./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx --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 ca488828ecb96ea32a61c8f7cc33f9cc148887f4e62691829b51b0a2976db03e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:48,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:48,986 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:25:48,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:49,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:49,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:49,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:49,054 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:49,055 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:25:49,062 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:25:49,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:49,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:49,064 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:49,067 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:25:49,068 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:25:49,068 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:25:49,069 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:25:49,070 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:25:49,070 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:25:49,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:49,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:25:49,073 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:25:49,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:25:49,074 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:25:49,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:49,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:25:49,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:25:49,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:25:49,078 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:25:49,078 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:25:49,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:25:49,081 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:25:49,081 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:49,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:49,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:49,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:49,083 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:25:49,084 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:25:49,084 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_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca488828ecb96ea32a61c8f7cc33f9cc148887f4e62691829b51b0a2976db03e [2023-11-21 22:25:49,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:49,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:49,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:49,497 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:49,498 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:49,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2023-11-21 22:25:53,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:53,391 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:53,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2023-11-21 22:25:53,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/data/32564b523/d0acb37ed651439792685d3a39295cfd/FLAGe8ea14dbf [2023-11-21 22:25:53,440 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/data/32564b523/d0acb37ed651439792685d3a39295cfd [2023-11-21 22:25:53,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:53,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:53,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:53,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:53,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:53,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6a817c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:53, skipping insertion in model container [2023-11-21 22:25:53,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:53" (1/1) ... [2023-11-21 22:25:53,562 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:54,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:54,157 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:54,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2023-11-21 22:25:54,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [460] [2023-11-21 22:25:54,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1540] [2023-11-21 22:25:54,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1706] [2023-11-21 22:25:54,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1910] [2023-11-21 22:25:54,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1975] [2023-11-21 22:25:54,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2010] [2023-11-21 22:25:54,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2205] [2023-11-21 22:25:54,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2214] [2023-11-21 22:25:54,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2580] [2023-11-21 22:25:54,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2599] [2023-11-21 22:25:54,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:54,329 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:25:54,336 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:54,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54 WrapperNode [2023-11-21 22:25:54,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:54,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:54,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:54,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:54,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54" (1/1) ... [2023-11-21 22:25:54,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54" (1/1) ... [2023-11-21 22:25:54,493 INFO L138 Inliner]: procedures = 110, calls = 145, calls flagged for inlining = 70, calls inlined = 146, statements flattened = 1925 [2023-11-21 22:25:54,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:54,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:54,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:54,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:54,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54" (1/1) ... [2023-11-21 22:25:54,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54" (1/1) ... [2023-11-21 22:25:54,516 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54" (1/1) ... [2023-11-21 22:25:54,570 INFO L187 HeapSplitter]: Split 6 memory accesses to 2 slices as follows [2, 4] [2023-11-21 22:25:54,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54" (1/1) ... [2023-11-21 22:25:54,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54" (1/1) ... [2023-11-21 22:25:54,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54" (1/1) ... [2023-11-21 22:25:54,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54" (1/1) ... [2023-11-21 22:25:54,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54" (1/1) ... [2023-11-21 22:25:54,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54" (1/1) ... [2023-11-21 22:25:54,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:54,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:54,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:54,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:54,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54" (1/1) ... [2023-11-21 22:25:54,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:54,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:54,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:54,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-21 22:25:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:25:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:25:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:55,006 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:55,008 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:25:56,295 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:25:56,314 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:25:56,314 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:25:56,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:56 BoogieIcfgContainer [2023-11-21 22:25:56,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:25:56,318 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:25:56,318 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:25:56,322 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:25:56,323 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:25:56,323 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:25:53" (1/3) ... [2023-11-21 22:25:56,324 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c686930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:25:56, skipping insertion in model container [2023-11-21 22:25:56,324 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:25:56,324 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:54" (2/3) ... [2023-11-21 22:25:56,325 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c686930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:25:56, skipping insertion in model container [2023-11-21 22:25:56,325 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:25:56,325 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:56" (3/3) ... [2023-11-21 22:25:56,327 INFO L332 chiAutomizerObserver]: Analyzing ICFG email_spec11_product07.cil.c [2023-11-21 22:25:56,395 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:25:56,395 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:25:56,395 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:25:56,395 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:25:56,395 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:25:56,395 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:25:56,396 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:25:56,396 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:25:56,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 403 states, 402 states have (on average 1.6119402985074627) internal successors, (648), 402 states have internal predecessors, (648), 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) [2023-11-21 22:25:56,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2023-11-21 22:25:56,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:25:56,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:25:56,463 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:25:56,463 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 22:25:56,463 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:25:56,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 403 states, 402 states have (on average 1.6119402985074627) internal successors, (648), 402 states have internal predecessors, (648), 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) [2023-11-21 22:25:56,481 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2023-11-21 22:25:56,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:25:56,482 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:25:56,483 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:25:56,483 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 22:25:56,491 INFO L748 eck$LassoCheckResult]: Stem: 134#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(44, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(9, 7);call #Ultimate.allocInit(11, 8);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(34, 10);call #Ultimate.allocInit(30, 11);call #Ultimate.allocInit(16, 12);call #Ultimate.allocInit(22, 13);call #Ultimate.allocInit(10, 14);call #Ultimate.allocInit(12, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(18, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(21, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(21, 23);call #Ultimate.allocInit(30, 24);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(25, 26);call #Ultimate.allocInit(30, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(25, 29);call #Ultimate.allocInit(20, 30);call #Ultimate.allocInit(4, 31);call write~init~int#1(37, 31, 0, 1);call write~init~int#1(115, 31, 1, 1);call write~init~int#1(10, 31, 2, 1);call write~init~int#1(0, 31, 3, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 335#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~ret15#1, main_~retValue_acc~28#1, main_~tmp~3#1;havoc main_#t~nondet14#1;main_~retValue_acc~28#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 227#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 385#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~37#1;havoc valid_product_~retValue_acc~37#1;valid_product_~retValue_acc~37#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~37#1; 73#valid_product_returnLabel#1true main_#t~ret15#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~37#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret15#1;havoc main_#t~ret15#1; 66#L1672true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet11#1, setup_#t~nondet12#1, setup_#t~nondet13#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_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob_~bob___0#1, setup_bob_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 114#L1524true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 182#L1530-2true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 389#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 := 6, 0;havoc setup_#t~nondet11#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_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh_~rjh___0#1, setup_rjh_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 221#L1524-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 191#L1530-5true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 288#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 := 7, 0;havoc setup_#t~nondet12#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_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck_~chuck___0#1, setup_chuck_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 355#L1524-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 92#L1530-8true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 236#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_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 8, 0;havoc setup_#t~nondet13#1; 254#setup_returnLabel#1true havoc setup_#t~nondet11#1, setup_#t~nondet12#1, setup_#t~nondet13#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_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#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~12#1, test_~tmp___0~3#1, test_~tmp___1~3#1, test_~tmp___2~2#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~12#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~3#1;havoc test_~tmp___2~2#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; 83#L2178-1true [2023-11-21 22:25:56,491 INFO L750 eck$LassoCheckResult]: Loop: 83#L2178-1true assume !false; 244#L2051true assume test_~splverifierCounter~0#1 < 4; 146#L2052true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 96#L2058true assume 0 == test_~op1~0#1;havoc test_#t~nondet40#1;test_~tmp___9~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 301#L2062true assume 0 != test_~tmp___9~0#1;test_~op1~0#1 := 1; 83#L2178-1true [2023-11-21 22:25:56,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:56,498 INFO L85 PathProgramCache]: Analyzing trace with hash -546462003, now seen corresponding path program 1 times [2023-11-21 22:25:56,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:56,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686869613] [2023-11-21 22:25:56,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:56,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:25:56,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:25:56,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686869613] [2023-11-21 22:25:56,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686869613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:25:56,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:25:56,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:25:56,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674538053] [2023-11-21 22:25:56,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:25:57,001 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:25:57,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:57,002 INFO L85 PathProgramCache]: Analyzing trace with hash 107009368, now seen corresponding path program 1 times [2023-11-21 22:25:57,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:57,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409338836] [2023-11-21 22:25:57,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:57,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:57,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:25:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:57,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:25:57,130 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:25:57,131 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:25:57,131 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:25:57,132 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:25:57,132 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:25:57,132 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:57,133 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:25:57,133 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:25:57,133 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration1_Loop [2023-11-21 22:25:57,134 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:25:57,134 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:25:57,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:57,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:57,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:57,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:57,263 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:25:57,264 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:25:57,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:57,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:57,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:57,278 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:25:57,278 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:25:57,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:25:57,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:57,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:57,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:57,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:57,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:25:57,326 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:25:57,326 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:25:57,377 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:25:57,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:57,386 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:25:57,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:25:57,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:25:57,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:25:57,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:25:57,387 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:57,387 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:25:57,387 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:25:57,387 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration1_Loop [2023-11-21 22:25:57,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:25:57,387 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:25:57,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:57,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:57,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:57,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:25:57,449 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:25:57,454 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:25:57,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:57,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:57,461 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:57,469 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 [2023-11-21 22:25:57,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:25:57,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:25:57,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:25:57,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:25:57,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:25:57,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:25:57,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:25:57,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:25:57,497 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:25:57,502 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 22:25:57,502 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-21 22:25:57,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:25:57,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:57,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:57,565 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:25:57,566 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:25:57,566 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:25:57,567 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 [] [2023-11-21 22:25:57,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:25:57,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:57,592 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:25:57,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:57,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:57,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:25:57,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:25:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:57,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:25:57,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:25:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:25:57,977 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 [2023-11-21 22:25:57,980 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 403 states, 402 states have (on average 1.6119402985074627) internal successors, (648), 402 states have internal predecessors, (648), 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 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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) [2023-11-21 22:25:58,147 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 403 states, 402 states have (on average 1.6119402985074627) internal successors, (648), 402 states have internal predecessors, (648), 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 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 1069 states and 1713 transitions. Complement of second has 8 states. [2023-11-21 22:25:58,150 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 [2023-11-21 22:25:58,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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) [2023-11-21 22:25:58,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1113 transitions. [2023-11-21 22:25:58,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1113 transitions. Stem has 16 letters. Loop has 5 letters. [2023-11-21 22:25:58,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:25:58,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1113 transitions. Stem has 21 letters. Loop has 5 letters. [2023-11-21 22:25:58,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:25:58,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1113 transitions. Stem has 16 letters. Loop has 10 letters. [2023-11-21 22:25:58,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:25:58,162 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1069 states and 1713 transitions. [2023-11-21 22:25:58,179 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:25:58,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1069 states to 0 states and 0 transitions. [2023-11-21 22:25:58,182 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:25:58,182 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:25:58,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:25:58,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:25:58,183 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:25:58,184 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:25:58,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:25:58,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:25:58,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:25:58,189 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-21 22:25:58,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:25:58,192 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-11-21 22:25:58,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-11-21 22:25:58,192 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:25:58,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:25:58,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:25:58,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:25:58,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:25:58,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:25:58,193 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:25:58,193 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:25:58,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:25:58,195 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:25:58,195 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:25:58,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:25:58,195 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:25:58,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:25:58,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:25:58 BoogieIcfgContainer [2023-11-21 22:25:58,202 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:25:58,203 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:25:58,203 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:25:58,203 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:25:58,204 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:56" (3/4) ... [2023-11-21 22:25:58,205 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:25:58,206 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:25:58,207 INFO L158 Benchmark]: Toolchain (without parser) took 4757.37ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 98.4MB in the beginning and 102.4MB in the end (delta: -4.1MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:58,208 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:58,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 884.92ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 102.8MB in the end (delta: -4.4MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2023-11-21 22:25:58,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.07ms. Allocated memory is still 140.5MB. Free memory was 102.8MB in the beginning and 94.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 22:25:58,215 INFO L158 Benchmark]: Boogie Preprocessor took 217.03ms. Allocated memory is still 140.5MB. Free memory was 94.5MB in the beginning and 85.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:25:58,216 INFO L158 Benchmark]: RCFGBuilder took 1605.32ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 84.7MB in the beginning and 145.4MB in the end (delta: -60.8MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-11-21 22:25:58,217 INFO L158 Benchmark]: BuchiAutomizer took 1884.73ms. Allocated memory is still 190.8MB. Free memory was 144.4MB in the beginning and 102.4MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-21 22:25:58,217 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 190.8MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:58,224 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 884.92ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 102.8MB in the end (delta: -4.4MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 155.07ms. Allocated memory is still 140.5MB. Free memory was 102.8MB in the beginning and 94.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 217.03ms. Allocated memory is still 140.5MB. Free memory was 94.5MB in the beginning and 85.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1605.32ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 84.7MB in the beginning and 145.4MB in the end (delta: -60.8MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1884.73ms. Allocated memory is still 190.8MB. Free memory was 144.4MB in the beginning and 102.4MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 190.8MB. Free memory is still 102.4MB. There was no memory consumed. 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,"EmailLib.i","") [48] - GenericResultAtLocation [Line: 460]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [460] - GenericResultAtLocation [Line: 1540]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1540] - GenericResultAtLocation [Line: 1706]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1706] - GenericResultAtLocation [Line: 1910]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1910] - GenericResultAtLocation [Line: 1975]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1975] - GenericResultAtLocation [Line: 2010]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2010] - GenericResultAtLocation [Line: 2205]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2205] - GenericResultAtLocation [Line: 2214]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2214] - GenericResultAtLocation [Line: 2580]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2580] - GenericResultAtLocation [Line: 2599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2599] * 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 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. 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, 625 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 624 mSDsluCounter, 1803 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1178 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 625 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 110ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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! [2023-11-21 22:25:58,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35430fdb-dd29-458d-b4ee-4655ddd56970/bin/uautomizer-verify-bycVGegfSx/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