./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product31.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_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/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_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/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_fdbd759d-9062-4694-9f55-30dc402e3e46/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 87743dcc2c25562bb963887f71637e8ebeccc1d21e21cc059ac68c446a3d9b4f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:04:42,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:04:42,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:04:42,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:04:42,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:04:42,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:04:42,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:04:42,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:04:42,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:04:42,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:04:42,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:04:42,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:04:42,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:04:42,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:04:42,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:04:42,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:04:42,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:04:42,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:04:42,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:04:42,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:04:42,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:04:42,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:04:42,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:04:42,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:04:42,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:04:42,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:04:42,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:04:42,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:04:42,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:04:42,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:04:42,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:04:42,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:04:42,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:04:42,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:04:42,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:04:42,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:04:42,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:04:42,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:04:42,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:04:42,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:04:42,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:04:42,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:04:43,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:04:43,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:04:43,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:04:43,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:04:43,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:04:43,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:04:43,023 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:04:43,023 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:04:43,024 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:04:43,024 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:04:43,024 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:04:43,031 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:04:43,032 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:04:43,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:04:43,032 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:04:43,033 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:04:43,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:04:43,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:04:43,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:04:43,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:04:43,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:04:43,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:04:43,034 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:04:43,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:04:43,035 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:04:43,035 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:04:43,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:04:43,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:04:43,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:04:43,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:04:43,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:04:43,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:04:43,037 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:04:43,040 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_fdbd759d-9062-4694-9f55-30dc402e3e46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87743dcc2c25562bb963887f71637e8ebeccc1d21e21cc059ac68c446a3d9b4f [2021-10-21 19:04:43,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:04:43,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:04:43,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:04:43,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:04:43,394 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:04:43,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/email_spec4_product31.cil.c [2021-10-21 19:04:43,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/data/b19a1395e/6bdf1900611641c2b93e231daa3e3c7f/FLAGad3a3aba7 [2021-10-21 19:04:44,183 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:04:44,183 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/sv-benchmarks/c/product-lines/email_spec4_product31.cil.c [2021-10-21 19:04:44,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/data/b19a1395e/6bdf1900611641c2b93e231daa3e3c7f/FLAGad3a3aba7 [2021-10-21 19:04:44,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/data/b19a1395e/6bdf1900611641c2b93e231daa3e3c7f [2021-10-21 19:04:44,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:04:44,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:04:44,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:04:44,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:04:44,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:04:44,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:04:44" (1/1) ... [2021-10-21 19:04:44,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a55b99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:04:44, skipping insertion in model container [2021-10-21 19:04:44,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:04:44" (1/1) ... [2021-10-21 19:04:44,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:04:44,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:04:44,848 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_fdbd759d-9062-4694-9f55-30dc402e3e46/sv-benchmarks/c/product-lines/email_spec4_product31.cil.c[26985,26998] [2021-10-21 19:04:45,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:04:45,187 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:04:45,233 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_fdbd759d-9062-4694-9f55-30dc402e3e46/sv-benchmarks/c/product-lines/email_spec4_product31.cil.c[26985,26998] [2021-10-21 19:04:45,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:04:45,343 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:04:45,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:04:45 WrapperNode [2021-10-21 19:04:45,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:04:45,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:04:45,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:04:45,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:04:45,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:04:45" (1/1) ... [2021-10-21 19:04:45,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:04:45" (1/1) ... [2021-10-21 19:04:45,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:04:45,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:04:45,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:04:45,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:04:45,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:04:45" (1/1) ... [2021-10-21 19:04:45,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:04:45" (1/1) ... [2021-10-21 19:04:45,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:04:45" (1/1) ... [2021-10-21 19:04:45,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:04:45" (1/1) ... [2021-10-21 19:04:45,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:04:45" (1/1) ... [2021-10-21 19:04:45,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:04:45" (1/1) ... [2021-10-21 19:04:45,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:04:45" (1/1) ... [2021-10-21 19:04:45,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:04:45,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:04:45,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:04:45,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:04:45,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:04:45" (1/1) ... [2021-10-21 19:04:45,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:45,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:04:45,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:04:45,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:04:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-21 19:04:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:04:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:04:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:04:45,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:04:48,355 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:04:48,356 INFO L299 CfgBuilder]: Removed 375 assume(true) statements. [2021-10-21 19:04:48,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:04:48 BoogieIcfgContainer [2021-10-21 19:04:48,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:04:48,365 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:04:48,366 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:04:48,370 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:04:48,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:04:48,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:04:44" (1/3) ... [2021-10-21 19:04:48,374 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@682e699e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:04:48, skipping insertion in model container [2021-10-21 19:04:48,374 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:04:48,374 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:04:45" (2/3) ... [2021-10-21 19:04:48,375 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@682e699e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:04:48, skipping insertion in model container [2021-10-21 19:04:48,376 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:04:48,376 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:04:48" (3/3) ... [2021-10-21 19:04:48,378 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec4_product31.cil.c [2021-10-21 19:04:48,429 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:04:48,429 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:04:48,429 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:04:48,429 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:04:48,430 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:04:48,430 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:04:48,430 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:04:48,430 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:04:48,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 565 states, 564 states have (on average 1.7340425531914894) internal successors, (978), 564 states have internal predecessors, (978), 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 19:04:48,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 19:04:48,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:04:48,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:04:48,541 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 19:04:48,542 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:04:48,542 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:04:48,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 565 states, 564 states have (on average 1.7340425531914894) internal successors, (978), 564 states have internal predecessors, (978), 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 19:04:48,561 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 19:04:48,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:04:48,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:04:48,564 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 19:04:48,565 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:04:48,572 INFO L791 eck$LassoCheckResult]: Stem: 551#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~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(44);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(44);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(11);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(19);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string62.base, #t~string62.offset, 1);call write~init~int(100, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(10, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string65.base, #t~string65.offset, 1);call write~init~int(100, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(10, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(16);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(20);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(21);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(13);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(10);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(12);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(18);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(16);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(21);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(13);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(16);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(25);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string132.base, #t~string132.offset, 1);call write~init~int(115, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(10, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 461#L-1true havoc main_#res;havoc main_#t~ret57, main_~retValue_acc~20, main_~tmp~6;havoc main_~retValue_acc~20;havoc main_~tmp~6; 546#L2765true havoc valid_product_#res;havoc valid_product_~retValue_acc~42;havoc valid_product_~retValue_acc~42;valid_product_~retValue_acc~42 := 1;valid_product_#res := valid_product_~retValue_acc~42; 160#L2773true main_#t~ret57 := valid_product_#res;main_~tmp~6 := main_#t~ret57;havoc main_#t~ret57; 373#L1677true assume 0 != main_~tmp~6;havoc setup_#t~nondet52, setup_#t~nondet54, setup_#t~nondet56, 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; 482#L1112true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 287#L1118-2true 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; 275#L677true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 42#L683-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string51.base, #t~string51.offset;havoc setup_#t~nondet52;~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; 89#L1112-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 374#L1118-5true 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; 191#L677-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 57#L683-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54;~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; 270#L1112-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 312#L1118-8true 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; 251#L677-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 410#L683-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string55.base, #t~string55.offset;havoc setup_#t~nondet56; 157#L1664true havoc test_#t~nondet134, test_#t~nondet135, test_#t~nondet136, test_#t~nondet137, test_#t~nondet138, test_#t~nondet139, test_#t~nondet140, test_#t~nondet141, test_#t~nondet142, test_#t~nondet143, test_#t~nondet144, 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~23, test_~tmp___0~9, 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~23;havoc test_~tmp___0~9;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; 519#L2980-1true [2021-10-21 19:04:48,573 INFO L793 eck$LassoCheckResult]: Loop: 519#L2980-1true assume !false; 31#L2835true assume test_~splverifierCounter~0 < 4; 230#L2836true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 111#L2842true assume !(0 == test_~op1~0); 184#L2855true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet135;havoc test_#t~nondet135; 11#L2860true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 519#L2980-1true [2021-10-21 19:04:48,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:04:48,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-21 19:04:48,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:04:48,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362963134] [2021-10-21 19:04:48,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:04:48,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:04:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:04:49,044 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 19:04:49,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:04:49,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362963134] [2021-10-21 19:04:49,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362963134] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:04:49,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:04:49,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:04:49,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173693491] [2021-10-21 19:04:49,058 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:04:49,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:04:49,063 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-21 19:04:49,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:04:49,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242415809] [2021-10-21 19:04:49,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:04:49,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:04:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:04:49,090 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:04:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:04:49,150 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:04:49,225 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:04:49,226 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:04:49,226 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:04:49,226 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:04:49,226 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:04:49,227 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:49,227 