./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_spec9_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 a46e94d21677d8e787ff51041171bb0d6a97c638f1cb1f2181c1b14c15718344 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:17:17,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:17:17,481 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:17:17,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:17:17,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:17:17,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:17:17,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:17:17,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:17:17,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:17:17,518 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:17:17,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:17:17,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:17:17,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:17:17,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:17:17,526 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:17:17,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:17:17,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:17:17,527 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:17:17,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:17:17,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:17:17,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:17:17,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:17:17,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:17:17,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:17:17,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:17:17,532 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:17:17,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:17:17,533 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:17:17,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:17:17,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:17:17,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:17:17,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:17:17,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:17:17,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:17:17,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:17:17,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:17:17,536 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:17:17,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:17:17,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:17:17,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:17:17,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:17:17,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:17:17,538 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a46e94d21677d8e787ff51041171bb0d6a97c638f1cb1f2181c1b14c15718344 [2024-11-18 14:17:17,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:17:17,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:17:17,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:17:17,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:17:17,848 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:17:17,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2024-11-18 14:17:19,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:17:19,621 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:17:19,621 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2024-11-18 14:17:19,647 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a05a281/5e062a1ead794aac8c2beb82b9ee3418/FLAGa9f98d11f [2024-11-18 14:17:19,865 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a05a281/5e062a1ead794aac8c2beb82b9ee3418 [2024-11-18 14:17:19,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:17:19,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:17:19,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:17:19,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:17:19,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:17:19,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:17:19" (1/1) ... [2024-11-18 14:17:19,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126a3420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:19, skipping insertion in model container [2024-11-18 14:17:19,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:17:19" (1/1) ... [2024-11-18 14:17:19,953 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:17:20,685 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_spec9_productSimulator.cil.c[31629,31642] [2024-11-18 14:17:20,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:17:20,895 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:17:20,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-11-18 14:17:20,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [335] [2024-11-18 14:17:20,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [747] [2024-11-18 14:17:20,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1323] [2024-11-18 14:17:20,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1686] [2024-11-18 14:17:20,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1695] [2024-11-18 14:17:20,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [2061] [2024-11-18 14:17:20,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2103] [2024-11-18 14:17:20,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2210] [2024-11-18 14:17:20,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2414] [2024-11-18 14:17:20,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [2431] [2024-11-18 14:17:20,959 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_spec9_productSimulator.cil.c[31629,31642] [2024-11-18 14:17:21,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:17:21,106 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:17:21,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21 WrapperNode [2024-11-18 14:17:21,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:17:21,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:17:21,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:17:21,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:17:21,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21" (1/1) ... [2024-11-18 14:17:21,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21" (1/1) ... [2024-11-18 14:17:21,254 INFO L138 Inliner]: procedures = 152, calls = 266, calls flagged for inlining = 68, calls inlined = 65, statements flattened = 1331 [2024-11-18 14:17:21,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:17:21,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:17:21,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:17:21,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:17:21,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21" (1/1) ... [2024-11-18 14:17:21,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21" (1/1) ... [2024-11-18 14:17:21,280 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21" (1/1) ... [2024-11-18 14:17:21,322 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]. [2024-11-18 14:17:21,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21" (1/1) ... [2024-11-18 14:17:21,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21" (1/1) ... [2024-11-18 14:17:21,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21" (1/1) ... [2024-11-18 14:17:21,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21" (1/1) ... [2024-11-18 14:17:21,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21" (1/1) ... [2024-11-18 14:17:21,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21" (1/1) ... [2024-11-18 14:17:21,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:17:21,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:17:21,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:17:21,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:17:21,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21" (1/1) ... [2024-11-18 14:17:21,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:17:21,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:17:21,473 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) [2024-11-18 14:17:21,476 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 [2024-11-18 14:17:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-18 14:17:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-18 14:17:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2024-11-18 14:17:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2024-11-18 14:17:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2024-11-18 14:17:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2024-11-18 14:17:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-18 14:17:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-18 14:17:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-18 14:17:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-18 14:17:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-18 14:17:21,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-18 14:17:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-18 14:17:21,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-18 14:17:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2024-11-18 14:17:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2024-11-18 14:17:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-18 14:17:21,540 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-18 14:17:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2024-11-18 14:17:21,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2024-11-18 14:17:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-18 14:17:21,542 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-18 14:17:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-18 14:17:21,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-18 14:17:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-18 14:17:21,542 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-18 14:17:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2024-11-18 14:17:21,542 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2024-11-18 14:17:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2024-11-18 14:17:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2024-11-18 14:17:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-18 14:17:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-18 14:17:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-18 14:17:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-18 14:17:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-18 14:17:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-18 14:17:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2024-11-18 14:17:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2024-11-18 14:17:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-18 14:17:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-18 14:17:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-18 14:17:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-18 14:17:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-18 14:17:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-18 14:17:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2024-11-18 14:17:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2024-11-18 14:17:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:17:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-18 14:17:21,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-18 14:17:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-18 14:17:21,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-18 14:17:21,547 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2024-11-18 14:17:21,548 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2024-11-18 14:17:21,548 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2024-11-18 14:17:21,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2024-11-18 14:17:21,548 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2024-11-18 14:17:21,549 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2024-11-18 14:17:21,549 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-18 14:17:21,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-18 14:17:21,549 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-18 14:17:21,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-18 14:17:21,549 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-18 14:17:21,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-18 14:17:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-18 14:17:21,550 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-18 14:17:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-18 14:17:21,550 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-18 14:17:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-18 14:17:21,550 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-18 14:17:21,551 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-18 14:17:21,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-18 14:17:21,551 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2024-11-18 14:17:21,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2024-11-18 14:17:21,551 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2024-11-18 14:17:21,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2024-11-18 14:17:21,552 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-18 14:17:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-18 14:17:21,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-18 14:17:21,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-18 14:17:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:17:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 14:17:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 14:17:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 14:17:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-18 14:17:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-18 14:17:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2024-11-18 14:17:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2024-11-18 14:17:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2024-11-18 14:17:21,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2024-11-18 14:17:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-18 14:17:21,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-18 14:17:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:17:21,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:17:21,874 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:17:21,880 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:17:23,181 INFO L? ?]: Removed 629 outVars from TransFormulas that were not future-live. [2024-11-18 14:17:23,182 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:17:23,218 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:17:23,218 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 14:17:23,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:17:23 BoogieIcfgContainer [2024-11-18 14:17:23,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:17:23,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:17:23,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:17:23,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:17:23,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:17:19" (1/3) ... [2024-11-18 14:17:23,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d651b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:17:23, skipping insertion in model container [2024-11-18 14:17:23,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:21" (2/3) ... [2024-11-18 14:17:23,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d651b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:17:23, skipping insertion in model container [2024-11-18 14:17:23,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:17:23" (3/3) ... [2024-11-18 14:17:23,255 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_productSimulator.cil.c [2024-11-18 14:17:23,276 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:17:23,276 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:17:23,382 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:17:23,395 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;@2355d671, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:17:23,396 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:17:23,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 604 states, 449 states have (on average 1.5144766146993318) internal successors, (680), 469 states have internal predecessors, (680), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-18 14:17:23,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-18 14:17:23,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:23,444 INFO L215 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] [2024-11-18 14:17:23,447 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:23,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:23,453 INFO L85 PathProgramCache]: Analyzing trace with hash -83815788, now seen corresponding path program 1 times [2024-11-18 14:17:23,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:23,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451925856] [2024-11-18 14:17:23,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:23,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:23,947 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-18 14:17:23,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:23,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451925856] [2024-11-18 14:17:23,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451925856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:23,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:23,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 14:17:23,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620564205] [2024-11-18 14:17:23,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:23,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:17:23,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:23,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:17:23,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:17:23,988 INFO L87 Difference]: Start difference. First operand has 604 states, 449 states have (on average 1.5144766146993318) internal successors, (680), 469 states have internal predecessors, (680), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:17:24,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:24,070 INFO L93 Difference]: Finished difference Result 939 states and 1379 transitions. [2024-11-18 14:17:24,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:17:24,073 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 127 [2024-11-18 14:17:24,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:24,093 INFO L225 Difference]: With dead ends: 939 [2024-11-18 14:17:24,094 INFO L226 Difference]: Without dead ends: 597 [2024-11-18 14:17:24,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:17:24,105 INFO L432 NwaCegarLoop]: 896 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:17:24,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:24,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-18 14:17:24,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2024-11-18 14:17:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 443 states have (on average 1.510158013544018) internal successors, (669), 462 states have internal predecessors, (669), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-18 14:17:24,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 888 transitions. [2024-11-18 14:17:24,223 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 888 transitions. Word has length 127 [2024-11-18 14:17:24,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:24,226 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 888 transitions. [2024-11-18 14:17:24,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:17:24,227 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 888 transitions. [2024-11-18 14:17:24,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-18 14:17:24,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:24,233 INFO L215 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] [2024-11-18 14:17:24,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:17:24,234 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:24,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:24,235 INFO L85 PathProgramCache]: Analyzing trace with hash -205639368, now seen corresponding path program 1 times [2024-11-18 14:17:24,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:24,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098871739] [2024-11-18 14:17:24,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:24,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:24,713 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-18 14:17:24,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:24,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098871739] [2024-11-18 14:17:24,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098871739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:24,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:24,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:17:24,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681169123] [2024-11-18 14:17:24,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:24,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:17:24,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:24,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:17:24,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:17:24,720 INFO L87 Difference]: Start difference. First operand 597 states and 888 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:17:24,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:24,882 INFO L93 Difference]: Finished difference Result 1158 states and 1720 transitions. [2024-11-18 14:17:24,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:17:24,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 128 [2024-11-18 14:17:24,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:24,896 INFO L225 Difference]: With dead ends: 1158 [2024-11-18 14:17:24,897 INFO L226 Difference]: Without dead ends: 597 [2024-11-18 14:17:24,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:17:24,902 INFO L432 NwaCegarLoop]: 886 mSDtfsCounter, 0 mSDsluCounter, 2646 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3532 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:17:24,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3532 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:24,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-18 14:17:24,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2024-11-18 14:17:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 443 states have (on average 1.4943566591422122) internal successors, (662), 462 states have internal predecessors, (662), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-18 14:17:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 881 transitions. [2024-11-18 14:17:24,951 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 881 transitions. Word has length 128 [2024-11-18 14:17:24,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:24,951 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 881 transitions. [2024-11-18 14:17:24,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:17:24,952 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 881 transitions. [2024-11-18 14:17:24,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-18 14:17:24,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:24,956 INFO L215 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] [2024-11-18 14:17:24,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:17:24,956 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:24,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:24,957 INFO L85 PathProgramCache]: Analyzing trace with hash 666795941, now seen corresponding path program 1 times [2024-11-18 14:17:24,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:24,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482528075] [2024-11-18 14:17:24,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:24,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:25,271 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-18 14:17:25,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:25,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482528075] [2024-11-18 14:17:25,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482528075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:25,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:25,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:17:25,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600165515] [2024-11-18 14:17:25,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:25,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:25,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:25,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:25,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:17:25,280 INFO L87 Difference]: Start difference. First operand 597 states and 881 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-18 14:17:25,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:25,365 INFO L93 Difference]: Finished difference Result 1168 states and 1744 transitions. [2024-11-18 14:17:25,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:25,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 133 [2024-11-18 14:17:25,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:25,373 INFO L225 Difference]: With dead ends: 1168 [2024-11-18 14:17:25,374 INFO L226 Difference]: Without dead ends: 596 [2024-11-18 14:17:25,377 INFO L431 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 [2024-11-18 14:17:25,379 INFO L432 NwaCegarLoop]: 865 mSDtfsCounter, 847 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 874 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 [2024-11-18 14:17:25,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 874 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:25,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-18 14:17:25,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2024-11-18 14:17:25,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 444 states have (on average 1.481981981981982) internal successors, (658), 461 states have internal predecessors, (658), 107 states have call successors, (107), 44 states have call predecessors, (107), 44 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-18 14:17:25,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 871 transitions. [2024-11-18 14:17:25,433 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 871 transitions. Word has length 133 [2024-11-18 14:17:25,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:25,434 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 871 transitions. [2024-11-18 14:17:25,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-18 14:17:25,434 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 871 transitions. [2024-11-18 14:17:25,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-18 14:17:25,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:25,441 INFO L215 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] [2024-11-18 14:17:25,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:17:25,441 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:25,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:25,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1484727997, now seen corresponding path program 1 times [2024-11-18 14:17:25,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:25,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973614199] [2024-11-18 14:17:25,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:25,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:25,594 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-18 14:17:25,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:25,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973614199] [2024-11-18 14:17:25,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973614199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:25,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:25,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:17:25,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706683174] [2024-11-18 14:17:25,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:25,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:25,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:25,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:25,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:17:25,600 INFO L87 Difference]: Start difference. First operand 596 states and 871 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:17:25,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:25,652 INFO L93 Difference]: Finished difference Result 1161 states and 1712 transitions. [2024-11-18 14:17:25,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:25,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 149 [2024-11-18 14:17:25,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:25,662 INFO L225 Difference]: With dead ends: 1161 [2024-11-18 14:17:25,662 INFO L226 Difference]: Without dead ends: 595 [2024-11-18 14:17:25,666 INFO L431 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 [2024-11-18 14:17:25,667 INFO L432 NwaCegarLoop]: 863 mSDtfsCounter, 833 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 892 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 [2024-11-18 14:17:25,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 892 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:25,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-18 14:17:25,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2024-11-18 14:17:25,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 444 states have (on average 1.4774774774774775) internal successors, (656), 460 states have internal predecessors, (656), 106 states have call successors, (106), 44 states have call predecessors, (106), 44 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-18 14:17:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 867 transitions. [2024-11-18 14:17:25,744 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 867 transitions. Word has length 149 [2024-11-18 14:17:25,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:25,746 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 867 transitions. [2024-11-18 14:17:25,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:17:25,747 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 867 transitions. [2024-11-18 14:17:25,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-18 14:17:25,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:25,751 INFO L215 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] [2024-11-18 14:17:25,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:17:25,752 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:25,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:25,752 INFO L85 PathProgramCache]: Analyzing trace with hash -322453111, now seen corresponding path program 1 times [2024-11-18 14:17:25,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:25,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684138020] [2024-11-18 14:17:25,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:25,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:25,849 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-18 14:17:25,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:25,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684138020] [2024-11-18 14:17:25,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684138020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:25,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:25,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:17:25,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980066001] [2024-11-18 14:17:25,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:25,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:25,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:25,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:25,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:17:25,852 INFO L87 Difference]: Start difference. First operand 595 states and 867 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:17:25,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:25,923 INFO L93 Difference]: Finished difference Result 1141 states and 1670 transitions. [2024-11-18 14:17:25,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:25,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2024-11-18 14:17:25,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:25,929 INFO L225 Difference]: With dead ends: 1141 [2024-11-18 14:17:25,929 INFO L226 Difference]: Without dead ends: 592 [2024-11-18 14:17:25,931 INFO L431 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 [2024-11-18 14:17:25,933 INFO L432 NwaCegarLoop]: 836 mSDtfsCounter, 805 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 869 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 [2024-11-18 14:17:25,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 869 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:25,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2024-11-18 14:17:25,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2024-11-18 14:17:25,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 444 states have (on average 1.4527027027027026) internal successors, (645), 455 states have internal predecessors, (645), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-18 14:17:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 850 transitions. [2024-11-18 14:17:25,967 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 850 transitions. Word has length 150 [2024-11-18 14:17:25,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:25,968 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 850 transitions. [2024-11-18 14:17:25,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:17:25,968 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 850 transitions. [2024-11-18 14:17:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-18 14:17:25,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:25,972 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:25,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:17:25,972 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:25,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:25,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1147747537, now seen corresponding path program 1 times [2024-11-18 14:17:25,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:25,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940321247] [2024-11-18 14:17:25,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:25,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-18 14:17:26,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:26,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940321247] [2024-11-18 14:17:26,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940321247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:17:26,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763746362] [2024-11-18 14:17:26,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:26,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:17:26,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:17:26,359 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) [2024-11-18 14:17:26,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 14:17:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:26,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-18 14:17:26,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:17:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-18 14:17:26,859 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:17:26,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763746362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:26,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:17:26,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-18 14:17:26,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236089304] [2024-11-18 14:17:26,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:26,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:26,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:26,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:26,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:17:26,865 INFO L87 Difference]: Start difference. First operand 592 states and 850 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-18 14:17:26,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:26,916 INFO L93 Difference]: Finished difference Result 919 states and 1301 transitions. [2024-11-18 14:17:26,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:26,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 175 [2024-11-18 14:17:26,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:26,922 INFO L225 Difference]: With dead ends: 919 [2024-11-18 14:17:26,922 INFO L226 Difference]: Without dead ends: 595 [2024-11-18 14:17:26,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:17:26,927 INFO L432 NwaCegarLoop]: 846 mSDtfsCounter, 1 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:17:26,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1690 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:26,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-18 14:17:26,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 594. [2024-11-18 14:17:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 446 states have (on average 1.4506726457399104) internal successors, (647), 457 states have internal predecessors, (647), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-18 14:17:26,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 852 transitions. [2024-11-18 14:17:26,968 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 852 transitions. Word has length 175 [2024-11-18 14:17:26,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:26,970 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 852 transitions. [2024-11-18 14:17:26,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-18 14:17:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 852 transitions. [2024-11-18 14:17:26,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-18 14:17:26,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:26,975 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:27,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 14:17:27,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-18 14:17:27,181 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:27,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:27,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1478481, now seen corresponding path program 1 times [2024-11-18 14:17:27,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:27,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316561328] [2024-11-18 14:17:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:27,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-18 14:17:27,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:27,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316561328] [2024-11-18 14:17:27,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316561328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:17:27,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298485860] [2024-11-18 14:17:27,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:27,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:17:27,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:17:27,514 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) [2024-11-18 14:17:27,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 14:17:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:28,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:17:28,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:17:28,182 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-18 14:17:28,182 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:17:28,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298485860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:28,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:17:28,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-18 14:17:28,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028966675] [2024-11-18 14:17:28,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:28,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:28,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:28,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:28,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:17:28,192 INFO L87 Difference]: Start difference. First operand 594 states and 852 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, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-18 14:17:28,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:28,260 INFO L93 Difference]: Finished difference Result 1208 states and 1765 transitions. [2024-11-18 14:17:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:28,260 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, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 183 [2024-11-18 14:17:28,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:28,266 INFO L225 Difference]: With dead ends: 1208 [2024-11-18 14:17:28,266 INFO L226 Difference]: Without dead ends: 692 [2024-11-18 14:17:28,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:17:28,269 INFO L432 NwaCegarLoop]: 878 mSDtfsCounter, 165 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1679 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 [2024-11-18 14:17:28,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1679 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:28,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-18 14:17:28,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 684. [2024-11-18 14:17:28,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 522 states have (on average 1.4655172413793103) internal successors, (765), 533 states have internal predecessors, (765), 117 states have call successors, (117), 44 states have call predecessors, (117), 44 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-18 14:17:28,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 998 transitions. [2024-11-18 14:17:28,314 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 998 transitions. Word has length 183 [2024-11-18 14:17:28,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:28,314 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 998 transitions. [2024-11-18 14:17:28,314 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, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-18 14:17:28,314 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 998 transitions. [2024-11-18 14:17:28,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-18 14:17:28,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:28,318 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:28,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 14:17:28,522 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,SelfDestructingSolverStorable6 [2024-11-18 14:17:28,525 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:28,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:28,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1753463482, now seen corresponding path program 1 times [2024-11-18 14:17:28,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:28,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703995389] [2024-11-18 14:17:28,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:28,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:28,954 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-18 14:17:28,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:28,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703995389] [2024-11-18 14:17:28,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703995389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:17:28,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953575409] [2024-11-18 14:17:28,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:28,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:17:28,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:17:28,958 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) [2024-11-18 14:17:28,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 14:17:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:29,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 1403 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-18 14:17:29,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:17:29,455 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-18 14:17:29,457 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:17:29,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953575409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:29,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:17:29,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-18 14:17:29,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906557976] [2024-11-18 14:17:29,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:29,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:17:29,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:29,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:17:29,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-18 14:17:29,460 INFO L87 Difference]: Start difference. First operand 684 states and 998 transitions. Second operand has 8 states, 6 states have (on average 17.5) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-18 14:17:29,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:29,592 INFO L93 Difference]: Finished difference Result 1315 states and 1933 transitions. [2024-11-18 14:17:29,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 14:17:29,593 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 17.5) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 177 [2024-11-18 14:17:29,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:29,597 INFO L225 Difference]: With dead ends: 1315 [2024-11-18 14:17:29,598 INFO L226 Difference]: Without dead ends: 686 [2024-11-18 14:17:29,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-18 14:17:29,602 INFO L432 NwaCegarLoop]: 837 mSDtfsCounter, 4 mSDsluCounter, 5005 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5842 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:17:29,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5842 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:17:29,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-11-18 14:17:29,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2024-11-18 14:17:29,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 523 states have (on average 1.4646271510516253) internal successors, (766), 535 states have internal predecessors, (766), 117 states have call successors, (117), 44 states have call predecessors, (117), 45 states have return successors, (118), 115 states have call predecessors, (118), 116 states have call successors, (118) [2024-11-18 14:17:29,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1001 transitions. [2024-11-18 14:17:29,641 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1001 transitions. Word has length 177 [2024-11-18 14:17:29,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:29,642 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 1001 transitions. [2024-11-18 14:17:29,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 17.5) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-18 14:17:29,642 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1001 transitions. [2024-11-18 14:17:29,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-18 14:17:29,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:29,645 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:29,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-18 14:17:29,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:17:29,847 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:29,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:29,847 INFO L85 PathProgramCache]: Analyzing trace with hash 670274511, now seen corresponding path program 1 times [2024-11-18 14:17:29,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:29,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486233598] [2024-11-18 14:17:29,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:29,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:30,139 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-18 14:17:30,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:30,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486233598] [2024-11-18 14:17:30,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486233598] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:17:30,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717220854] [2024-11-18 14:17:30,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:30,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:17:30,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:17:30,142 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) [2024-11-18 14:17:30,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-18 14:17:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:30,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 1434 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-18 14:17:30,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:17:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-18 14:17:30,639 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:17:30,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717220854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:30,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:17:30,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-18 14:17:30,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977958147] [2024-11-18 14:17:30,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:30,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:17:30,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:30,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:17:30,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-18 14:17:30,642 INFO L87 Difference]: Start difference. First operand 686 states and 1001 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-18 14:17:30,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:30,804 INFO L93 Difference]: Finished difference Result 1316 states and 1937 transitions. [2024-11-18 14:17:30,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:17:30,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 185 [2024-11-18 14:17:30,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:30,810 INFO L225 Difference]: With dead ends: 1316 [2024-11-18 14:17:30,811 INFO L226 Difference]: Without dead ends: 688 [2024-11-18 14:17:30,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-18 14:17:30,815 INFO L432 NwaCegarLoop]: 837 mSDtfsCounter, 2 mSDsluCounter, 3331 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4168 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:17:30,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4168 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:17:30,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-18 14:17:30,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2024-11-18 14:17:30,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 524 states have (on average 1.463740458015267) internal successors, (767), 537 states have internal predecessors, (767), 117 states have call successors, (117), 44 states have call predecessors, (117), 46 states have return successors, (123), 115 states have call predecessors, (123), 116 states have call successors, (123) [2024-11-18 14:17:30,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1007 transitions. [2024-11-18 14:17:30,860 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1007 transitions. Word has length 185 [2024-11-18 14:17:30,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:30,860 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 1007 transitions. [2024-11-18 14:17:30,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-18 14:17:30,860 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1007 transitions. [2024-11-18 14:17:30,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-18 14:17:30,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:30,865 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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] [2024-11-18 14:17:30,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-18 14:17:31,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:17:31,069 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:31,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:31,070 INFO L85 PathProgramCache]: Analyzing trace with hash 17370659, now seen corresponding path program 1 times [2024-11-18 14:17:31,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:31,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693107780] [2024-11-18 14:17:31,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:31,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:31,509 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-18 14:17:31,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:31,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693107780] [2024-11-18 14:17:31,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693107780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:31,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:31,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:17:31,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998798663] [2024-11-18 14:17:31,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:31,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:17:31,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:31,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:17:31,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:17:31,513 INFO L87 Difference]: Start difference. First operand 688 states and 1007 transitions. Second operand has 8 states, 6 states have (on average 18.0) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-18 14:17:31,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:31,651 INFO L93 Difference]: Finished difference Result 1304 states and 1924 transitions. [2024-11-18 14:17:31,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 14:17:31,652 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 18.0) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 186 [2024-11-18 14:17:31,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:31,658 INFO L225 Difference]: With dead ends: 1304 [2024-11-18 14:17:31,658 INFO L226 Difference]: Without dead ends: 688 [2024-11-18 14:17:31,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:17:31,662 INFO L432 NwaCegarLoop]: 838 mSDtfsCounter, 4 mSDsluCounter, 5011 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5849 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:17:31,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5849 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:17:31,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-18 14:17:31,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2024-11-18 14:17:31,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 524 states have (on average 1.463740458015267) internal successors, (767), 537 states have internal predecessors, (767), 117 states have call successors, (117), 44 states have call predecessors, (117), 46 states have return successors, (122), 115 states have call predecessors, (122), 116 states have call successors, (122) [2024-11-18 14:17:31,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1006 transitions. [2024-11-18 14:17:31,702 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1006 transitions. Word has length 186 [2024-11-18 14:17:31,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:31,703 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 1006 transitions. [2024-11-18 14:17:31,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 18.0) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-18 14:17:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1006 transitions. [2024-11-18 14:17:31,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-18 14:17:31,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:31,708 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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] [2024-11-18 14:17:31,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 14:17:31,708 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:31,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:31,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1744226737, now seen corresponding path program 2 times [2024-11-18 14:17:31,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:31,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763963093] [2024-11-18 14:17:31,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 14:17:31,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:31,786 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-18 14:17:31,800 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 14:17:32,007 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-18 14:17:32,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:32,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763963093] [2024-11-18 14:17:32,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763963093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:32,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:32,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:17:32,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917388237] [2024-11-18 14:17:32,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:32,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:17:32,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:32,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:17:32,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:17:32,010 INFO L87 Difference]: Start difference. First operand 688 states and 1006 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-18 14:17:32,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:32,099 INFO L93 Difference]: Finished difference Result 1301 states and 1918 transitions. [2024-11-18 14:17:32,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:17:32,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 187 [2024-11-18 14:17:32,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:32,108 INFO L225 Difference]: With dead ends: 1301 [2024-11-18 14:17:32,138 INFO L226 Difference]: Without dead ends: 688 [2024-11-18 14:17:32,140 INFO L431 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 [2024-11-18 14:17:32,141 INFO L432 NwaCegarLoop]: 838 mSDtfsCounter, 2 mSDsluCounter, 3335 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4173 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 [2024-11-18 14:17:32,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4173 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:32,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-18 14:17:32,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2024-11-18 