./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be --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 922981a69371fe79bea26dd37077d7dd588a5af1cfad53b27080b4988960097d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:33:17,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:33:17,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:33:17,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:33:17,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:33:17,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:33:17,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:33:17,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:33:17,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:33:17,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:33:17,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:33:17,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:33:17,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:33:17,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:33:17,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:33:17,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:33:17,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:33:17,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:33:17,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:33:17,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:33:17,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:33:17,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:33:17,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:33:17,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:33:17,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:33:17,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:33:17,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:33:17,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:33:17,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:33:17,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:33:17,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:33:17,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:33:17,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:33:17,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:33:17,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:33:17,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:33:17,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:33:17,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:33:17,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:33:17,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:33:17,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:33:17,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:33:17,981 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:33:17,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:33:17,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:33:17,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:33:17,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:33:17,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:33:17,984 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:33:17,985 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:33:17,985 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:33:17,985 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:33:17,986 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:33:17,987 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:33:17,987 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:33:17,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:33:17,987 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:33:17,987 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:33:17,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:33:17,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:33:17,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:33:17,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:33:17,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:33:17,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:33:17,989 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:33:17,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:33:17,989 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:33:17,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:33:17,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:33:17,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:33:17,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:33:17,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:33:17,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:33:17,992 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:33:17,994 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:33:17,994 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_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 922981a69371fe79bea26dd37077d7dd588a5af1cfad53b27080b4988960097d [2021-10-21 19:33:18,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:33:18,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:33:18,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:33:18,318 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:33:18,320 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:33:18,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/email_spec4_product17.cil.c [2021-10-21 19:33:18,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/data/a52944cb6/9bcc470181374080a631693accc79e28/FLAGe137bde0d [2021-10-21 19:33:19,151 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:33:19,152 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/sv-benchmarks/c/product-lines/email_spec4_product17.cil.c [2021-10-21 19:33:19,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/data/a52944cb6/9bcc470181374080a631693accc79e28/FLAGe137bde0d [2021-10-21 19:33:19,343 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/data/a52944cb6/9bcc470181374080a631693accc79e28 [2021-10-21 19:33:19,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:33:19,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:33:19,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:33:19,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:33:19,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:33:19,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:33:19" (1/1) ... [2021-10-21 19:33:19,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3acc7359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:33:19, skipping insertion in model container [2021-10-21 19:33:19,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:33:19" (1/1) ... [2021-10-21 19:33:19,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:33:19,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:33:20,036 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/sv-benchmarks/c/product-lines/email_spec4_product17.cil.c[45969,45982] [2021-10-21 19:33:20,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:33:20,126 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:33:20,196 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/sv-benchmarks/c/product-lines/email_spec4_product17.cil.c[45969,45982] [2021-10-21 19:33:20,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:33:20,254 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:33:20,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:33:20 WrapperNode [2021-10-21 19:33:20,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:33:20,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:33:20,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:33:20,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:33:20,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:33:20" (1/1) ... [2021-10-21 19:33:20,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:33:20" (1/1) ... [2021-10-21 19:33:20,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:33:20,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:33:20,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:33:20,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:33:20,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:33:20" (1/1) ... [2021-10-21 19:33:20,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:33:20" (1/1) ... [2021-10-21 19:33:20,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:33:20" (1/1) ... [2021-10-21 19:33:20,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:33:20" (1/1) ... [2021-10-21 19:33:20,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:33:20" (1/1) ... [2021-10-21 19:33:20,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:33:20" (1/1) ... [2021-10-21 19:33:20,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:33:20" (1/1) ... [2021-10-21 19:33:20,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:33:20,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:33:20,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:33:20,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:33:20,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:33:20" (1/1) ... [2021-10-21 19:33:20,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:20,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:33:20,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:33:20,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:33:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-21 19:33:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:33:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:33:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:33:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:33:22,988 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:33:22,988 INFO L299 CfgBuilder]: Removed 437 assume(true) statements. [2021-10-21 19:33:22,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:33:22 BoogieIcfgContainer [2021-10-21 19:33:22,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:33:22,995 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:33:22,996 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:33:22,999 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:33:23,000 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:33:23,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:33:19" (1/3) ... [2021-10-21 19:33:23,002 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19dce81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:33:23, skipping insertion in model container [2021-10-21 19:33:23,002 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:33:23,002 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:33:20" (2/3) ... [2021-10-21 19:33:23,003 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19dce81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:33:23, skipping insertion in model container [2021-10-21 19:33:23,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:33:23,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:33:22" (3/3) ... [2021-10-21 19:33:23,005 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec4_product17.cil.c [2021-10-21 19:33:23,058 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:33:23,059 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:33:23,059 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:33:23,059 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:33:23,059 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:33:23,059 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:33:23,059 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:33:23,060 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:33:23,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 716 states, 715 states have (on average 1.7636363636363637) internal successors, (1261), 715 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:33:23,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-10-21 19:33:23,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:33:23,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:33:23,194 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:33:23,194 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:33:23,194 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:33:23,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 716 states, 715 states have (on average 1.7636363636363637) internal successors, (1261), 715 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:33:23,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-10-21 19:33:23,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:33:23,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:33:23,215 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:33:23,215 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:33:23,228 INFO L791 eck$LassoCheckResult]: Stem: 702#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(44);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(44);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(11);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(19);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string31.base, #t~string31.offset, 1);call write~init~int(100, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(10, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string34.base, #t~string34.offset, 1);call write~init~int(100, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(10, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 3 + #t~string34.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(10);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(34);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(16);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(20);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string67.base, #t~string67.offset, 1);call write~init~int(115, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(10, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(10);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(12);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(10);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(18);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(13);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(25);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(30);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(21);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(30);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(21);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(30);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(9);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(25);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(30);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(9);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 588#L-1true havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~17, main_~tmp~4;havoc main_~retValue_acc~17;havoc main_~tmp~4; 116#L1797true havoc valid_product_#res;havoc valid_product_~retValue_acc~24;havoc valid_product_~retValue_acc~24;valid_product_~retValue_acc~24 := 1;valid_product_#res := valid_product_~retValue_acc~24; 558#L1805true main_#t~ret26 := valid_product_#res;main_~tmp~4 := main_#t~ret26;havoc main_#t~ret26; 462#L1331true assume 0 != main_~tmp~4;havoc setup_#t~nondet21, setup_#t~nondet23, setup_#t~nondet25, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 74#L1153true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 211#L1159-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 105#L718true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 181#L724-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string20.base, #t~string20.offset;havoc setup_#t~nondet21;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 407#L1153-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 272#L1159-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 711#L718-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 449#L724-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string22.base, #t~string22.offset;havoc setup_#t~nondet23;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 682#L1153-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 717#L1159-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 218#L718-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 319#L724-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string24.base, #t~string24.offset;havoc setup_#t~nondet25; 600#L1318true havoc test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, test_#t~nondet96, test_#t~nondet97, test_#t~nondet98, test_#t~nondet99, test_#t~nondet100, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~16, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~16;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 356#L2521-1true [2021-10-21 19:33:23,229 INFO L793 eck$LassoCheckResult]: Loop: 356#L2521-1true assume !false; 159#L2376true assume test_~splverifierCounter~0 < 4; 448#L2377true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 160#L2383true assume !(0 == test_~op1~0); 377#L2396true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet91;havoc test_#t~nondet91; 586#L2401true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 356#L2521-1true [2021-10-21 19:33:23,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:33:23,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-21 19:33:23,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:33:23,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028769710] [2021-10-21 19:33:23,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:33:23,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:33:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:33:23,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:33:23,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:33:23,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028769710] [2021-10-21 19:33:23,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028769710] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:33:23,693 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:33:23,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:33:23,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144608539] [2021-10-21 19:33:23,698 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:33:23,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:33:23,699 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-21 19:33:23,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:33:23,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948040826] [2021-10-21 19:33:23,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:33:23,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:33:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:33:23,709 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:33:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:33:23,742 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:33:23,799 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:33:23,800 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:33:23,800 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:33:23,800 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:33:23,801 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:33:23,801 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:23,801 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:33:23,801 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:33:23,801 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17.cil.c_Iteration1_Loop [2021-10-21 19:33:23,801 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:33:23,801 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:33:23,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:23,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:23,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:23,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:23,906 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:33:23,907 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:33:23,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:23,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:33:23,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:33:23,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:33:23,921 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:33:23,922 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:33:23,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:33:23,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:23,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:33:23,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:33:23,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:33:23,989 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:33:23,989 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:33:24,015 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:33:24,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:33:24,045 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:33:24,045 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:33:24,045 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:33:24,045 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:33:24,045 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:33:24,045 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:24,045 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:33:24,045 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:33:24,045 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17.cil.c_Iteration1_Loop [2021-10-21 19:33:24,046 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:33:24,046 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:33:24,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:24,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:24,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:24,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:24,133 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:33:24,137 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:33:24,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:24,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:33:24,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:33:24,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:33:24,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:33:24,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:33:24,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:33:24,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:33:24,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:33:24,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:33:24,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:33:24,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:33:24,178 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:33:24,183 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:33:24,183 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 19:33:24,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:24,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:33:24,186 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:33:24,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:33:24,213 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:33:24,213 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:33:24,214 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:33:24,214 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-10-21 19:33:24,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:33:24,243 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:33:24,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:33:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:33:24,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:33:24,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:33:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:33:24,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:33:24,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:33:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:33:24,753 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:33:24,756 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 716 states, 715 states have (on average 1.7636363636363637) internal successors, (1261), 715 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:33:24,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:33:25,065 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 716 states, 715 states have (on average 1.7636363636363637) internal successors, (1261), 715 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3214 states and 5634 transitions. Complement of second has 7 states. [2021-10-21 19:33:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:33:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:33:25,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3222 transitions. [2021-10-21 19:33:25,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3222 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-21 19:33:25,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:33:25,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3222 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-21 19:33:25,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:33:25,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3222 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-21 19:33:25,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:33:25,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3214 states and 5634 transitions. [2021-10-21 19:33:25,116 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2021-10-21 19:33:25,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3214 states to 1035 states and 1896 transitions. [2021-10-21 19:33:25,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2021-10-21 19:33:25,137 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2021-10-21 19:33:25,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2021-10-21 19:33:25,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:33:25,142 INFO L681 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2021-10-21 19:33:25,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2021-10-21 19:33:25,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2021-10-21 19:33:25,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 534 states have (on average 1.8258426966292134) internal successors, (975), 533 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:33:25,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2021-10-21 19:33:25,216 INFO L704 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2021-10-21 19:33:25,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:33:25,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:33:25,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:33:25,221 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:33:25,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:33:25,269 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2021-10-21 19:33:25,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:33:25,270 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2021-10-21 19:33:25,280 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2021-10-21 19:33:25,290 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2021-10-21 19:33:25,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2021-10-21 19:33:25,292 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2021-10-21 19:33:25,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2021-10-21 19:33:25,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:33:25,292 INFO L681 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2021-10-21 19:33:25,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2021-10-21 19:33:25,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2021-10-21 19:33:25,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 533 states have (on average 1.8217636022514072) internal successors, (971), 532 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:33:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2021-10-21 19:33:25,358 INFO L704 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2021-10-21 19:33:25,358 INFO L587 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2021-10-21 19:33:25,358 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:33:25,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2021-10-21 19:33:25,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-10-21 19:33:25,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:33:25,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:33:25,363 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:33:25,363 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:33:25,364 INFO L791 eck$LassoCheckResult]: Stem: 6143#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(44);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(44);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(11);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(19);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string31.base, #t~string31.offset, 1);call write~init~int(100, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(10, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string34.base, #t~string34.offset, 1);call write~init~int(100, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(10, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 3 + #t~string34.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(10);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(34);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(16);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(20);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string67.base, #t~string67.offset, 1);call write~init~int(115, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(10, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(10);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(12);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(10);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(18);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(13);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(25);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(30);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(21);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(30);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(21);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(30);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(9);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(25);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(30);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(9);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 6085#L-1 havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~17, main_~tmp~4;havoc main_~retValue_acc~17;havoc main_~tmp~4; 5961#L1797 havoc valid_product_#res;havoc valid_product_~retValue_acc~24;havoc valid_product_~retValue_acc~24;valid_product_~retValue_acc~24 := 1;valid_product_#res := valid_product_~retValue_acc~24; 5962#L1805 main_#t~ret26 := valid_product_#res;main_~tmp~4 := main_#t~ret26;havoc main_#t~ret26; 5926#L1331 assume 0 != main_~tmp~4;havoc setup_#t~nondet21, setup_#t~nondet23, setup_#t~nondet25, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5838#L1153 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5839#L1159-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5944#L718 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5718#L724-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string20.base, #t~string20.offset;havoc setup_#t~nondet21;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5811#L1153-2 assume !(1 == setClientId_~handle); 5793#L1156-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 5794#L1159-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6120#L718-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5698#L724-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string22.base, #t~string22.offset;havoc setup_#t~nondet23;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5903#L1153-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5973#L1159-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6073#L718-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5612#L724-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string24.base, #t~string24.offset;havoc setup_#t~nondet25; 6104#L1318 havoc test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, test_#t~nondet96, test_#t~nondet97, test_#t~nondet98, test_#t~nondet99, test_#t~nondet100, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~16, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~16;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 6105#L2521-1 assume !false; 5626#L2376 [2021-10-21 19:33:25,364 INFO L793 eck$LassoCheckResult]: Loop: 5626#L2376 assume test_~splverifierCounter~0 < 4; 5899#L2377 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 5900#L2383 assume !(0 == test_~op1~0); 5735#L2396 assume !(0 == test_~op2~0); 5736#L2407 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet92;havoc test_#t~nondet92; 5801#L2412 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5945#L718-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5679#L724-11 test_~op3~0 := 1; 5625#L2521-1 assume !false; 5626#L2376 [2021-10-21 19:33:25,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:33:25,364 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-21 19:33:25,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:33:25,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408977273] [2021-10-21 19:33:25,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:33:25,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:33:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:33:25,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:33:25,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:33:25,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408977273] [2021-10-21 19:33:25,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408977273] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:33:25,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:33:25,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:33:25,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658750768] [2021-10-21 19:33:25,530 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:33:25,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:33:25,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-21 19:33:25,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:33:25,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553758229] [2021-10-21 19:33:25,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:33:25,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:33:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:33:25,539 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:33:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:33:25,564 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:33:25,669 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:33:25,669 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:33:25,669 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:33:25,669 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:33:25,669 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:33:25,669 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:25,670 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:33:25,670 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:33:25,670 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17.cil.c_Iteration2_Loop [2021-10-21 19:33:25,670 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:33:25,670 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:33:25,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:25,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:25,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:25,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:25,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:25,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:25,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:25,824 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:33:25,824 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:33:25,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:25,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:33:25,827 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:33:25,838 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:33:25,838 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:33:25,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:33:25,860 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:33:25,860 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:33:25,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:33:25,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:25,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:33:25,891 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:33:25,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:33:25,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:33:25,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:33:25,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:33:25,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:25,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:33:25,930 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:33:25,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:33:25,933 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:33:25,933 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:33:25,997 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:33:26,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-21 19:33:26,006 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:33:26,006 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:33:26,006 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:33:26,006 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:33:26,006 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:33:26,006 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:26,006 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:33:26,006 