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:04:49,227 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:04:49,227 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product31.cil.c_Iteration1_Loop [2021-10-21 19:04:49,227 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:04:49,228 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:04:49,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:04:49,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:04:49,263 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 19:04:49,269 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 19:04:49,346 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:04:49,347 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:04:49,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:49,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:04:49,353 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:04:49,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:04:49,361 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:04:49,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:04:49,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-21 19:04:49,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:49,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:04:49,430 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:04:49,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:04:49,438 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:04:49,438 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:04:49,481 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:04:49,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:04:49,515 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:04:49,515 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:04:49,515 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:04:49,515 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:04:49,515 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:04:49,516 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:49,516 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:04:49,516 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:04:49,516 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product31.cil.c_Iteration1_Loop [2021-10-21 19:04:49,516 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:04:49,516 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:04:49,517 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 19:04:49,525 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 19:04:49,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:04:49,538 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 19:04:49,623 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:04:49,628 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:04:49,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:49,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:04:49,631 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:04:49,638 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 19:04:49,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:04:49,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:04:49,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:04:49,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:04:49,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:04:49,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:04:49,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:04:49,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:04:49,672 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:04:49,689 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:04:49,690 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 19:04:49,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:49,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:04:49,710 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:04:49,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:04:49,716 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:04:49,716 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:04:49,717 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:04:49,718 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 19:04:49,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:04:49,756 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:04:49,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:04:49,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:04:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:04:49,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:04:49,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:04:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:04:50,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:04:50,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:04:50,183 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 19:04:50,198 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 19:04:50,202 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 565 states, 564 states have (on average 1.7340425531914894) internal successors, (978), 564 states have internal predecessors, (978), 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 19:04:50,485 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 565 states, 564 states have (on average 1.7340425531914894) internal successors, (978), 564 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2498 states and 4302 transitions. Complement of second has 7 states. [2021-10-21 19:04:50,485 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 19:04:50,487 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 19:04:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2448 transitions. [2021-10-21 19:04:50,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2448 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-21 19:04:50,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:04:50,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2448 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-21 19:04:50,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:04:50,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2448 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-21 19:04:50,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:04:50,500 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2498 states and 4302 transitions. [2021-10-21 19:04:50,538 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2021-10-21 19:04:50,562 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2498 states to 879 states and 1596 transitions. [2021-10-21 19:04:50,563 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2021-10-21 19:04:50,567 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2021-10-21 19:04:50,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2021-10-21 19:04:50,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:04:50,568 INFO L681 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2021-10-21 19:04:50,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2021-10-21 19:04:50,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2021-10-21 19:04:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 456 states have (on average 1.8092105263157894) internal successors, (825), 455 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:04:50,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2021-10-21 19:04:50,681 INFO L704 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2021-10-21 19:04:50,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:04:50,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:04:50,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:04:50,687 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:04:50,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:04:50,756 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2021-10-21 19:04:50,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:04:50,758 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2021-10-21 19:04:50,766 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2021-10-21 19:04:50,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2021-10-21 19:04:50,778 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2021-10-21 19:04:50,779 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2021-10-21 19:04:50,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2021-10-21 19:04:50,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:04:50,790 INFO L681 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2021-10-21 19:04:50,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2021-10-21 19:04:50,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2021-10-21 19:04:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 455 states have (on average 1.8043956043956044) internal successors, (821), 454 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:04:50,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2021-10-21 19:04:50,811 INFO L704 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-21 19:04:50,812 INFO L587 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-21 19:04:50,812 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:04:50,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2021-10-21 19:04:50,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 19:04:50,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:04:50,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:04:50,820 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 19:04:50,820 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:04:50,820 INFO L791 eck$LassoCheckResult]: Stem: 4962#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~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(44);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(44);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(11);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(19);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string62.base, #t~string62.offset, 1);call write~init~int(100, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(10, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string65.base, #t~string65.offset, 1);call write~init~int(100, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(10, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(16);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(20);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(21);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(13);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(10);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(12);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(18);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(16);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(21);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(13);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(16);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(25);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string132.base, #t~string132.offset, 1);call write~init~int(115, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(10, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 4915#L-1 havoc main_#res;havoc main_#t~ret57, main_~retValue_acc~20, main_~tmp~6;havoc main_~retValue_acc~20;havoc main_~tmp~6; 4916#L2765 havoc valid_product_#res;havoc valid_product_~retValue_acc~42;havoc valid_product_~retValue_acc~42;valid_product_~retValue_acc~42 := 1;valid_product_#res := valid_product_~retValue_acc~42; 4904#L2773 main_#t~ret57 := valid_product_#res;main_~tmp~6 := main_#t~ret57;havoc main_#t~ret57; 4794#L1677 assume 0 != main_~tmp~6;havoc setup_#t~nondet52, setup_#t~nondet54, setup_#t~nondet56, 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; 4795#L1112 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4589#L1118-2 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; 4546#L677 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4547#L683-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string51.base, #t~string51.offset;havoc setup_#t~nondet52;~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; 4663#L1112-2 assume !(1 == setClientId_~handle); 4611#L1115-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4612#L1118-5 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; 4796#L677-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4699#L683-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54;~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; 4532#L1112-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4533#L1118-8 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; 4672#L677-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4832#L683-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string55.base, #t~string55.offset;havoc setup_#t~nondet56; 4857#L1664 havoc test_#t~nondet134, test_#t~nondet135, test_#t~nondet136, test_#t~nondet137, test_#t~nondet138, test_#t~nondet139, test_#t~nondet140, test_#t~nondet141, test_#t~nondet142, test_#t~nondet143, test_#t~nondet144, 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~23, test_~tmp___0~9, 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~23;havoc test_~tmp___0~9;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; 4899#L2980-1 assume !false; 4633#L2835 [2021-10-21 19:04:50,821 INFO L793 eck$LassoCheckResult]: Loop: 4633#L2835 assume test_~splverifierCounter~0 < 4; 4634#L2836 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4821#L2842 assume !(0 == test_~op1~0); 4823#L2855 assume !(0 == test_~op2~0); 4542#L2866 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet136;havoc test_#t~nondet136; 4595#L2871 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; 4597#L677-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4768#L683-11 test_~op3~0 := 1; 4571#L2980-1 assume !false; 4633#L2835 [2021-10-21 19:04:50,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:04:50,822 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-21 19:04:50,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:04:50,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157706770] [2021-10-21 19:04:50,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:04:50,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:04:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:04:50,964 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 19:04:50,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:04:50,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157706770] [2021-10-21 19:04:50,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157706770] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:04:50,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:04:50,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:04:50,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469704703] [2021-10-21 19:04:50,966 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:04:50,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:04:50,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-21 19:04:50,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:04:50,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538449666] [2021-10-21 19:04:50,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:04:50,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:04:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:04:50,977 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:04:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:04:50,993 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:04:51,118 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:04:51,118 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:04:51,119 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:04:51,119 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:04:51,119 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:04:51,119 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:51,119 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:04:51,119 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:04:51,120 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product31.cil.c_Iteration2_Loop [2021-10-21 19:04:51,120 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:04:51,120 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:04:51,122 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 19:04:51,129 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 19:04:51,136 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 19:04:51,143 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 19:04:51,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:04:51,162 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 19:04:51,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:04:51,311 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:04:51,311 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:04:51,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:51,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:04:51,317 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:04:51,326 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:04:51,326 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:04:51,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:04:51,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:04:51,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:51,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:04:51,392 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:04:51,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:04:51,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:04:51,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:04:51,481 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:04:51,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:04:51,489 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:04:51,489 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:04:51,489 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:04:51,489 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:04:51,489 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:04:51,489 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:51,489 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:04:51,489 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:04:51,489 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product31.cil.c_Iteration2_Loop [2021-10-21 19:04:51,489 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:04:51,490 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:04:51,491 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 19:04:51,505 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 19:04:51,513 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 19:04:51,517 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 19:04:51,526 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 19:04:51,530 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 19:04:51,539 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 19:04:51,674 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:04:51,674 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:04:51,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:51,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:04:51,681 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:04:51,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:04:51,685 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 19:04:51,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:04:51,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:04:51,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:04:51,695 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:04:51,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:04:51,698 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:04:51,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:04:51,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:04:51,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:04:51,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:51,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:04:51,757 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:04:51,763 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 19:04:51,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:04:51,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:04:51,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:04:51,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:04:51,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:04:51,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:04:51,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:04:51,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:04:51,792 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:04:51,795 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:04:51,795 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 19:04:51,796 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:04:51,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:04:51,797 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:04:51,799 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:04:51,799 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:04:51,799 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:04:51,799 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 19:04:51,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:04:51,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:04:51,845 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:04:51,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:04:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:04:52,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:04:52,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:04:52,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:04:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:04:52,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:04:52,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:04:52,287 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 19:04:52,288 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 19:04:52,288 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:04:52,320 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 883 states and 1601 transitions. Complement of second has 6 states. [2021-10-21 19:04:52,320 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 19:04:52,321 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 19:04:52,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2021-10-21 19:04:52,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-21 19:04:52,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:04:52,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-21 19:04:52,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:04:52,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-21 19:04:52,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:04:52,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2021-10-21 19:04:52,332 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:04:52,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2021-10-21 19:04:52,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:04:52,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:04:52,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:04:52,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:04:52,333 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:04:52,333 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:04:52,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:04:52,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:04:52,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:04:52,334 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 19:04:52,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:04:52,334 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 19:04:52,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:04:52,335 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 19:04:52,335 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:04:52,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:04:52,335 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:04:52,335 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:04:52,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:04:52,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:04:52,335 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:04:52,335 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:04:52,335 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:04:52,336 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:04:52,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:04:52,336 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:04:52,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:04:52,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:04:52 BoogieIcfgContainer [2021-10-21 19:04:52,342 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:04:52,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:04:52,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:04:52,343 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:04:52,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:04:48" (3/4) ... [2021-10-21 19:04:52,346 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:04:52,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:04:52,348 INFO L168 Benchmark]: Toolchain (without parser) took 7979.39 ms. Allocated memory was 92.3 MB in the beginning and 167.8 MB in the end (delta: 75.5 MB). Free memory was 55.1 MB in the beginning and 80.3 MB in the end (delta: -25.2 MB). Peak memory consumption was 51.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:04:52,349 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 62.0 MB in the beginning and 62.0 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:04:52,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 972.01 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.9 MB in the beginning and 59.7 MB in the end (delta: -4.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:04:52,350 INFO L168 Benchmark]: Boogie Procedure Inliner took 205.58 ms. Allocated memory is still 111.1 MB. Free memory was 59.7 MB in the beginning and 48.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:04:52,351 INFO L168 Benchmark]: Boogie Preprocessor took 192.30 ms. Allocated memory is still 111.1 MB. Free memory was 48.2 MB in the beginning and 79.9 MB in the end (delta: -31.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:04:52,352 INFO L168 Benchmark]: RCFGBuilder took 2617.38 ms. Allocated memory was 111.1 MB in the beginning and 167.8 MB in the end (delta: 56.6 MB). Free memory was 79.9 MB in the beginning and 127.4 MB in the end (delta: -47.5 MB). Peak memory consumption was 57.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:04:52,352 INFO L168 Benchmark]: BuchiAutomizer took 3976.59 ms. Allocated memory is still 167.8 MB. Free memory was 127.4 MB in the beginning and 80.3 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:04:52,353 INFO L168 Benchmark]: Witness Printer took 3.98 ms. Allocated memory is still 167.8 MB. Free memory is still 80.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:04:52,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 62.0 MB in the beginning and 62.0 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 972.01 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.9 MB in the beginning and 59.7 MB in the end (delta: -4.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 205.58 ms. Allocated memory is still 111.1 MB. Free memory was 59.7 MB in the beginning and 48.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 192.30 ms. Allocated memory is still 111.1 MB. Free memory was 48.2 MB in the beginning and 79.9 MB in the end (delta: -31.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2617.38 ms. Allocated memory was 111.1 MB in the beginning and 167.8 MB in the end (delta: 56.6 MB). Free memory was 79.9 MB in the beginning and 127.4 MB in the end (delta: -47.5 MB). Peak memory consumption was 57.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3976.59 ms. Allocated memory is still 167.8 MB. Free memory was 127.4 MB in the beginning and 80.3 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * Witness Printer took 3.98 ms. Allocated memory is still 167.8 MB. Free memory is still 80.3 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 3.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 94.1ms AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3159 SDtfs, 2739 SDslu, 3941 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.2ms 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: unsat Degree: 0 Time: 41ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:04:52,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbd759d-9062-4694-9f55-30dc402e3e46/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...