./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ceaa95778492e3bc285d343b26b58125dae05b4d97d6b8fbdf100b65fa491c48 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:34:49,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:34:49,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 22:34:49,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:34:49,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:34:49,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:34:49,854 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:34:49,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:34:49,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:34:49,854 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:34:49,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:34:49,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:34:49,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:34:49,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:34:49,855 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:34:49,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:34:49,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:34:49,857 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:34:49,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:34:49,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:34:49,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:34:49,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:34:49,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:34:49,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:34:49,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:34:49,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:34:49,860 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:34:49,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:34:49,860 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:34:49,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:49,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:49,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:49,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:49,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:34:49,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:49,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:49,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:49,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:49,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:34:49,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:34:49,862 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:34:49,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:34:49,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:34:49,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:34:49,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:34:49,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:34:49,863 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:34:49,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:34:49,863 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC 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(G ! call(reach_error())) ) 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 -> ceaa95778492e3bc285d343b26b58125dae05b4d97d6b8fbdf100b65fa491c48 [2024-11-23 22:34:50,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:34:50,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:34:50,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:34:50,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:34:50,230 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:34:50,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2024-11-23 22:34:53,215 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/data/5953fa6bd/79c1ae4798874424989d099165495540/FLAG042dea7a8 [2024-11-23 22:34:53,631 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:34:53,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2024-11-23 22:34:53,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/data/5953fa6bd/79c1ae4798874424989d099165495540/FLAG042dea7a8 [2024-11-23 22:34:53,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/data/5953fa6bd/79c1ae4798874424989d099165495540 [2024-11-23 22:34:53,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:34:53,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:34:53,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:34:53,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:34:53,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:34:53,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:53" (1/1) ... [2024-11-23 22:34:53,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58347240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:53, skipping insertion in model container [2024-11-23 22:34:53,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:53" (1/1) ... [2024-11-23 22:34:53,759 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:34:54,223 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c[19915,19928] [2024-11-23 22:34:54,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:34:54,442 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:34:54,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-23 22:34:54,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [202] [2024-11-23 22:34:54,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [394] [2024-11-23 22:34:54,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [429] [2024-11-23 22:34:54,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [841] [2024-11-23 22:34:54,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [1003] [2024-11-23 22:34:54,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1024] [2024-11-23 22:34:54,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1033] [2024-11-23 22:34:54,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1050] [2024-11-23 22:34:54,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1416] [2024-11-23 22:34:54,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2491] [2024-11-23 22:34:54,530 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c[19915,19928] [2024-11-23 22:34:54,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:34:54,661 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:34:54,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54 WrapperNode [2024-11-23 22:34:54,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:34:54,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:34:54,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:34:54,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:34:54,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,735 INFO L138 Inliner]: procedures = 107, calls = 113, calls flagged for inlining = 35, calls inlined = 27, statements flattened = 525 [2024-11-23 22:34:54,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:34:54,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:34:54,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:34:54,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:34:54,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,750 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,778 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]. [2024-11-23 22:34:54,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,792 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:34:54,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:34:54,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:34:54,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:34:54,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:54,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:34:54,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:34:54,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:34:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-23 22:34:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-23 22:34:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-23 22:34:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-23 22:34:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-23 22:34:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-23 22:34:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-23 22:34:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-23 22:34:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-23 22:34:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-23 22:34:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:34:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-23 22:34:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-23 22:34:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-23 22:34:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-23 22:34:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-23 22:34:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-23 22:34:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:34:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:34:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:34:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:34:55,118 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:34:55,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:34:55,711 INFO L? ?]: Removed 153 outVars from TransFormulas that were not future-live. [2024-11-23 22:34:55,712 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:34:55,730 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:34:55,730 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:34:55,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:55 BoogieIcfgContainer [2024-11-23 22:34:55,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:34:55,736 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:34:55,736 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:34:55,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:34:55,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:34:53" (1/3) ... [2024-11-23 22:34:55,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759db332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:34:55, skipping insertion in model container [2024-11-23 22:34:55,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (2/3) ... [2024-11-23 22:34:55,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759db332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:34:55, skipping insertion in model container [2024-11-23 22:34:55,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:55" (3/3) ... [2024-11-23 22:34:55,745 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2024-11-23 22:34:55,762 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:34:55,764 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product03.cil.c that has 9 procedures, 126 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:34:55,841 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:34:55,854 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@295a066d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:34:55,855 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:34:55,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 103 states have (on average 1.4854368932038835) internal successors, (153), 105 states have internal predecessors, (153), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-23 22:34:55,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-23 22:34:55,869 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:55,870 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:55,871 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:34:55,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:55,878 INFO L85 PathProgramCache]: Analyzing trace with hash -906480270, now seen corresponding path program 1 times [2024-11-23 22:34:55,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:55,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022112375] [2024-11-23 22:34:55,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:55,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:56,657 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 22:34:56,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:56,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022112375] [2024-11-23 22:34:56,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022112375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:34:56,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958913810] [2024-11-23 22:34:56,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:56,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:34:56,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:34:56,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:34:56,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:34:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:57,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:34:57,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:34:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-23 22:34:57,083 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:34:57,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958913810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:57,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:34:57,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-23 22:34:57,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989394207] [2024-11-23 22:34:57,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:57,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:34:57,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:57,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:34:57,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:34:57,118 INFO L87 Difference]: Start difference. First operand has 126 states, 103 states have (on average 1.4854368932038835) internal successors, (153), 105 states have internal predecessors, (153), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 22:34:57,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:57,165 INFO L93 Difference]: Finished difference Result 205 states and 283 transitions. [2024-11-23 22:34:57,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:34:57,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2024-11-23 22:34:57,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:57,176 INFO L225 Difference]: With dead ends: 205 [2024-11-23 22:34:57,176 INFO L226 Difference]: Without dead ends: 121 [2024-11-23 22:34:57,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:34:57,183 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 1 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:34:57,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 343 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:57,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-23 22:34:57,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-23 22:34:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 98 states have (on average 1.4591836734693877) internal successors, (143), 99 states have internal predecessors, (143), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 22:34:57,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2024-11-23 22:34:57,241 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 69 [2024-11-23 22:34:57,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:57,242 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2024-11-23 22:34:57,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 22:34:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2024-11-23 22:34:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-23 22:34:57,246 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:57,246 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:57,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 22:34:57,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 22:34:57,447 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:34:57,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:57,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1875322279, now seen corresponding path program 1 times [2024-11-23 22:34:57,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:57,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69931517] [2024-11-23 22:34:57,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:57,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-23 22:34:57,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:57,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69931517] [2024-11-23 22:34:57,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69931517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:34:57,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945121726] [2024-11-23 22:34:57,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:57,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:34:57,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:34:57,811 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:34:57,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:34:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:58,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 22:34:58,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:34:58,221 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 22:34:58,221 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:34:58,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945121726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:58,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:34:58,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-23 22:34:58,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513344502] [2024-11-23 22:34:58,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:58,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:34:58,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:58,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:34:58,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:34:58,228 INFO L87 Difference]: Start difference. First operand 120 states and 168 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-23 22:34:58,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:58,340 INFO L93 Difference]: Finished difference Result 233 states and 329 transitions. [2024-11-23 22:34:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:34:58,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 73 [2024-11-23 22:34:58,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:58,347 INFO L225 Difference]: With dead ends: 233 [2024-11-23 22:34:58,349 INFO L226 Difference]: Without dead ends: 122 [2024-11-23 22:34:58,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:34:58,351 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 2 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:34:58,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 625 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:34:58,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-23 22:34:58,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-23 22:34:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 99 states have (on average 1.4545454545454546) internal successors, (144), 101 states have internal predecessors, (144), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2024-11-23 22:34:58,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 171 transitions. [2024-11-23 22:34:58,377 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 171 transitions. Word has length 73 [2024-11-23 22:34:58,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:58,377 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 171 transitions. [2024-11-23 22:34:58,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-23 22:34:58,378 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 171 transitions. [2024-11-23 22:34:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-23 22:34:58,383 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:58,383 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:58,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 22:34:58,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-23 22:34:58,584 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:34:58,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:58,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1070268694, now seen corresponding path program 1 times [2024-11-23 22:34:58,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:58,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931717452] [2024-11-23 22:34:58,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:58,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-23 22:34:58,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:58,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931717452] [2024-11-23 22:34:58,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931717452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:58,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:58,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:34:58,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443228073] [2024-11-23 22:34:58,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:58,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:34:58,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:58,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:34:58,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:34:58,820 INFO L87 Difference]: Start difference. First operand 122 states and 171 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-23 22:34:58,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:58,883 INFO L93 Difference]: Finished difference Result 225 states and 317 transitions. [2024-11-23 22:34:58,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:34:58,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 74 [2024-11-23 22:34:58,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:58,886 INFO L225 Difference]: With dead ends: 225 [2024-11-23 22:34:58,886 INFO L226 Difference]: Without dead ends: 122 [2024-11-23 22:34:58,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:34:58,888 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 2 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:34:58,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 629 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:58,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-23 22:34:58,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-23 22:34:58,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 99 states have (on average 1.4545454545454546) internal successors, (144), 101 states have internal predecessors, (144), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-23 22:34:58,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 170 transitions. [2024-11-23 22:34:58,904 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 170 transitions. Word has length 74 [2024-11-23 22:34:58,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:58,904 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 170 transitions. [2024-11-23 22:34:58,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-23 22:34:58,904 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 170 transitions. [2024-11-23 22:34:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-23 22:34:58,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:58,906 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:58,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:34:58,906 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:34:58,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:58,907 INFO L85 PathProgramCache]: Analyzing trace with hash 135793661, now seen corresponding path program 2 times [2024-11-23 22:34:58,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:58,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86954318] [2024-11-23 22:34:58,907 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 22:34:58,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:58,946 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 22:34:58,946 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 22:34:59,136 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-23 22:34:59,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:59,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86954318] [2024-11-23 22:34:59,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86954318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:59,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:59,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 22:34:59,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60010741] [2024-11-23 22:34:59,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:59,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:34:59,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:59,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:34:59,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:34:59,140 INFO L87 Difference]: Start difference. First operand 122 states and 170 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:34:59,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:59,197 INFO L93 Difference]: Finished difference Result 122 states and 170 transitions. [2024-11-23 22:34:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:34:59,199 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 75 [2024-11-23 22:34:59,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:59,200 INFO L225 Difference]: With dead ends: 122 [2024-11-23 22:34:59,200 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 22:34:59,200 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:34:59,201 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:34:59,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 957 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:59,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 22:34:59,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 22:34:59,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-23 22:34:59,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 22:34:59,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2024-11-23 22:34:59,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:59,205 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:34:59,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:34:59,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 22:34:59,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 22:34:59,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 22:34:59,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:34:59,213 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-11-23 22:34:59,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 22:34:59,260 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:34:59,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:34:59 BoogieIcfgContainer [2024-11-23 22:34:59,274 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:34:59,275 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:34:59,275 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:34:59,275 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:34:59,276 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:55" (3/4) ... [2024-11-23 22:34:59,281 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:34:59,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2024-11-23 22:34:59,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2024-11-23 22:34:59,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2024-11-23 22:34:59,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2024-11-23 22:34:59,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2024-11-23 22:34:59,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2024-11-23 22:34:59,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2024-11-23 22:34:59,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2024-11-23 22:34:59,302 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2024-11-23 22:34:59,303 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-23 22:34:59,304 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-23 22:34:59,305 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 22:34:59,305 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:34:59,306 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:34:59,440 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:34:59,441 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:34:59,441 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:34:59,443 INFO L158 Benchmark]: Toolchain (without parser) took 5755.53ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 43.0MB in the end (delta: 59.2MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2024-11-23 22:34:59,443 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 82.7MB in the end (delta: 293.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:34:59,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 974.34ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 67.5MB in the end (delta: 34.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 22:34:59,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.88ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 64.0MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:34:59,445 INFO L158 Benchmark]: Boogie Preprocessor took 81.67ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 60.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:34:59,445 INFO L158 Benchmark]: RCFGBuilder took 912.49ms. Allocated memory is still 142.6MB. Free memory was 60.6MB in the beginning and 79.1MB in the end (delta: -18.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-11-23 22:34:59,445 INFO L158 Benchmark]: TraceAbstraction took 3538.57ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 52.6MB in the end (delta: 25.9MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-23 22:34:59,445 INFO L158 Benchmark]: Witness Printer took 166.12ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 43.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:34:59,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 82.7MB in the end (delta: 293.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 974.34ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 67.5MB in the end (delta: 34.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.88ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 64.0MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.67ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 60.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 912.49ms. Allocated memory is still 142.6MB. Free memory was 60.6MB in the beginning and 79.1MB in the end (delta: -18.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3538.57ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 52.6MB in the end (delta: 25.9MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Witness Printer took 166.12ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 43.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. 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,"scenario.i","") [202] - GenericResultAtLocation [Line: 394]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [394] - GenericResultAtLocation [Line: 429]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [429] - GenericResultAtLocation [Line: 841]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [841] - GenericResultAtLocation [Line: 1003]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [1003] - GenericResultAtLocation [Line: 1024]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1024] - GenericResultAtLocation [Line: 1033]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1033] - GenericResultAtLocation [Line: 1050]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1050] - GenericResultAtLocation [Line: 1416]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1416] - GenericResultAtLocation [Line: 2491]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2491] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1029]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 2554 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1901 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 653 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 433 NumberOfCodeBlocks, 400 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 427 ConstructedInterpolants, 0 QuantifiedInterpolants, 475 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1518 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 95/101 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 22:34:59,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956fb86f-ab30-49bf-830a-0d55bd49e040/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE