./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 00530584ceb95509e59a4223c6066e974815f5b40475a70fc9a47cceec3e0b2f --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 14:20:45,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 14:20:45,122 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 14:20:45,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 14:20:45,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 14:20:45,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 14:20:45,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 14:20:45,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 14:20:45,153 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 14:20:45,153 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 14:20:45,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 14:20:45,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 14:20:45,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 14:20:45,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 14:20:45,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 14:20:45,155 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 14:20:45,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 14:20:45,156 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 14:20:45,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 14:20:45,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:20:45,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 14:20:45,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 14:20:45,156 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 14:20:45,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 14:20:45,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 14:20:45,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 14:20:45,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 14:20:45,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 14:20:45,156 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 14:20:45,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 14:20:45,156 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 00530584ceb95509e59a4223c6066e974815f5b40475a70fc9a47cceec3e0b2f [2025-03-03 14:20:45,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 14:20:45,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 14:20:45,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 14:20:45,378 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 14:20:45,379 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 14:20:45,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c [2025-03-03 14:20:46,529 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e26d031/0aea5063a88c476f8db608e1cc479ca0/FLAGf7a557342 [2025-03-03 14:20:46,851 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 14:20:46,852 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product27.cil.c [2025-03-03 14:20:46,872 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e26d031/0aea5063a88c476f8db608e1cc479ca0/FLAGf7a557342 [2025-03-03 14:20:46,888 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e26d031/0aea5063a88c476f8db608e1cc479ca0 [2025-03-03 14:20:46,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 14:20:46,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 14:20:46,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 14:20:46,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 14:20:46,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 14:20:46,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:20:46" (1/1) ... [2025-03-03 14:20:46,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1298cda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:46, skipping insertion in model container [2025-03-03 14:20:46,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:20:46" (1/1) ... [2025-03-03 14:20:46,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 14:20:47,251 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product27.cil.c[34014,34027] [2025-03-03 14:20:47,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:20:47,376 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 14:20:47,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2025-03-03 14:20:47,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1128] [2025-03-03 14:20:47,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1525] [2025-03-03 14:20:47,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1534] [2025-03-03 14:20:47,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1572] [2025-03-03 14:20:47,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1670] [2025-03-03 14:20:47,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1980] [2025-03-03 14:20:47,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2346] [2025-03-03 14:20:47,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2568] [2025-03-03 14:20:47,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2585] [2025-03-03 14:20:47,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2604] [2025-03-03 14:20:47,420 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product27.cil.c[34014,34027] [2025-03-03 14:20:47,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:20:47,487 INFO L204 MainTranslator]: Completed translation [2025-03-03 14:20:47,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47 WrapperNode [2025-03-03 14:20:47,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 14:20:47,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 14:20:47,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 14:20:47,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 14:20:47,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47" (1/1) ... [2025-03-03 14:20:47,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47" (1/1) ... [2025-03-03 14:20:47,568 INFO L138 Inliner]: procedures = 133, calls = 207, calls flagged for inlining = 65, calls inlined = 62, statements flattened = 1126 [2025-03-03 14:20:47,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 14:20:47,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 14:20:47,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 14:20:47,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 14:20:47,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47" (1/1) ... [2025-03-03 14:20:47,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47" (1/1) ... [2025-03-03 14:20:47,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47" (1/1) ... [2025-03-03 14:20:47,603 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2025-03-03 14:20:47,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47" (1/1) ... [2025-03-03 14:20:47,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47" (1/1) ... [2025-03-03 14:20:47,625 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47" (1/1) ... [2025-03-03 14:20:47,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47" (1/1) ... [2025-03-03 14:20:47,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47" (1/1) ... [2025-03-03 14:20:47,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47" (1/1) ... [2025-03-03 14:20:47,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 14:20:47,637 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 14:20:47,637 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 14:20:47,637 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 14:20:47,638 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47" (1/1) ... [2025-03-03 14:20:47,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:20:47,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:20:47,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 14:20:47,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 14:20:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-03-03 14:20:47,693 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-03-03 14:20:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-03-03 14:20:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-03-03 14:20:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-03-03 14:20:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-03-03 14:20:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2025-03-03 14:20:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2025-03-03 14:20:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-03-03 14:20:47,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-03-03 14:20:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-03-03 14:20:47,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-03-03 14:20:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-03-03 14:20:47,695 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-03-03 14:20:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-03-03 14:20:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-03-03 14:20:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-03-03 14:20:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-03-03 14:20:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-03-03 14:20:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-03-03 14:20:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2025-03-03 14:20:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2025-03-03 14:20:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-03-03 14:20:47,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-03-03 14:20:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 14:20:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-03-03 14:20:47,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-03-03 14:20:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-03-03 14:20:47,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-03-03 14:20:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-03-03 14:20:47,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-03-03 14:20:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-03-03 14:20:47,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-03-03 14:20:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-03-03 14:20:47,698 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-03-03 14:20:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-03-03 14:20:47,699 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-03-03 14:20:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-03-03 14:20:47,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-03-03 14:20:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-03-03 14:20:47,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-03-03 14:20:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 14:20:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 14:20:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-03 14:20:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-03 14:20:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-03-03 14:20:47,699 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-03-03 14:20:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-03-03 14:20:47,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-03-03 14:20:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 14:20:47,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 14:20:47,864 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 14:20:47,866 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 14:20:47,949 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L670-1: getClientPrivateKey_#res#1 := getClientPrivateKey_~retValue_acc~9#1; [2025-03-03 14:20:47,960 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2912: #res := ~retValue_acc~40; [2025-03-03 14:20:48,002 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L762: #res#1 := ~retValue_acc~11#1; [2025-03-03 14:20:48,003 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L717-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~10#1; [2025-03-03 14:20:48,016 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1667-1: createEmail_#res#1 := createEmail_~retValue_acc~26#1; [2025-03-03 14:20:48,035 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L214: #res := ~retValue_acc~3; [2025-03-03 14:20:48,065 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2949: #res := ~retValue_acc~41; [2025-03-03 14:20:48,085 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2723: #res := ~retValue_acc~35; [2025-03-03 14:20:48,147 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L540: #res := ~retValue_acc~7; [2025-03-03 14:20:48,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L986-1: findPublicKey_#res#1 := findPublicKey_~retValue_acc~14#1; [2025-03-03 14:20:48,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L623-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~8#1; [2025-03-03 14:20:48,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2986-1: isVerified_#res#1 := isVerified_~retValue_acc~42#1; [2025-03-03 14:20:48,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2649-1: getEmailId_#res#1 := getEmailId_~retValue_acc~33#1; [2025-03-03 14:20:48,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1105-1: getClientId_#res#1 := getClientId_~retValue_acc~16#1; [2025-03-03 14:20:48,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1403-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~21#1; [2025-03-03 14:20:48,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~15#1; [2025-03-03 14:20:48,608 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1360-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~18#1; [2025-03-03 14:20:48,609 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L932-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~13#1; [2025-03-03 14:20:48,609 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1378-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~20#1; [2025-03-03 14:20:48,609 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1369-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~19#1; [2025-03-03 14:20:48,609 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L825-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~12#1; [2025-03-03 14:20:48,609 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1569-1: valid_product_#res#1 := valid_product_~retValue_acc~23#1; [2025-03-03 14:20:48,615 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2686: #res := ~retValue_acc~34; [2025-03-03 14:20:48,618 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1643: #res := ~retValue_acc~24; [2025-03-03 14:20:48,737 INFO L? ?]: Removed 567 outVars from TransFormulas that were not future-live. [2025-03-03 14:20:48,737 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 14:20:48,757 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 14:20:48,758 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 14:20:48,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:20:48 BoogieIcfgContainer [2025-03-03 14:20:48,759 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 14:20:48,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 14:20:48,761 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 14:20:48,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 14:20:48,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 02:20:46" (1/3) ... [2025-03-03 14:20:48,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4582211c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:20:48, skipping insertion in model container [2025-03-03 14:20:48,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:47" (2/3) ... [2025-03-03 14:20:48,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4582211c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:20:48, skipping insertion in model container [2025-03-03 14:20:48,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:20:48" (3/3) ... [2025-03-03 14:20:48,768 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product27.cil.c [2025-03-03 14:20:48,779 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 14:20:48,782 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product27.cil.c that has 23 