./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya --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 3b43506942a12950209750f07d771d1d388e9661c8c19f0364d898e10e246352 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:27:38,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:27:38,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 04:27:38,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:27:38,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:27:38,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:27:38,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:27:38,617 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:27:38,617 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:27:38,618 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:27:38,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:27:38,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:27:38,619 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:27:38,620 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 04:27:38,620 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 04:27:38,621 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 04:27:38,621 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 04:27:38,622 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 04:27:38,622 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 04:27:38,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:27:38,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 04:27:38,624 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:27:38,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:27:38,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:27:38,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:27:38,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 04:27:38,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 04:27:38,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 04:27:38,627 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:27:38,628 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:27:38,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:27:38,628 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 04:27:38,629 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:27:38,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:27:38,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:27:38,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:27:38,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:27:38,630 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 04:27:38,631 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_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b43506942a12950209750f07d771d1d388e9661c8c19f0364d898e10e246352 [2023-11-29 04:27:38,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:27:38,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:27:38,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:27:38,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:27:38,874 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:27:38,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/email_spec0_product09.cil.c [2023-11-29 04:27:41,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:27:41,826 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:27:41,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/sv-benchmarks/c/product-lines/email_spec0_product09.cil.c [2023-11-29 04:27:41,848 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/data/be9f48b8d/9339f1e1fe07449b88d9768354f3e3eb/FLAGc59498e83 [2023-11-29 04:27:41,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/data/be9f48b8d/9339f1e1fe07449b88d9768354f3e3eb [2023-11-29 04:27:41,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:27:41,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:27:41,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:27:41,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:27:41,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:27:41,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:27:41" (1/1) ... [2023-11-29 04:27:41,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15325f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:41, skipping insertion in model container [2023-11-29 04:27:41,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:27:41" (1/1) ... [2023-11-29 04:27:41,935 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:27:42,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:27:42,342 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:27:42,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2023-11-29 04:27:42,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [246] [2023-11-29 04:27:42,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [295] [2023-11-29 04:27:42,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [448] [2023-11-29 04:27:42,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [860] [2023-11-29 04:27:42,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1226] [2023-11-29 04:27:42,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2301] [2023-11-29 04:27:42,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2503] [2023-11-29 04:27:42,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2567] [2023-11-29 04:27:42,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2584] [2023-11-29 04:27:42,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2593] [2023-11-29 04:27:42,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:27:42,448 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:27:42,456 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:27:42,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42 WrapperNode [2023-11-29 04:27:42,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:27:42,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:27:42,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:27:42,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:27:42,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42" (1/1) ... [2023-11-29 04:27:42,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42" (1/1) ... [2023-11-29 04:27:42,555 INFO L138 Inliner]: procedures = 110, calls = 145, calls flagged for inlining = 70, calls inlined = 170, statements flattened = 2349 [2023-11-29 04:27:42,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:27:42,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:27:42,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:27:42,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:27:42,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42" (1/1) ... [2023-11-29 04:27:42,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42" (1/1) ... [2023-11-29 04:27:42,578 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42" (1/1) ... [2023-11-29 04:27:42,613 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 0 writes are split as follows [0, 0]. [2023-11-29 04:27:42,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42" (1/1) ... [2023-11-29 04:27:42,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42" (1/1) ... [2023-11-29 04:27:42,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42" (1/1) ... [2023-11-29 04:27:42,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42" (1/1) ... [2023-11-29 04:27:42,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42" (1/1) ... [2023-11-29 04:27:42,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42" (1/1) ... [2023-11-29 04:27:42,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:27:42,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:27:42,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:27:42,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:27:42,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42" (1/1) ... [2023-11-29 04:27:42,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:27:42,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:27:42,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:27:42,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 04:27:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-29 04:27:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:27:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:27:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 04:27:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:27:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:27:42,915 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:27:42,918 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:27:43,918 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:27:43,938 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:27:43,938 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:27:43,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:27:43 BoogieIcfgContainer [2023-11-29 04:27:43,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:27:43,941 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 04:27:43,941 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 04:27:43,945 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 04:27:43,946 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:27:43,946 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 04:27:41" (1/3) ... [2023-11-29 04:27:43,947 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40c7a1ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 04:27:43, skipping insertion in model container [2023-11-29 04:27:43,947 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:27:43,947 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:27:42" (2/3) ... [2023-11-29 04:27:43,948 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40c7a1ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 04:27:43, skipping insertion in model container [2023-11-29 04:27:43,948 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:27:43,948 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:27:43" (3/3) ... [2023-11-29 04:27:43,949 INFO L332 chiAutomizerObserver]: Analyzing ICFG email_spec0_product09.cil.c [2023-11-29 04:27:44,005 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 04:27:44,005 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 04:27:44,005 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 04:27:44,006 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 04:27:44,006 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 04:27:44,006 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 04:27:44,006 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 04:27:44,006 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 04:27:44,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 451 states, 450 states have (on average 1.6) internal successors, (720), 450 states have internal predecessors, (720), 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) [2023-11-29 04:27:44,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2023-11-29 04:27:44,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:27:44,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:27:44,062 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:27:44,062 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 04:27:44,063 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 04:27:44,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 451 states, 450 states have (on average 1.6) internal successors, (720), 450 states have internal predecessors, (720), 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) [2023-11-29 04:27:44,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2023-11-29 04:27:44,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:27:44,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:27:44,078 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:27:44,078 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 04:27:44,085 INFO L748 eck$LassoCheckResult]: Stem: 133#$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(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(10, 21);call #Ultimate.allocInit(34, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(21, 25);call #Ultimate.allocInit(10, 26);call #Ultimate.allocInit(12, 27);call #Ultimate.allocInit(10, 28);call #Ultimate.allocInit(18, 29);call #Ultimate.allocInit(4, 30);call write~init~int#1(37, 30, 0, 1);call write~init~int#1(115, 30, 1, 1);call write~init~int#1(10, 30, 2, 1);call write~init~int#1(0, 30, 3, 1);call #Ultimate.allocInit(16, 31);~__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; 358#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~ret27#1, main_~retValue_acc~2#1, main_~tmp~2#1;havoc main_#t~nondet26#1;main_~retValue_acc~2#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 232#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 417#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 76#valid_product_returnLabel#1true main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 435#L414true assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet23#1, setup_#t~nondet24#1, setup_#t~nondet25#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; 199#L2285true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 287#L2291-2true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 422#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~nondet23#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; 82#L2285-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 222#L2291-5true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 301#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~nondet24#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; 431#L2285-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 272#L2291-8true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 252#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~nondet25#1; 275#setup_returnLabel#1true havoc setup_#t~nondet23#1, setup_#t~nondet24#1, setup_#t~nondet25#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~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#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~0#1, test_~tmp___0~0#1, test_~tmp___1~0#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~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#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; 399#L219-1true [2023-11-29 04:27:44,085 INFO L750 eck$LassoCheckResult]: Loop: 399#L219-1true assume !false; 94#L92true assume test_~splverifierCounter~0#1 < 4; 242#L93true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 92#L99true assume 0 == test_~op1~0#1;havoc test_#t~nondet4#1;test_~tmp___9~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 432#L103true assume 0 != test_~tmp___9~0#1;test_~op1~0#1 := 1; 399#L219-1true [2023-11-29 04:27:44,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:27:44,091 INFO L85 PathProgramCache]: Analyzing trace with hash -546462003, now seen corresponding path program 1 times [2023-11-29 04:27:44,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:27:44,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803372758] [2023-11-29 04:27:44,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:27:44,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:27:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:27:44,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:27:44,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:27:44,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803372758] [2023-11-29 04:27:44,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803372758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:27:44,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:27:44,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:27:44,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75814450] [2023-11-29 04:27:44,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:27:44,448 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 04:27:44,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:27:44,449 INFO L85 PathProgramCache]: Analyzing trace with hash 107009368, now seen corresponding path program 1 times [2023-11-29 04:27:44,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:27:44,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663274472] [2023-11-29 04:27:44,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:27:44,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:27:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:27:44,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:27:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:27:44,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:27:44,535 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:27:44,535 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:27:44,535 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:27:44,535 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:27:44,536 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 04:27:44,536 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:27:44,536 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:27:44,536 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:27:44,536 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration1_Loop [2023-11-29 04:27:44,536 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:27:44,537 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:27:44,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:27:44,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:27:44,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:27:44,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:27:44,621 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:27:44,621 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 04:27:44,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:27:44,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:27:44,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:27:44,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 04:27:44,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:27:44,636 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:27:44,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:27:44,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:27:44,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:27:44,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:27:44,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 04:27:44,665 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:27:44,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:27:44,689 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 04:27:44,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 04:27:44,693 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:27:44,693 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:27:44,693 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:27:44,693 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:27:44,693 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 04:27:44,693 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:27:44,694 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:27:44,694 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:27:44,694 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration1_Loop [2023-11-29 04:27:44,694 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:27:44,694 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:27:44,695 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:27:44,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:27:44,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:27:44,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:27:44,750 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:27:44,754 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 04:27:44,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:27:44,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:27:44,757 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:27:44,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 04:27:44,760 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 [2023-11-29 04:27:44,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:27:44,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:27:44,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:27:44,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:27:44,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:27:44,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:27:44,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:27:44,779 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 04:27:44,784 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 04:27:44,784 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 04:27:44,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:27:44,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:27:44,820 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:27:44,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 04:27:44,825 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 04:27:44,825 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 04:27:44,826 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 04:27:44,826 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 [] [2023-11-29 04:27:44,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-29 04:27:44,832 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 04:27:44,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:27:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:27:44,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:27:44,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:27:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:27:45,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:27:45,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:27:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:27:45,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-29 04:27:45,154 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 [2023-11-29 04:27:45,157 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 451 states, 450 states have (on average 1.6) internal successors, (720), 450 states have internal predecessors, (720), 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) [2023-11-29 04:27:45,327 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 451 states, 450 states have (on average 1.6) internal successors, (720), 450 states have internal predecessors, (720), 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 1213 states and 1929 transitions. Complement of second has 8 states. [2023-11-29 04:27:45,329 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 [2023-11-29 04:27:45,334 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) [2023-11-29 04:27:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1257 transitions. [2023-11-29 04:27:45,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1257 transitions. Stem has 16 letters. Loop has 5 letters. [2023-11-29 04:27:45,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:27:45,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1257 transitions. Stem has 21 letters. Loop has 5 letters. [2023-11-29 04:27:45,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:27:45,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1257 transitions. Stem has 16 letters. Loop has 10 letters. [2023-11-29 04:27:45,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:27:45,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1213 states and 1929 transitions. [2023-11-29 04:27:45,359 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 04:27:45,362 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1213 states to 0 states and 0 transitions. [2023-11-29 04:27:45,363 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 04:27:45,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 04:27:45,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 04:27:45,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:27:45,364 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:27:45,364 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:27:45,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:27:45,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:27:45,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:27:45,369 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) [2023-11-29 04:27:45,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:27:45,372 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-11-29 04:27:45,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-11-29 04:27:45,372 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 04:27:45,373 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:27:45,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 04:27:45,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 04:27:45,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 04:27:45,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:27:45,374 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:27:45,374 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:27:45,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:27:45,375 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:27:45,375 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 04:27:45,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:27:45,375 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 04:27:45,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 04:27:45,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 04:27:45 BoogieIcfgContainer [2023-11-29 04:27:45,382 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 04:27:45,383 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:27:45,383 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:27:45,383 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:27:45,384 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:27:43" (3/4) ... [2023-11-29 04:27:45,385 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:27:45,386 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:27:45,387 INFO L158 Benchmark]: Toolchain (without parser) took 3526.09ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 118.6MB in the beginning and 147.6MB in the end (delta: -29.0MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-29 04:27:45,388 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:27:45,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.79ms. Allocated memory is still 161.5MB. Free memory was 118.6MB in the beginning and 103.3MB in the end (delta: 15.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:27:45,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.32ms. Allocated memory is still 161.5MB. Free memory was 103.3MB in the beginning and 94.2MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 04:27:45,390 INFO L158 Benchmark]: Boogie Preprocessor took 123.54ms. Allocated memory is still 161.5MB. Free memory was 94.2MB in the beginning and 83.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 04:27:45,390 INFO L158 Benchmark]: RCFGBuilder took 1259.90ms. Allocated memory is still 161.5MB. Free memory was 82.3MB in the beginning and 76.9MB in the end (delta: 5.4MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-29 04:27:45,391 INFO L158 Benchmark]: BuchiAutomizer took 1441.36ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 76.9MB in the beginning and 147.6MB in the end (delta: -70.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:27:45,391 INFO L158 Benchmark]: Witness Printer took 3.32ms. Allocated memory is still 218.1MB. Free memory is still 147.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:27:45,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.79ms. Allocated memory is still 161.5MB. Free memory was 118.6MB in the beginning and 103.3MB in the end (delta: 15.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.32ms. Allocated memory is still 161.5MB. Free memory was 103.3MB in the beginning and 94.2MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.54ms. Allocated memory is still 161.5MB. Free memory was 94.2MB in the beginning and 83.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1259.90ms. Allocated memory is still 161.5MB. Free memory was 82.3MB in the beginning and 76.9MB in the end (delta: 5.4MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1441.36ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 76.9MB in the beginning and 147.6MB in the end (delta: -70.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.32ms. Allocated memory is still 218.1MB. Free memory is still 147.6MB. 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,"scenario.i","") [48] - GenericResultAtLocation [Line: 246]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [246] - GenericResultAtLocation [Line: 295]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [295] - GenericResultAtLocation [Line: 448]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [448] - GenericResultAtLocation [Line: 860]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [860] - GenericResultAtLocation [Line: 1226]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1226] - GenericResultAtLocation [Line: 2301]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2301] - GenericResultAtLocation [Line: 2503]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2503] - GenericResultAtLocation [Line: 2567]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2567] - GenericResultAtLocation [Line: 2584]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2584] - GenericResultAtLocation [Line: 2593]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2593] * 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 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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, 698 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 697 mSDsluCounter, 2019 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1322 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 697 mSDtfsCounter, 8 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: 70ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 04:27:45,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d07bc33-d1da-499b-8d86-ffec918b3377/bin/uautomizer-verify-BQ2R08f2Ya/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