14:17:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 524 states have (on average 1.463740458015267) internal successors, (767), 537 states have internal predecessors, (767), 117 states have call successors, (117), 44 states have call predecessors, (117), 46 states have return successors, (121), 115 states have call predecessors, (121), 116 states have call successors, (121) [2024-11-18 14:17:32,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1005 transitions. [2024-11-18 14:17:32,179 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1005 transitions. Word has length 187 [2024-11-18 14:17:32,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:32,180 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 1005 transitions. [2024-11-18 14:17:32,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-18 14:17:32,180 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1005 transitions. [2024-11-18 14:17:32,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-18 14:17:32,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:32,184 INFO L215 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] [2024-11-18 14:17:32,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 14:17:32,185 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:32,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:32,185 INFO L85 PathProgramCache]: Analyzing trace with hash 648960697, now seen corresponding path program 3 times [2024-11-18 14:17:32,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:32,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586324497] [2024-11-18 14:17:32,186 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-18 14:17:32,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:32,229 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-18 14:17:32,229 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 14:17:32,656 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-18 14:17:32,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:32,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586324497] [2024-11-18 14:17:32,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586324497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:32,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:32,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:17:32,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497963482] [2024-11-18 14:17:32,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:32,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:32,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:32,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:32,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:17:32,658 INFO L87 Difference]: Start difference. First operand 688 states and 1005 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-18 14:17:32,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:32,766 INFO L93 Difference]: Finished difference Result 1124 states and 1628 transitions. [2024-11-18 14:17:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:32,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 188 [2024-11-18 14:17:32,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:32,776 INFO L225 Difference]: With dead ends: 1124 [2024-11-18 14:17:32,776 INFO L226 Difference]: Without dead ends: 808 [2024-11-18 14:17:32,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:17:32,779 INFO L432 NwaCegarLoop]: 847 mSDtfsCounter, 494 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 1281 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 [2024-11-18 14:17:32,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 1281 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:32,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2024-11-18 14:17:32,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 807. [2024-11-18 14:17:32,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 615 states have (on average 1.4780487804878049) internal successors, (909), 632 states have internal predecessors, (909), 135 states have call successors, (135), 58 states have call predecessors, (135), 56 states have return successors, (135), 126 states have call predecessors, (135), 130 states have call successors, (135) [2024-11-18 14:17:32,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1179 transitions. [2024-11-18 14:17:32,857 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1179 transitions. Word has length 188 [2024-11-18 14:17:32,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:32,858 INFO L471 AbstractCegarLoop]: Abstraction has 807 states and 1179 transitions. [2024-11-18 14:17:32,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-18 14:17:32,858 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1179 transitions. [2024-11-18 14:17:32,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-18 14:17:32,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:32,864 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:32,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 14:17:32,865 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:32,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:32,865 INFO L85 PathProgramCache]: Analyzing trace with hash -143549851, now seen corresponding path program 1 times [2024-11-18 14:17:32,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:32,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672015698] [2024-11-18 14:17:32,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:32,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-18 14:17:33,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:33,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672015698] [2024-11-18 14:17:33,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672015698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:33,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:33,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:17:33,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727536537] [2024-11-18 14:17:33,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:33,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:17:33,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:33,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:17:33,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:17:33,399 INFO L87 Difference]: Start difference. First operand 807 states and 1179 transitions. Second operand has 8 states, 6 states have (on average 26.333333333333332) internal successors, (158), 8 states have internal predecessors, (158), 4 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2024-11-18 14:17:33,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:33,515 INFO L93 Difference]: Finished difference Result 1544 states and 2273 transitions. [2024-11-18 14:17:33,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 14:17:33,516 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 26.333333333333332) internal successors, (158), 8 states have internal predecessors, (158), 4 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) Word has length 305 [2024-11-18 14:17:33,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:33,522 INFO L225 Difference]: With dead ends: 1544 [2024-11-18 14:17:33,522 INFO L226 Difference]: Without dead ends: 809 [2024-11-18 14:17:33,525 INFO L431 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 [2024-11-18 14:17:33,526 INFO L432 NwaCegarLoop]: 839 mSDtfsCounter, 3 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5855 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:17:33,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5855 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:17:33,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2024-11-18 14:17:33,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 809. [2024-11-18 14:17:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 616 states have (on average 1.4772727272727273) internal successors, (910), 634 states have internal predecessors, (910), 135 states have call successors, (135), 58 states have call predecessors, (135), 57 states have return successors, (137), 126 states have call predecessors, (137), 130 states have call successors, (137) [2024-11-18 14:17:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1182 transitions. [2024-11-18 14:17:33,570 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1182 transitions. Word has length 305 [2024-11-18 14:17:33,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:33,571 INFO L471 AbstractCegarLoop]: Abstraction has 809 states and 1182 transitions. [2024-11-18 14:17:33,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 26.333333333333332) internal successors, (158), 8 states have internal predecessors, (158), 4 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2024-11-18 14:17:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1182 transitions. [2024-11-18 14:17:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-18 14:17:33,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:33,578 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:33,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 14:17:33,578 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:33,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:33,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1753559246, now seen corresponding path program 1 times [2024-11-18 14:17:33,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:33,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287257727] [2024-11-18 14:17:33,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:33,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:33,917 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-18 14:17:33,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:33,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287257727] [2024-11-18 14:17:33,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287257727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:33,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:33,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-18 14:17:33,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635664419] [2024-11-18 14:17:33,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:33,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 14:17:33,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:33,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 14:17:33,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:17:33,922 INFO L87 Difference]: Start difference. First operand 809 states and 1182 transitions. Second operand has 9 states, 7 states have (on average 23.285714285714285) internal successors, (163), 8 states have internal predecessors, (163), 4 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2024-11-18 14:17:34,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:34,226 INFO L93 Difference]: Finished difference Result 1543 states and 2275 transitions. [2024-11-18 14:17:34,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-18 14:17:34,226 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 23.285714285714285) internal successors, (163), 8 states have internal predecessors, (163), 4 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 306 [2024-11-18 14:17:34,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:34,233 INFO L225 Difference]: With dead ends: 1543 [2024-11-18 14:17:34,234 INFO L226 Difference]: Without dead ends: 811 [2024-11-18 14:17:34,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-18 14:17:34,238 INFO L432 NwaCegarLoop]: 833 mSDtfsCounter, 4 mSDsluCounter, 5801 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6634 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:17:34,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6634 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:17:34,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-18 14:17:34,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 811. [2024-11-18 14:17:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 617 states have (on average 1.4764991896272286) internal successors, (911), 636 states have internal predecessors, (911), 135 states have call successors, (135), 58 states have call predecessors, (135), 58 states have return successors, (142), 126 states have call predecessors, (142), 130 states have call successors, (142) [2024-11-18 14:17:34,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1188 transitions. [2024-11-18 14:17:34,287 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1188 transitions. Word has length 306 [2024-11-18 14:17:34,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:34,288 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1188 transitions. [2024-11-18 14:17:34,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 23.285714285714285) internal successors, (163), 8 states have internal predecessors, (163), 4 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2024-11-18 14:17:34,288 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1188 transitions. [2024-11-18 14:17:34,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-18 14:17:34,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:34,295 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:34,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-18 14:17:34,296 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:34,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:34,296 INFO L85 PathProgramCache]: Analyzing trace with hash -873763493, now seen corresponding path program 1 times [2024-11-18 14:17:34,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:34,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579222710] [2024-11-18 14:17:34,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:34,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:34,527 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-18 14:17:34,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:34,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579222710] [2024-11-18 14:17:34,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579222710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:17:34,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752978853] [2024-11-18 14:17:34,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:34,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:17:34,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:17:34,530 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) [2024-11-18 14:17:34,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-18 14:17:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:35,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 2069 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:17:35,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:17:35,426 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-18 14:17:35,426 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:17:35,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752978853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:35,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:17:35,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-18 14:17:35,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847769404] [2024-11-18 14:17:35,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:35,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:35,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:35,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:35,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:17:35,430 INFO L87 Difference]: Start difference. First operand 811 states and 1188 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-18 14:17:35,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:35,542 INFO L93 Difference]: Finished difference Result 2328 states and 3456 transitions. [2024-11-18 14:17:35,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:35,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 307 [2024-11-18 14:17:35,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:35,559 INFO L225 Difference]: With dead ends: 2328 [2024-11-18 14:17:35,560 INFO L226 Difference]: Without dead ends: 1552 [2024-11-18 14:17:35,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:17:35,566 INFO L432 NwaCegarLoop]: 896 mSDtfsCounter, 724 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:17:35,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 1713 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:35,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2024-11-18 14:17:35,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1550. [2024-11-18 14:17:35,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1183 states have (on average 1.4809805579036348) internal successors, (1752), 1215 states have internal predecessors, (1752), 252 states have call successors, (252), 114 states have call predecessors, (252), 114 states have return successors, (283), 237 states have call predecessors, (283), 244 states have call successors, (283) [2024-11-18 14:17:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2287 transitions. [2024-11-18 14:17:35,665 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2287 transitions. Word has length 307 [2024-11-18 14:17:35,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:35,666 INFO L471 AbstractCegarLoop]: Abstraction has 1550 states and 2287 transitions. [2024-11-18 14:17:35,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-18 14:17:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2287 transitions. [2024-11-18 14:17:35,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-18 14:17:35,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:35,676 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:35,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-18 14:17:35,876 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,SelfDestructingSolverStorable14 [2024-11-18 14:17:35,877 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:35,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:35,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1128466487, now seen corresponding path program 1 times [2024-11-18 14:17:35,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:35,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497848130] [2024-11-18 14:17:35,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:35,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:36,071 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-18 14:17:36,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:36,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497848130] [2024-11-18 14:17:36,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497848130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:17:36,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899543344] [2024-11-18 14:17:36,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:36,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:17:36,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:17:36,074 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) [2024-11-18 14:17:36,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-18 14:17:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:36,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 2030 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:17:36,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:17:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-18 14:17:36,667 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 14:17:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-18 14:17:36,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899543344] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 14:17:36,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 14:17:36,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-18 14:17:36,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046206309] [2024-11-18 14:17:36,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 14:17:36,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 14:17:36,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:36,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 14:17:36,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:17:36,929 INFO L87 Difference]: Start difference. First operand 1550 states and 2287 transitions. Second operand has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-18 14:17:37,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:37,246 INFO L93 Difference]: Finished difference Result 3523 states and 5336 transitions. [2024-11-18 14:17:37,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:17:37,247 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 299 [2024-11-18 14:17:37,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:37,272 INFO L225 Difference]: With dead ends: 3523 [2024-11-18 14:17:37,272 INFO L226 Difference]: Without dead ends: 2676 [2024-11-18 14:17:37,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 600 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:17:37,279 INFO L432 NwaCegarLoop]: 895 mSDtfsCounter, 487 mSDsluCounter, 2717 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 3612 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:17:37,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 3612 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:17:37,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2024-11-18 14:17:37,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2628. [2024-11-18 14:17:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2628 states, 2103 states have (on average 1.5216357584403233) internal successors, (3200), 2135 states have internal predecessors, (3200), 410 states have call successors, (410), 114 states have call predecessors, (410), 114 states have return successors, (461), 395 states have call predecessors, (461), 402 states have call successors, (461) [2024-11-18 14:17:37,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 4071 transitions. [2024-11-18 14:17:37,425 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 4071 transitions. Word has length 299 [2024-11-18 14:17:37,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:37,426 INFO L471 AbstractCegarLoop]: Abstraction has 2628 states and 4071 transitions. [2024-11-18 14:17:37,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-18 14:17:37,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 4071 transitions. [2024-11-18 14:17:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-18 14:17:37,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:37,442 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:37,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-18 14:17:37,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-18 14:17:37,647 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:37,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:37,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1074101095, now seen corresponding path program 1 times [2024-11-18 14:17:37,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:37,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930886883] [2024-11-18 14:17:37,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:37,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-18 14:17:37,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:37,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930886883] [2024-11-18 14:17:37,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930886883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:37,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:37,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:17:37,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049637636] [2024-11-18 14:17:37,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:37,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:37,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:37,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:37,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:17:37,776 INFO L87 Difference]: Start difference. First operand 2628 states and 4071 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-18 14:17:37,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:37,919 INFO L93 Difference]: Finished difference Result 6037 states and 9484 transitions. [2024-11-18 14:17:37,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:37,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 303 [2024-11-18 14:17:37,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:37,940 INFO L225 Difference]: With dead ends: 6037 [2024-11-18 14:17:37,941 INFO L226 Difference]: Without dead ends: 3646 [2024-11-18 14:17:37,951 INFO L431 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 [2024-11-18 14:17:37,952 INFO L432 NwaCegarLoop]: 853 mSDtfsCounter, 163 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1686 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 [2024-11-18 14:17:37,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1686 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:37,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3646 states. [2024-11-18 14:17:38,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3646 to 3630. [2024-11-18 14:17:38,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3630 states, 2947 states have (on average 1.5310485239226332) internal successors, (4512), 2979 states have internal predecessors, (4512), 568 states have call successors, (568), 114 states have call predecessors, (568), 114 states have return successors, (639), 553 states have call predecessors, (639), 560 states have call successors, (639) [2024-11-18 14:17:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3630 states to 3630 states and 5719 transitions. [2024-11-18 14:17:38,130 INFO L78 Accepts]: Start accepts. Automaton has 3630 states and 5719 transitions. Word has length 303 [2024-11-18 14:17:38,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:38,132 INFO L471 AbstractCegarLoop]: Abstraction has 3630 states and 5719 transitions. [2024-11-18 14:17:38,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-18 14:17:38,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3630 states and 5719 transitions. [2024-11-18 14:17:38,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-11-18 14:17:38,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:38,153 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:38,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-18 14:17:38,153 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:38,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:38,153 INFO L85 PathProgramCache]: Analyzing trace with hash 660692985, now seen corresponding path program 1 times [2024-11-18 14:17:38,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:38,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776404762] [2024-11-18 14:17:38,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:38,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-18 14:17:38,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:38,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776404762] [2024-11-18 14:17:38,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776404762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:38,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:38,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:17:38,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039472073] [2024-11-18 14:17:38,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:38,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:38,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:38,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:38,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:17:38,269 INFO L87 Difference]: Start difference. First operand 3630 states and 5719 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-18 14:17:38,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:38,457 INFO L93 Difference]: Finished difference Result 8531 states and 13566 transitions. [2024-11-18 14:17:38,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:38,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 283 [2024-11-18 14:17:38,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:38,498 INFO L225 Difference]: With dead ends: 8531 [2024-11-18 14:17:38,499 INFO L226 Difference]: Without dead ends: 5264 [2024-11-18 14:17:38,514 INFO L431 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 [2024-11-18 14:17:38,515 INFO L432 NwaCegarLoop]: 849 mSDtfsCounter, 161 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 1688 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 [2024-11-18 14:17:38,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 1688 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:38,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5264 states. [2024-11-18 14:17:38,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5264 to 5248. [2024-11-18 14:17:38,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5248 states, 4327 states have (on average 1.541945920961405) internal successors, (6672), 4359 states have internal predecessors, (6672), 806 states have call successors, (806), 114 states have call predecessors, (806), 114 states have return successors, (877), 791 states have call predecessors, (877), 798 states have call successors, (877) [2024-11-18 14:17:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5248 states to 5248 states and 8355 transitions. [2024-11-18 14:17:38,772 INFO L78 Accepts]: Start accepts. Automaton has 5248 states and 8355 transitions. Word has length 283 [2024-11-18 14:17:38,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:38,773 INFO L471 AbstractCegarLoop]: Abstraction has 5248 states and 8355 transitions. [2024-11-18 14:17:38,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-18 14:17:38,774 INFO L276 IsEmpty]: Start isEmpty. Operand 5248 states and 8355 transitions. [2024-11-18 14:17:38,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-18 14:17:38,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:38,803 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:38,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-18 14:17:38,804 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:38,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:38,804 INFO L85 PathProgramCache]: Analyzing trace with hash 254734822, now seen corresponding path program 1 times [2024-11-18 14:17:38,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:38,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817152059] [2024-11-18 14:17:38,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:38,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-18 14:17:38,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:38,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817152059] [2024-11-18 14:17:38,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817152059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:38,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:38,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:17:38,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660145515] [2024-11-18 14:17:38,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:38,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:38,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:38,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:38,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:17:38,992 INFO L87 Difference]: Start difference. First operand 5248 states and 8355 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-18 14:17:39,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:39,298 INFO L93 Difference]: Finished difference Result 13000 states and 20774 transitions. [2024-11-18 14:17:39,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:39,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 286 [2024-11-18 14:17:39,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:39,364 INFO L225 Difference]: With dead ends: 13000 [2024-11-18 14:17:39,365 INFO L226 Difference]: Without dead ends: 7793 [2024-11-18 14:17:39,389 INFO L431 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 [2024-11-18 14:17:39,390 INFO L432 NwaCegarLoop]: 1532 mSDtfsCounter, 802 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 2282 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:17:39,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 2282 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:39,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7793 states. [2024-11-18 14:17:40,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7793 to 7791. [2024-11-18 14:17:40,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7791 states, 6432 states have (on average 1.542754975124378) internal successors, (9923), 6474 states have internal predecessors, (9923), 1191 states have call successors, (1191), 167 states have call predecessors, (1191), 167 states have return successors, (1300), 1169 states have call predecessors, (1300), 1179 states have call successors, (1300) [2024-11-18 14:17:40,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7791 states to 7791 states and 12414 transitions. [2024-11-18 14:17:40,118 INFO L78 Accepts]: Start accepts. Automaton has 7791 states and 12414 transitions. Word has length 286 [2024-11-18 14:17:40,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:40,118 INFO L471 AbstractCegarLoop]: Abstraction has 7791 states and 12414 transitions. [2024-11-18 14:17:40,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-18 14:17:40,119 INFO L276 IsEmpty]: Start isEmpty. Operand 7791 states and 12414 transitions. [2024-11-18 14:17:40,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-18 14:17:40,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:40,162 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:40,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-18 14:17:40,163 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:40,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:40,164 INFO L85 PathProgramCache]: Analyzing trace with hash 512658822, now seen corresponding path program 1 times [2024-11-18 14:17:40,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:40,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874557243] [2024-11-18 14:17:40,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:40,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:40,279 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-18 14:17:40,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:40,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874557243] [2024-11-18 14:17:40,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874557243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:40,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:40,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:17:40,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589743177] [2024-11-18 14:17:40,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:40,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:40,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:40,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:40,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:17:40,283 INFO L87 Difference]: Start difference. First operand 7791 states and 12414 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-18 14:17:40,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:40,680 INFO L93 Difference]: Finished difference Result 18353 states and 29508 transitions. [2024-11-18 14:17:40,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:40,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 284 [2024-11-18 14:17:40,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:40,739 INFO L225 Difference]: With dead ends: 18353 [2024-11-18 14:17:40,739 INFO L226 Difference]: Without dead ends: 11556 [2024-11-18 14:17:40,769 INFO L431 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 [2024-11-18 14:17:40,771 INFO L432 NwaCegarLoop]: 847 mSDtfsCounter, 159 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1683 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 [2024-11-18 14:17:40,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1683 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:40,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11556 states. [2024-11-18 14:17:41,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11556 to 11532. [2024-11-18 14:17:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11532 states, 9687 states have (on average 1.5520801073603798) internal successors, (15035), 9729 states have internal predecessors, (15035), 1677 states have call successors, (1677), 167 states have call predecessors, (1677), 167 states have return successors, (1834), 1655 states have call predecessors, (1834), 1665 states have call successors, (1834) [2024-11-18 14:17:41,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11532 states to 11532 states and 18546 transitions. [2024-11-18 14:17:41,398 INFO L78 Accepts]: Start accepts. Automaton has 11532 states and 18546 transitions. Word has length 284 [2024-11-18 14:17:41,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:41,399 INFO L471 AbstractCegarLoop]: Abstraction has 11532 states and 18546 transitions. [2024-11-18 14:17:41,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-18 14:17:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 11532 states and 18546 transitions. [2024-11-18 14:17:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-18 14:17:41,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:41,459 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:41,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-18 14:17:41,459 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:41,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:41,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1958566275, now seen corresponding path program 1 times [2024-11-18 14:17:41,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:41,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648218996] [2024-11-18 14:17:41,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:41,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-18 14:17:41,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:41,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648218996] [2024-11-18 14:17:41,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648218996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:41,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:41,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:17:41,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647426896] [2024-11-18 14:17:41,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:41,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:41,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:41,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:41,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:17:41,577 INFO L87 Difference]: Start difference. First operand 11532 states and 18546 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-18 14:17:42,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:42,521 INFO L93 Difference]: Finished difference Result 27359 states and 44364 transitions. [2024-11-18 14:17:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:42,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 306 [2024-11-18 14:17:42,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:42,626 INFO L225 Difference]: With dead ends: 27359 [2024-11-18 14:17:42,627 INFO L226 Difference]: Without dead ends: 17598 [2024-11-18 14:17:42,679 INFO L431 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 [2024-11-18 14:17:42,680 INFO L432 NwaCegarLoop]: 847 mSDtfsCounter, 157 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1683 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 [2024-11-18 14:17:42,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 1683 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:42,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17598 states. [2024-11-18 14:17:43,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17598 to 17574. [2024-11-18 14:17:43,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17574 states, 14994 states have (on average 1.56015739629185) internal successors, (23393), 15036 states have internal predecessors, (23393), 2412 states have call successors, (2412), 167 states have call predecessors, (2412), 167 states have return successors, (2647), 2390 states have call predecessors, (2647), 2400 states have call successors, (2647) [2024-11-18 14:17:43,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17574 states to 17574 states and 28452 transitions. [2024-11-18 14:17:43,851 INFO L78 Accepts]: Start accepts. Automaton has 17574 states and 28452 transitions. Word has length 306 [2024-11-18 14:17:43,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:43,852 INFO L471 AbstractCegarLoop]: Abstraction has 17574 states and 28452 transitions. [2024-11-18 14:17:43,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-18 14:17:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 17574 states and 28452 transitions. [2024-11-18 14:17:43,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-18 14:17:43,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:43,941 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:43,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-18 14:17:43,941 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:43,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:43,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1634925231, now seen corresponding path program 1 times [2024-11-18 14:17:43,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:43,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089065339] [2024-11-18 14:17:43,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:43,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:44,056 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-18 14:17:44,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:44,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089065339] [2024-11-18 14:17:44,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089065339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:44,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:44,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:17:44,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341853004] [2024-11-18 14:17:44,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:44,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:44,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:44,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:44,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:17:44,059 INFO L87 Difference]: Start difference. First operand 17574 states and 28452 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-18 14:17:44,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:44,972 INFO L93 Difference]: Finished difference Result 42338 states and 68958 transitions. [2024-11-18 14:17:44,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:44,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 286 [2024-11-18 14:17:44,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:45,101 INFO L225 Difference]: With dead ends: 42338 [2024-11-18 14:17:45,102 INFO L226 Difference]: Without dead ends: 27723 [2024-11-18 14:17:45,154 INFO L431 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 [2024-11-18 14:17:45,155 INFO L432 NwaCegarLoop]: 860 mSDtfsCounter, 155 mSDsluCounter, 834 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 [2024-11-18 14:17:45,155 INFO L433 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] [2024-11-18 14:17:45,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27723 states. [2024-11-18 14:17:46,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27723 to 27699. [2024-11-18 14:17:46,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27699 states, 23640 states have (on average 1.5573181049069373) internal successors, (36815), 23682 states have internal predecessors, (36815), 3891 states have call successors, (3891), 167 states have call predecessors, (3891), 167 states have return successors, (4258), 3869 states have call predecessors, (4258), 3879 states have call successors, (4258) [2024-11-18 14:17:46,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27699 states to 27699 states and 44964 transitions. [2024-11-18 14:17:46,925 INFO L78 Accepts]: Start