procedures, 397 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 14:20:48,854 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 14:20:48,863 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;@1208d252, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 14:20:48,863 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 14:20:48,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 397 states, 315 states have (on average 1.565079365079365) internal successors, (493), 318 states have internal predecessors, (493), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-03 14:20:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-03 14:20:48,880 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:48,881 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:20:48,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:48,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:48,885 INFO L85 PathProgramCache]: Analyzing trace with hash -623788487, now seen corresponding path program 1 times [2025-03-03 14:20:48,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:48,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462786767] [2025-03-03 14:20:48,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:48,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:49,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-03 14:20:49,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-03 14:20:49,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:49,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-03 14:20:49,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:49,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462786767] [2025-03-03 14:20:49,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462786767] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:20:49,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951116505] [2025-03-03 14:20:49,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:49,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:49,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:20:49,446 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:20:49,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 14:20:49,607 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-03 14:20:49,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-03 14:20:49,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:49,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:49,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 14:20:49,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:20:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-03 14:20:49,756 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:20:49,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951116505] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:49,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:20:49,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-03-03 14:20:49,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426260994] [2025-03-03 14:20:49,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:49,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 14:20:49,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:49,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 14:20:49,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:20:49,783 INFO L87 Difference]: Start difference. First operand has 397 states, 315 states have (on average 1.565079365079365) internal successors, (493), 318 states have internal predecessors, (493), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-03 14:20:49,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:49,827 INFO L93 Difference]: Finished difference Result 597 states and 902 transitions. [2025-03-03 14:20:49,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 14:20:49,829 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2025-03-03 14:20:49,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:49,843 INFO L225 Difference]: With dead ends: 597 [2025-03-03 14:20:49,843 INFO L226 Difference]: Without dead ends: 390 [2025-03-03 14:20:49,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:20:49,852 INFO L435 NwaCegarLoop]: 606 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:20:49,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:20:49,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-03-03 14:20:49,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2025-03-03 14:20:49,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 309 states have (on average 1.5631067961165048) internal successors, (483), 311 states have internal predecessors, (483), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2025-03-03 14:20:49,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 598 transitions. [2025-03-03 14:20:49,905 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 598 transitions. Word has length 107 [2025-03-03 14:20:49,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:49,906 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 598 transitions. [2025-03-03 14:20:49,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-03 14:20:49,906 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 598 transitions. [2025-03-03 14:20:49,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-03 14:20:49,915 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:49,915 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:20:49,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-03 14:20:50,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-03 14:20:50,116 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:50,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:50,117 INFO L85 PathProgramCache]: Analyzing trace with hash -237888377, now seen corresponding path program 1 times [2025-03-03 14:20:50,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:50,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653435420] [2025-03-03 14:20:50,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:50,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:50,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-03 14:20:50,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-03 14:20:50,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:50,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-03 14:20:50,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:50,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653435420] [2025-03-03 14:20:50,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653435420] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:20:50,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378555879] [2025-03-03 14:20:50,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:50,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:50,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:20:50,307 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:20:50,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-03 14:20:50,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-03 14:20:50,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-03 14:20:50,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:50,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:50,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-03 14:20:50,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:20:50,623 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-03 14:20:50,623 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:20:50,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378555879] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:50,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:20:50,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-03 14:20:50,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92795134] [2025-03-03 14:20:50,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:50,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:20:50,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:50,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:20:50,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:20:50,627 INFO L87 Difference]: Start difference. First operand 390 states and 598 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-03 14:20:50,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:50,667 INFO L93 Difference]: Finished difference Result 586 states and 880 transitions. [2025-03-03 14:20:50,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:20:50,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 108 [2025-03-03 14:20:50,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:50,670 INFO L225 Difference]: With dead ends: 586 [2025-03-03 14:20:50,671 INFO L226 Difference]: Without dead ends: 392 [2025-03-03 14:20:50,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:20:50,672 INFO L435 NwaCegarLoop]: 597 mSDtfsCounter, 0 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:20:50,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1192 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:20:50,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-03-03 14:20:50,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2025-03-03 14:20:50,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 311 states have (on average 1.5594855305466238) internal successors, (485), 313 states have internal predecessors, (485), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2025-03-03 14:20:50,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 600 transitions. [2025-03-03 14:20:50,701 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 600 transitions. Word has length 108 [2025-03-03 14:20:50,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:50,703 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 600 transitions. [2025-03-03 14:20:50,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-03 14:20:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 600 transitions. [2025-03-03 14:20:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-03-03 14:20:50,706 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:50,706 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 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, 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] [2025-03-03 14:20:50,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-03 14:20:50,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-03 14:20:50,907 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:50,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:50,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1446877443, now seen corresponding path program 1 times [2025-03-03 14:20:50,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:50,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958255043] [2025-03-03 14:20:50,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:50,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:50,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-03 14:20:50,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-03 14:20:50,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:50,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-03 14:20:51,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:51,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958255043] [2025-03-03 14:20:51,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958255043] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:20:51,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410980702] [2025-03-03 14:20:51,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:51,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:51,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:20:51,114 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:20:51,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-03 14:20:51,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-03 14:20:51,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-03 14:20:51,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:51,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:51,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-03 14:20:51,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:20:51,396 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-03 14:20:51,396 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:20:51,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410980702] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:51,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:20:51,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-03 14:20:51,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368016867] [2025-03-03 14:20:51,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:51,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:20:51,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:51,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:20:51,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:20:51,399 INFO L87 Difference]: Start difference. First operand 392 states and 600 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-03 14:20:51,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:51,447 INFO L93 Difference]: Finished difference Result 836 states and 1299 transitions. [2025-03-03 14:20:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:20:51,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2025-03-03 14:20:51,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:51,452 INFO L225 Difference]: With dead ends: 836 [2025-03-03 14:20:51,453 INFO L226 Difference]: Without dead ends: 471 [2025-03-03 14:20:51,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:20:51,458 INFO L435 NwaCegarLoop]: 609 mSDtfsCounter, 142 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1160 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:20:51,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1160 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:20:51,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2025-03-03 14:20:51,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 463. [2025-03-03 14:20:51,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 368 states have (on average 1.578804347826087) internal successors, (581), 370 states have internal predecessors, (581), 72 states have call successors, (72), 22 states have call predecessors, (72), 22 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-03 14:20:51,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 724 transitions. [2025-03-03 14:20:51,489 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 724 transitions. Word has length 116 [2025-03-03 14:20:51,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:51,490 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 724 transitions. [2025-03-03 14:20:51,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-03 14:20:51,490 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 724 transitions. [2025-03-03 14:20:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-03 14:20:51,494 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:51,494 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 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, 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] [2025-03-03 14:20:51,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-03 14:20:51,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:51,694 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:51,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:51,695 INFO L85 PathProgramCache]: Analyzing trace with hash -2081190725, now seen corresponding path program 1 times [2025-03-03 14:20:51,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:51,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930079608] [2025-03-03 14:20:51,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:51,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:51,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-03 14:20:51,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-03 14:20:51,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:51,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-03 14:20:51,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:51,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930079608] [2025-03-03 14:20:51,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930079608] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:20:51,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067647455] [2025-03-03 14:20:51,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:51,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:51,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:20:51,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:20:51,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-03 14:20:52,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-03 14:20:52,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-03 14:20:52,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:52,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:52,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-03 14:20:52,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:20:52,181 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-03-03 14:20:52,181 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:20:52,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067647455] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:52,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:20:52,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-03 14:20:52,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262685542] [2025-03-03 14:20:52,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:52,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:20:52,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:52,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:20:52,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-03 14:20:52,182 INFO L87 Difference]: Start difference. First operand 463 states and 724 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-03 14:20:52,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:52,232 INFO L93 Difference]: Finished difference Result 917 states and 1438 transitions. [2025-03-03 14:20:52,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:20:52,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2025-03-03 14:20:52,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:52,235 INFO L225 Difference]: With dead ends: 917 [2025-03-03 14:20:52,235 INFO L226 Difference]: Without dead ends: 465 [2025-03-03 14:20:52,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-03 14:20:52,237 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 2 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2349 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:20:52,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2349 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:20:52,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-03-03 14:20:52,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2025-03-03 14:20:52,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 369 states have (on average 1.5772357723577235) internal successors, (582), 372 states have internal predecessors, (582), 72 states have call successors, (72), 22 states have call predecessors, (72), 23 states have return successors, (73), 70 states have call predecessors, (73), 71 states have call successors, (73) [2025-03-03 14:20:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 727 transitions. [2025-03-03 14:20:52,251 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 727 transitions. Word has length 117 [2025-03-03 14:20:52,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:52,251 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 727 transitions. [2025-03-03 14:20:52,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-03 14:20:52,252 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 727 transitions. [2025-03-03 14:20:52,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-03 14:20:52,254 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:52,254 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 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, 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] [2025-03-03 14:20:52,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-03 14:20:52,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:52,454 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:52,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:52,455 INFO L85 PathProgramCache]: Analyzing trace with hash -183052377, now seen corresponding path program 1 times [2025-03-03 14:20:52,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:52,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464534457] [2025-03-03 14:20:52,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:52,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:52,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-03 14:20:52,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-03 14:20:52,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:52,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-03-03 14:20:52,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:52,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464534457] [2025-03-03 14:20:52,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464534457] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:20:52,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593183356] [2025-03-03 14:20:52,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:52,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:52,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:20:52,603 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:20:52,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-03 14:20:52,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-03 14:20:52,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-03 14:20:52,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:52,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:52,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-03 14:20:52,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:20:52,884 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-03-03 14:20:52,884 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:20:52,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593183356] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:52,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:20:52,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-03-03 14:20:52,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898063893] [2025-03-03 14:20:52,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:52,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:20:52,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:52,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:20:52,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-03 14:20:52,887 INFO L87 Difference]: Start difference. First operand 465 states and 727 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-03 14:20:52,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:52,952 INFO L93 Difference]: Finished difference Result 919 states and 1443 transitions. [2025-03-03 14:20:52,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:20:52,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 118 [2025-03-03 14:20:52,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:52,956 INFO L225 Difference]: With dead ends: 919 [2025-03-03 14:20:52,956 INFO L226 Difference]: Without dead ends: 467 [2025-03-03 14:20:52,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-03 14:20:52,958 INFO L435 NwaCegarLoop]: 588 mSDtfsCounter, 2 mSDsluCounter, 1747 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:20:52,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2335 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:20:52,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2025-03-03 14:20:52,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2025-03-03 14:20:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 370 states have (on average 1.5756756756756756) internal successors, (583), 374 states have internal predecessors, (583), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (78), 70 states have call predecessors, (78), 71 states have call successors, (78) [2025-03-03 14:20:52,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 733 transitions. [2025-03-03 14:20:52,972 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 733 transitions. Word has length 118 [2025-03-03 14:20:52,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:52,973 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 733 transitions. [2025-03-03 14:20:52,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-03 14:20:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 733 transitions. [2025-03-03 14:20:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-03 14:20:52,975 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:52,975 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 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, 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] [2025-03-03 14:20:52,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-03 14:20:53,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:53,176 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:53,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:53,177 INFO L85 PathProgramCache]: Analyzing trace with hash 796789395, now seen corresponding path program 1 times [2025-03-03 14:20:53,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:53,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950404211] [2025-03-03 14:20:53,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:53,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:53,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-03 14:20:53,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-03 14:20:53,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:53,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-03 14:20:53,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:53,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950404211] [2025-03-03 14:20:53,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950404211] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:53,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:20:53,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 14:20:53,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736837726] [2025-03-03 14:20:53,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:53,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:20:53,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:53,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:20:53,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:20:53,318 INFO L87 Difference]: Start difference. First operand 467 states and 733 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-03 14:20:53,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:53,367 INFO L93 Difference]: Finished difference Result 911 states and 1434 transitions. [2025-03-03 14:20:53,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:20:53,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 119 [2025-03-03 14:20:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:53,377 INFO L225 Difference]: With dead ends: 911 [2025-03-03 14:20:53,377 INFO L226 Difference]: Without dead ends: 467 [2025-03-03 14:20:53,379 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 [2025-03-03 14:20:53,380 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 2 mSDsluCounter, 1762 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2353 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 [2025-03-03 14:20:53,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2353 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:20:53,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2025-03-03 14:20:53,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2025-03-03 14:20:53,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 370 states have (on average 1.5756756756756756) internal successors, (583), 374 states have internal predecessors, (583), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (77), 70 states have call predecessors, (77), 71 states have call successors, (77) [2025-03-03 14:20:53,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 732 transitions. [2025-03-03 14:20:53,412 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 732 transitions. Word has length 119 [2025-03-03 14:20:53,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:53,412 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 732 transitions. [2025-03-03 14:20:53,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-03 14:20:53,413 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 732 transitions. [2025-03-03 14:20:53,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-03 14:20:53,414 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:53,415 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 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, 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] [2025-03-03 14:20:53,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-03 14:20:53,415 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:53,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:53,415 INFO L85 PathProgramCache]: Analyzing trace with hash -209252959, now seen corresponding path program 2 times [2025-03-03 14:20:53,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:53,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481082813] [2025-03-03 14:20:53,415 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-03 14:20:53,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:53,434 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-03-03 14:20:53,438 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 44 of 120 statements. [2025-03-03 14:20:53,439 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-03 14:20:53,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:53,480 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-03-03 14:20:53,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:53,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481082813] [2025-03-03 14:20:53,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481082813] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:53,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:20:53,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 14:20:53,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616247321] [2025-03-03 14:20:53,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:53,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:20:53,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:53,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:20:53,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:20:53,482 INFO L87 Difference]: Start difference. First operand 467 states and 732 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2025-03-03 14:20:53,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:53,503 INFO L93 Difference]: Finished difference Result 467 states and 732 transitions. [2025-03-03 14:20:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:20:53,503 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 120 [2025-03-03 14:20:53,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:53,504 INFO L225 Difference]: With dead ends: 467 [2025-03-03 14:20:53,504 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 14:20:53,505 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 [2025-03-03 14:20:53,506 INFO L435 NwaCegarLoop]: 594 mSDtfsCounter, 0 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2369 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:20:53,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2369 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:20:53,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 14:20:53,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 14:20:53,507 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) [2025-03-03 14:20:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 14:20:53,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120 [2025-03-03 14:20:53,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:53,507 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 14:20:53,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2025-03-03 14:20:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 14:20:53,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 14:20:53,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 14:20:53,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-03 14:20:53,512 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2025-03-03 14:20:53,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 14:20:53,598 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 14:20:53,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 02:20:53 BoogieIcfgContainer [2025-03-03 14:20:53,610 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 14:20:53,610 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 14:20:53,611 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 14:20:53,611 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 14:20:53,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:20:48" (3/4) ... [2025-03-03 14:20:53,613 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 14:20:53,617 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2025-03-03 14:20:53,617 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-03-03 14:20:53,617 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isSigned [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2025-03-03 14:20:53,618 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-03-03 14:20:53,619 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure queue [2025-03-03 14:20:53,619 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-03-03 14:20:53,619 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-03-03 14:20:53,638 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2025-03-03 14:20:53,640 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2025-03-03 14:20:53,641 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-03-03 14:20:53,642 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-03 14:20:53,643 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:20:53,644 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:20:53,749 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 14:20:53,750 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 14:20:53,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 14:20:53,750 INFO L158 Benchmark]: Toolchain (without parser) took 6858.36ms. Allocated memory was 167.8MB in the beginning and 360.7MB in the end (delta: 192.9MB). Free memory was 121.4MB in the beginning and 193.3MB in the end (delta: -71.9MB). Peak memory consumption was 124.0MB. Max. memory is 16.1GB. [2025-03-03 14:20:53,750 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:20:53,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.29ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 82.4MB in the end (delta: 39.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-03 14:20:53,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.62ms. Allocated memory is still 167.8MB. Free memory was 82.4MB in the beginning and 76.8MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 14:20:53,751 INFO L158 Benchmark]: Boogie Preprocessor took 64.22ms. Allocated memory is still 167.8MB. Free memory was 76.8MB in the beginning and 71.1MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:20:53,751 INFO L158 Benchmark]: IcfgBuilder took 1122.53ms. Allocated memory is still 167.8MB. Free memory was 71.1MB in the beginning and 61.1MB in the end (delta: 10.0MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2025-03-03 14:20:53,751 INFO L158 Benchmark]: TraceAbstraction took 4849.10ms. Allocated memory was 167.8MB in the beginning and 360.7MB in the end (delta: 192.9MB). Free memory was 60.3MB in the beginning and 214.7MB in the end (delta: -154.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2025-03-03 14:20:53,751 INFO L158 Benchmark]: Witness Printer took 139.13ms. Allocated memory is still 360.7MB. Free memory was 214.7MB in the beginning and 193.3MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-03 14:20:53,752 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.29ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 82.4MB in the end (delta: 39.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.62ms. Allocated memory is still 167.8MB. Free memory was 82.4MB in the beginning and 76.8MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.22ms. Allocated memory is still 167.8MB. Free memory was 76.8MB in the beginning and 71.1MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 1122.53ms. Allocated memory is still 167.8MB. Free memory was 71.1MB in the beginning and 61.1MB in the end (delta: 10.0MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4849.10ms. Allocated memory was 167.8MB in the beginning and 360.7MB in the end (delta: 192.9MB). Free memory was 60.3MB in the beginning and 214.7MB in the end (delta: -154.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Witness Printer took 139.13ms. Allocated memory is still 360.7MB. Free memory was 214.7MB in the beginning and 193.3MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. 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,"ClientLib.i","") [48] - GenericResultAtLocation [Line: 1128]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1128] - GenericResultAtLocation [Line: 1525]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1525] - GenericResultAtLocation [Line: 1534]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1534] - GenericResultAtLocation [Line: 1572]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1572] - GenericResultAtLocation [Line: 1670]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1670] - GenericResultAtLocation [Line: 1980]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1980] - GenericResultAtLocation [Line: 2346]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2346] - GenericResultAtLocation [Line: 2568]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2568] - GenericResultAtLocation [Line: 2585]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2585] - GenericResultAtLocation [Line: 2604]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2604] * 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: 1530]: 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 23 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 12364 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8189 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4175 mSDtfsCounter, 136 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 599 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=467occurred in iteration=5, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1371 NumberOfCodeBlocks, 1295 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1359 ConstructedInterpolants, 0 QuantifiedInterpolants, 1462 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5480 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 371/389 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! [2025-03-03 14:20:53,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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