./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_spec6_productSimulator.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 c86855dab8667fe80df418e2dda62d52081f1a657b6492a63fb3d2a1da4890b5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 05:35:32,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 05:35:32,067 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 05:35:32,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 05:35:32,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 05:35:32,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 05:35:32,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 05:35:32,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 05:35:32,096 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 05:35:32,096 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 05:35:32,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 05:35:32,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 05:35:32,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 05:35:32,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 05:35:32,097 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 05:35:32,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 05:35:32,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 05:35:32,098 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 05:35:32,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 05:35:32,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 05:35:32,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 05:35:32,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 05:35:32,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 05:35:32,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 05:35:32,099 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 05:35:32,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 05:35:32,099 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 05:35:32,099 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 05:35:32,099 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 05:35:32,099 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 05:35:32,099 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 05:35:32,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 05:35:32,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:35:32,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 05:35:32,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 05:35:32,100 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 05:35:32,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 05:35:32,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 05:35:32,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 05:35:32,100 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 05:35:32,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 05:35:32,100 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 05:35:32,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 05:35:32,100 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 -> c86855dab8667fe80df418e2dda62d52081f1a657b6492a63fb3d2a1da4890b5 [2025-03-08 05:35:32,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 05:35:32,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 05:35:32,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 05:35:32,348 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 05:35:32,348 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 05:35:32,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c [2025-03-08 05:35:33,521 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e689c2594/8dae9dc98dc644d29edf302bf31e9b6e/FLAGf98e6fa3f [2025-03-08 05:35:33,819 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 05:35:33,821 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c [2025-03-08 05:35:33,842 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e689c2594/8dae9dc98dc644d29edf302bf31e9b6e/FLAGf98e6fa3f [2025-03-08 05:35:34,085 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e689c2594/8dae9dc98dc644d29edf302bf31e9b6e [2025-03-08 05:35:34,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 05:35:34,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 05:35:34,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 05:35:34,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 05:35:34,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 05:35:34,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63604a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34, skipping insertion in model container [2025-03-08 05:35:34,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 05:35:34,391 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_spec6_productSimulator.cil.c[17001,17014] [2025-03-08 05:35:34,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:35:34,560 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 05:35:34,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [48] [2025-03-08 05:35:34,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [111] [2025-03-08 05:35:34,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [477] [2025-03-08 05:35:34,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [692] [2025-03-08 05:35:34,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [701] [2025-03-08 05:35:34,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [811] [2025-03-08 05:35:34,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1890] [2025-03-08 05:35:34,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1907] [2025-03-08 05:35:34,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2184] [2025-03-08 05:35:34,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2539] [2025-03-08 05:35:34,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2941] [2025-03-08 05:35:34,602 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_spec6_productSimulator.cil.c[17001,17014] [2025-03-08 05:35:34,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:35:34,682 INFO L204 MainTranslator]: Completed translation [2025-03-08 05:35:34,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34 WrapperNode [2025-03-08 05:35:34,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 05:35:34,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 05:35:34,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 05:35:34,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 05:35:34,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,743 INFO L138 Inliner]: procedures = 152, calls = 268, calls flagged for inlining = 68, calls inlined = 65, statements flattened = 1341 [2025-03-08 05:35:34,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 05:35:34,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 05:35:34,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 05:35:34,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 05:35:34,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,762 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,781 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]. [2025-03-08 05:35:34,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,806 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 05:35:34,829 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 05:35:34,829 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 05:35:34,829 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 05:35:34,830 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34" (1/1) ... [2025-03-08 05:35:34,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:35:34,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:35:34,858 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) [2025-03-08 05:35:34,861 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 [2025-03-08 05:35:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2025-03-08 05:35:34,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2025-03-08 05:35:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2025-03-08 05:35:34,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2025-03-08 05:35:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2025-03-08 05:35:34,882 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2025-03-08 05:35:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-03-08 05:35:34,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-03-08 05:35:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2025-03-08 05:35:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2025-03-08 05:35:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-03-08 05:35:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-03-08 05:35:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2025-03-08 05:35:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2025-03-08 05:35:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2025-03-08 05:35:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2025-03-08 05:35:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-03-08 05:35:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-03-08 05:35:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2025-03-08 05:35:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2025-03-08 05:35:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-03-08 05:35:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-03-08 05:35:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-03-08 05:35:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-03-08 05:35:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-03-08 05:35:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-03-08 05:35:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2025-03-08 05:35:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2025-03-08 05:35:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2025-03-08 05:35:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2025-03-08 05:35:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2025-03-08 05:35:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2025-03-08 05:35:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-03-08 05:35:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-03-08 05:35:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-03-08 05:35:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2025-03-08 05:35:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-03-08 05:35:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-03-08 05:35:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2025-03-08 05:35:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2025-03-08 05:35:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2025-03-08 05:35:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2025-03-08 05:35:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2025-03-08 05:35:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2025-03-08 05:35:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-03-08 05:35:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-03-08 05:35:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-03-08 05:35:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-03-08 05:35:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 05:35:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 05:35:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 05:35:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 05:35:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-03-08 05:35:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-03-08 05:35:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2025-03-08 05:35:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2025-03-08 05:35:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2025-03-08 05:35:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2025-03-08 05:35:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-03-08 05:35:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-03-08 05:35:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 05:35:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 05:35:35,089 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 05:35:35,094 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 05:35:35,124 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L627: #res := ~retValue_acc~3; [2025-03-08 05:35:35,139 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2848: #res := ~retValue_acc~37; [2025-03-08 05:35:35,154 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3380: #res := ~retValue_acc~44; [2025-03-08 05:35:35,168 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1432: #res := ~retValue_acc~19; [2025-03-08 05:35:35,242 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L976: #res := ~retValue_acc~13; [2025-03-08 05:35:35,284 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2585-1: getEmailId_#res#1 := getEmailId_~retValue_acc~30#1; [2025-03-08 05:35:35,317 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2811: #res := ~retValue_acc~36; [2025-03-08 05:35:35,345 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2659: #res := ~retValue_acc~32; [2025-03-08 05:35:35,402 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L665: #res#1 := ~retValue_acc~5#1; [2025-03-08 05:35:35,402 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L647-1: isReadable__role__Encrypt_#res#1 := isReadable__role__Encrypt_~retValue_acc~4#1; [2025-03-08 05:35:35,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1524: #res#1 := ~retValue_acc~21#1; [2025-03-08 05:35:35,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1479-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~20#1; [2025-03-08 05:35:35,539 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1748: #res := ~retValue_acc~24; [2025-03-08 05:35:35,545 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L689-1: createEmail_#res#1 := createEmail_~retValue_acc~7#1; [2025-03-08 05:35:35,552 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2774: #res := ~retValue_acc~35; [2025-03-08 05:35:35,597 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1867-1: getClientId_#res#1 := getClientId_~retValue_acc~26#1; [2025-03-08 05:35:35,631 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2922-1: isVerified_#res#1 := isVerified_~retValue_acc~39#1; [2025-03-08 05:35:35,631 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1820-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~25#1; [2025-03-08 05:35:35,638 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2885: #res := ~retValue_acc~38; [2025-03-08 05:35:35,668 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L713: #res := ~retValue_acc~8; [2025-03-08 05:35:35,687 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1302: #res := ~retValue_acc~17; [2025-03-08 05:35:35,706 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1385-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~18#1; [2025-03-08 05:35:35,956 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3355-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~43#1; [2025-03-08 05:35:35,956 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1694-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~23#1; [2025-03-08 05:35:35,956 