accepts. Automaton has 27699 states and 44964 transitions. Word has length 286 [2024-11-18 14:17:46,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:46,926 INFO L471 AbstractCegarLoop]: Abstraction has 27699 states and 44964 transitions. [2024-11-18 14:17:46,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-18 14:17:46,926 INFO L276 IsEmpty]: Start isEmpty. Operand 27699 states and 44964 transitions. [2024-11-18 14:17:47,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-18 14:17:47,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:47,030 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:47,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-18 14:17:47,031 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:47,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:47,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1670133658, now seen corresponding path program 1 times [2024-11-18 14:17:47,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:47,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058743052] [2024-11-18 14:17:47,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:47,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-18 14:17:47,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:47,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058743052] [2024-11-18 14:17:47,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058743052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:47,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:47,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:17:47,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050723789] [2024-11-18 14:17:47,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:47,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:47,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:47,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:47,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:17:47,151 INFO L87 Difference]: Start difference. First operand 27699 states and 44964 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-18 14:17:48,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:48,886 INFO L93 Difference]: Finished difference Result 69197 states and 113253 transitions. [2024-11-18 14:17:48,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:48,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 287 [2024-11-18 14:17:48,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:49,129 INFO L225 Difference]: With dead ends: 69197 [2024-11-18 14:17:49,129 INFO L226 Difference]: Without dead ends: 45945 [2024-11-18 14:17:49,207 INFO L431 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 [2024-11-18 14:17:49,208 INFO L432 NwaCegarLoop]: 847 mSDtfsCounter, 153 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 1686 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 [2024-11-18 14:17:49,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 1686 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:49,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45945 states. [2024-11-18 14:17:51,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45945 to 45921. [2024-11-18 14:17:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45921 states, 39396 states have (on average 1.5628744034927404) internal successors, (61571), 39438 states have internal predecessors, (61571), 6357 states have call successors, (6357), 167 states have call predecessors, (6357), 167 states have return successors, (6958), 6335 states have call predecessors, (6958), 6345 states have call successors, (6958) [2024-11-18 14:17:51,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45921 states to 45921 states and 74886 transitions. [2024-11-18 14:17:51,721 INFO L78 Accepts]: Start accepts. Automaton has 45921 states and 74886 transitions. Word has length 287 [2024-11-18 14:17:51,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:17:51,721 INFO L471 AbstractCegarLoop]: Abstraction has 45921 states and 74886 transitions. [2024-11-18 14:17:51,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-18 14:17:51,722 INFO L276 IsEmpty]: Start isEmpty. Operand 45921 states and 74886 transitions. [2024-11-18 14:17:51,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-18 14:17:51,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:17:51,882 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:17:51,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-18 14:17:51,882 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:17:51,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:17:51,883 INFO L85 PathProgramCache]: Analyzing trace with hash 717044906, now seen corresponding path program 1 times [2024-11-18 14:17:51,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:17:51,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468096951] [2024-11-18 14:17:51,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:17:51,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:17:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:17:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-18 14:17:52,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:17:52,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468096951] [2024-11-18 14:17:52,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468096951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:17:52,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:17:52,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:17:52,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655343640] [2024-11-18 14:17:52,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:17:52,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:17:52,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:17:52,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:17:52,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:17:52,371 INFO L87 Difference]: Start difference. First operand 45921 states and 74886 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-18 14:17:54,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:17:54,963 INFO L93 Difference]: Finished difference Result 110624 states and 179562 transitions. [2024-11-18 14:17:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:17:54,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 288 [2024-11-18 14:17:54,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:17:55,391 INFO L225 Difference]: With dead ends: 110624 [2024-11-18 14:17:55,391 INFO L226 Difference]: Without dead ends: 72552 [2024-11-18 14:17:55,693 INFO L431 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 [2024-11-18 14:17:55,694 INFO L432 NwaCegarLoop]: 855 mSDtfsCounter, 151 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 1667 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 [2024-11-18 14:17:55,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 1667 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:17:55,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72552 states. [2024-11-18 14:17:59,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72552 to 72528. [2024-11-18 14:17:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72528 states, 62394 states have (on average 1.5358047248132833) internal successors, (95825), 62436 states have internal predecessors, (95825), 9966 states have call successors, (9966), 167 states have call predecessors, (9966), 167 states have return successors, (10999), 9944 states have call predecessors, (10999), 9954 states have call successors, (10999) [2024-11-18 14:17:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72528 states to 72528 states and 116790 transitions. [2024-11-18 14:18:00,089 INFO L78 Accepts]: Start accepts. Automaton has 72528 states and 116790 transitions. Word has length 288 [2024-11-18 14:18:00,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:18:00,090 INFO L471 AbstractCegarLoop]: Abstraction has 72528 states and 116790 transitions. [2024-11-18 14:18:00,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-18 14:18:00,090 INFO L276 IsEmpty]: Start isEmpty. Operand 72528 states and 116790 transitions. [2024-11-18 14:18:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-18 14:18:00,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:18:00,451 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:18:00,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-18 14:18:00,451 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:18:00,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:18:00,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1689849942, now seen corresponding path program 1 times [2024-11-18 14:18:00,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:18:00,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510709330] [2024-11-18 14:18:00,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:18:00,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:18:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:18:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-18 14:18:00,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:18:00,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510709330] [2024-11-18 14:18:00,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510709330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:18:00,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:18:00,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:18:00,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423174376] [2024-11-18 14:18:00,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:18:00,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:18:00,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:18:00,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:18:00,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:18:00,555 INFO L87 Difference]: Start difference. First operand 72528 states and 116790 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-18 14:18:04,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:18:04,043 INFO L93 Difference]: Finished difference Result 191183 states and 309006 transitions. [2024-11-18 14:18:04,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:18:04,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 310 [2024-11-18 14:18:04,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:18:04,972 INFO L225 Difference]: With dead ends: 191183 [2024-11-18 14:18:04,973 INFO L226 Difference]: Without dead ends: 128940 [2024-11-18 14:18:05,150 INFO L431 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 [2024-11-18 14:18:05,151 INFO L432 NwaCegarLoop]: 847 mSDtfsCounter, 149 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1687 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 [2024-11-18 14:18:05,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1687 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:18:05,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128940 states. [2024-11-18 14:18:10,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128940 to 128916. [2024-11-18 14:18:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128916 states, 111432 states have (on average 1.5356899274894107) internal successors, (171125), 111474 states have internal predecessors, (171125), 17316 states have call successors, (17316), 167 states have call predecessors, (17316), 167 states have return successors, (19171), 17294 states have call predecessors, (19171), 17304 states have call successors, (19171) [2024-11-18 14:18:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128916 states to 128916 states and 207612 transitions. [2024-11-18 14:18:11,315 INFO L78 Accepts]: Start accepts. Automaton has 128916 states and 207612 transitions. Word has length 310 [2024-11-18 14:18:11,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:18:11,321 INFO L471 AbstractCegarLoop]: Abstraction has 128916 states and 207612 transitions. [2024-11-18 14:18:11,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-18 14:18:11,321 INFO L276 IsEmpty]: Start isEmpty. Operand 128916 states and 207612 transitions. [2024-11-18 14:18:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-18 14:18:11,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:18:11,922 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:18:11,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-18 14:18:11,922 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:18:11,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:18:11,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1435902691, now seen corresponding path program 1 times [2024-11-18 14:18:11,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:18:11,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477977561] [2024-11-18 14:18:11,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:18:11,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:18:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:18:12,033 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-18 14:18:12,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:18:12,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477977561] [2024-11-18 14:18:12,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477977561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:18:12,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:18:12,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:18:12,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062408670] [2024-11-18 14:18:12,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:18:12,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:18:12,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:18:12,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:18:12,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:18:12,036 INFO L87 Difference]: Start difference. First operand 128916 states and 207612 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-18 14:18:18,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:18:18,645 INFO L93 Difference]: Finished difference Result 349169 states and 565272 transitions. [2024-11-18 14:18:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:18:18,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 311 [2024-11-18 14:18:18,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:18:19,899 INFO L225 Difference]: With dead ends: 349169 [2024-11-18 14:18:19,899 INFO L226 Difference]: Without dead ends: 234066 [2024-11-18 14:18:20,108 INFO L431 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 [2024-11-18 14:18:20,108 INFO L432 NwaCegarLoop]: 847 mSDtfsCounter, 147 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1686 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 [2024-11-18 14:18:20,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1686 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:18:20,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234066 states.