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:33:26,006 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17.cil.c_Iteration2_Loop [2021-10-21 19:33:26,006 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:33:26,006 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:33:26,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:26,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:26,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:26,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:26,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:26,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:26,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:33:26,161 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:33:26,161 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:33:26,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:26,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:33:26,163 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:33:26,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:33:26,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:33:26,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:33:26,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:33:26,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:33:26,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:33:26,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:33:26,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:33:26,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:33:26,197 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:33:26,200 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:33:26,200 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 19:33:26,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:33:26,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:33:26,205 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:33:26,210 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:33:26,211 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:33:26,211 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:33:26,211 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-21 19:33:26,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:33:26,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:33:26,247 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:33:26,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:33:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:33:26,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:33:26,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:33:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:33:26,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:33:26,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:33:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:33:26,602 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-21 19:33:26,603 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:33:26,685 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1039 states and 1901 transitions. Complement of second has 6 states. [2021-10-21 19:33:26,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:33:26,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:33:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2021-10-21 19:33:26,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-21 19:33:26,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:33:26,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-21 19:33:26,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:33:26,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-21 19:33:26,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:33:26,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2021-10-21 19:33:26,710 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:33:26,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2021-10-21 19:33:26,710 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:33:26,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:33:26,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:33:26,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:33:26,711 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:33:26,711 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:33:26,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:33:26,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:33:26,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:33:26,713 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:33:26,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:33:26,713 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 19:33:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:33:26,713 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 19:33:26,714 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:33:26,714 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:33:26,714 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:33:26,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:33:26,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:33:26,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:33:26,715 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:33:26,715 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:33:26,715 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:33:26,715 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:33:26,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:33:26,715 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:33:26,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:33:26,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:33:26 BoogieIcfgContainer [2021-10-21 19:33:26,722 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:33:26,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:33:26,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:33:26,724 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:33:26,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:33:22" (3/4) ... [2021-10-21 19:33:26,727 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:33:26,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:33:26,730 INFO L168 Benchmark]: Toolchain (without parser) took 7376.88 ms. Allocated memory was 130.0 MB in the beginning and 253.8 MB in the end (delta: 123.7 MB). Free memory was 93.3 MB in the beginning and 191.0 MB in the end (delta: -97.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:26,731 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 73.4 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:33:26,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 900.78 ms. Allocated memory is still 130.0 MB. Free memory was 93.1 MB in the beginning and 78.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:26,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.80 ms. Allocated memory is still 130.0 MB. Free memory was 78.1 MB in the beginning and 66.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:26,740 INFO L168 Benchmark]: Boogie Preprocessor took 131.35 ms. Allocated memory is still 130.0 MB. Free memory was 66.2 MB in the beginning and 56.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:26,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-21 19:33:26,745 INFO L168 Benchmark]: RCFGBuilder took 2455.35 ms. Allocated memory was 130.0 MB in the beginning and 190.8 MB in the end (delta: 60.8 MB). Free memory was 56.3 MB in the beginning and 135.7 MB in the end (delta: -79.3 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:26,745 INFO L168 Benchmark]: BuchiAutomizer took 3727.92 ms. Allocated memory was 190.8 MB in the beginning and 253.8 MB in the end (delta: 62.9 MB). Free memory was 135.7 MB in the beginning and 191.0 MB in the end (delta: -55.3 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:26,748 INFO L168 Benchmark]: Witness Printer took 3.84 ms. Allocated memory is still 253.8 MB. Free memory is still 191.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:33:26,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 73.4 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 900.78 ms. Allocated memory is still 130.0 MB. Free memory was 93.1 MB in the beginning and 78.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 148.80 ms. Allocated memory is still 130.0 MB. Free memory was 78.1 MB in the beginning and 66.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 131.35 ms. Allocated memory is still 130.0 MB. Free memory was 66.2 MB in the beginning and 56.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2455.35 ms. Allocated memory was 130.0 MB in the beginning and 190.8 MB in the end (delta: 60.8 MB). Free memory was 56.3 MB in the beginning and 135.7 MB in the end (delta: -79.3 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3727.92 ms. Allocated memory was 190.8 MB in the beginning and 253.8 MB in the end (delta: 62.9 MB). Free memory was 135.7 MB in the beginning and 191.0 MB in the end (delta: -55.3 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Witness Printer took 3.84 ms. Allocated memory is still 253.8 MB. Free memory is still 191.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 126.0ms AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3942 SDtfs, 3447 SDslu, 5003 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 73ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:33:26,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f18f53-c36c-4e03-81be-3a22eed96042/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...