./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa --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 97d4c6be733483d74e70aacf7c001bc7f4ca03733e33a8c0b4370e9380a7e003 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:47:35,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:47:35,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:47:35,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:47:35,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:47:35,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:47:35,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:47:35,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:47:35,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:47:35,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:47:35,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:47:35,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:47:35,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:47:35,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:47:35,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:47:35,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:47:35,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:47:35,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:47:35,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:47:35,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:47:35,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:47:35,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:47:35,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:47:35,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:47:35,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:47:35,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:47:35,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:47:35,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:47:35,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:47:35,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:47:35,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:47:35,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:47:35,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:47:35,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:47:35,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:47:35,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:47:35,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:47:35,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:47:35,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:47:35,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:47:35,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:47:35,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 18:47:35,622 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:47:35,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:47:35,623 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:47:35,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:47:35,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:47:35,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:47:35,624 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:47:35,625 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 18:47:35,625 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 18:47:35,625 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 18:47:35,625 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 18:47:35,625 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 18:47:35,626 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 18:47:35,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:47:35,626 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:47:35,626 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 18:47:35,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:47:35,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:47:35,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:47:35,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 18:47:35,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 18:47:35,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 18:47:35,627 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:47:35,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:47:35,628 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 18:47:35,628 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:47:35,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 18:47:35,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:47:35,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:47:35,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:47:35,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:47:35,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:47:35,630 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 18:47:35,630 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_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97d4c6be733483d74e70aacf7c001bc7f4ca03733e33a8c0b4370e9380a7e003 [2021-12-06 18:47:35,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:47:35,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:47:35,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:47:35,826 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:47:35,827 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:47:35,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/email_spec11_product35.cil.c [2021-12-06 18:47:35,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/data/02aae648f/545844c92d1249b5bbbe2d542de950b1/FLAGa9abed1a3 [2021-12-06 18:47:36,335 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:47:36,336 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/sv-benchmarks/c/product-lines/email_spec11_product35.cil.c [2021-12-06 18:47:36,356 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/data/02aae648f/545844c92d1249b5bbbe2d542de950b1/FLAGa9abed1a3 [2021-12-06 18:47:36,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/data/02aae648f/545844c92d1249b5bbbe2d542de950b1 [2021-12-06 18:47:36,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:47:36,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:47:36,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:47:36,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:47:36,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:47:36,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:47:36" (1/1) ... [2021-12-06 18:47:36,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f965c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:36, skipping insertion in model container [2021-12-06 18:47:36,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:47:36" (1/1) ... [2021-12-06 18:47:36,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:47:36,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:47:37,211 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_e840aa48-bc70-430e-90ae-dd5f62c50911/sv-benchmarks/c/product-lines/email_spec11_product35.cil.c[61136,61149] [2021-12-06 18:47:37,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:47:37,236 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:47:37,314 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_e840aa48-bc70-430e-90ae-dd5f62c50911/sv-benchmarks/c/product-lines/email_spec11_product35.cil.c[61136,61149] [2021-12-06 18:47:37,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:47:37,349 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:47:37,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:37 WrapperNode [2021-12-06 18:47:37,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:47:37,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:47:37,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:47:37,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:47:37,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:37" (1/1) ... [2021-12-06 18:47:37,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:37" (1/1) ... [2021-12-06 18:47:37,486 INFO L137 Inliner]: procedures = 137, calls = 246, calls flagged for inlining = 151, calls inlined = 468, statements flattened = 6964 [2021-12-06 18:47:37,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:47:37,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:47:37,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:47:37,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:47:37,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:37" (1/1) ... [2021-12-06 18:47:37,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:37" (1/1) ... [2021-12-06 18:47:37,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:37" (1/1) ... [2021-12-06 18:47:37,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:37" (1/1) ... [2021-12-06 18:47:37,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:37" (1/1) ... [2021-12-06 18:47:37,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:37" (1/1) ... [2021-12-06 18:47:37,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:37" (1/1) ... [2021-12-06 18:47:37,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:47:37,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:47:37,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:47:37,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:47:37,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:37" (1/1) ... [2021-12-06 18:47:37,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:37,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:37,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:37,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 18:47:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-06 18:47:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:47:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:47:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:47:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:47:37,891 