./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b 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_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:30:53,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:30:53,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:30:53,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:30:53,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:30:53,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:30:53,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:30:53,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:30:53,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:30:53,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:30:53,700 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:30:53,700 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:30:53,701 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:30:53,702 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:30:53,702 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:30:53,703 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:30:53,704 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:30:53,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:30:53,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:30:53,705 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:30:53,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:30:53,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:30:53,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:30:53,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:30:53,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:30:53,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:30:53,709 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:30:53,710 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:30:53,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:30:53,711 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:30:53,711 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:30:53,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:30:53,712 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:30:53,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:30:53,713 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:30:53,714 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:30:53,715 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_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a [2023-11-06 22:30:53,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:30:54,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:30:54,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:30:54,009 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:30:54,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:30:54,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2023-11-06 22:30:57,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:30:57,471 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:30:57,472 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2023-11-06 22:30:57,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/data/a8b00a0f2/57ce11f6861a4241afcf669b48af480f/FLAGdbc4b1468 [2023-11-06 22:30:57,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/data/a8b00a0f2/57ce11f6861a4241afcf669b48af480f [2023-11-06 22:30:57,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:30:57,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:30:57,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:30:57,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:30:57,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:30:57,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:30:57" (1/1) ... [2023-11-06 22:30:57,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714e4cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:57, skipping insertion in model container [2023-11-06 22:30:57,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:30:57" (1/1) ... [2023-11-06 22:30:57,635 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:30:58,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:30:58,289 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:30:58,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2023-11-06 22:30:58,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [202] [2023-11-06 22:30:58,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [211] [2023-11-06 22:30:58,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [403] [2023-11-06 22:30:58,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [815] [2023-11-06 22:30:58,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1181] [2023-11-06 22:30:58,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1201] [2023-11-06 22:30:58,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2279] [2023-11-06 22:30:58,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2435] [2023-11-06 22:30:58,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2452] [2023-11-06 22:30:58,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2515] [2023-11-06 22:30:58,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:30:58,505 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:30:58,514 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:30:58,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:58 WrapperNode [2023-11-06 22:30:58,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:30:58,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:30:58,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:30:58,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:30:58,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:58" (1/1) ... [2023-11-06 22:30:58,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:58" (1/1) ... [2023-11-06 22:30:58,648 INFO L138 Inliner]: procedures = 107, calls = 126, calls flagged for inlining = 55, calls inlined = 65, statements flattened = 889 [2023-11-06 22:30:58,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:30:58,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:30:58,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:30:58,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:30:58,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:58" (1/1) ... [2023-11-06 22:30:58,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:58" (1/1) ... [2023-11-06 22:30:58,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:58" (1/1) ... [2023-11-06 22:30:58,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:58" (1/1) ... [2023-11-06 22:30:58,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:58" (1/1) ... [2023-11-06 22:30:58,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:58" (1/1) ... [2023-11-06 22:30:58,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:58" (1/1) ... [2023-11-06 22:30:58,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:58" (1/1) ... [2023-11-06 22:30:58,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:30:58,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:30:58,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:30:58,716 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:30:58,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:58" (1/1) ... [2023-11-06 22:30:58,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:58,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:58,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:58,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:30:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-06 22:30:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:30:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:30:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:30:58,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:30:58,994 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:30:58,996 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:30:59,641 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:30:59,658 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:30:59,658 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:30:59,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:59 BoogieIcfgContainer [2023-11-06 22:30:59,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:30:59,663 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:30:59,663 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:30:59,667 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:30:59,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:30:59,669 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:30:57" (1/3) ... [2023-11-06 22:30:59,670 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1928d560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:30:59, skipping insertion in model container [2023-11-06 22:30:59,671 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:30:59,671 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:58" (2/3) ... [2023-11-06 22:30:59,673 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1928d560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:30:59, skipping insertion in model container [2023-11-06 22:30:59,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:30:59,674 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:59" (3/3) ... [2023-11-06 22:30:59,676 INFO L332 chiAutomizerObserver]: Analyzing ICFG email_spec0_product05.cil.c [2023-11-06 22:30:59,733 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:30:59,733 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:30:59,733 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:30:59,734 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:30:59,734 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:30:59,734 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:30:59,734 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:30:59,734 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:30:59,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.5389610389610389) internal successors, (237), 154 states have internal predecessors, (237), 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) [2023-11-06 22:30:59,772 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2023-11-06 22:30:59,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:30:59,772 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:30:59,783 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:59,783 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:30:59,783 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:30:59,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.5389610389610389) internal successors, (237), 154 states have internal predecessors, (237), 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) [2023-11-06 22:30:59,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2023-11-06 22:30:59,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:30:59,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:30:59,796 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:59,796 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:30:59,803 INFO L748 eck$LassoCheckResult]: Stem: 33#$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(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(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(16, 21);call #Ultimate.allocInit(10, 22);call #Ultimate.allocInit(16, 23);call #Ultimate.allocInit(21, 24);call #Ultimate.allocInit(4, 25);call write~init~int(37, 25, 0, 1);call write~init~int(115, 25, 1, 1);call write~init~int(10, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(10, 26);call #Ultimate.allocInit(12, 27);call #Ultimate.allocInit(10, 28);call #Ultimate.allocInit(18, 29);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_#t~nondet12#1;main_~retValue_acc~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 26#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 123#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~41#1;havoc valid_product_~retValue_acc~41#1;valid_product_~retValue_acc~41#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~41#1; 106#valid_product_returnLabel#1true main_#t~ret13#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~41#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1; 115#L181true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet9#1, setup_#t~nondet10#1, setup_#t~nondet11#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_tmp3~0#1.base, setup_~__cil_tmp3~0#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_tmp3~0#1.base, setup_~__cil_tmp3~0#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; 103#L2263true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 58#L2269-2true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 126#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~nondet9#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; 150#L2263-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 85#L2269-5true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 119#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~nondet10#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; 143#L2263-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 25#L2269-8true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 46#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_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset := 8, 0;havoc setup_#t~nondet11#1; 82#setup_returnLabel#1true havoc setup_#t~nondet9#1, setup_#t~nondet10#1, setup_#t~nondet11#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_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset;assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#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~2#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 76#L376-1true [2023-11-06 22:30:59,804 INFO L750 eck$LassoCheckResult]: Loop: 76#L376-1true assume !false; 60#L252true assume test_~splverifierCounter~0#1 < 4; 102#L253true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 81#L259true assume 0 == test_~op1~0#1;havoc test_#t~nondet14#1;test_~tmp___9~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 145#L263true assume 0 != test_~tmp___9~0#1;test_~op1~0#1 := 1; 76#L376-1true [2023-11-06 22:30:59,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:59,810 INFO L85 PathProgramCache]: Analyzing trace with hash -546462003, now seen corresponding path program 1 times [2023-11-06 22:30:59,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:59,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30975526] [2023-11-06 22:30:59,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:59,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:00,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:00,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:00,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30975526] [2023-11-06 22:31:00,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30975526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:00,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:00,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:31:00,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879363227] [2023-11-06 22:31:00,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:00,330 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:31:00,332 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:00,332 INFO L85 PathProgramCache]: Analyzing trace with hash 107009368, now seen corresponding path program 1 times [2023-11-06 22:31:00,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:00,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930011559] [2023-11-06 22:31:00,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:00,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:31:00,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:31:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:31:00,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:31:00,445 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:31:00,445 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:31:00,446 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:31:00,446 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:31:00,446 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:31:00,446 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:31:00,446 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:31:00,446 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:31:00,447 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration1_Loop [2023-11-06 22:31:00,447 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:31:00,447 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:31:00,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:31:00,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:31:00,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:31:00,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:31:00,547 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:31:00,548 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:31:00,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:31:00,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:00,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:31:00,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:31:00,572 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:31:00,574 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:31:00,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:31:00,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:31:00,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:00,608 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:31:00,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:31:00,617 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:31:00,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:31:00,655 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:31:00,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:31:00,664 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:31:00,664 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:31:00,664 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:31:00,664 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:31:00,664 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:31:00,665 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:31:00,665 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:31:00,665 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:31:00,665 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration1_Loop [2023-11-06 22:31:00,665 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:31:00,665 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:31:00,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:31:00,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:31:00,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:31:00,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:31:00,745 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:31:00,751 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:31:00,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:31:00,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:00,754 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:31:00,766 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 [2023-11-06 22:31:00,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:31:00,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:31:00,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:31:00,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:31:00,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:31:00,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:31:00,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:31:00,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:31:00,796 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:31:00,823 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 22:31:00,823 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:31:00,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:31:00,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:00,861 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:31:00,863 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:31:00,863 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:31:00,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:31:00,864 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:31:00,865 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 [] [2023-11-06 22:31:00,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:31:00,877 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:31:00,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:01,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:31:01,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:01,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:31:01,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:01,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:01,226 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 [2023-11-06 22:31:01,229 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 155 states, 154 states have (on average 1.5389610389610389) internal successors, (237), 154 states have internal predecessors, (237), 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) [2023-11-06 22:31:01,363 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 155 states, 154 states have (on average 1.5389610389610389) internal successors, (237), 154 states have internal predecessors, (237), 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 385 states and 583 transitions. Complement of second has 8 states. [2023-11-06 22:31:01,367 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 [2023-11-06 22:31:01,373 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) [2023-11-06 22:31:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 382 transitions. [2023-11-06 22:31:01,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 382 transitions. Stem has 16 letters. Loop has 5 letters. [2023-11-06 22:31:01,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:31:01,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 382 transitions. Stem has 21 letters. Loop has 5 letters. [2023-11-06 22:31:01,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:31:01,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 382 transitions. Stem has 16 letters. Loop has 10 letters. [2023-11-06 22:31:01,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:31:01,383 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 385 states and 583 transitions. [2023-11-06 22:31:01,445 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:31:01,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:31:01,452 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 385 states to 0 states and 0 transitions. [2023-11-06 22:31:01,453 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:31:01,453 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:31:01,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:31:01,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:31:01,454 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:31:01,455 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:31:01,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:01,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:31:01,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:31:01,460 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) [2023-11-06 22:31:01,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:01,463 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-11-06 22:31:01,463 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-11-06 22:31:01,463 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:31:01,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:31:01,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:31:01,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:31:01,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:31:01,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:31:01,464 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:31:01,464 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:31:01,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:31:01,465 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:31:01,465 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:31:01,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:31:01,466 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:31:01,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:31:01,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:31:01 BoogieIcfgContainer [2023-11-06 22:31:01,474 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:31:01,475 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:31:01,475 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:31:01,476 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:31:01,477 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:59" (3/4) ... [2023-11-06 22:31:01,480 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:31:01,481 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:31:01,482 INFO L158 Benchmark]: Toolchain (without parser) took 3956.41ms. Allocated memory is still 180.4MB. Free memory was 138.8MB in the beginning and 139.2MB in the end (delta: -327.7kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2023-11-06 22:31:01,483 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 123.7MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:31:01,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 988.08ms. Allocated memory is still 180.4MB. Free memory was 138.8MB in the beginning and 102.1MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-06 22:31:01,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.95ms. Allocated memory is still 180.4MB. Free memory was 102.1MB in the beginning and 96.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:31:01,491 INFO L158 Benchmark]: Boogie Preprocessor took 59.68ms. Allocated memory is still 180.4MB. Free memory was 96.9MB in the beginning and 93.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:31:01,491 INFO L158 Benchmark]: RCFGBuilder took 946.86ms. Allocated memory is still 180.4MB. Free memory was 93.2MB in the beginning and 141.9MB in the end (delta: -48.7MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2023-11-06 22:31:01,493 INFO L158 Benchmark]: BuchiAutomizer took 1811.25ms. Allocated memory is still 180.4MB. Free memory was 141.9MB in the beginning and 140.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2023-11-06 22:31:01,493 INFO L158 Benchmark]: Witness Printer took 6.16ms. Allocated memory is still 180.4MB. Free memory was 140.2MB in the beginning and 139.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:31:01,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 123.7MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 988.08ms. Allocated memory is still 180.4MB. Free memory was 138.8MB in the beginning and 102.1MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.95ms. Allocated memory is still 180.4MB. Free memory was 102.1MB in the beginning and 96.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.68ms. Allocated memory is still 180.4MB. Free memory was 96.9MB in the beginning and 93.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 946.86ms. Allocated memory is still 180.4MB. Free memory was 93.2MB in the beginning and 141.9MB in the end (delta: -48.7MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1811.25ms. Allocated memory is still 180.4MB. Free memory was 141.9MB in the beginning and 140.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 6.16ms. Allocated memory is still 180.4MB. Free memory was 140.2MB in the beginning and 139.2MB in the end (delta: 1.0MB). 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,"Test.i","") [48] - GenericResultAtLocation [Line: 202]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [202] - GenericResultAtLocation [Line: 211]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [211] - GenericResultAtLocation [Line: 403]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [403] - GenericResultAtLocation [Line: 815]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [815] - GenericResultAtLocation [Line: 1181]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1181] - GenericResultAtLocation [Line: 1201]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1201] - GenericResultAtLocation [Line: 2279]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2279] - GenericResultAtLocation [Line: 2435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2435] - GenericResultAtLocation [Line: 2452]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2452] - GenericResultAtLocation [Line: 2515]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2515] * 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 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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, 226 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 225 mSDsluCounter, 606 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 380 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 226 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: 111ms 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! [2023-11-06 22:31:01,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6585399-ace1-4dc4-a04b-a92a5a4c4964/bin/uautomizer-verify-WvqO1wxjHP/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