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3346-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~42#1; [2025-03-08 05:35:35,956 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L808-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2025-03-08 05:35:35,956 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3337-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~41#1; [2025-03-08 05:35:35,956 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1587-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~22#1; [2025-03-08 05:35:35,962 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2622: #res := ~retValue_acc~31; [2025-03-08 05:35:36,160 INFO L? ?]: Removed 631 outVars from TransFormulas that were not future-live. [2025-03-08 05:35:36,160 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 05:35:36,174 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 05:35:36,175 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 05:35:36,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:35:36 BoogieIcfgContainer [2025-03-08 05:35:36,175 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 05:35:36,177 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 05:35:36,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 05:35:36,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 05:35:36,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:35:34" (1/3) ... [2025-03-08 05:35:36,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96035cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:35:36, skipping insertion in model container [2025-03-08 05:35:36,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:35:34" (2/3) ... [2025-03-08 05:35:36,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96035cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:35:36, skipping insertion in model container [2025-03-08 05:35:36,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:35:36" (3/3) ... [2025-03-08 05:35:36,182 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec6_productSimulator.cil.c [2025-03-08 05:35:36,194 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 05:35:36,199 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec6_productSimulator.cil.c that has 44 procedures, 606 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 05:35:36,257 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 05:35:36,264 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;@4e579ed5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 05:35:36,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 05:35:36,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 606 states, 449 states have (on average 1.512249443207127) internal successors, (679), 469 states have internal predecessors, (679), 112 states have call successors, (112), 43 states have call predecessors, (112), 43 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2025-03-08 05:35:36,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-03-08 05:35:36,285 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:36,285 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:36,286 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:36,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:36,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1272844773, now seen corresponding path program 1 times [2025-03-08 05:35:36,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:36,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998791697] [2025-03-08 05:35:36,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:36,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:36,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-08 05:35:36,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-08 05:35:36,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:36,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-03-08 05:35:36,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:36,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998791697] [2025-03-08 05:35:36,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998791697] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:36,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:36,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:35:36,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663819022] [2025-03-08 05:35:36,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:36,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:35:36,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:36,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:35:36,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:35:36,929 INFO L87 Difference]: Start difference. First operand has 606 states, 449 states have (on average 1.512249443207127) internal successors, (679), 469 states have internal predecessors, (679), 112 states have call successors, (112), 43 states have call predecessors, (112), 43 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 05:35:37,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:37,052 INFO L93 Difference]: Finished difference Result 1175 states and 1760 transitions. [2025-03-08 05:35:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:35:37,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 152 [2025-03-08 05:35:37,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:37,073 INFO L225 Difference]: With dead ends: 1175 [2025-03-08 05:35:37,073 INFO L226 Difference]: Without dead ends: 599 [2025-03-08 05:35:37,080 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 [2025-03-08 05:35:37,082 INFO L435 NwaCegarLoop]: 897 mSDtfsCounter, 0 mSDsluCounter, 2678 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3575 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:35:37,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3575 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:37,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2025-03-08 05:35:37,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2025-03-08 05:35:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 443 states have (on average 1.4943566591422122) internal successors, (662), 462 states have internal predecessors, (662), 112 states have call successors, (112), 43 states have call predecessors, (112), 43 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2025-03-08 05:35:37,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 885 transitions. [2025-03-08 05:35:37,152 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 885 transitions. Word has length 152 [2025-03-08 05:35:37,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:37,153 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 885 transitions. [2025-03-08 05:35:37,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 05:35:37,154 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 885 transitions. [2025-03-08 05:35:37,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-03-08 05:35:37,162 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:37,162 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:37,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 05:35:37,163 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:37,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:37,163 INFO L85 PathProgramCache]: Analyzing trace with hash -892869427, now seen corresponding path program 1 times [2025-03-08 05:35:37,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:37,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936972483] [2025-03-08 05:35:37,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:37,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:37,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-03-08 05:35:37,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-03-08 05:35:37,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:37,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:37,371 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2025-03-08 05:35:37,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:37,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936972483] [2025-03-08 05:35:37,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936972483] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:37,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:37,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:35:37,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456818598] [2025-03-08 05:35:37,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:37,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:37,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:37,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:37,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:37,374 INFO L87 Difference]: Start difference. First operand 599 states and 885 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-03-08 05:35:37,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:37,436 INFO L93 Difference]: Finished difference Result 1172 states and 1752 transitions. [2025-03-08 05:35:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:37,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 178 [2025-03-08 05:35:37,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:37,445 INFO L225 Difference]: With dead ends: 1172 [2025-03-08 05:35:37,445 INFO L226 Difference]: Without dead ends: 598 [2025-03-08 05:35:37,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:37,449 INFO L435 NwaCegarLoop]: 869 mSDtfsCounter, 851 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:35:37,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 878 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:37,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2025-03-08 05:35:37,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2025-03-08 05:35:37,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 444 states have (on average 1.481981981981982) internal successors, (658), 461 states have internal predecessors, (658), 109 states have call successors, (109), 44 states have call predecessors, (109), 44 states have return successors, (108), 107 states have call predecessors, (108), 108 states have call successors, (108) [2025-03-08 05:35:37,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 875 transitions. [2025-03-08 05:35:37,496 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 875 transitions. Word has length 178 [2025-03-08 05:35:37,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:37,497 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 875 transitions. [2025-03-08 05:35:37,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-03-08 05:35:37,497 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 875 transitions. [2025-03-08 05:35:37,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-03-08 05:35:37,500 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:37,500 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:37,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 05:35:37,500 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:37,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:37,501 INFO L85 PathProgramCache]: Analyzing trace with hash 812867630, now seen corresponding path program 1 times [2025-03-08 05:35:37,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:37,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553065663] [2025-03-08 05:35:37,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:37,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:37,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-08 05:35:37,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-08 05:35:37,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:37,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:37,615 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2025-03-08 05:35:37,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:37,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553065663] [2025-03-08 05:35:37,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553065663] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:37,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:37,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:35:37,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670594057] [2025-03-08 05:35:37,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:37,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:37,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:37,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:37,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:37,617 INFO L87 Difference]: Start difference. First operand 598 states and 875 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-08 05:35:37,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:37,670 INFO L93 Difference]: Finished difference Result 1165 states and 1720 transitions. [2025-03-08 05:35:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:37,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 173 [2025-03-08 05:35:37,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:37,674 INFO L225 Difference]: With dead ends: 1165 [2025-03-08 05:35:37,677 INFO L226 Difference]: Without dead ends: 597 [2025-03-08 05:35:37,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:37,682 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 837 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:35:37,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 896 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:37,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2025-03-08 05:35:37,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2025-03-08 05:35:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 444 states have (on average 1.4774774774774775) internal successors, (656), 460 states have internal predecessors, (656), 108 states have call successors, (108), 44 states have call predecessors, (108), 44 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2025-03-08 05:35:37,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 871 transitions. [2025-03-08 05:35:37,741 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 871 transitions. Word has length 173 [2025-03-08 05:35:37,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:37,742 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 871 transitions. [2025-03-08 05:35:37,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-08 05:35:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 871 transitions. [2025-03-08 05:35:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2025-03-08 05:35:37,744 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:37,745 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:37,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 05:35:37,745 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:37,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:37,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1261803871, now seen corresponding path program 1 times [2025-03-08 05:35:37,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:37,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502414684] [2025-03-08 05:35:37,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:37,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:37,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 181 statements into 1 equivalence classes. [2025-03-08 05:35:37,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 181 of 181 statements. [2025-03-08 05:35:37,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:37,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2025-03-08 05:35:37,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:37,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502414684] [2025-03-08 05:35:37,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502414684] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:37,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:37,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:35:37,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307464553] [2025-03-08 05:35:37,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:37,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:37,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:37,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:37,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:37,871 INFO L87 Difference]: Start difference. First operand 597 states and 871 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-08 05:35:37,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:37,951 INFO L93 Difference]: Finished difference Result 1145 states and 1678 transitions. [2025-03-08 05:35:37,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:37,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 181 [2025-03-08 05:35:37,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:37,956 INFO L225 Difference]: With dead ends: 1145 [2025-03-08 05:35:37,956 INFO L226 Difference]: Without dead ends: 594 [2025-03-08 05:35:37,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:37,959 INFO L435 NwaCegarLoop]: 840 mSDtfsCounter, 809 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:35:37,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 873 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:37,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2025-03-08 05:35:37,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 594. [2025-03-08 05:35:37,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 444 states have (on average 1.4527027027027026) internal successors, (645), 455 states have internal predecessors, (645), 105 states have call successors, (105), 44 states have call predecessors, (105), 44 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2025-03-08 05:35:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 854 transitions. [2025-03-08 05:35:37,998 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 854 transitions. Word has length 181 [2025-03-08 05:35:37,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:37,999 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 854 transitions. [2025-03-08 05:35:37,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-08 05:35:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 854 transitions. [2025-03-08 05:35:38,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-08 05:35:38,002 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:38,002 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:38,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 05:35:38,003 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:38,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:38,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1858467247, now seen corresponding path program 1 times [2025-03-08 05:35:38,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:38,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312285052] [2025-03-08 05:35:38,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:38,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:38,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-08 05:35:38,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-08 05:35:38,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:38,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:38,244 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2025-03-08 05:35:38,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:38,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312285052] [2025-03-08 05:35:38,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312285052] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:35:38,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499939088] [2025-03-08 05:35:38,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:38,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:35:38,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:35:38,247 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) [2025-03-08 05:35:38,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 05:35:38,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-08 05:35:38,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-08 05:35:38,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:38,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:38,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 1493 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 05:35:38,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:35:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2025-03-08 05:35:38,659 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:35:38,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499939088] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:38,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:35:38,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2025-03-08 05:35:38,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619937357] [2025-03-08 05:35:38,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:38,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:38,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:38,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:38,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 05:35:38,661 INFO L87 Difference]: Start difference. First operand 594 states and 854 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 05:35:38,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:38,693 INFO L93 Difference]: Finished difference Result 923 states and 1309 transitions. [2025-03-08 05:35:38,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:38,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 192 [2025-03-08 05:35:38,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:38,697 INFO L225 Difference]: With dead ends: 923 [2025-03-08 05:35:38,697 INFO L226 Difference]: Without dead ends: 595 [2025-03-08 05:35:38,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 05:35:38,698 INFO L435 NwaCegarLoop]: 851 mSDtfsCounter, 0 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1700 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 [2025-03-08 05:35:38,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1700 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:38,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2025-03-08 05:35:38,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2025-03-08 05:35:38,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 445 states have (on average 1.451685393258427) internal successors, (646), 456 states have internal predecessors, (646), 105 states have call successors, (105), 44 states have call predecessors, (105), 44 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2025-03-08 05:35:38,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 855 transitions. [2025-03-08 05:35:38,725 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 855 transitions. Word has length 192 [2025-03-08 05:35:38,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:38,725 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 855 transitions. [2025-03-08 05:35:38,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 05:35:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 855 transitions. [2025-03-08 05:35:38,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-03-08 05:35:38,728 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:38,728 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:38,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 05:35:38,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:35:38,929 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:38,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:38,929 INFO L85 PathProgramCache]: Analyzing trace with hash -2029544135, now seen corresponding path program 1 times [2025-03-08 05:35:38,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:38,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465441496] [2025-03-08 05:35:38,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:38,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:38,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-03-08 05:35:38,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-03-08 05:35:38,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:38,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:39,183 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2025-03-08 05:35:39,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:39,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465441496] [2025-03-08 05:35:39,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465441496] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:35:39,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375791645] [2025-03-08 05:35:39,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:39,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:35:39,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:35:39,186 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) [2025-03-08 05:35:39,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 05:35:39,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-03-08 05:35:39,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-03-08 05:35:39,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:39,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:39,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 1536 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 05:35:39,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:35:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2025-03-08 05:35:39,546 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:35:39,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375791645] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:39,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:35:39,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2025-03-08 05:35:39,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628248430] [2025-03-08 05:35:39,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:39,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:39,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:39,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:39,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 05:35:39,548 INFO L87 Difference]: Start difference. First operand 595 states and 855 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:35:39,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:39,583 INFO L93 Difference]: Finished difference Result 1209 states and 1770 transitions. [2025-03-08 05:35:39,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:39,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 205 [2025-03-08 05:35:39,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:39,588 INFO L225 Difference]: With dead ends: 1209 [2025-03-08 05:35:39,588 INFO L226 Difference]: Without dead ends: 691 [2025-03-08 05:35:39,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 05:35:39,590 INFO L435 NwaCegarLoop]: 857 mSDtfsCounter, 165 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1660 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 [2025-03-08 05:35:39,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1660 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:39,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2025-03-08 05:35:39,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 683. [2025-03-08 05:35:39,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 519 states have (on average 1.4682080924855492) internal successors, (762), 530 states have internal predecessors, (762), 119 states have call successors, (119), 44 states have call predecessors, (119), 44 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2025-03-08 05:35:39,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 999 transitions. [2025-03-08 05:35:39,631 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 999 transitions. Word has length 205 [2025-03-08 05:35:39,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:39,632 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 999 transitions. [2025-03-08 05:35:39,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:35:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 999 transitions. [2025-03-08 05:35:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-03-08 05:35:39,635 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:39,635 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:39,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 05:35:39,836 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,SelfDestructingSolverStorable5 [2025-03-08 05:35:39,836 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:39,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:39,837 INFO L85 PathProgramCache]: Analyzing trace with hash 323749281, now seen corresponding path program 1 times [2025-03-08 05:35:39,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:39,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488275277] [2025-03-08 05:35:39,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:39,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:39,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-03-08 05:35:39,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-03-08 05:35:39,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:39,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:40,070 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2025-03-08 05:35:40,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:40,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488275277] [2025-03-08 05:35:40,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488275277] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:35:40,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82327388] [2025-03-08 05:35:40,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:40,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:35:40,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:35:40,073 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) [2025-03-08 05:35:40,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 05:35:40,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-03-08 05:35:40,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-03-08 05:35:40,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:40,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:40,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-08 05:35:40,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:35:40,484 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-03-08 05:35:40,485 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:35:40,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82327388] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:40,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:35:40,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2025-03-08 05:35:40,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406164844] [2025-03-08 05:35:40,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:40,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:35:40,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:40,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:35:40,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-08 05:35:40,487 INFO L87 Difference]: Start difference. First operand 683 states and 999 transitions. Second operand has 8 states, 6 states have (on average 19.5) internal successors, (117), 8 states have internal predecessors, (117), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2025-03-08 05:35:40,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:40,597 INFO L93 Difference]: Finished difference Result 1313 states and 1935 transitions. [2025-03-08 05:35:40,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 05:35:40,597 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 19.5) internal successors, (117), 8 states have internal predecessors, (117), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 199 [2025-03-08 05:35:40,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:40,602 INFO L225 Difference]: With dead ends: 1313 [2025-03-08 05:35:40,602 INFO L226 Difference]: Without dead ends: 685 [2025-03-08 05:35:40,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2025-03-08 05:35:40,604 INFO L435 NwaCegarLoop]: 841 mSDtfsCounter, 4 mSDsluCounter, 5029 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5870 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:35:40,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5870 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:40,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2025-03-08 05:35:40,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 685. [2025-03-08 05:35:40,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 520 states have (on average 1.4673076923076922) internal successors, (763), 532 states have internal predecessors, (763), 119 states have call successors, (119), 44 states have call predecessors, (119), 45 states have return successors, (120), 117 states have call predecessors, (120), 118 states have call successors, (120) [2025-03-08 05:35:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 1002 transitions. [2025-03-08 05:35:40,636 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 1002 transitions. Word has length 199 [2025-03-08 05:35:40,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:40,637 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 1002 transitions. [2025-03-08 05:35:40,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 19.5) internal successors, (117), 8 states have internal predecessors, (117), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2025-03-08 05:35:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1002 transitions. [2025-03-08 05:35:40,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2025-03-08 05:35:40,642 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:40,642 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:40,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 05:35:40,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:35:40,843 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:40,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:40,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1982731462, now seen corresponding path program 1 times [2025-03-08 05:35:40,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:40,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502996862] [2025-03-08 05:35:40,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:40,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:40,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 207 statements into 1 equivalence classes. [2025-03-08 05:35:40,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 207 of 207 statements. [2025-03-08 05:35:40,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:40,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:41,050 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-03-08 05:35:41,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:41,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502996862] [2025-03-08 05:35:41,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502996862] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:35:41,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496524899] [2025-03-08 05:35:41,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:41,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:35:41,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:35:41,053 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) [2025-03-08 05:35:41,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 05:35:41,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 207 statements into 1 equivalence classes. [2025-03-08 05:35:41,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 207 of 207 statements. [2025-03-08 05:35:41,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:41,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:41,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-08 05:35:41,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:35:41,417 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-03-08 05:35:41,417 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:35:41,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496524899] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:41,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:35:41,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2025-03-08 05:35:41,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136462688] [2025-03-08 05:35:41,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:41,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 05:35:41,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:41,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 05:35:41,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2025-03-08 05:35:41,419 INFO L87 Difference]: Start difference. First operand 685 states and 1002 transitions. Second operand has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-03-08 05:35:41,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:41,495 INFO L93 Difference]: Finished difference Result 1314 states and 1939 transitions. [2025-03-08 05:35:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 05:35:41,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 207 [2025-03-08 05:35:41,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:41,499 INFO L225 Difference]: With dead ends: 1314 [2025-03-08 05:35:41,500 INFO L226 Difference]: Without dead ends: 687 [2025-03-08 05:35:41,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2025-03-08 05:35:41,502 INFO L435 NwaCegarLoop]: 841 mSDtfsCounter, 2 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4188 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:35:41,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4188 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:41,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2025-03-08 05:35:41,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2025-03-08 05:35:41,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 521 states have (on average 1.4664107485604607) internal successors, (764), 534 states have internal predecessors, (764), 119 states have call successors, (119), 44 states have call predecessors, (119), 46 states have return successors, (125), 117 states have call predecessors, (125), 118 states have call successors, (125) [2025-03-08 05:35:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1008 transitions. [2025-03-08 05:35:41,529 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1008 transitions. Word has length 207 [2025-03-08 05:35:41,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:41,529 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 1008 transitions. [2025-03-08 05:35:41,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-03-08 05:35:41,530 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1008 transitions. [2025-03-08 05:35:41,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-03-08 05:35:41,532 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:41,532 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:41,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-08 05:35:41,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:35:41,733 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:41,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:41,734 INFO L85 PathProgramCache]: Analyzing trace with hash 464926970, now seen corresponding path program 1 times [2025-03-08 05:35:41,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:41,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495347739] [2025-03-08 05:35:41,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:41,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:41,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-03-08 05:35:41,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-03-08 05:35:41,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:41,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2025-03-08 05:35:41,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:41,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495347739] [2025-03-08 05:35:41,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495347739] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:41,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:41,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:35:41,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381803325] [2025-03-08 05:35:41,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:41,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:35:41,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:41,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:35:41,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:35:41,955 INFO L87 Difference]: Start difference. First operand 687 states and 1008 transitions. Second operand has 8 states, 6 states have (on average 19.166666666666668) internal successors, (115), 8 states have internal predecessors, (115), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2025-03-08 05:35:42,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:42,034 INFO L93 Difference]: Finished difference Result 1302 states and 1926 transitions. [2025-03-08 05:35:42,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 05:35:42,035 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 19.166666666666668) internal successors, (115), 8 states have internal predecessors, (115), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 201 [2025-03-08 05:35:42,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:42,039 INFO L225 Difference]: With dead ends: 1302 [2025-03-08 05:35:42,039 INFO L226 Difference]: Without dead ends: 687 [2025-03-08 05:35:42,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-08 05:35:42,041 INFO L435 NwaCegarLoop]: 842 mSDtfsCounter, 4 mSDsluCounter, 5035 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5877 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:35:42,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5877 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:42,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2025-03-08 05:35:42,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2025-03-08 05:35:42,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 521 states have (on average 1.4664107485604607) internal successors, (764), 534 states have internal predecessors, (764), 119 states have call successors, (119), 44 states have call predecessors, (119), 46 states have return successors, (124), 117 states have call predecessors, (124), 118 states have call successors, (124) [2025-03-08 05:35:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1007 transitions. [2025-03-08 05:35:42,065 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1007 transitions. Word has length 201 [2025-03-08 05:35:42,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:42,066 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 1007 transitions. [2025-03-08 05:35:42,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 19.166666666666668) internal successors, (115), 8 states have internal predecessors, (115), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2025-03-08 05:35:42,066 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1007 transitions. [2025-03-08 05:35:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-08 05:35:42,069 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:42,069 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:42,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 05:35:42,069 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:42,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:42,070 INFO L85 PathProgramCache]: Analyzing trace with hash 103732596, now seen corresponding path program 2 times [2025-03-08 05:35:42,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:42,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066682784] [2025-03-08 05:35:42,070 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 05:35:42,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:42,091 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-03-08 05:35:42,105 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-03-08 05:35:42,105 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-08 05:35:42,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:42,275 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-08 05:35:42,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:42,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066682784] [2025-03-08 05:35:42,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066682784] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:42,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:42,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 05:35:42,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774014702] [2025-03-08 05:35:42,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:42,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 05:35:42,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:42,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 05:35:42,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:35:42,278 INFO L87 Difference]: Start difference. First operand 687 states and 1007 transitions. Second operand has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 states have internal predecessors, (115), 3 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2025-03-08 05:35:42,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:42,344 INFO L93 Difference]: Finished difference Result 1299 states and 1920 transitions. [2025-03-08 05:35:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 05:35:42,345 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 states have internal predecessors, (115), 3 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 202 [2025-03-08 05:35:42,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:42,349 INFO L225 Difference]: With dead ends: 1299 [2025-03-08 05:35:42,349 INFO L226 Difference]: Without dead ends: 687 [2025-03-08 05:35:42,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:35:42,351 INFO L435 NwaCegarLoop]: 842 mSDtfsCounter, 2 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4193 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:35:42,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4193 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:42,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2025-03-08 05:35:42,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2025-03-08 05:35:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 521 states have (on average 1.4664107485604607) internal successors, (764), 534 states have internal predecessors, (764), 119 states have call successors, (119), 44 states have call predecessors, (119), 46 states have return successors, (123), 117 states have call predecessors, (123), 118 states have call successors, (123) [2025-03-08 05:35:42,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1006 transitions. [2025-03-08 05:35:42,375 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1006 transitions. Word has length 202 [2025-03-08 05:35:42,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:42,375 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 1006 transitions. [2025-03-08 05:35:42,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 states have internal predecessors, (115), 3 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2025-03-08 05:35:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1006 transitions. [2025-03-08 05:35:42,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2025-03-08 05:35:42,378 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:42,379 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:42,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 05:35:42,379 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:42,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:42,379 INFO L85 PathProgramCache]: Analyzing trace with hash -148270502, now seen corresponding path program 1 times [2025-03-08 05:35:42,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:42,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557781983] [2025-03-08 05:35:42,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:42,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:42,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 210 statements into 1 equivalence classes. [2025-03-08 05:35:42,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 210 of 210 statements. [2025-03-08 05:35:42,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:42,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:42,551 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-08 05:35:42,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:42,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557781983] [2025-03-08 05:35:42,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557781983] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:42,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:42,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:35:42,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441598049] [2025-03-08 05:35:42,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:42,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:35:42,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:42,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:35:42,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:35:42,553 INFO L87 Difference]: Start difference. First operand 687 states and 1006 transitions. Second operand has 8 states, 6 states have (on average 20.166666666666668) internal successors, (121), 8 states have internal predecessors, (121), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2025-03-08 05:35:42,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:42,637 INFO L93 Difference]: Finished difference Result 1304 states and 1927 transitions. [2025-03-08 05:35:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 05:35:42,637 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 20.166666666666668) internal successors, (121), 8 states have internal predecessors, (121), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 210 [2025-03-08 05:35:42,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:42,642 INFO L225 Difference]: With dead ends: 1304 [2025-03-08 05:35:42,642 INFO L226 Difference]: Without dead ends: 689 [2025-03-08 05:35:42,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-08 05:35:42,644 INFO L435 NwaCegarLoop]: 843 mSDtfsCounter, 3 mSDsluCounter, 5040 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5883 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:35:42,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5883 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:42,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2025-03-08 05:35:42,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 689. [2025-03-08 05:35:42,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 522 states have (on average 1.4655172413793103) internal successors, (765), 536 states have internal predecessors, (765), 119 states have call successors, (119), 44 states have call predecessors, (119), 47 states have return successors, (125), 117 states have call predecessors, (125), 118 states have call successors, (125) [2025-03-08 05:35:42,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1009 transitions. [2025-03-08 05:35:42,670 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1009 transitions. Word has length 210 [2025-03-08 05:35:42,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:42,670 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 1009 transitions. [2025-03-08 05:35:42,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 20.166666666666668) internal successors, (121), 8 states have internal predecessors, (121), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2025-03-08 05:35:42,671 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1009 transitions. [2025-03-08 05:35:42,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-03-08 05:35:42,673 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:42,673 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:42,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 05:35:42,674 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:42,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:42,674 INFO L85 PathProgramCache]: Analyzing trace with hash 846178723, now seen corresponding path program 1 times [2025-03-08 05:35:42,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:42,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314211522] [2025-03-08 05:35:42,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:42,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:42,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-03-08 05:35:42,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-03-08 05:35:42,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:42,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:42,808 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-03-08 05:35:42,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:42,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314211522] [2025-03-08 05:35:42,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314211522] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:42,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:42,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-08 05:35:42,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534431010] [2025-03-08 05:35:42,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:42,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 05:35:42,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:42,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 05:35:42,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 05:35:42,810 INFO L87 Difference]: Start difference. First operand 689 states and 1009 transitions. Second operand has 9 states, 7 states have (on average 18.0) internal successors, (126), 8 states have internal predecessors, (126), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2025-03-08 05:35:42,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:42,954 INFO L93 Difference]: Finished difference Result 1303 states and 1929 transitions. [2025-03-08 05:35:42,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-08 05:35:42,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 18.0) internal successors, (126), 8 states have internal predecessors, (126), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 211 [2025-03-08 05:35:42,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:42,960 INFO L225 Difference]: With dead ends: 1303 [2025-03-08 05:35:42,961 INFO L226 Difference]: Without dead ends: 691 [2025-03-08 05:35:42,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-08 05:35:42,963 INFO L435 NwaCegarLoop]: 837 mSDtfsCounter, 4 mSDsluCounter, 5829 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6666 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 05:35:42,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6666 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 05:35:42,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2025-03-08 05:35:42,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 691. [2025-03-08 05:35:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 523 states have (on average 1.4646271510516253) internal successors, (766), 538 states have internal predecessors, (766), 119 states have call successors, (119), 44 states have call predecessors, (119), 48 states have return successors, (130), 117 states have call predecessors, (130), 118 states have call successors, (130) [2025-03-08 05:35:42,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 1015 transitions. [2025-03-08 05:35:42,989 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 1015 transitions. Word has length 211 [2025-03-08 05:35:42,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:42,989 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 1015 transitions. [2025-03-08 05:35:42,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 18.0) internal successors, (126), 8 states have internal predecessors, (126), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2025-03-08 05:35:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1015 transitions. [2025-03-08 05:35:42,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-03-08 05:35:42,992 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:42,992 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:42,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 05:35:42,993 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:42,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:42,993 INFO L85 PathProgramCache]: Analyzing trace with hash 360593658, now seen corresponding path program 1 times [2025-03-08 05:35:42,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:42,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425678484] [2025-03-08 05:35:42,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:42,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:43,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-03-08 05:35:43,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-03-08 05:35:43,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:43,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:43,102 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-08 05:35:43,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:43,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425678484] [2025-03-08 05:35:43,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425678484] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:35:43,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899817483] [2025-03-08 05:35:43,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:43,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:35:43,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:35:43,105 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) [2025-03-08 05:35:43,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 05:35:43,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-03-08 05:35:43,390 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-03-08 05:35:43,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:43,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:43,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 1517 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 05:35:43,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:35:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-08 05:35:43,417 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 05:35:43,520 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-08 05:35:43,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899817483] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 05:35:43,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 05:35:43,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-08 05:35:43,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943596470] [2025-03-08 05:35:43,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 05:35:43,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 05:35:43,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:43,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 05:35:43,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-08 05:35:43,522 INFO L87 Difference]: Start difference. First operand 691 states and 1015 transitions. Second operand has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2025-03-08 05:35:43,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:43,695 INFO L93 Difference]: Finished difference Result 1571 states and 2382 transitions. [2025-03-08 05:35:43,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 05:35:43,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 205 [2025-03-08 05:35:43,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:43,701 INFO L225 Difference]: With dead ends: 1571 [2025-03-08 05:35:43,702 INFO L226 Difference]: Without dead ends: 1243 [2025-03-08 05:35:43,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-08 05:35:43,704 INFO L435 NwaCegarLoop]: 903 mSDtfsCounter, 636 mSDsluCounter, 2957 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 3860 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 05:35:43,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 3860 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 05:35:43,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2025-03-08 05:35:43,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1219. [2025-03-08 05:35:43,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 972 states have (on average 1.521604938271605) internal successors, (1479), 987 states have internal predecessors, (1479), 198 states have call successors, (198), 44 states have call predecessors, (198), 48 states have return successors, (219), 196 states have call predecessors, (219), 197 states have call successors, (219) [2025-03-08 05:35:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1896 transitions. [2025-03-08 05:35:43,743 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1896 transitions. Word has length 205 [2025-03-08 05:35:43,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:43,743 INFO L471 AbstractCegarLoop]: Abstraction has 1219 states and 1896 transitions. [2025-03-08 05:35:43,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2025-03-08 05:35:43,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1896 transitions. [2025-03-08 05:35:43,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2025-03-08 05:35:43,748 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:43,748 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:43,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-08 05:35:43,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-08 05:35:43,949 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:43,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:43,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1116557135, now seen corresponding path program 1 times [2025-03-08 05:35:43,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:43,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040374265] [2025-03-08 05:35:43,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:43,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:43,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 210 statements into 1 equivalence classes. [2025-03-08 05:35:43,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 210 of 210 statements. [2025-03-08 05:35:43,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:43,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:44,006 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-08 05:35:44,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:44,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040374265] [2025-03-08 05:35:44,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040374265] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:44,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:44,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:35:44,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150376448] [2025-03-08 05:35:44,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:44,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:44,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:44,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:44,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:44,008 INFO L87 Difference]: Start difference. First operand 1219 states and 1896 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 05:35:44,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:44,049 INFO L93 Difference]: Finished difference Result 2804 states and 4433 transitions. [2025-03-08 05:35:44,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:44,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 210 [2025-03-08 05:35:44,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:44,058 INFO L225 Difference]: With dead ends: 2804 [2025-03-08 05:35:44,058 INFO L226 Difference]: Without dead ends: 1716 [2025-03-08 05:35:44,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:44,062 INFO L435 NwaCegarLoop]: 857 mSDtfsCounter, 163 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1694 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 [2025-03-08 05:35:44,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1694 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:44,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2025-03-08 05:35:44,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1708. [2025-03-08 05:35:44,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1382 states have (on average 1.536179450072359) internal successors, (2123), 1397 states have internal predecessors, (2123), 277 states have call successors, (277), 44 states have call predecessors, (277), 48 states have return successors, (308), 275 states have call predecessors, (308), 276 states have call successors, (308) [2025-03-08 05:35:44,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2708 transitions. [2025-03-08 05:35:44,116 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2708 transitions. Word has length 210 [2025-03-08 05:35:44,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:44,116 INFO L471 AbstractCegarLoop]: Abstraction has 1708 states and 2708 transitions. [2025-03-08 05:35:44,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 05:35:44,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2708 transitions. [2025-03-08 05:35:44,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-03-08 05:35:44,122 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:44,122 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:44,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 05:35:44,123 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:44,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:44,123 INFO L85 PathProgramCache]: Analyzing trace with hash 2067061123, now seen corresponding path program 1 times [2025-03-08 05:35:44,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:44,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585108601] [2025-03-08 05:35:44,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:44,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:44,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-03-08 05:35:44,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-03-08 05:35:44,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:44,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-08 05:35:44,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:44,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585108601] [2025-03-08 05:35:44,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585108601] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:44,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:44,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:35:44,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452649876] [2025-03-08 05:35:44,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:44,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:44,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:44,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:44,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:44,201 INFO L87 Difference]: Start difference. First operand 1708 states and 2708 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 05:35:44,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:44,275 INFO L93 Difference]: Finished difference Result 4023 states and 6446 transitions. [2025-03-08 05:35:44,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:44,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 211 [2025-03-08 05:35:44,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:44,288 INFO L225 Difference]: With dead ends: 4023 [2025-03-08 05:35:44,289 INFO L226 Difference]: Without dead ends: 2505 [2025-03-08 05:35:44,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:44,295 INFO L435 NwaCegarLoop]: 855 mSDtfsCounter, 161 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 1698 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 [2025-03-08 05:35:44,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 1698 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:44,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2025-03-08 05:35:44,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2497. [2025-03-08 05:35:44,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 2052 states have (on average 1.5511695906432748) internal successors, (3183), 2067 states have internal predecessors, (3183), 396 states have call successors, (396), 44 states have call predecessors, (396), 48 states have return successors, (427), 394 states have call predecessors, (427), 395 states have call successors, (427) [2025-03-08 05:35:44,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 4006 transitions. [2025-03-08 05:35:44,372 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 4006 transitions. Word has length 211 [2025-03-08 05:35:44,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:44,373 INFO L471 AbstractCegarLoop]: Abstraction has 2497 states and 4006 transitions. [2025-03-08 05:35:44,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 05:35:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 4006 transitions. [2025-03-08 05:35:44,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2025-03-08 05:35:44,382 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:44,382 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:44,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 05:35:44,382 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:44,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:44,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1157383376, now seen corresponding path program 1 times [2025-03-08 05:35:44,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:44,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323861641] [2025-03-08 05:35:44,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:44,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:44,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 212 statements into 1 equivalence classes. [2025-03-08 05:35:44,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 212 of 212 statements. [2025-03-08 05:35:44,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:44,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:44,438 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-08 05:35:44,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:44,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323861641] [2025-03-08 05:35:44,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323861641] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:44,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:44,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:35:44,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89810111] [2025-03-08 05:35:44,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:44,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:44,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:44,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:44,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:44,440 INFO L87 Difference]: Start difference. First operand 2497 states and 4006 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 05:35:44,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:44,530 INFO L93 Difference]: Finished difference Result 5876 states and 9523 transitions. [2025-03-08 05:35:44,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:44,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 212 [2025-03-08 05:35:44,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:44,547 INFO L225 Difference]: With dead ends: 5876 [2025-03-08 05:35:44,547 INFO L226 Difference]: Without dead ends: 3719 [2025-03-08 05:35:44,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:44,553 INFO L435 NwaCegarLoop]: 851 mSDtfsCounter, 159 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1691 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 [2025-03-08 05:35:44,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1691 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:44,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3719 states. [2025-03-08 05:35:44,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3719 to 3711. [2025-03-08 05:35:44,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3711 states, 3104 states have (on average 1.5637886597938144) internal successors, (4854), 3119 states have internal predecessors, (4854), 558 states have call successors, (558), 44 states have call predecessors, (558), 48 states have return successors, (605), 556 states have call predecessors, (605), 557 states have call successors, (605) [2025-03-08 05:35:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3711 states to 3711 states and 6017 transitions. [2025-03-08 05:35:44,686 INFO L78 Accepts]: Start accepts. Automaton has 3711 states and 6017 transitions. Word has length 212 [2025-03-08 05:35:44,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:44,687 INFO L471 AbstractCegarLoop]: Abstraction has 3711 states and 6017 transitions. [2025-03-08 05:35:44,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 05:35:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3711 states and 6017 transitions. [2025-03-08 05:35:44,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2025-03-08 05:35:44,701 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:44,701 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:44,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 05:35:44,701 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:44,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:44,702 INFO L85 PathProgramCache]: Analyzing trace with hash -985318345, now seen corresponding path program 1 times [2025-03-08 05:35:44,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:44,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100397393] [2025-03-08 05:35:44,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:44,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:44,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-03-08 05:35:44,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-03-08 05:35:44,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:44,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:44,761 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-08 05:35:44,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:44,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100397393] [2025-03-08 05:35:44,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100397393] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:44,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:44,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:35:44,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043003321] [2025-03-08 05:35:44,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:44,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:44,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:44,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:44,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:44,763 INFO L87 Difference]: Start difference. First operand 3711 states and 6017 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:35:44,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:44,890 INFO L93 Difference]: Finished difference Result 8801 states and 14398 transitions. [2025-03-08 05:35:44,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:44,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 220 [2025-03-08 05:35:44,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:44,918 INFO L225 Difference]: With dead ends: 8801 [2025-03-08 05:35:44,918 INFO L226 Difference]: Without dead ends: 5678 [2025-03-08 05:35:44,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:44,929 INFO L435 NwaCegarLoop]: 851 mSDtfsCounter, 157 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1691 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 [2025-03-08 05:35:44,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 1691 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:44,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5678 states. [2025-03-08 05:35:45,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5678 to 5670. [2025-03-08 05:35:45,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5670 states, 4818 states have (on average 1.574304690743047) internal successors, (7585), 4833 states have internal predecessors, (7585), 803 states have call successors, (803), 44 states have call predecessors, (803), 48 states have return successors, (876), 801 states have call predecessors, (876), 802 states have call successors, (876) [2025-03-08 05:35:45,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5670 states to 5670 states and 9264 transitions. [2025-03-08 05:35:45,123 INFO L78 Accepts]: Start accepts. Automaton has 5670 states and 9264 transitions. Word has length 220 [2025-03-08 05:35:45,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:45,124 INFO L471 AbstractCegarLoop]: Abstraction has 5670 states and 9264 transitions. [2025-03-08 05:35:45,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:35:45,125 INFO L276 IsEmpty]: Start isEmpty. Operand 5670 states and 9264 transitions. [2025-03-08 05:35:45,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2025-03-08 05:35:45,161 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:45,161 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:45,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-08 05:35:45,162 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:45,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:45,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1844323468, now seen corresponding path program 1 times [2025-03-08 05:35:45,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:45,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328957893] [2025-03-08 05:35:45,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:45,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:45,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 221 statements into 1 equivalence classes. [2025-03-08 05:35:45,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 221 of 221 statements. [2025-03-08 05:35:45,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:45,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-08 05:35:45,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:45,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328957893] [2025-03-08 05:35:45,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328957893] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:45,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:45,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:35:45,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141652050] [2025-03-08 05:35:45,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:45,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:45,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:45,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:45,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:45,221 INFO L87 Difference]: Start difference. First operand 5670 states and 9264 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:35:45,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:45,381 INFO L93 Difference]: Finished difference Result 13661 states and 22463 transitions. [2025-03-08 05:35:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:45,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 221 [2025-03-08 05:35:45,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:45,428 INFO L225 Difference]: With dead ends: 13661 [2025-03-08 05:35:45,428 INFO L226 Difference]: Without dead ends: 8959 [2025-03-08 05:35:45,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:45,442 INFO L435 NwaCegarLoop]: 857 mSDtfsCounter, 155 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1694 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 [2025-03-08 05:35:45,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 1694 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:45,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8959 states. [2025-03-08 05:35:45,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8959 to 8951. [2025-03-08 05:35:45,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8951 states, 7606 states have (on average 1.5731001840652117) internal successors, (11965), 7621 states have internal predecessors, (11965), 1296 states have call successors, (1296), 44 states have call predecessors, (1296), 48 states have return successors, (1413), 1294 states have call predecessors, (1413), 1295 states have call successors, (1413) [2025-03-08 05:35:45,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8951 states to 8951 states and 14674 transitions. [2025-03-08 05:35:45,823 INFO L78 Accepts]: Start accepts. Automaton has 8951 states and 14674 transitions. Word has length 221 [2025-03-08 05:35:45,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:45,823 INFO L471 AbstractCegarLoop]: Abstraction has 8951 states and 14674 transitions. [2025-03-08 05:35:45,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:35:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 8951 states and 14674 transitions. [2025-03-08 05:35:45,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-03-08 05:35:45,854 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:45,854 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:45,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-08 05:35:45,854 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:45,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:45,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1614262149, now seen corresponding path program 1 times [2025-03-08 05:35:45,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:45,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780751594] [2025-03-08 05:35:45,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:45,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:45,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-03-08 05:35:45,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-03-08 05:35:45,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:45,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-08 05:35:45,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:45,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780751594] [2025-03-08 05:35:45,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780751594] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:45,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:45,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:35:45,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555806796] [2025-03-08 05:35:45,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:45,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:45,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:45,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:45,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:45,948 INFO L87 Difference]: Start difference. First operand 8951 states and 14674 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 05:35:46,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:46,241 INFO L93 Difference]: Finished difference Result 22376 states and 36990 transitions. [2025-03-08 05:35:46,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:46,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 215 [2025-03-08 05:35:46,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:46,285 INFO L225 Difference]: With dead ends: 22376 [2025-03-08 05:35:46,286 INFO L226 Difference]: Without dead ends: 14867 [2025-03-08 05:35:46,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:46,302 INFO L435 NwaCegarLoop]: 853 mSDtfsCounter, 153 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 1696 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 [2025-03-08 05:35:46,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 1696 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:46,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14867 states. [2025-03-08 05:35:46,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14867 to 14859. [2025-03-08 05:35:46,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14859 states, 12692 states have (on average 1.5798140560983296) internal successors, (20051), 12707 states have internal predecessors, (20051), 2118 states have call successors, (2118), 44 states have call predecessors, (2118), 48 states have return successors, (2313), 2116 states have call predecessors, (2313), 2117 states have call successors, (2313) [2025-03-08 05:35:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14859 states to 14859 states and 24482 transitions. [2025-03-08 05:35:46,758 INFO L78 Accepts]: Start accepts. Automaton has 14859 states and 24482 transitions. Word has length 215 [2025-03-08 05:35:46,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:46,759 INFO L471 AbstractCegarLoop]: Abstraction has 14859 states and 24482 transitions. [2025-03-08 05:35:46,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 05:35:46,759 INFO L276 IsEmpty]: Start isEmpty. Operand 14859 states and 24482 transitions. [2025-03-08 05:35:46,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2025-03-08 05:35:46,795 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:46,795 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:46,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-08 05:35:46,796 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:46,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:46,796 INFO L85 PathProgramCache]: Analyzing trace with hash -265563827, now seen corresponding path program 1 times [2025-03-08 05:35:46,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:46,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892484748] [2025-03-08 05:35:46,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:46,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:46,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 223 statements into 1 equivalence classes. [2025-03-08 05:35:46,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 223 of 223 statements. [2025-03-08 05:35:46,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:46,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-08 05:35:46,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:46,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892484748] [2025-03-08 05:35:46,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892484748] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:46,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:46,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:35:46,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315903406] [2025-03-08 05:35:46,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:46,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:46,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:46,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:46,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:46,857 INFO L87 Difference]: Start difference. First operand 14859 states and 24482 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:35:47,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:47,442 INFO L93 Difference]: Finished difference Result 35745 states and 58653 transitions. [2025-03-08 05:35:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:47,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 223 [2025-03-08 05:35:47,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:47,526 INFO L225 Difference]: With dead ends: 35745 [2025-03-08 05:35:47,527 INFO L226 Difference]: Without dead ends: 23433 [2025-03-08 05:35:47,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:47,566 INFO L435 NwaCegarLoop]: 874 mSDtfsCounter, 151 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 1691 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 [2025-03-08 05:35:47,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 1691 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:47,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23433 states. [2025-03-08 05:35:48,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23433 to 23425. [2025-03-08 05:35:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23425 states, 20055 states have (on average 1.5540264273248567) internal successors, (31166), 20070 states have internal predecessors, (31166), 3321 states have call successors, (3321), 44 states have call predecessors, (3321), 48 states have return successors, (3660), 3319 states have call predecessors, (3660), 3320 states have call successors, (3660) [2025-03-08 05:35:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23425 states to 23425 states and 38147 transitions. [2025-03-08 05:35:48,419 INFO L78 Accepts]: Start accepts. Automaton has 23425 states and 38147 transitions. Word has length 223 [2025-03-08 05:35:48,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:48,419 INFO L471 AbstractCegarLoop]: Abstraction has 23425 states and 38147 transitions. [2025-03-08 05:35:48,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:35:48,419 INFO L276 IsEmpty]: Start isEmpty. Operand 23425 states and 38147 transitions. [2025-03-08 05:35:48,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2025-03-08 05:35:48,465 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:48,465 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:48,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-08 05:35:48,465 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:48,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:48,466 INFO L85 PathProgramCache]: Analyzing trace with hash 543445365, now seen corresponding path program 1 times [2025-03-08 05:35:48,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:48,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059086414] [2025-03-08 05:35:48,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:48,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:48,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 224 statements into 1 equivalence classes. [2025-03-08 05:35:48,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 224 of 224 statements. [2025-03-08 05:35:48,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:48,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-08 05:35:48,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:48,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059086414] [2025-03-08 05:35:48,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059086414] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:48,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:48,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:35:48,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21367731] [2025-03-08 05:35:48,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:48,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:48,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:48,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:48,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:48,528 INFO L87 Difference]: Start difference. First operand 23425 states and 38147 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:35:49,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:49,237 INFO L93 Difference]: Finished difference Result 61763 states and 100966 transitions. [2025-03-08 05:35:49,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:49,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 224 [2025-03-08 05:35:49,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:49,365 INFO L225 Difference]: With dead ends: 61763 [2025-03-08 05:35:49,366 INFO L226 Difference]: Without dead ends: 41660 [2025-03-08 05:35:49,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:49,403 INFO L435 NwaCegarLoop]: 851 mSDtfsCounter, 149 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1695 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 [2025-03-08 05:35:49,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1695 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:49,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41660 states. [2025-03-08 05:35:50,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41660 to 41652. [2025-03-08 05:35:50,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41652 states, 35832 states have (on average 1.5543927215896405) internal successors, (55697), 35847 states have internal predecessors, (55697), 5771 states have call successors, (5771), 44 states have call predecessors, (5771), 48 states have return successors, (6384), 5769 states have call predecessors, (6384), 5770 states have call successors, (6384) [2025-03-08 05:35:50,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41652 states to 41652 states and 67852 transitions. [2025-03-08 05:35:50,910 INFO L78 Accepts]: Start accepts. Automaton has 41652 states and 67852 transitions. Word has length 224 [2025-03-08 05:35:50,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:50,911 INFO L471 AbstractCegarLoop]: Abstraction has 41652 states and 67852 transitions. [2025-03-08 05:35:50,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:35:50,911 INFO L276 IsEmpty]: Start isEmpty. Operand 41652 states and 67852 transitions. [2025-03-08 05:35:50,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2025-03-08 05:35:50,973 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:50,974 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:50,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-08 05:35:50,974 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:50,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:50,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1175549326, now seen corresponding path program 1 times [2025-03-08 05:35:50,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:50,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784556255] [2025-03-08 05:35:50,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:50,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:50,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-03-08 05:35:51,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-03-08 05:35:51,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:51,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:51,051 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-08 05:35:51,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:51,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784556255] [2025-03-08 05:35:51,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784556255] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:51,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:51,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:35:51,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14748706] [2025-03-08 05:35:51,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:51,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:51,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:51,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:51,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:51,054 INFO L87 Difference]: Start difference. First operand 41652 states and 67852 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:35:52,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:52,659 INFO L93 Difference]: Finished difference Result 112810 states and 184773 transitions. [2025-03-08 05:35:52,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:52,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 225 [2025-03-08 05:35:52,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:52,945 INFO L225 Difference]: With dead ends: 112810 [2025-03-08 05:35:52,945 INFO L226 Difference]: Without dead ends: 75610 [2025-03-08 05:35:53,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:53,020 INFO L435 NwaCegarLoop]: 853 mSDtfsCounter, 147 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1696 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 [2025-03-08 05:35:53,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1696 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:53,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75610 states. [2025-03-08 05:35:55,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75610 to 75602. [2025-03-08 05:35:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75602 states, 65269 states have (on average 1.55858064318436) internal successors, (101727), 65284 states have internal predecessors, (101727), 10284 states have call successors, (10284), 44 states have call predecessors, (10284), 48 states have return successors, (11429), 10282 states have call predecessors, (11429), 10283 states have call successors, (11429) [2025-03-08 05:35:55,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75602 states to 75602 states and 123440 transitions. [2025-03-08 05:35:55,466 INFO L78 Accepts]: Start accepts. Automaton has 75602 states and 123440 transitions. Word has length 225 [2025-03-08 05:35:55,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:35:55,466 INFO L471 AbstractCegarLoop]: Abstraction has 75602 states and 123440 transitions. [2025-03-08 05:35:55,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:35:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 75602 states and 123440 transitions. [2025-03-08 05:35:55,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2025-03-08 05:35:55,555 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:35:55,555 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:35:55,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-08 05:35:55,556 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:35:55,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:35:55,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1064077236, now seen corresponding path program 1 times [2025-03-08 05:35:55,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:35:55,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401629512] [2025-03-08 05:35:55,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:35:55,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:35:55,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 226 statements into 1 equivalence classes. [2025-03-08 05:35:55,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 226 of 226 statements. [2025-03-08 05:35:55,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:35:55,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:35:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-08 05:35:55,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:35:55,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401629512] [2025-03-08 05:35:55,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401629512] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:35:55,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:35:55,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:35:55,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465311068] [2025-03-08 05:35:55,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:35:55,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:35:55,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:35:55,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:35:55,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:55,642 INFO L87 Difference]: Start difference. First operand 75602 states and 123440 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:35:58,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:35:58,577 INFO L93 Difference]: Finished difference Result 141242 states and 231436 transitions. [2025-03-08 05:35:58,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:35:58,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 226 [2025-03-08 05:35:58,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:59,080 INFO L225 Difference]: With dead ends: 141242 [2025-03-08 05:35:59,081 INFO L226 Difference]: Without dead ends: 140914 [2025-03-08 05:35:59,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:59,129 INFO L435 NwaCegarLoop]: 860 mSDtfsCounter, 141 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:35:59,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1710 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:59,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140914 states. [2025-03-08 05:36:02,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140914 to 140906. [2025-03-08 05:36:02,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140906 states, 122205 states have (on average 1.5579313448713228) internal successors, (190387), 122220 states have internal predecessors, (190387), 18652 states have call successors, (18652), 44 states have call predecessors, (18652), 48 states have return successors, (20843), 18650 states have call predecessors, (20843), 18651 states have call successors, (20843) [2025-03-08 05:36:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140906 states to 140906 states and 229882 transitions. [2025-03-08 05:36:03,396 INFO L78 Accepts]: Start accepts. Automaton has 140906 states and 229882 transitions. Word has length 226 [2025-03-08 05:36:03,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:36:03,397 INFO L471 AbstractCegarLoop]: Abstraction has 140906 states and 229882 transitions. [2025-03-08 05:36:03,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-08 05:36:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 140906 states and 229882 transitions. [2025-03-08 05:36:03,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2025-03-08 05:36:03,518 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:36:03,518 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:36:03,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-08 05:36:03,518 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:36:03,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:36:03,519 INFO L85 PathProgramCache]: Analyzing trace with hash 663590060, now seen corresponding path program 1 times [2025-03-08 05:36:03,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:36:03,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146718049] [2025-03-08 05:36:03,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:36:03,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:36:03,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-03-08 05:36:03,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-03-08 05:36:03,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:36:03,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:36:03,942 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2025-03-08 05:36:03,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:36:03,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146718049] [2025-03-08 05:36:03,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146718049] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:36:03,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836971490] [2025-03-08 05:36:03,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:36:03,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:36:03,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:36:03,944 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 05:36:03,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-08 05:36:04,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-03-08 05:36:04,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-03-08 05:36:04,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:36:04,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:36:04,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 1567 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-08 05:36:04,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:36:04,778 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2025-03-08 05:36:04,778 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:36:04,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836971490] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:36:04,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:36:04,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14] total 26 [2025-03-08 05:36:04,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884816159] [2025-03-08 05:36:04,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:36:04,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-08 05:36:04,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:36:04,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-08 05:36:04,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2025-03-08 05:36:04,780 INFO L87 Difference]: Start difference. First operand 140906 states and 229882 transitions. Second operand has 14 states, 12 states have (on average 11.75) internal successors, (141), 11 states have internal predecessors, (141), 6 states have call successors, (32), 5 states have call predecessors, (32), 6 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27)