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:47:37,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:47:39,314 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:47:39,337 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:47:39,338 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 18:47:39,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:47:39 BoogieIcfgContainer [2021-12-06 18:47:39,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:47:39,342 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 18:47:39,342 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 18:47:39,344 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 18:47:39,345 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:47:39,345 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 06:47:36" (1/3) ... [2021-12-06 18:47:39,345 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36d71ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:47:39, skipping insertion in model container [2021-12-06 18:47:39,346 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:47:39,346 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:37" (2/3) ... [2021-12-06 18:47:39,346 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36d71ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:47:39, skipping insertion in model container [2021-12-06 18:47:39,346 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:47:39,346 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:47:39" (3/3) ... [2021-12-06 18:47:39,347 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec11_product35.cil.c [2021-12-06 18:47:39,389 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 18:47:39,390 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 18:47:39,390 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 18:47:39,390 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 18:47:39,390 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 18:47:39,390 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 18:47:39,390 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 18:47:39,390 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 18:47:39,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1439 states, 1438 states have (on average 1.655076495132128) internal successors, (2380), 1438 states have internal predecessors, (2380), 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) [2021-12-06 18:47:39,484 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 271 [2021-12-06 18:47:39,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:47:39,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:47:39,492 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] [2021-12-06 18:47:39,492 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:47:39,492 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 18:47:39,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1439 states, 1438 states have (on average 1.655076495132128) internal successors, (2380), 1438 states have internal predecessors, (2380), 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) [2021-12-06 18:47:39,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 271 [2021-12-06 18:47:39,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:47:39,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:47:39,510 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] [2021-12-06 18:47:39,510 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:47:39,514 INFO L791 eck$LassoCheckResult]: Stem: 741#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(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(20, 4);call #Ultimate.allocInit(30, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(21, 7);call #Ultimate.allocInit(30, 8);call #Ultimate.allocInit(9, 9);call #Ultimate.allocInit(21, 10);call #Ultimate.allocInit(30, 11);call #Ultimate.allocInit(9, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(30, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(25, 16);call #Ultimate.allocInit(4, 17);call write~init~int(37, 17, 0, 1);call write~init~int(115, 17, 1, 1);call write~init~int(10, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(10, 18);call #Ultimate.allocInit(12, 19);call #Ultimate.allocInit(10, 20);call #Ultimate.allocInit(18, 21);call #Ultimate.allocInit(16, 22);call #Ultimate.allocInit(21, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(16, 25);call #Ultimate.allocInit(25, 26);call #Ultimate.allocInit(10, 27);call #Ultimate.allocInit(34, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(16, 30);call #Ultimate.allocInit(20, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(21, 33);call #Ultimate.allocInit(44, 34);call #Ultimate.allocInit(44, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(9, 37);call #Ultimate.allocInit(11, 38);call #Ultimate.allocInit(19, 39);call #Ultimate.allocInit(4, 40);call write~init~int(37, 40, 0, 1);call write~init~int(100, 40, 1, 1);call write~init~int(10, 40, 2, 1);call write~init~int(0, 40, 3, 1);call #Ultimate.allocInit(4, 41);call write~init~int(37, 41, 0, 1);call write~init~int(100, 41, 1, 1);call write~init~int(10, 41, 2, 1);call write~init~int(0, 41, 3, 1);~__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;~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 1314#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret103#1, main_~retValue_acc~43#1, main_~tmp~25#1;havoc main_~retValue_acc~43#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 1076#L2801true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1113#L2794true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~42#1;havoc valid_product_~retValue_acc~42#1;valid_product_~retValue_acc~42#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~42#1; 475#L2809true main_#t~ret103#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret103#1;havoc main_#t~ret103#1; 1214#L2955true assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet100#1, setup_#t~nondet101#1, setup_#t~nondet102#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#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; 175#L1524true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 317#L1530-2true assume { :end_inline_setClientId } true; 322#L2832true 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; 367#L1089true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 314#L1095-2true assume { :end_inline_setClientPrivateKey } true; 1316#L2843true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 36, 0;havoc setup_#t~nondet100#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; 402#L1524-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 1067#L1530-5true assume { :end_inline_setClientId } true; 774#L2853true 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; 32#L1089-2true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 947#L1095-5true assume { :end_inline_setClientPrivateKey } true; 1412#L2864true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 37, 0;havoc setup_#t~nondet101#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; 668#L1524-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 134#L1530-8true assume { :end_inline_setClientId } true; 714#L2874true 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; 500#L1089-4true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 173#L1095-8true assume { :end_inline_setClientPrivateKey } true; 266#L2885true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset := 38, 0;havoc setup_#t~nondet102#1; 324#L2942true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#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___0~0#1, test_~tmp___1~0#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___0~0#1;havoc test_~tmp___1~0#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; 1411#L2142-1true [2021-12-06 18:47:39,515 INFO L793 eck$LassoCheckResult]: Loop: 1411#L2142-1true assume !false; 1070#L1991true assume test_~splverifierCounter~0#1 < 4; 878#L1992true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 1033#L1998true assume !(0 == test_~op1~0#1); 1078#L2011true assume 0 == test_~op2~0#1;test_~tmp___8~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 1255#L2016true 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; 778#L1042true assume 1 == setClientAutoResponse_~handle#1;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value#1; 909#L1048-2true assume { :end_inline_setClientAutoResponse } true; 206#L3085true assume { :end_inline_rjhSetAutoRespond } true;test_~op2~0#1 := 1; 1411#L2142-1true [2021-12-06 18:47:39,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:47:39,519 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2021-12-06 18:47:39,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:47:39,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539689601] [2021-12-06 18:47:39,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:47:39,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:47:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:47:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:47:39,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:47:39,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539689601] [2021-12-06 18:47:39,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539689601] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:47:39,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:47:39,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:47:39,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825409904] [2021-12-06 18:47:39,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:47:39,725 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:47:39,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:47:39,726 INFO L85 PathProgramCache]: Analyzing trace with hash 853771930, now seen corresponding path program 1 times [2021-12-06 18:47:39,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:47:39,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038210282] [2021-12-06 18:47:39,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:47:39,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:47:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:47:39,736 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:47:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:47:39,761 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:47:39,844 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:47:39,844 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:47:39,844 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:47:39,845 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:47:39,845 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 18:47:39,845 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:39,845 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:47:39,845 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:47:39,845 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product35.cil.c_Iteration1_Loop [2021-12-06 18:47:39,845 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:47:39,846 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:47:39,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:39,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:39,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:39,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:39,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:39,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:39,958 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:47:39,959 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 18:47:39,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:39,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:39,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:39,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 18:47:39,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:47:39,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:39,983 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:47:39,983 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet32#1=7, ULTIMATE.start_test_~tmp___8~0#1=7} Honda state: {ULTIMATE.start_test_#t~nondet32#1=7, ULTIMATE.start_test_~tmp___8~0#1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:47:40,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:47:40,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:40,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:40,005 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:40,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 18:47:40,006 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:47:40,006 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:40,024 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:47:40,024 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:47:40,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 18:47:40,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:40,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:40,046 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:40,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 18:47:40,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:47:40,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:40,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 18:47:40,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:40,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:40,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:40,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 18:47:40,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 18:47:40,077 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:40,087 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 18:47:40,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 18:47:40,106 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:47:40,106 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:47:40,106 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:47:40,106 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:47:40,107 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:47:40,107 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:40,107 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:47:40,107 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:47:40,107 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product35.cil.c_Iteration1_Loop [2021-12-06 18:47:40,107 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:47:40,107 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:47:40,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:40,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:40,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:40,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:40,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:40,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:40,204 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:47:40,208 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:47:40,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:40,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:40,210 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:40,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 18:47:40,212 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 [2021-12-06 18:47:40,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:47:40,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:47:40,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:47:40,220 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 18:47:40,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:47:40,223 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 18:47:40,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:47:40,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:47:40,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 18:47:40,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:40,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:40,247 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:40,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 18:47:40,248 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 [2021-12-06 18:47:40,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:47:40,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:47:40,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:47:40,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:47:40,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:47:40,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:47:40,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:47:40,259 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:47:40,262 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 18:47:40,262 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 18:47:40,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:40,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:40,265 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:40,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 18:47:40,301 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:47:40,301 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 18:47:40,301 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:47:40,302 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 [] [2021-12-06 18:47:40,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 18:47:40,323 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 18:47:40,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:47:40,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 18:47:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:47:40,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 18:47:40,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:47:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:47:40,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:47:40,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:47:40,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:47:40,539 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 [2021-12-06 18:47:40,543 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 1439 states, 1438 states have (on average 1.655076495132128) internal successors, (2380), 1438 states have internal predecessors, (2380), 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) [2021-12-06 18:47:40,880 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 1439 states, 1438 states have (on average 1.655076495132128) internal successors, (2380), 1438 states have internal predecessors, (2380), 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 6747 states and 11135 transitions. Complement of second has 7 states. [2021-12-06 18:47:40,882 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 [2021-12-06 18:47:40,886 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) [2021-12-06 18:47:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6519 transitions. [2021-12-06 18:47:40,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6519 transitions. Stem has 25 letters. Loop has 9 letters. [2021-12-06 18:47:40,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:47:40,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6519 transitions. Stem has 34 letters. Loop has 9 letters. [2021-12-06 18:47:40,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:47:40,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6519 transitions. Stem has 25 letters. Loop has 18 letters. [2021-12-06 18:47:40,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:47:40,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6747 states and 11135 transitions. [2021-12-06 18:47:40,950 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 531 [2021-12-06 18:47:40,962 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6747 states to 1107 states and 1983 transitions. [2021-12-06 18:47:40,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 569 [2021-12-06 18:47:40,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 570 [2021-12-06 18:47:40,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1107 states and 1983 transitions. [2021-12-06 18:47:40,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:47:40,970 INFO L681 BuchiCegarLoop]: Abstraction has 1107 states and 1983 transitions. [2021-12-06 18:47:40,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states and 1983 transitions. [2021-12-06 18:47:41,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 576. [2021-12-06 18:47:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 576 states have (on average 1.78125) internal successors, (1026), 575 states have internal predecessors, (1026), 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) [2021-12-06 18:47:41,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 1026 transitions. [2021-12-06 18:47:41,035 INFO L704 BuchiCegarLoop]: Abstraction has 576 states and 1026 transitions. [2021-12-06 18:47:41,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:47:41,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:47:41,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:47:41,038 INFO L87 Difference]: Start difference. First operand 576 states and 1026 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) [2021-12-06 18:47:41,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:47:41,073 INFO L93 Difference]: Finished difference Result 1129 states and 2014 transitions. [2021-12-06 18:47:41,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:47:41,074 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1129 states and 2014 transitions. [2021-12-06 18:47:41,081 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 532 [2021-12-06 18:47:41,089 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1129 states to 1129 states and 2014 transitions. [2021-12-06 18:47:41,089 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 585 [2021-12-06 18:47:41,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 585 [2021-12-06 18:47:41,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1129 states and 2014 transitions. [2021-12-06 18:47:41,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:47:41,090 INFO L681 BuchiCegarLoop]: Abstraction has 1129 states and 2014 transitions. [2021-12-06 18:47:41,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states and 2014 transitions. [2021-12-06 18:47:41,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 575. [2021-12-06 18:47:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 575 states have (on average 1.777391304347826) internal successors, (1022), 574 states have internal predecessors, (1022), 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) [2021-12-06 18:47:41,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1022 transitions. [2021-12-06 18:47:41,102 INFO L704 BuchiCegarLoop]: Abstraction has 575 states and 1022 transitions. [2021-12-06 18:47:41,102 INFO L587 BuchiCegarLoop]: Abstraction has 575 states and 1022 transitions. [2021-12-06 18:47:41,102 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 18:47:41,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 575 states and 1022 transitions. [2021-12-06 18:47:41,103 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 266 [2021-12-06 18:47:41,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:47:41,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:47:41,105 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] [2021-12-06 18:47:41,105 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:47:41,105 INFO L791 eck$LassoCheckResult]: Stem: 10584#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(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(20, 4);call #Ultimate.allocInit(30, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(21, 7);call #Ultimate.allocInit(30, 8);call #Ultimate.allocInit(9, 9);call #Ultimate.allocInit(21, 10);call #Ultimate.allocInit(30, 11);call #Ultimate.allocInit(9, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(30, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(25, 16);call #Ultimate.allocInit(4, 17);call write~init~int(37, 17, 0, 1);call write~init~int(115, 17, 1, 1);call write~init~int(10, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(10, 18);call #Ultimate.allocInit(12, 19);call #Ultimate.allocInit(10, 20);call #Ultimate.allocInit(18, 21);call #Ultimate.allocInit(16, 22);call #Ultimate.allocInit(21, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(16, 25);call #Ultimate.allocInit(25, 26);call #Ultimate.allocInit(10, 27);call #Ultimate.allocInit(34, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(16, 30);call #Ultimate.allocInit(20, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(21, 33);call #Ultimate.allocInit(44, 34);call #Ultimate.allocInit(44, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(9, 37);call #Ultimate.allocInit(11, 38);call #Ultimate.allocInit(19, 39);call #Ultimate.allocInit(4, 40);call write~init~int(37, 40, 0, 1);call write~init~int(100, 40, 1, 1);call write~init~int(10, 40, 2, 1);call write~init~int(0, 40, 3, 1);call #Ultimate.allocInit(4, 41);call write~init~int(37, 41, 0, 1);call write~init~int(100, 41, 1, 1);call write~init~int(10, 41, 2, 1);call write~init~int(0, 41, 3, 1);~__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;~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 10515#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret103#1, main_~retValue_acc~43#1, main_~tmp~25#1;havoc main_~retValue_acc~43#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 10516#L2801 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 10056#L2794 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~42#1;havoc valid_product_~retValue_acc~42#1;valid_product_~retValue_acc~42#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~42#1; 10057#L2809 main_#t~ret103#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret103#1;havoc main_#t~ret103#1; 10255#L2955 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet100#1, setup_#t~nondet101#1, setup_#t~nondet102#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#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; 10335#L1524 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 10332#L1530-2 assume { :end_inline_setClientId } true; 10572#L2832 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; 10576#L1089 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 10489#L1095-2 assume { :end_inline_setClientPrivateKey } true; 10517#L2843 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 36, 0;havoc setup_#t~nondet100#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; 10105#L1524-2 assume !(1 == setClientId_~handle#1); 10106#L1527-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 10573#L1530-5 assume { :end_inline_setClientId } true; 10090#L2853 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; 10091#L1089-2 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 10121#L1095-5 assume { :end_inline_setClientPrivateKey } true; 10470#L2864 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 37, 0;havoc setup_#t~nondet101#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; 10557#L1524-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 10372#L1530-8 assume { :end_inline_setClientId } true; 10373#L2874 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; 10308#L1089-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 10309#L1095-8 assume { :end_inline_setClientPrivateKey } true; 10450#L2885 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset := 38, 0;havoc setup_#t~nondet102#1; 10544#L2942 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#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___0~0#1, test_~tmp___1~0#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___0~0#1;havoc test_~tmp___1~0#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; 10577#L2142-1 assume !false; 10582#L1991 [2021-12-06 18:47:41,105 INFO L793 eck$LassoCheckResult]: Loop: 10582#L1991 assume test_~splverifierCounter~0#1 < 4; 10304#L1992 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 10305#L1998 assume !(0 == test_~op1~0#1); 10394#L2011 assume !(0 == test_~op2~0#1); 10420#L2025 assume 0 == test_~op3~0#1;test_~tmp___7~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 10422#L2030 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; 10568#L1089-6 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 10248#L1095-11 assume { :end_inline_setClientPrivateKey } true; 10179#L3055 assume { :end_inline_rjhDeletePrivateKey } true;test_~op3~0#1 := 1; 10136#L2142-1 assume !false; 10582#L1991 [2021-12-06 18:47:41,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:47:41,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1808936504, now seen corresponding path program 1 times [2021-12-06 18:47:41,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:47:41,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286082948] [2021-12-06 18:47:41,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:47:41,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:47:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:47:41,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:47:41,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:47:41,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286082948] [2021-12-06 18:47:41,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286082948] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:47:41,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:47:41,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:47:41,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112350677] [2021-12-06 18:47:41,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:47:41,172 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:47:41,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:47:41,172 INFO L85 PathProgramCache]: Analyzing trace with hash -88063911, now seen corresponding path program 1 times [2021-12-06 18:47:41,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:47:41,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770900181] [2021-12-06 18:47:41,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:47:41,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:47:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:47:41,178 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:47:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:47:41,186 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:47:41,244 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:47:41,244 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:47:41,244 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:47:41,244 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:47:41,244 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 18:47:41,244 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:41,244 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:47:41,244 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:47:41,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product35.cil.c_Iteration2_Loop [2021-12-06 18:47:41,245 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:47:41,245 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:47:41,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,330 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:47:41,330 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 18:47:41,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:41,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:41,331 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:41,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 18:47:41,332 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:47:41,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:41,349 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:47:41,350 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: [] [2021-12-06 18:47:41,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 18:47:41,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:41,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:41,382 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:41,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 18:47:41,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:47:41,384 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:41,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 18:47:41,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:41,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:41,411 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:41,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 18:47:41,412 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 18:47:41,412 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:41,421 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 18:47:41,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-06 18:47:41,440 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:47:41,440 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:47:41,440 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:47:41,440 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:47:41,440 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:47:41,441 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:41,441 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:47:41,441 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:47:41,441 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product35.cil.c_Iteration2_Loop [2021-12-06 18:47:41,441 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:47:41,441 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:47:41,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:41,538 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:47:41,538 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:47:41,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:41,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:41,539 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:41,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 18:47:41,540 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 [2021-12-06 18:47:41,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:47:41,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:47:41,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:47:41,547 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 18:47:41,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:47:41,548 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 18:47:41,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:47:41,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:47:41,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 18:47:41,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:41,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:41,569 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:41,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 18:47:41,570 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 [2021-12-06 18:47:41,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:47:41,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:47:41,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:47:41,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:47:41,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:47:41,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:47:41,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:47:41,580 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:47:41,582 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 18:47:41,582 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 18:47:41,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:41,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:41,583 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:41,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 18:47:41,585 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:47:41,585 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 18:47:41,585 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:47:41,585 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 [] [2021-12-06 18:47:41,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 18:47:41,603 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 18:47:41,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:47:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:47:41,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 18:47:41,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:47:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:47:41,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:47:41,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:47:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:47:41,759 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 [2021-12-06 18:47:41,759 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 575 states and 1022 transitions. cyclomatic complexity: 449 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) [2021-12-06 18:47:41,830 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 575 states and 1022 transitions. cyclomatic complexity: 449. 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 2173 states and 3899 transitions. Complement of second has 6 states. [2021-12-06 18:47:41,831 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 [2021-12-06 18:47:41,831 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) [2021-12-06 18:47:41,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1020 transitions. [2021-12-06 18:47:41,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1020 transitions. Stem has 27 letters. Loop has 10 letters. [2021-12-06 18:47:41,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:47:41,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1020 transitions. Stem has 37 letters. Loop has 10 letters. [2021-12-06 18:47:41,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:47:41,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1020 transitions. Stem has 27 letters. Loop has 20 letters. [2021-12-06 18:47:41,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:47:41,843 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2173 states and 3899 transitions. [2021-12-06 18:47:41,856 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 521 [2021-12-06 18:47:41,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 18:47:41,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2173 states to 2163 states and 3883 transitions. [2021-12-06 18:47:41,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 561 [2021-12-06 18:47:41,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 563 [2021-12-06 18:47:41,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2163 states and 3883 transitions. [2021-12-06 18:47:41,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:47:41,875 INFO L681 BuchiCegarLoop]: Abstraction has 2163 states and 3883 transitions. [2021-12-06 18:47:41,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2163 states and 3883 transitions. [2021-12-06 18:47:41,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2163 to 1108. [2021-12-06 18:47:41,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1108 states have (on average 1.788808664259928) internal successors, (1982), 1107 states have internal predecessors, (1982), 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) [2021-12-06 18:47:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1982 transitions. [2021-12-06 18:47:41,902 INFO L704 BuchiCegarLoop]: Abstraction has 1108 states and 1982 transitions. [2021-12-06 18:47:41,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:47:41,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:47:41,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:47:41,903 INFO L87 Difference]: Start difference. First operand 1108 states and 1982 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) [2021-12-06 18:47:42,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:47:42,009 INFO L93 Difference]: Finished difference Result 2159 states and 3861 transitions. [2021-12-06 18:47:42,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:47:42,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2159 states and 3861 transitions. [2021-12-06 18:47:42,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 516 [2021-12-06 18:47:42,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2159 states to 2159 states and 3861 transitions. [2021-12-06 18:47:42,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 567 [2021-12-06 18:47:42,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 567 [2021-12-06 18:47:42,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2159 states and 3861 transitions. [2021-12-06 18:47:42,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:47:42,045 INFO L681 BuchiCegarLoop]: Abstraction has 2159 states and 3861 transitions. [2021-12-06 18:47:42,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2159 states and 3861 transitions. [2021-12-06 18:47:42,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2159 to 1108. [2021-12-06 18:47:42,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1108 states have (on average 1.7879061371841156) internal successors, (1981), 1107 states have internal predecessors, (1981), 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) [2021-12-06 18:47:42,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1981 transitions. [2021-12-06 18:47:42,072 INFO L704 BuchiCegarLoop]: Abstraction has 1108 states and 1981 transitions. [2021-12-06 18:47:42,072 INFO L587 BuchiCegarLoop]: Abstraction has 1108 states and 1981 transitions. [2021-12-06 18:47:42,072 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 18:47:42,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1108 states and 1981 transitions. [2021-12-06 18:47:42,076 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 261 [2021-12-06 18:47:42,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:47:42,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:47:42,078 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] [2021-12-06 18:47:42,078 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:47:42,078 INFO L791 eck$LassoCheckResult]: Stem: 16776#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(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(20, 4);call #Ultimate.allocInit(30, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(21, 7);call #Ultimate.allocInit(30, 8);call #Ultimate.allocInit(9, 9);call #Ultimate.allocInit(21, 10);call #Ultimate.allocInit(30, 11);call #Ultimate.allocInit(9, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(30, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(25, 16);call #Ultimate.allocInit(4, 17);call write~init~int(37, 17, 0, 1);call write~init~int(115, 17, 1, 1);call write~init~int(10, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(10, 18);call #Ultimate.allocInit(12, 19);call #Ultimate.allocInit(10, 20);call #Ultimate.allocInit(18, 21);call #Ultimate.allocInit(16, 22);call #Ultimate.allocInit(21, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(16, 25);call #Ultimate.allocInit(25, 26);call #Ultimate.allocInit(10, 27);call #Ultimate.allocInit(34, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(16, 30);call #Ultimate.allocInit(20, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(21, 33);call #Ultimate.allocInit(44, 34);call #Ultimate.allocInit(44, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(9, 37);call #Ultimate.allocInit(11, 38);call #Ultimate.allocInit(19, 39);call #Ultimate.allocInit(4, 40);call write~init~int(37, 40, 0, 1);call write~init~int(100, 40, 1, 1);call write~init~int(10, 40, 2, 1);call write~init~int(0, 40, 3, 1);call #Ultimate.allocInit(4, 41);call write~init~int(37, 41, 0, 1);call write~init~int(100, 41, 1, 1);call write~init~int(10, 41, 2, 1);call write~init~int(0, 41, 3, 1);~__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;~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 16691#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret103#1, main_~retValue_acc~43#1, main_~tmp~25#1;havoc main_~retValue_acc~43#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 16692#L2801 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 16214#L2794 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~42#1;havoc valid_product_~retValue_acc~42#1;valid_product_~retValue_acc~42#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~42#1; 16215#L2809 main_#t~ret103#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret103#1;havoc main_#t~ret103#1; 16416#L2955 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet100#1, setup_#t~nondet101#1, setup_#t~nondet102#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#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; 16498#L1524 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 16495#L1530-2 assume { :end_inline_setClientId } true; 16759#L2832 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; 16765#L1089 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 16663#L1095-2 assume { :end_inline_setClientPrivateKey } true; 16693#L2843 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 36, 0;havoc setup_#t~nondet100#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; 16263#L1524-2 assume !(1 == setClientId_~handle#1); 16264#L1527-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 16760#L1530-5 assume { :end_inline_setClientId } true; 16248#L2853 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; 16249#L1089-2 assume !(1 == setClientPrivateKey_~handle#1); 16279#L1092-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 16643#L1095-5 assume { :end_inline_setClientPrivateKey } true; 16644#L2864 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 37, 0;havoc setup_#t~nondet101#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; 16738#L1524-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 16538#L1530-8 assume { :end_inline_setClientId } true; 16539#L2874 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; 16470#L1089-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 16471#L1095-8 assume { :end_inline_setClientPrivateKey } true; 16621#L2885 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset := 38, 0;havoc setup_#t~nondet102#1; 16722#L2942 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#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___0~0#1, test_~tmp___1~0#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___0~0#1;havoc test_~tmp___1~0#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; 16766#L2142-1 assume !false; 16817#L1991 assume test_~splverifierCounter~0#1 < 4; 16466#L1992 [2021-12-06 18:47:42,079 INFO L793 eck$LassoCheckResult]: Loop: 16466#L1992 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 16467#L1998 assume !(0 == test_~op1~0#1); 16561#L2011 assume !(0 == test_~op2~0#1); 16589#L2025 assume !(0 == test_~op3~0#1); 16590#L2039 assume !(0 == test_~op4~0#1); 16653#L2053 assume !(0 == test_~op5~0#1); 16549#L2067 assume 0 == test_~op6~0#1;test_~tmp___4~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 16658#L2072 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; 16713#L1477 assume 1 == setClientForwardReceiver_~handle#1;~__ste_client_forwardReceiver0~0 := setClientForwardReceiver_~value#1; 16490#L1483-2 assume { :end_inline_setClientForwardReceiver } true; 16491#L3108 assume { :end_inline_rjhEnableForwarding } true;test_~op6~0#1 := 1; 16293#L2142-1 assume !false; 16774#L1991 assume test_~splverifierCounter~0#1 < 4; 16466#L1992 [2021-12-06 18:47:42,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:47:42,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1857881969, now seen corresponding path program 1 times [2021-12-06 18:47:42,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:47:42,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168785072] [2021-12-06 18:47:42,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:47:42,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:47:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:47:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:47:42,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:47:42,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168785072] [2021-12-06 18:47:42,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168785072] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:47:42,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:47:42,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:47:42,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797434134] [2021-12-06 18:47:42,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:47:42,118 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:47:42,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:47:42,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1605638688, now seen corresponding path program 1 times [2021-12-06 18:47:42,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:47:42,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318149935] [2021-12-06 18:47:42,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:47:42,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:47:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:47:42,123 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:47:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:47:42,131 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:47:42,219 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:47:42,219 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:47:42,219 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:47:42,219 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:47:42,219 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 18:47:42,219 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,219 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:47:42,219 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:47:42,219 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product35.cil.c_Iteration3_Loop [2021-12-06 18:47:42,219 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:47:42,219 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:47:42,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,320 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:47:42,320 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 18:47:42,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,321 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 18:47:42,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:47:42,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:42,336 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:47:42,336 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___4~0#1=-8, ULTIMATE.start_test_#t~nondet36#1=-8} Honda state: {ULTIMATE.start_test_~tmp___4~0#1=-8, ULTIMATE.start_test_#t~nondet36#1=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:47:42,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 18:47:42,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,361 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 18:47:42,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:47:42,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:42,374 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:47:42,374 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: [] [2021-12-06 18:47:42,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 18:47:42,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,393 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 18:47:42,394 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:47:42,394 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:42,406 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:47:42,407 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: [] [2021-12-06 18:47:42,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 18:47:42,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,425 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 18:47:42,427 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:47:42,427 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:42,440 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:47:42,440 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: [] [2021-12-06 18:47:42,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 18:47:42,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,460 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 18:47:42,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:47:42,461 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:42,474 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:47:42,474 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: [] [2021-12-06 18:47:42,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-06 18:47:42,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,495 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 18:47:42,496 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:47:42,496 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:42,511 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:47:42,511 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: [] [2021-12-06 18:47:42,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 18:47:42,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,532 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 18:47:42,533 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:47:42,533 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:42,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 18:47:42,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,559 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 18:47:42,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 18:47:42,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:47:42,638 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 18:47:42,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 18:47:42,640 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:47:42,640 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:47:42,640 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:47:42,640 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:47:42,640 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:47:42,640 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,640 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:47:42,641 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:47:42,641 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product35.cil.c_Iteration3_Loop [2021-12-06 18:47:42,641 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:47:42,641 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:47:42,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:47:42,740 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:47:42,741 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:47:42,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,741 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 18:47:42,742 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 [2021-12-06 18:47:42,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:47:42,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:47:42,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:47:42,751 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 18:47:42,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:47:42,752 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 18:47:42,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:47:42,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:47:42,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 18:47:42,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,784 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 18:47:42,785 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 [2021-12-06 18:47:42,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:47:42,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:47:42,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:47:42,792 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 18:47:42,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:47:42,793 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 18:47:42,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:47:42,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:47:42,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 18:47:42,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,814 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 18:47:42,815 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 [2021-12-06 18:47:42,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:47:42,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:47:42,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:47:42,823 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 18:47:42,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:47:42,824 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 18:47:42,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:47:42,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:47:42,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 18:47:42,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,844 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 18:47:42,844 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 [2021-12-06 18:47:42,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:47:42,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:47:42,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:47:42,851 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 18:47:42,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:47:42,852 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 18:47:42,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:47:42,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:47:42,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-06 18:47:42,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,873 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 18:47:42,874 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 [2021-12-06 18:47:42,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:47:42,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:47:42,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:47:42,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:47:42,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:47:42,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:47:42,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:47:42,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:47:42,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 18:47:42,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,903 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 18:47:42,904 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 [2021-12-06 18:47:42,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:47:42,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:47:42,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:47:42,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:47:42,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:47:42,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:47:42,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:47:42,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:47:42,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-06 18:47:42,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,938 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 18:47:42,939 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 [2021-12-06 18:47:42,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:47:42,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:47:42,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:47:42,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:47:42,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:47:42,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:47:42,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:47:42,949 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:47:42,951 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 18:47:42,951 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 18:47:42,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:47:42,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:47:42,952 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:47:42,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 18:47:42,953 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:47:42,953 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 18:47:42,953 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:47:42,953 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 5 Supporting invariants [] [2021-12-06 18:47:42,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 18:47:42,971 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 18:47:42,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:47:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:47:43,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 18:47:43,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:47:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:47:43,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:47:43,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:47:43,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:47:43,098 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 [2021-12-06 18:47:43,098 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1108 states and 1981 transitions. cyclomatic complexity: 877 Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2021-12-06 18:47:43,132 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1108 states and 1981 transitions. cyclomatic complexity: 877. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 2443 states and 4388 transitions. Complement of second has 4 states. [2021-12-06 18:47:43,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:47:43,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2021-12-06 18:47:43,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2021-12-06 18:47:43,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 540 transitions. Stem has 29 letters. Loop has 13 letters. [2021-12-06 18:47:43,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:47:43,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 540 transitions. Stem has 42 letters. Loop has 13 letters. [2021-12-06 18:47:43,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:47:43,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 540 transitions. Stem has 29 letters. Loop has 26 letters. [2021-12-06 18:47:43,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:47:43,134 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2443 states and 4388 transitions. [2021-12-06 18:47:43,142 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 18:47:43,142 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2443 states to 0 states and 0 transitions. [2021-12-06 18:47:43,143 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 18:47:43,143 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 18:47:43,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 18:47:43,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:47:43,143 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:47:43,143 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:47:43,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:47:43,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:47:43,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:47:43,143 INFO L87 Difference]: Start difference. First operand 0 states and 0 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) [2021-12-06 18:47:43,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:47:43,144 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-06 18:47:43,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 18:47:43,144 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-06 18:47:43,144 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 18:47:43,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 18:47:43,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 18:47:43,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 18:47:43,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 18:47:43,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:47:43,145 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:47:43,145 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:47:43,145 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:47:43,145 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 18:47:43,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 18:47:43,145 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 18:47:43,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 18:47:43,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 06:47:43 BoogieIcfgContainer [2021-12-06 18:47:43,150 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 18:47:43,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:47:43,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:47:43,150 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:47:43,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:47:39" (3/4) ... [2021-12-06 18:47:43,153 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 18:47:43,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:47:43,153 INFO L158 Benchmark]: Toolchain (without parser) took 6296.43ms. Allocated memory was 96.5MB in the beginning and 222.3MB in the end (delta: 125.8MB). Free memory was 75.7MB in the beginning and 71.7MB in the end (delta: 4.0MB). Peak memory consumption was 127.8MB. Max. memory is 16.1GB. [2021-12-06 18:47:43,154 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 73.4MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:47:43,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.87ms. Allocated memory is still 96.5MB. Free memory was 75.5MB in the beginning and 64.9MB in the end (delta: 10.6MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2021-12-06 18:47:43,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.91ms. Allocated memory is still 96.5MB. Free memory was 64.5MB in the beginning and 41.8MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-06 18:47:43,155 INFO L158 Benchmark]: Boogie Preprocessor took 146.68ms. Allocated memory is still 96.5MB. Free memory was 41.8MB in the beginning and 55.8MB in the end (delta: -13.9MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2021-12-06 18:47:43,155 INFO L158 Benchmark]: RCFGBuilder took 1706.81ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 55.8MB in the beginning and 85.9MB in the end (delta: -30.1MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2021-12-06 18:47:43,156 INFO L158 Benchmark]: BuchiAutomizer took 3808.24ms. Allocated memory was 142.6MB in the beginning and 222.3MB in the end (delta: 79.7MB). Free memory was 85.9MB in the beginning and 71.7MB in the end (delta: 14.2MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. [2021-12-06 18:47:43,156 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 222.3MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:47:43,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 73.4MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.87ms. Allocated memory is still 96.5MB. Free memory was 75.5MB in the beginning and 64.9MB in the end (delta: 10.6MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.91ms. Allocated memory is still 96.5MB. Free memory was 64.5MB in the beginning and 41.8MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.68ms. Allocated memory is still 96.5MB. Free memory was 41.8MB in the beginning and 55.8MB in the end (delta: -13.9MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1706.81ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 55.8MB in the beginning and 85.9MB in the end (delta: -30.1MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 3808.24ms. Allocated memory was 142.6MB in the beginning and 222.3MB in the end (delta: 79.7MB). Free memory was 85.9MB in the beginning and 71.7MB in the end (delta: 14.2MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 222.3MB. Free memory is still 71.7MB. 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 6 terminating modules (3 trivial, 3 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 -2 * splverifierCounter + 5 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3191 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 1108 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7790 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7787 mSDsluCounter, 19059 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10810 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 8249 mSDtfsCounter, 119 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital51 mio100 ax100 hnf100 lsp21 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf119 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 18:47:43,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 18:47:43,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e840aa48-bc70-430e-90ae-dd5f62c50911/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE