./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 bad89116a36bb46e02a3fc807805b2b6d03550190d8073d361f25c2754b15f25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:56:33,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:56:33,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:56:33,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:56:33,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:56:33,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:56:33,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:56:33,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:56:33,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:56:33,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:56:33,904 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:56:33,904 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:56:33,905 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:56:33,905 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:56:33,906 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:56:33,907 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:56:33,907 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:56:33,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:56:33,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:56:33,909 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:56:33,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:56:33,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:56:33,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:56:33,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:56:33,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:56:33,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:56:33,913 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:56:33,913 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:56:33,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:56:33,914 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:56:33,915 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:56:33,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:56:33,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:56:33,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:56:33,917 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:56:33,918 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:56:33,919 INFO L153 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_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bad89116a36bb46e02a3fc807805b2b6d03550190d8073d361f25c2754b15f25 [2023-11-19 07:56:34,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:56:34,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:56:34,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:56:34,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:56:34,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:56:34,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/email_spec6_product31.cil.c [2023-11-19 07:56:37,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:56:37,746 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:56:37,747 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/sv-benchmarks/c/product-lines/email_spec6_product31.cil.c [2023-11-19 07:56:37,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/data/b8ee2ab8d/b7bc96b79d874da79d343e69f22283cb/FLAGadc11caae [2023-11-19 07:56:37,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/data/b8ee2ab8d/b7bc96b79d874da79d343e69f22283cb [2023-11-19 07:56:37,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:56:37,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:56:37,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:37,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:56:37,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:56:37,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:37" (1/1) ... [2023-11-19 07:56:37,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d29b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37, skipping insertion in model container [2023-11-19 07:56:37,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:37" (1/1) ... [2023-11-19 07:56:37,936 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:56:38,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:38,662 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:56:38,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2023-11-19 07:56:38,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [66] [2023-11-19 07:56:38,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [225] [2023-11-19 07:56:38,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1305] [2023-11-19 07:56:38,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1314] [2023-11-19 07:56:38,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1680] [2023-11-19 07:56:38,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1905] [2023-11-19 07:56:38,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2190] [2023-11-19 07:56:38,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2554] [2023-11-19 07:56:38,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2600] [2023-11-19 07:56:38,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2997] [2023-11-19 07:56:38,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:38,811 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:56:38,819 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:56:38,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:38 WrapperNode [2023-11-19 07:56:38,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:38,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:38,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:56:38,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:56:38,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:38" (1/1) ... [2023-11-19 07:56:38,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:38" (1/1) ... [2023-11-19 07:56:39,039 INFO L138 Inliner]: procedures = 132, calls = 226, calls flagged for inlining = 133, calls inlined = 195, statements flattened = 2929 [2023-11-19 07:56:39,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:39,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:56:39,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:56:39,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:56:39,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:38" (1/1) ... [2023-11-19 07:56:39,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:38" (1/1) ... [2023-11-19 07:56:39,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:38" (1/1) ... [2023-11-19 07:56:39,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:38" (1/1) ... [2023-11-19 07:56:39,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:38" (1/1) ... [2023-11-19 07:56:39,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:38" (1/1) ... [2023-11-19 07:56:39,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:38" (1/1) ... [2023-11-19 07:56:39,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:38" (1/1) ... [2023-11-19 07:56:39,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:56:39,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:56:39,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:56:39,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:56:39,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:38" (1/1) ... [2023-11-19 07:56:39,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:39,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:39,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:39,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:56:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-19 07:56:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:56:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:56:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:56:39,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:56:39,616 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:56:39,621 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:56:41,445 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:56:41,465 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:56:41,465 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:56:41,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:41 BoogieIcfgContainer [2023-11-19 07:56:41,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:56:41,476 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:56:41,476 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:56:41,481 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:56:41,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:56:41,482 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:56:37" (1/3) ... [2023-11-19 07:56:41,483 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ad0e315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:41, skipping insertion in model container [2023-11-19 07:56:41,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:56:41,483 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:38" (2/3) ... [2023-11-19 07:56:41,484 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ad0e315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:41, skipping insertion in model container [2023-11-19 07:56:41,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:56:41,484 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:41" (3/3) ... [2023-11-19 07:56:41,486 INFO L332 chiAutomizerObserver]: Analyzing ICFG email_spec6_product31.cil.c [2023-11-19 07:56:41,564 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:56:41,565 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:56:41,565 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:56:41,565 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:56:41,565 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:56:41,565 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:56:41,566 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:56:41,566 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:56:41,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 630 states, 629 states have (on average 1.670906200317965) internal successors, (1051), 629 states have internal predecessors, (1051), 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) [2023-11-19 07:56:41,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 222 [2023-11-19 07:56:41,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:56:41,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:56:41,652 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:41,652 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:56:41,653 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:56:41,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 630 states, 629 states have (on average 1.670906200317965) internal successors, (1051), 629 states have internal predecessors, (1051), 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) [2023-11-19 07:56:41,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 222 [2023-11-19 07:56:41,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:56:41,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:56:41,688 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:41,688 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:56:41,699 INFO L748 eck$LassoCheckResult]: Stem: 186#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);call write~init~int(37, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(10, 4, 2, 1);call write~init~int(0, 4, 3, 1);call #Ultimate.allocInit(10, 5);call #Ultimate.allocInit(12, 6);call #Ultimate.allocInit(10, 7);call #Ultimate.allocInit(18, 8);call #Ultimate.allocInit(16, 9);call #Ultimate.allocInit(21, 10);call #Ultimate.allocInit(13, 11);call #Ultimate.allocInit(16, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(30, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(21, 16);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(25, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(44, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(11, 30);call #Ultimate.allocInit(19, 31);call #Ultimate.allocInit(4, 32);call write~init~int(37, 32, 0, 1);call write~init~int(100, 32, 1, 1);call write~init~int(10, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(37, 33, 0, 1);call write~init~int(100, 33, 1, 1);call write~init~int(10, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(10, 34);call #Ultimate.allocInit(16, 35);call #Ultimate.allocInit(20, 36);call #Ultimate.allocInit(21, 37);call #Ultimate.allocInit(13, 38);call #Ultimate.allocInit(19, 39);call #Ultimate.allocInit(16, 40);call #Ultimate.allocInit(19, 41);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~sent_encrypted~0 := -1;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 506#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret69#1, main_~retValue_acc~25#1, main_~tmp~12#1;havoc main_~retValue_acc~25#1;havoc main_~tmp~12#1;assume { :begin_inline_select_helpers } true; 357#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 591#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~43#1;havoc valid_product_~retValue_acc~43#1;valid_product_~retValue_acc~43#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~43#1; 103#valid_product_returnLabel#1true main_#t~ret69#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~43#1;assume { :end_inline_valid_product } true;main_~tmp~12#1 := main_#t~ret69#1;havoc main_#t~ret69#1; 622#L2057true assume 0 != main_~tmp~12#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet66#1, setup_#t~nondet67#1, setup_#t~nondet68#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 497#L1289true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 451#L1295-2true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 344#setup_bob__wrappee__Base_returnLabel#1true havoc setup_bob__wrappee__Base_~bob___0#1;havoc setup_bob__wrappee__Base_#in~bob___0#1;assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 608#L854true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 264#L860-2true havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true; 595#setup_bob_returnLabel#1true havoc setup_bob_~bob___0#1;havoc setup_bob_#in~bob___0#1;assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 28, 0;havoc setup_#t~nondet66#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 262#L1289-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 176#L1295-5true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 446#setup_rjh__wrappee__Base_returnLabel#1true havoc setup_rjh__wrappee__Base_~rjh___0#1;havoc setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 401#L854-2true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 282#L860-5true havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true; 429#setup_rjh_returnLabel#1true havoc setup_rjh_~rjh___0#1;havoc setup_rjh_#in~rjh___0#1;assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 29, 0;havoc setup_#t~nondet67#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 331#L1289-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 339#L1295-8true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 592#setup_chuck__wrappee__Base_returnLabel#1true havoc setup_chuck__wrappee__Base_~chuck___0#1;havoc setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 571#L854-4true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 527#L860-8true havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true; 375#setup_chuck_returnLabel#1true havoc setup_chuck_~chuck___0#1;havoc setup_chuck_#in~chuck___0#1;assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset := 30, 0;havoc setup_#t~nondet68#1; 397#setup_returnLabel#1true havoc setup_#t~nondet66#1, setup_#t~nondet67#1, setup_#t~nondet68#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_#t~nondet55#1, test_#t~nondet56#1, test_#t~nondet57#1, test_#t~nondet58#1, test_#t~nondet59#1, test_#t~nondet60#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~1#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~1#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 431#L1875-1true [2023-11-19 07:56:41,702 INFO L750 eck$LassoCheckResult]: Loop: 431#L1875-1true assume !false; 270#L1730true assume test_~splverifierCounter~0#1 < 4; 297#L1731true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 566#L1737true assume !(0 == test_~op1~0#1); 298#$Ultimate##179true assume 0 == test_~op2~0#1;havoc test_#t~nondet51#1;test_~tmp___8~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 348#L1755true assume 0 != test_~tmp___8~0#1;test_~op2~0#1 := 1; 431#L1875-1true [2023-11-19 07:56:41,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:41,709 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2023-11-19 07:56:41,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:41,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7923011] [2023-11-19 07:56:41,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:41,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:42,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:42,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:42,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7923011] [2023-11-19 07:56:42,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7923011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:42,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:42,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:56:42,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797412250] [2023-11-19 07:56:42,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:42,308 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:56:42,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:42,311 INFO L85 PathProgramCache]: Analyzing trace with hash 797576867, now seen corresponding path program 1 times [2023-11-19 07:56:42,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:42,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532740880] [2023-11-19 07:56:42,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:42,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:56:42,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:56:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:56:42,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:56:42,447 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:56:42,447 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:56:42,447 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:56:42,448 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:56:42,448 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:56:42,448 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:42,448 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:56:42,448 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:56:42,449 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product31.cil.c_Iteration1_Loop [2023-11-19 07:56:42,449 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:56:42,449 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:56:42,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:56:42,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:56:42,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:56:42,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:56:42,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:56:42,599 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:56:42,600 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:56:42,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:42,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:42,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:42,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:56:42,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:56:42,610 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:56:42,649 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:56:42,649 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___8~0#1=4} Honda state: {ULTIMATE.start_test_~tmp___8~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:56:42,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-19 07:56:42,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:42,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:42,670 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:42,679 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:56:42,679 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:56:42,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:56:42,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:42,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:42,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:42,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:42,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:56:42,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:56:42,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:56:42,754 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:56:42,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:42,758 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:56:42,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:56:42,758 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:56:42,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:56:42,758 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:56:42,758 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:42,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:56:42,759 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:56:42,759 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product31.cil.c_Iteration1_Loop [2023-11-19 07:56:42,759 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:56:42,759 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:56:42,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:56:42,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:56:42,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:56:42,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:56:42,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:56:42,851 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:56:42,855 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:56:42,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:42,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:42,859 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:42,862 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 [2023-11-19 07:56:42,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:56:42,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:56:42,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:56:42,875 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:56:42,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:56:42,878 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:56:42,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:56:42,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:56:42,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:56:42,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:42,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:42,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:42,911 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:42,923 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 [2023-11-19 07:56:42,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:56:42,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:56:42,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:56:42,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:56:42,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:56:42,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:56:42,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:56:42,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:56:42,954 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:56:42,957 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:56:42,957 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:56:42,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:42,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:42,995 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:43,007 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:56:43,007 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:56:43,008 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:56:43,008 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2023-11-19 07:56:43,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:56:43,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:43,034 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:56:43,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:43,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:56:43,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:56:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:43,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:56:43,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:56:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:43,431 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-19 07:56:43,435 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 630 states, 629 states have (on average 1.670906200317965) internal successors, (1051), 629 states have internal predecessors, (1051), 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 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2023-11-19 07:56:43,676 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 630 states, 629 states have (on average 1.670906200317965) internal successors, (1051), 629 states have internal predecessors, (1051), 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 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 1588 states and 2633 transitions. Complement of second has 8 states. [2023-11-19 07:56:43,679 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 [2023-11-19 07:56:43,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2023-11-19 07:56:43,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1642 transitions. [2023-11-19 07:56:43,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1642 transitions. Stem has 25 letters. Loop has 6 letters. [2023-11-19 07:56:43,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:56:43,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1642 transitions. Stem has 31 letters. Loop has 6 letters. [2023-11-19 07:56:43,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:56:43,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1642 transitions. Stem has 25 letters. Loop has 12 letters. [2023-11-19 07:56:43,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:56:43,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1588 states and 2633 transitions. [2023-11-19 07:56:43,746 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:56:43,749 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1588 states to 0 states and 0 transitions. [2023-11-19 07:56:43,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:56:43,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:56:43,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:56:43,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:43,755 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:56:43,755 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:56:43,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:43,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:43,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:56:43,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:56:43,763 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:43,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:43,765 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-11-19 07:56:43,766 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-11-19 07:56:43,766 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:56:43,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:56:43,767 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:56:43,767 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:56:43,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:56:43,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:43,767 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:56:43,767 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:56:43,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:56:43,769 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:56:43,771 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:56:43,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:56:43,771 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:56:43,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:56:43,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:56:43 BoogieIcfgContainer [2023-11-19 07:56:43,779 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:56:43,779 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:56:43,779 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:56:43,779 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:56:43,780 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:41" (3/4) ... [2023-11-19 07:56:43,781 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:56:43,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:56:43,784 INFO L158 Benchmark]: Toolchain (without parser) took 5972.39ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 108.7MB in the beginning and 162.3MB in the end (delta: -53.6MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-19 07:56:43,785 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory was 78.1MB in the beginning and 78.0MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:56:43,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1007.85ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 94.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:56:43,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 232.48ms. Allocated memory is still 155.2MB. Free memory was 94.4MB in the beginning and 82.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:56:43,793 INFO L158 Benchmark]: Boogie Preprocessor took 180.07ms. Allocated memory is still 155.2MB. Free memory was 82.2MB in the beginning and 73.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:56:43,794 INFO L158 Benchmark]: RCFGBuilder took 2239.83ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 73.4MB in the beginning and 134.9MB in the end (delta: -61.5MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-11-19 07:56:43,794 INFO L158 Benchmark]: BuchiAutomizer took 2302.34ms. Allocated memory is still 218.1MB. Free memory was 134.9MB in the beginning and 163.4MB in the end (delta: -28.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:56:43,795 INFO L158 Benchmark]: Witness Printer took 3.38ms. Allocated memory is still 218.1MB. Free memory was 163.4MB in the beginning and 162.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:56:43,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory was 78.1MB in the beginning and 78.0MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1007.85ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 94.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 232.48ms. Allocated memory is still 155.2MB. Free memory was 94.4MB in the beginning and 82.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 180.07ms. Allocated memory is still 155.2MB. Free memory was 82.2MB in the beginning and 73.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2239.83ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 73.4MB in the beginning and 134.9MB in the end (delta: -61.5MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2302.34ms. Allocated memory is still 218.1MB. Free memory was 134.9MB in the beginning and 163.4MB in the end (delta: -28.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.38ms. Allocated memory is still 218.1MB. Free memory was 163.4MB in the beginning and 162.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] - GenericResultAtLocation [Line: 66]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [66] - GenericResultAtLocation [Line: 225]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [225] - GenericResultAtLocation [Line: 1305]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1305] - GenericResultAtLocation [Line: 1314]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1314] - GenericResultAtLocation [Line: 1680]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1680] - GenericResultAtLocation [Line: 1905]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1905] - GenericResultAtLocation [Line: 2190]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2190] - GenericResultAtLocation [Line: 2554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2554] - GenericResultAtLocation [Line: 2600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2600] - GenericResultAtLocation [Line: 2997]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2997] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-2 * splverifierCounter) + 7) and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1041 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1040 mSDsluCounter, 3000 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1960 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1040 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 07:56:43,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e48a3d-a258-4a01-9a24-f11455c6836a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE