/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec9_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 23:35:32,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 23:35:32,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 23:35:32,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 23:35:32,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 23:35:32,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 23:35:32,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 23:35:32,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 23:35:32,371 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 23:35:32,374 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 23:35:32,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 23:35:32,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 23:35:32,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 23:35:32,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 23:35:32,376 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 23:35:32,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 23:35:32,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 23:35:32,377 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 23:35:32,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 23:35:32,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 23:35:32,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 23:35:32,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 23:35:32,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 23:35:32,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 23:35:32,379 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 23:35:32,379 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 23:35:32,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 23:35:32,379 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 23:35:32,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 23:35:32,380 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 23:35:32,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 23:35:32,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 23:35:32,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:35:32,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 23:35:32,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 23:35:32,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 23:35:32,381 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 23:35:32,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 23:35:32,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 23:35:32,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 23:35:32,382 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 23:35:32,382 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 23:35:32,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 23:35:32,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 23:35:32,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 23:35:32,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 23:35:32,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 23:35:32,576 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 23:35:32,577 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 23:35:32,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_productSimulator.cil.c [2023-12-19 23:35:33,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 23:35:33,877 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 23:35:33,877 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_productSimulator.cil.c [2023-12-19 23:35:33,893 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97f126e9a/23d256aaeb9f4bfc83bdea87bda80464/FLAGc6427a0e5 [2023-12-19 23:35:33,903 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97f126e9a/23d256aaeb9f4bfc83bdea87bda80464 [2023-12-19 23:35:33,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 23:35:33,906 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 23:35:33,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 23:35:33,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 23:35:33,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 23:35:33,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:35:33" (1/1) ... [2023-12-19 23:35:33,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c28dd2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:33, skipping insertion in model container [2023-12-19 23:35:33,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:35:33" (1/1) ... [2023-12-19 23:35:33,964 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 23:35:34,299 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_productSimulator.cil.c[31629,31642] [2023-12-19 23:35:34,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:35:34,427 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 23:35:34,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2023-12-19 23:35:34,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [335] [2023-12-19 23:35:34,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [747] [2023-12-19 23:35:34,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1323] [2023-12-19 23:35:34,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1686] [2023-12-19 23:35:34,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1695] [2023-12-19 23:35:34,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [2061] [2023-12-19 23:35:34,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2103] [2023-12-19 23:35:34,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2210] [2023-12-19 23:35:34,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2414] [2023-12-19 23:35:34,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [2431] [2023-12-19 23:35:34,475 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_productSimulator.cil.c[31629,31642] [2023-12-19 23:35:34,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:35:34,552 INFO L206 MainTranslator]: Completed translation [2023-12-19 23:35:34,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34 WrapperNode [2023-12-19 23:35:34,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 23:35:34,553 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 23:35:34,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 23:35:34,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 23:35:34,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34" (1/1) ... [2023-12-19 23:35:34,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34" (1/1) ... [2023-12-19 23:35:34,622 INFO L138 Inliner]: procedures = 152, calls = 266, calls flagged for inlining = 68, calls inlined = 65, statements flattened = 1305 [2023-12-19 23:35:34,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 23:35:34,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 23:35:34,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 23:35:34,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 23:35:34,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34" (1/1) ... [2023-12-19 23:35:34,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34" (1/1) ... [2023-12-19 23:35:34,636 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34" (1/1) ... [2023-12-19 23:35:34,663 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]. [2023-12-19 23:35:34,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34" (1/1) ... [2023-12-19 23:35:34,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34" (1/1) ... [2023-12-19 23:35:34,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34" (1/1) ... [2023-12-19 23:35:34,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34" (1/1) ... [2023-12-19 23:35:34,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34" (1/1) ... [2023-12-19 23:35:34,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34" (1/1) ... [2023-12-19 23:35:34,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 23:35:34,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 23:35:34,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 23:35:34,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 23:35:34,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34" (1/1) ... [2023-12-19 23:35:34,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:35:34,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:35:34,744 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) [2023-12-19 23:35:34,781 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 [2023-12-19 23:35:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-19 23:35:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-19 23:35:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2023-12-19 23:35:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2023-12-19 23:35:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2023-12-19 23:35:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2023-12-19 23:35:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-19 23:35:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-19 23:35:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-19 23:35:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-19 23:35:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-19 23:35:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-19 23:35:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-19 23:35:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-19 23:35:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2023-12-19 23:35:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2023-12-19 23:35:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-19 23:35:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-19 23:35:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2023-12-19 23:35:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2023-12-19 23:35:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-19 23:35:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-19 23:35:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-19 23:35:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-19 23:35:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-19 23:35:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-19 23:35:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2023-12-19 23:35:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2023-12-19 23:35:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2023-12-19 23:35:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2023-12-19 23:35:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-19 23:35:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-19 23:35:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-19 23:35:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-19 23:35:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-19 23:35:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-19 23:35:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2023-12-19 23:35:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2023-12-19 23:35:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-19 23:35:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-19 23:35:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-19 23:35:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-19 23:35:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-19 23:35:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-19 23:35:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2023-12-19 23:35:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2023-12-19 23:35:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 23:35:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-19 23:35:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-19 23:35:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-19 23:35:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-19 23:35:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2023-12-19 23:35:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2023-12-19 23:35:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2023-12-19 23:35:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2023-12-19 23:35:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2023-12-19 23:35:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2023-12-19 23:35:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-19 23:35:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-19 23:35:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-19 23:35:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-19 23:35:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-19 23:35:34,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-19 23:35:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-19 23:35:34,805 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-19 23:35:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-19 23:35:34,806 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-19 23:35:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-19 23:35:34,806 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-19 23:35:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-19 23:35:34,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-19 23:35:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2023-12-19 23:35:34,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2023-12-19 23:35:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2023-12-19 23:35:34,806 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2023-12-19 23:35:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-19 23:35:34,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-19 23:35:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-19 23:35:34,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-19 23:35:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 23:35:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-19 23:35:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-19 23:35:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-19 23:35:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-19 23:35:34,808 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-19 23:35:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2023-12-19 23:35:34,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2023-12-19 23:35:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-12-19 23:35:34,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-12-19 23:35:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-19 23:35:34,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-19 23:35:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 23:35:34,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 23:35:35,004 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 23:35:35,007 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 23:35:35,713 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 23:35:35,771 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 23:35:35,771 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 23:35:35,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:35:35 BoogieIcfgContainer [2023-12-19 23:35:35,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 23:35:35,773 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 23:35:35,773 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 23:35:35,776 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 23:35:35,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 11:35:33" (1/3) ... [2023-12-19 23:35:35,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23bb104a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:35:35, skipping insertion in model container [2023-12-19 23:35:35,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:35:34" (2/3) ... [2023-12-19 23:35:35,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23bb104a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:35:35, skipping insertion in model container [2023-12-19 23:35:35,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:35:35" (3/3) ... [2023-12-19 23:35:35,778 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_productSimulator.cil.c [2023-12-19 23:35:35,789 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 23:35:35,789 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 23:35:35,841 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 23:35:35,845 INFO L357 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, mHoare=true, 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;@39c15991, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 23:35:35,845 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 23:35:35,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 574 states, 419 states have (on average 1.5513126491646778) internal successors, (650), 439 states have internal predecessors, (650), 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) [2023-12-19 23:35:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-19 23:35:35,873 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:35:35,873 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:35:35,874 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:35:35,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:35:35,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1064919616, now seen corresponding path program 1 times [2023-12-19 23:35:35,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:35:35,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985397892] [2023-12-19 23:35:35,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:35,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:35:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:35:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:35:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:35:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:35:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:35:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:35:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:35:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 23:35:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-19 23:35:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-19 23:35:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 23:35:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 23:35:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 23:35:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-19 23:35:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-19 23:35:36,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:35:36,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985397892] [2023-12-19 23:35:36,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985397892] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:35:36,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:35:36,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:35:36,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107546275] [2023-12-19 23:35:36,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:35:36,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:35:36,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:35:36,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:35:36,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:35:36,486 INFO L87 Difference]: Start difference. First operand has 574 states, 419 states have (on average 1.5513126491646778) internal successors, (650), 439 states have internal predecessors, (650), 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 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:35:38,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:35:38,547 INFO L93 Difference]: Finished difference Result 1248 states and 1940 transitions. [2023-12-19 23:35:38,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:35:38,549 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (23), 5 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 113 [2023-12-19 23:35:38,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:35:38,561 INFO L225 Difference]: With dead ends: 1248 [2023-12-19 23:35:38,561 INFO L226 Difference]: Without dead ends: 702 [2023-12-19 23:35:38,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-12-19 23:35:38,568 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 1314 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 2698 mSolverCounterSat, 583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 3281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 2698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-19 23:35:38,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 1412 Invalid, 3281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [583 Valid, 2698 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-19 23:35:38,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2023-12-19 23:35:38,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 571. [2023-12-19 23:35:38,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 417 states have (on average 1.525179856115108) internal successors, (636), 436 states have internal predecessors, (636), 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) [2023-12-19 23:35:38,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 855 transitions. [2023-12-19 23:35:38,644 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 855 transitions. Word has length 113 [2023-12-19 23:35:38,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:35:38,644 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 855 transitions. [2023-12-19 23:35:38,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:35:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 855 transitions. [2023-12-19 23:35:38,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 23:35:38,648 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:35:38,648 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:35:38,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 23:35:38,648 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:35:38,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:35:38,649 INFO L85 PathProgramCache]: Analyzing trace with hash -229799869, now seen corresponding path program 1 times [2023-12-19 23:35:38,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:35:38,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882004288] [2023-12-19 23:35:38,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:38,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:35:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:35:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:35:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:35:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:35:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:35:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:35:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:35:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-19 23:35:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-19 23:35:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 23:35:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 23:35:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-19 23:35:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 23:35:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-19 23:35:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-19 23:35:38,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:35:38,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882004288] [2023-12-19 23:35:38,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882004288] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:35:38,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:35:38,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 23:35:38,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868806979] [2023-12-19 23:35:38,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:35:38,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 23:35:38,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:35:38,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 23:35:38,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-19 23:35:38,785 INFO L87 Difference]: Start difference. First operand 571 states and 855 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:35:40,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:35:40,200 INFO L93 Difference]: Finished difference Result 1250 states and 1932 transitions. [2023-12-19 23:35:40,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:35:40,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 5 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 119 [2023-12-19 23:35:40,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:35:40,204 INFO L225 Difference]: With dead ends: 1250 [2023-12-19 23:35:40,204 INFO L226 Difference]: Without dead ends: 700 [2023-12-19 23:35:40,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:35:40,206 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 1978 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 738 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2006 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 1816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 738 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 23:35:40,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2006 Valid, 874 Invalid, 1816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [738 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 23:35:40,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2023-12-19 23:35:40,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 569. [2023-12-19 23:35:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 417 states have (on average 1.513189448441247) internal successors, (631), 434 states have internal predecessors, (631), 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) [2023-12-19 23:35:40,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 844 transitions. [2023-12-19 23:35:40,253 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 844 transitions. Word has length 119 [2023-12-19 23:35:40,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:35:40,253 INFO L495 AbstractCegarLoop]: Abstraction has 569 states and 844 transitions. [2023-12-19 23:35:40,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:35:40,254 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 844 transitions. [2023-12-19 23:35:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 23:35:40,255 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:35:40,256 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:35:40,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 23:35:40,256 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:35:40,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:35:40,256 INFO L85 PathProgramCache]: Analyzing trace with hash 545153456, now seen corresponding path program 1 times [2023-12-19 23:35:40,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:35:40,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024044253] [2023-12-19 23:35:40,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:40,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:35:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:35:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:35:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:35:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:35:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:35:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:35:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:35:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-12-19 23:35:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 23:35:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-19 23:35:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:35:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 23:35:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-19 23:35:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:35:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:35:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:35:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:35:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-19 23:35:40,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:35:40,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024044253] [2023-12-19 23:35:40,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024044253] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:35:40,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:35:40,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 23:35:40,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799702564] [2023-12-19 23:35:40,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:35:40,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 23:35:40,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:35:40,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 23:35:40,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-19 23:35:40,356 INFO L87 Difference]: Start difference. First operand 569 states and 844 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:35:41,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:35:41,707 INFO L93 Difference]: Finished difference Result 1242 states and 1892 transitions. [2023-12-19 23:35:41,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:35:41,707 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 142 [2023-12-19 23:35:41,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:35:41,711 INFO L225 Difference]: With dead ends: 1242 [2023-12-19 23:35:41,712 INFO L226 Difference]: Without dead ends: 698 [2023-12-19 23:35:41,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:35:41,714 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 1955 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1982 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 1812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 711 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:35:41,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1982 Valid, 892 Invalid, 1812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [711 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:35:41,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2023-12-19 23:35:41,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 568. [2023-12-19 23:35:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 417 states have (on average 1.5083932853717026) internal successors, (629), 433 states have internal predecessors, (629), 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) [2023-12-19 23:35:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 840 transitions. [2023-12-19 23:35:41,774 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 840 transitions. Word has length 142 [2023-12-19 23:35:41,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:35:41,775 INFO L495 AbstractCegarLoop]: Abstraction has 568 states and 840 transitions. [2023-12-19 23:35:41,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:35:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 840 transitions. [2023-12-19 23:35:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-19 23:35:41,777 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:35:41,777 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:35:41,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 23:35:41,777 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:35:41,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:35:41,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1954369493, now seen corresponding path program 1 times [2023-12-19 23:35:41,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:35:41,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479028194] [2023-12-19 23:35:41,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:41,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:35:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:35:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:35:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:35:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:35:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:35:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:35:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:35:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:35:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 23:35:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 23:35:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-19 23:35:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-19 23:35:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:35:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:35:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-19 23:35:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 23:35:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:41,874 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-19 23:35:41,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:35:41,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479028194] [2023-12-19 23:35:41,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479028194] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:35:41,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:35:41,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 23:35:41,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088391450] [2023-12-19 23:35:41,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:35:41,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 23:35:41,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:35:41,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 23:35:41,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-19 23:35:41,876 INFO L87 Difference]: Start difference. First operand 568 states and 840 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-19 23:35:43,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:35:43,336 INFO L93 Difference]: Finished difference Result 1223 states and 1840 transitions. [2023-12-19 23:35:43,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:35:43,337 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (25), 5 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 136 [2023-12-19 23:35:43,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:35:43,340 INFO L225 Difference]: With dead ends: 1223 [2023-12-19 23:35:43,340 INFO L226 Difference]: Without dead ends: 695 [2023-12-19 23:35:43,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:35:43,344 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 1949 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 732 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 732 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 23:35:43,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1973 Valid, 798 Invalid, 1830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [732 Valid, 1098 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 23:35:43,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2023-12-19 23:35:43,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 565. [2023-12-19 23:35:43,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 417 states have (on average 1.4820143884892085) internal successors, (618), 428 states have internal predecessors, (618), 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) [2023-12-19 23:35:43,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 823 transitions. [2023-12-19 23:35:43,369 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 823 transitions. Word has length 136 [2023-12-19 23:35:43,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:35:43,370 INFO L495 AbstractCegarLoop]: Abstraction has 565 states and 823 transitions. [2023-12-19 23:35:43,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-19 23:35:43,370 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 823 transitions. [2023-12-19 23:35:43,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-19 23:35:43,371 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:35:43,372 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:35:43,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 23:35:43,372 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:35:43,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:35:43,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1026492866, now seen corresponding path program 1 times [2023-12-19 23:35:43,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:35:43,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500129240] [2023-12-19 23:35:43,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:43,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:35:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:35:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:35:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:35:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:35:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:35:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:35:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:35:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:35:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:35:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:35:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-19 23:35:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 23:35:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 23:35:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 23:35:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 23:35:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-19 23:35:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:35:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-19 23:35:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-19 23:35:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-19 23:35:43,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:35:43,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500129240] [2023-12-19 23:35:43,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500129240] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:35:43,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535197500] [2023-12-19 23:35:43,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:43,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:35:43,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:35:43,682 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) [2023-12-19 23:35:43,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 23:35:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:43,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 1364 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 23:35:44,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:35:44,043 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 23:35:44,043 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:35:44,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535197500] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:35:44,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:35:44,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2023-12-19 23:35:44,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555579565] [2023-12-19 23:35:44,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:35:44,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:35:44,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:35:44,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:35:44,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:35:44,045 INFO L87 Difference]: Start difference. First operand 565 states and 823 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-19 23:35:44,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:35:44,133 INFO L93 Difference]: Finished difference Result 875 states and 1257 transitions. [2023-12-19 23:35:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:35:44,133 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 154 [2023-12-19 23:35:44,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:35:44,136 INFO L225 Difference]: With dead ends: 875 [2023-12-19 23:35:44,136 INFO L226 Difference]: Without dead ends: 567 [2023-12-19 23:35:44,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:35:44,137 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 0 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:35:44,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1599 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:35:44,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2023-12-19 23:35:44,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 567. [2023-12-19 23:35:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 419 states have (on average 1.4797136038186158) internal successors, (620), 430 states have internal predecessors, (620), 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) [2023-12-19 23:35:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 825 transitions. [2023-12-19 23:35:44,161 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 825 transitions. Word has length 154 [2023-12-19 23:35:44,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:35:44,162 INFO L495 AbstractCegarLoop]: Abstraction has 567 states and 825 transitions. [2023-12-19 23:35:44,162 INFO L496 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-19 23:35:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 825 transitions. [2023-12-19 23:35:44,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-19 23:35:44,164 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:35:44,164 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:35:44,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 23:35:44,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:35:44,372 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:35:44,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:35:44,373 INFO L85 PathProgramCache]: Analyzing trace with hash 87013335, now seen corresponding path program 1 times [2023-12-19 23:35:44,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:35:44,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146627284] [2023-12-19 23:35:44,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:44,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:35:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:35:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:35:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:35:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:35:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:35:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:35:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:35:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:35:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:35:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:35:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-19 23:35:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 23:35:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 23:35:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:35:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-19 23:35:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 23:35:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:35:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-19 23:35:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-19 23:35:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-19 23:35:44,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:35:44,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146627284] [2023-12-19 23:35:44,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146627284] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:35:44,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009848476] [2023-12-19 23:35:44,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:44,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:35:44,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:35:44,671 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) [2023-12-19 23:35:44,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 23:35:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:44,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 23:35:44,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:35:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 23:35:44,971 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:35:44,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009848476] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:35:44,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:35:44,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2023-12-19 23:35:44,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789935952] [2023-12-19 23:35:44,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:35:44,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:35:44,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:35:44,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:35:44,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:35:44,972 INFO L87 Difference]: Start difference. First operand 567 states and 825 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-19 23:35:45,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:35:45,029 INFO L93 Difference]: Finished difference Result 1155 states and 1712 transitions. [2023-12-19 23:35:45,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:35:45,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 161 [2023-12-19 23:35:45,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:35:45,032 INFO L225 Difference]: With dead ends: 1155 [2023-12-19 23:35:45,032 INFO L226 Difference]: Without dead ends: 659 [2023-12-19 23:35:45,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:35:45,034 INFO L413 NwaCegarLoop]: 815 mSDtfsCounter, 159 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:35:45,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1570 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:35:45,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2023-12-19 23:35:45,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 654. [2023-12-19 23:35:45,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 492 states have (on average 1.4939024390243902) internal successors, (735), 503 states have internal predecessors, (735), 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) [2023-12-19 23:35:45,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 968 transitions. [2023-12-19 23:35:45,059 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 968 transitions. Word has length 161 [2023-12-19 23:35:45,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:35:45,060 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 968 transitions. [2023-12-19 23:35:45,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-19 23:35:45,060 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 968 transitions. [2023-12-19 23:35:45,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-19 23:35:45,062 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:35:45,062 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:35:45,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 23:35:45,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-12-19 23:35:45,269 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:35:45,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:35:45,270 INFO L85 PathProgramCache]: Analyzing trace with hash -52087289, now seen corresponding path program 1 times [2023-12-19 23:35:45,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:35:45,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529444909] [2023-12-19 23:35:45,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:45,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:35:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:35:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:35:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:35:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:35:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:35:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:35:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:35:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:35:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:35:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:35:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-19 23:35:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 23:35:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 23:35:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:35:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-19 23:35:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:35:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-19 23:35:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-19 23:35:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-19 23:35:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,511 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-19 23:35:45,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:35:45,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529444909] [2023-12-19 23:35:45,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529444909] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:35:45,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843217932] [2023-12-19 23:35:45,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:45,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:35:45,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:35:45,512 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) [2023-12-19 23:35:45,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 23:35:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:45,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-19 23:35:45,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:35:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-19 23:35:45,896 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:35:45,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843217932] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:35:45,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:35:45,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2023-12-19 23:35:45,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969350813] [2023-12-19 23:35:45,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:35:45,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 23:35:45,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:35:45,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 23:35:45,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2023-12-19 23:35:45,898 INFO L87 Difference]: Start difference. First operand 654 states and 968 transitions. Second operand has 8 states, 6 states have (on average 16.166666666666668) internal successors, (97), 8 states have internal predecessors, (97), 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) [2023-12-19 23:35:46,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:35:46,075 INFO L93 Difference]: Finished difference Result 1261 states and 1879 transitions. [2023-12-19 23:35:46,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 23:35:46,075 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 16.166666666666668) internal successors, (97), 8 states have internal predecessors, (97), 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 162 [2023-12-19 23:35:46,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:35:46,078 INFO L225 Difference]: With dead ends: 1261 [2023-12-19 23:35:46,079 INFO L226 Difference]: Without dead ends: 656 [2023-12-19 23:35:46,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2023-12-19 23:35:46,081 INFO L413 NwaCegarLoop]: 789 mSDtfsCounter, 12 mSDsluCounter, 4714 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 5503 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:35:46,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 5503 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:35:46,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2023-12-19 23:35:46,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 656. [2023-12-19 23:35:46,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 493 states have (on average 1.4929006085192698) internal successors, (736), 505 states have internal predecessors, (736), 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) [2023-12-19 23:35:46,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 971 transitions. [2023-12-19 23:35:46,113 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 971 transitions. Word has length 162 [2023-12-19 23:35:46,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:35:46,114 INFO L495 AbstractCegarLoop]: Abstraction has 656 states and 971 transitions. [2023-12-19 23:35:46,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 16.166666666666668) internal successors, (97), 8 states have internal predecessors, (97), 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) [2023-12-19 23:35:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 971 transitions. [2023-12-19 23:35:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-19 23:35:46,116 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:35:46,116 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:35:46,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 23:35:46,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:35:46,325 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:35:46,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:35:46,326 INFO L85 PathProgramCache]: Analyzing trace with hash -9821078, now seen corresponding path program 1 times [2023-12-19 23:35:46,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:35:46,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659630102] [2023-12-19 23:35:46,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:46,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:35:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:35:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:35:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:35:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:35:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:35:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:35:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:35:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:35:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:35:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:35:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:35:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-19 23:35:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:35:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 23:35:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:35:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:35:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-19 23:35:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-19 23:35:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-19 23:35:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-12-19 23:35:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,578 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-19 23:35:46,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:35:46,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659630102] [2023-12-19 23:35:46,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659630102] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:35:46,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490643371] [2023-12-19 23:35:46,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:46,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:35:46,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:35:46,593 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) [2023-12-19 23:35:46,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 23:35:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:46,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-19 23:35:46,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:35:46,979 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-19 23:35:46,980 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:35:46,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490643371] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:35:46,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:35:46,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2023-12-19 23:35:46,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421494856] [2023-12-19 23:35:46,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:35:46,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 23:35:46,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:35:46,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 23:35:46,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-12-19 23:35:46,981 INFO L87 Difference]: Start difference. First operand 656 states and 971 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 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) [2023-12-19 23:35:47,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:35:47,106 INFO L93 Difference]: Finished difference Result 1262 states and 1883 transitions. [2023-12-19 23:35:47,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 23:35:47,107 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 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 170 [2023-12-19 23:35:47,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:35:47,109 INFO L225 Difference]: With dead ends: 1262 [2023-12-19 23:35:47,109 INFO L226 Difference]: Without dead ends: 658 [2023-12-19 23:35:47,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2023-12-19 23:35:47,112 INFO L413 NwaCegarLoop]: 788 mSDtfsCounter, 10 mSDsluCounter, 3133 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3921 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:35:47,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 3921 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:35:47,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2023-12-19 23:35:47,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2023-12-19 23:35:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 494 states have (on average 1.491902834008097) internal successors, (737), 507 states have internal predecessors, (737), 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) [2023-12-19 23:35:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 977 transitions. [2023-12-19 23:35:47,172 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 977 transitions. Word has length 170 [2023-12-19 23:35:47,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:35:47,172 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 977 transitions. [2023-12-19 23:35:47,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 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) [2023-12-19 23:35:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 977 transitions. [2023-12-19 23:35:47,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-19 23:35:47,175 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:35:47,175 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:35:47,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 23:35:47,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:35:47,383 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:35:47,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:35:47,383 INFO L85 PathProgramCache]: Analyzing trace with hash -99688750, now seen corresponding path program 1 times [2023-12-19 23:35:47,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:35:47,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176744720] [2023-12-19 23:35:47,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:47,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:35:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:35:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:35:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:35:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:35:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:35:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:35:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:35:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:35:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:35:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:35:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:35:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:35:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 23:35:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-19 23:35:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-19 23:35:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 23:35:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-19 23:35:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-19 23:35:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-12-19 23:35:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-12-19 23:35:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:47,617 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-19 23:35:47,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:35:47,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176744720] [2023-12-19 23:35:47,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176744720] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:35:47,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:35:47,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-19 23:35:47,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430559317] [2023-12-19 23:35:47,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:35:47,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 23:35:47,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:35:47,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 23:35:47,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:35:47,619 INFO L87 Difference]: Start difference. First operand 658 states and 977 transitions. Second operand has 12 states, 10 states have (on average 10.0) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-19 23:35:50,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:35:50,511 INFO L93 Difference]: Finished difference Result 1384 states and 2100 transitions. [2023-12-19 23:35:50,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-19 23:35:50,512 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.0) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (29), 6 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 171 [2023-12-19 23:35:50,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:35:50,515 INFO L225 Difference]: With dead ends: 1384 [2023-12-19 23:35:50,515 INFO L226 Difference]: Without dead ends: 792 [2023-12-19 23:35:50,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2023-12-19 23:35:50,518 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 1746 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 5693 mSolverCounterSat, 747 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1746 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 6440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 747 IncrementalHoareTripleChecker+Valid, 5693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:35:50,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1746 Valid, 2335 Invalid, 6440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [747 Valid, 5693 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-19 23:35:50,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2023-12-19 23:35:50,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 658. [2023-12-19 23:35:50,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 494 states have (on average 1.491902834008097) internal successors, (737), 507 states have internal predecessors, (737), 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) [2023-12-19 23:35:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 976 transitions. [2023-12-19 23:35:50,548 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 976 transitions. Word has length 171 [2023-12-19 23:35:50,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:35:50,549 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 976 transitions. [2023-12-19 23:35:50,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.0) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-19 23:35:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 976 transitions. [2023-12-19 23:35:50,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-19 23:35:50,551 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:35:50,551 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:35:50,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-19 23:35:50,551 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:35:50,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:35:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash 5902664, now seen corresponding path program 2 times [2023-12-19 23:35:50,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:35:50,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521233238] [2023-12-19 23:35:50,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:50,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:35:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:35:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:35:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:35:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:35:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:35:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:35:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:35:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:35:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:35:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:35:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:35:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:35:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-19 23:35:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 23:35:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 23:35:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:35:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-19 23:35:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-19 23:35:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-12-19 23:35:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-19 23:35:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-19 23:35:50,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:35:50,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521233238] [2023-12-19 23:35:50,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521233238] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:35:50,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:35:50,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-19 23:35:50,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178039684] [2023-12-19 23:35:50,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:35:50,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 23:35:50,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:35:50,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 23:35:50,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:35:50,775 INFO L87 Difference]: Start difference. First operand 658 states and 976 transitions. Second operand has 12 states, 10 states have (on average 10.1) internal successors, (101), 8 states have internal predecessors, (101), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-19 23:35:53,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:35:53,616 INFO L93 Difference]: Finished difference Result 1386 states and 2103 transitions. [2023-12-19 23:35:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-19 23:35:53,616 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.1) internal successors, (101), 8 states have internal predecessors, (101), 4 states have call successors, (29), 6 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 172 [2023-12-19 23:35:53,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:35:53,619 INFO L225 Difference]: With dead ends: 1386 [2023-12-19 23:35:53,619 INFO L226 Difference]: Without dead ends: 794 [2023-12-19 23:35:53,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2023-12-19 23:35:53,621 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 1765 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 5586 mSolverCounterSat, 766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 6352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 766 IncrementalHoareTripleChecker+Valid, 5586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:35:53,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 2335 Invalid, 6352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [766 Valid, 5586 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-19 23:35:53,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2023-12-19 23:35:53,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 660. [2023-12-19 23:35:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 495 states have (on average 1.490909090909091) internal successors, (738), 509 states have internal predecessors, (738), 117 states have call successors, (117), 44 states have call predecessors, (117), 47 states have return successors, (124), 115 states have call predecessors, (124), 116 states have call successors, (124) [2023-12-19 23:35:53,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 979 transitions. [2023-12-19 23:35:53,649 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 979 transitions. Word has length 172 [2023-12-19 23:35:53,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:35:53,649 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 979 transitions. [2023-12-19 23:35:53,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.1) internal successors, (101), 8 states have internal predecessors, (101), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-19 23:35:53,650 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 979 transitions. [2023-12-19 23:35:53,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-19 23:35:53,651 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:35:53,651 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:35:53,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-19 23:35:53,652 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:35:53,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:35:53,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1527992599, now seen corresponding path program 1 times [2023-12-19 23:35:53,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:35:53,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830859563] [2023-12-19 23:35:53,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:53,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:35:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:35:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:35:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:35:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:35:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:35:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:35:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:35:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:35:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:35:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:35:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:35:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:35:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:35:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-19 23:35:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-19 23:35:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-19 23:35:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-19 23:35:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-19 23:35:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-19 23:35:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-19 23:35:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-19 23:35:53,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:35:53,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830859563] [2023-12-19 23:35:53,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830859563] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:35:53,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:35:53,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-19 23:35:53,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091616516] [2023-12-19 23:35:53,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:35:53,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-19 23:35:53,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:35:53,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-19 23:35:53,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:35:53,822 INFO L87 Difference]: Start difference. First operand 660 states and 979 transitions. Second operand has 13 states, 11 states have (on average 9.545454545454545) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (29), 6 states have call predecessors, (29), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-19 23:35:56,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:35:56,312 INFO L93 Difference]: Finished difference Result 1385 states and 2102 transitions. [2023-12-19 23:35:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-19 23:35:56,313 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.545454545454545) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (29), 6 states have call predecessors, (29), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 173 [2023-12-19 23:35:56,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:35:56,317 INFO L225 Difference]: With dead ends: 1385 [2023-12-19 23:35:56,317 INFO L226 Difference]: Without dead ends: 796 [2023-12-19 23:35:56,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2023-12-19 23:35:56,319 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 1754 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 6475 mSolverCounterSat, 763 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1755 SdHoareTripleChecker+Valid, 2564 SdHoareTripleChecker+Invalid, 7238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 763 IncrementalHoareTripleChecker+Valid, 6475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:35:56,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1755 Valid, 2564 Invalid, 7238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [763 Valid, 6475 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-19 23:35:56,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2023-12-19 23:35:56,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 665. [2023-12-19 23:35:56,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 497 states have (on average 1.488933601609658) internal successors, (740), 512 states have internal predecessors, (740), 118 states have call successors, (118), 44 states have call predecessors, (118), 49 states have return successors, (129), 117 states have call predecessors, (129), 117 states have call successors, (129) [2023-12-19 23:35:56,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 987 transitions. [2023-12-19 23:35:56,382 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 987 transitions. Word has length 173 [2023-12-19 23:35:56,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:35:56,382 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 987 transitions. [2023-12-19 23:35:56,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.545454545454545) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (29), 6 states have call predecessors, (29), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-19 23:35:56,382 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 987 transitions. [2023-12-19 23:35:56,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-19 23:35:56,385 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:35:56,385 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:35:56,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-19 23:35:56,385 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:35:56,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:35:56,385 INFO L85 PathProgramCache]: Analyzing trace with hash -890491879, now seen corresponding path program 1 times [2023-12-19 23:35:56,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:35:56,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81709799] [2023-12-19 23:35:56,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:56,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:35:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:35:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:35:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:35:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:35:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:35:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:35:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:35:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:35:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:35:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:35:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:35:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:35:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:35:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-19 23:35:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-19 23:35:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-19 23:35:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-19 23:35:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-19 23:35:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-19 23:35:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-19 23:35:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-19 23:35:56,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:35:56,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81709799] [2023-12-19 23:35:56,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81709799] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:35:56,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:35:56,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-19 23:35:56,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416960044] [2023-12-19 23:35:56,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:35:56,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 23:35:56,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:35:56,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 23:35:56,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:35:56,646 INFO L87 Difference]: Start difference. First operand 665 states and 987 transitions. Second operand has 12 states, 10 states have (on average 10.2) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-19 23:35:58,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:35:58,947 INFO L93 Difference]: Finished difference Result 1384 states and 2099 transitions. [2023-12-19 23:35:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-19 23:35:58,947 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.2) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (29), 6 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 173 [2023-12-19 23:35:58,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:35:58,950 INFO L225 Difference]: With dead ends: 1384 [2023-12-19 23:35:58,950 INFO L226 Difference]: Without dead ends: 792 [2023-12-19 23:35:58,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2023-12-19 23:35:58,952 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1756 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 5669 mSolverCounterSat, 752 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 2336 SdHoareTripleChecker+Invalid, 6421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 752 IncrementalHoareTripleChecker+Valid, 5669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:35:58,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 2336 Invalid, 6421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [752 Valid, 5669 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-19 23:35:58,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2023-12-19 23:35:58,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 660. [2023-12-19 23:35:58,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 495 states have (on average 1.490909090909091) internal successors, (738), 509 states have internal predecessors, (738), 117 states have call successors, (117), 44 states have call predecessors, (117), 47 states have return successors, (123), 115 states have call predecessors, (123), 116 states have call successors, (123) [2023-12-19 23:35:58,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 978 transitions. [2023-12-19 23:35:58,989 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 978 transitions. Word has length 173 [2023-12-19 23:35:58,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:35:58,992 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 978 transitions. [2023-12-19 23:35:58,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.2) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-19 23:35:58,992 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 978 transitions. [2023-12-19 23:35:58,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-19 23:35:58,994 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:35:58,994 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:35:58,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-19 23:35:58,995 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:35:58,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:35:58,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1485706099, now seen corresponding path program 2 times [2023-12-19 23:35:58,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:35:58,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472983359] [2023-12-19 23:35:58,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:35:58,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:35:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:35:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:35:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:35:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:35:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:35:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:35:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:35:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:35:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:35:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:35:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:35:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:35:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:35:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:35:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-19 23:35:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 23:35:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-19 23:35:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-19 23:35:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-19 23:35:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-19 23:35:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-12-19 23:35:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:35:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-19 23:35:59,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:35:59,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472983359] [2023-12-19 23:35:59,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472983359] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:35:59,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:35:59,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-19 23:35:59,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492161895] [2023-12-19 23:35:59,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:35:59,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-19 23:35:59,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:35:59,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-19 23:35:59,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:35:59,185 INFO L87 Difference]: Start difference. First operand 660 states and 978 transitions. Second operand has 13 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (29), 6 states have call predecessors, (29), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-19 23:36:02,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:36:02,164 INFO L93 Difference]: Finished difference Result 1383 states and 2100 transitions. [2023-12-19 23:36:02,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-19 23:36:02,164 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (29), 6 states have call predecessors, (29), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 174 [2023-12-19 23:36:02,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:36:02,168 INFO L225 Difference]: With dead ends: 1383 [2023-12-19 23:36:02,168 INFO L226 Difference]: Without dead ends: 794 [2023-12-19 23:36:02,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2023-12-19 23:36:02,170 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 1737 mSDsluCounter, 2298 mSDsCounter, 0 mSdLazyCounter, 6527 mSolverCounterSat, 736 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1738 SdHoareTripleChecker+Valid, 2554 SdHoareTripleChecker+Invalid, 7263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 736 IncrementalHoareTripleChecker+Valid, 6527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-19 23:36:02,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1738 Valid, 2554 Invalid, 7263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [736 Valid, 6527 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-19 23:36:02,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2023-12-19 23:36:02,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 662. [2023-12-19 23:36:02,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 496 states have (on average 1.4899193548387097) internal successors, (739), 511 states have internal predecessors, (739), 117 states have call successors, (117), 44 states have call predecessors, (117), 48 states have return successors, (128), 115 states have call predecessors, (128), 116 states have call successors, (128) [2023-12-19 23:36:02,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 984 transitions. [2023-12-19 23:36:02,232 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 984 transitions. Word has length 174 [2023-12-19 23:36:02,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:36:02,233 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 984 transitions. [2023-12-19 23:36:02,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (29), 6 states have call predecessors, (29), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-19 23:36:02,233 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 984 transitions. [2023-12-19 23:36:02,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-19 23:36:02,235 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:36:02,235 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-19 23:36:02,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-19 23:36:02,235 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:36:02,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:36:02,235 INFO L85 PathProgramCache]: Analyzing trace with hash -905280033, now seen corresponding path program 1 times [2023-12-19 23:36:02,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:36:02,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533354590] [2023-12-19 23:36:02,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:36:02,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:36:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:36:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:36:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:36:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:36:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:36:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:36:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:36:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:36:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:36:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:36:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:36:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:36:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:36:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:36:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 23:36:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-19 23:36:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-19 23:36:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-19 23:36:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-19 23:36:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:02,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:36:02,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533354590] [2023-12-19 23:36:02,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533354590] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:36:02,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526750524] [2023-12-19 23:36:02,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:36:02,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:36:02,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:36:02,356 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) [2023-12-19 23:36:02,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 23:36:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:02,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 1389 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 23:36:02,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:36:02,669 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:02,669 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 23:36:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:02,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526750524] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 23:36:02,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 23:36:02,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-12-19 23:36:02,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668073240] [2023-12-19 23:36:02,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 23:36:02,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 23:36:02,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:36:02,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 23:36:02,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-19 23:36:02,744 INFO L87 Difference]: Start difference. First operand 662 states and 984 transitions. Second operand has 11 states, 11 states have (on average 12.181818181818182) internal successors, (134), 7 states have internal predecessors, (134), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-19 23:36:04,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:36:04,613 INFO L93 Difference]: Finished difference Result 1638 states and 2564 transitions. [2023-12-19 23:36:04,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-19 23:36:04,613 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.181818181818182) internal successors, (134), 7 states have internal predecessors, (134), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 168 [2023-12-19 23:36:04,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:36:04,618 INFO L225 Difference]: With dead ends: 1638 [2023-12-19 23:36:04,619 INFO L226 Difference]: Without dead ends: 1330 [2023-12-19 23:36:04,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-12-19 23:36:04,620 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 2622 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 2813 mSolverCounterSat, 950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 2064 SdHoareTripleChecker+Invalid, 3763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 950 IncrementalHoareTripleChecker+Valid, 2813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:36:04,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2676 Valid, 2064 Invalid, 3763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [950 Valid, 2813 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 23:36:04,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2023-12-19 23:36:04,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1183. [2023-12-19 23:36:04,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 938 states have (on average 1.5405117270788913) internal successors, (1445), 953 states have internal predecessors, (1445), 196 states have call successors, (196), 44 states have call predecessors, (196), 48 states have return successors, (217), 194 states have call predecessors, (217), 195 states have call successors, (217) [2023-12-19 23:36:04,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1858 transitions. [2023-12-19 23:36:04,676 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1858 transitions. Word has length 168 [2023-12-19 23:36:04,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:36:04,676 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1858 transitions. [2023-12-19 23:36:04,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.181818181818182) internal successors, (134), 7 states have internal predecessors, (134), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-19 23:36:04,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1858 transitions. [2023-12-19 23:36:04,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-19 23:36:04,680 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:36:04,680 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1] [2023-12-19 23:36:04,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 23:36:04,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-12-19 23:36:04,887 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:36:04,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:36:04,888 INFO L85 PathProgramCache]: Analyzing trace with hash -510683760, now seen corresponding path program 1 times [2023-12-19 23:36:04,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:36:04,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628289990] [2023-12-19 23:36:04,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:36:04,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:36:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:36:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:36:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:36:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:36:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:36:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:36:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:36:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:36:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:36:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:36:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:36:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:36:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:36:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 23:36:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-19 23:36:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-19 23:36:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-19 23:36:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-19 23:36:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-19 23:36:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-12-19 23:36:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:04,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:36:04,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628289990] [2023-12-19 23:36:04,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628289990] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:36:04,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:36:04,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:36:04,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409045171] [2023-12-19 23:36:04,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:36:04,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:36:04,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:36:04,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:36:04,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:36:04,991 INFO L87 Difference]: Start difference. First operand 1183 states and 1858 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:06,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:36:06,975 INFO L93 Difference]: Finished difference Result 2868 states and 4621 transitions. [2023-12-19 23:36:06,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:36:06,976 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 179 [2023-12-19 23:36:06,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:36:06,981 INFO L225 Difference]: With dead ends: 2868 [2023-12-19 23:36:06,981 INFO L226 Difference]: Without dead ends: 1808 [2023-12-19 23:36:06,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:36:06,983 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 1905 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 1931 mSolverCounterSat, 821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1923 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 2752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 1931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-19 23:36:06,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1923 Valid, 1280 Invalid, 2752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 1931 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-19 23:36:06,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2023-12-19 23:36:07,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1671. [2023-12-19 23:36:07,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1347 states have (on average 1.5501113585746102) internal successors, (2088), 1362 states have internal predecessors, (2088), 275 states have call successors, (275), 44 states have call predecessors, (275), 48 states have return successors, (306), 273 states have call predecessors, (306), 274 states have call successors, (306) [2023-12-19 23:36:07,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2669 transitions. [2023-12-19 23:36:07,038 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2669 transitions. Word has length 179 [2023-12-19 23:36:07,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:36:07,039 INFO L495 AbstractCegarLoop]: Abstraction has 1671 states and 2669 transitions. [2023-12-19 23:36:07,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:07,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2669 transitions. [2023-12-19 23:36:07,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-19 23:36:07,044 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:36:07,044 INFO L195 NwaCegarLoop]: trace histogram [8, 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] [2023-12-19 23:36:07,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-19 23:36:07,044 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:36:07,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:36:07,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1695123945, now seen corresponding path program 1 times [2023-12-19 23:36:07,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:36:07,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201479043] [2023-12-19 23:36:07,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:36:07,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:36:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:36:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:36:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:36:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:36:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:36:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:36:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:36:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:36:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:36:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:36:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:36:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:36:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:36:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 23:36:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-19 23:36:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-19 23:36:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-19 23:36:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-19 23:36:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-19 23:36:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:07,140 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:07,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:36:07,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201479043] [2023-12-19 23:36:07,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201479043] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:36:07,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:36:07,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:36:07,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544799572] [2023-12-19 23:36:07,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:36:07,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:36:07,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:36:07,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:36:07,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:36:07,141 INFO L87 Difference]: Start difference. First operand 1671 states and 2669 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-19 23:36:08,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:36:08,996 INFO L93 Difference]: Finished difference Result 4079 states and 6642 transitions. [2023-12-19 23:36:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:36:08,996 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 173 [2023-12-19 23:36:08,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:36:09,005 INFO L225 Difference]: With dead ends: 4079 [2023-12-19 23:36:09,005 INFO L226 Difference]: Without dead ends: 2591 [2023-12-19 23:36:09,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:36:09,008 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 1903 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 1872 mSolverCounterSat, 829 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1922 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 2701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 829 IncrementalHoareTripleChecker+Valid, 1872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-19 23:36:09,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1922 Valid, 1236 Invalid, 2701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [829 Valid, 1872 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-19 23:36:09,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2591 states. [2023-12-19 23:36:09,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2591 to 2454. [2023-12-19 23:36:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2454 states, 2011 states have (on average 1.5624067628045748) internal successors, (3142), 2026 states have internal predecessors, (3142), 394 states have call successors, (394), 44 states have call predecessors, (394), 48 states have return successors, (425), 392 states have call predecessors, (425), 393 states have call successors, (425) [2023-12-19 23:36:09,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2454 states and 3961 transitions. [2023-12-19 23:36:09,080 INFO L78 Accepts]: Start accepts. Automaton has 2454 states and 3961 transitions. Word has length 173 [2023-12-19 23:36:09,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:36:09,080 INFO L495 AbstractCegarLoop]: Abstraction has 2454 states and 3961 transitions. [2023-12-19 23:36:09,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-19 23:36:09,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 3961 transitions. [2023-12-19 23:36:09,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-19 23:36:09,087 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:36:09,087 INFO L195 NwaCegarLoop]: trace histogram [8, 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] [2023-12-19 23:36:09,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-19 23:36:09,087 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:36:09,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:36:09,088 INFO L85 PathProgramCache]: Analyzing trace with hash -201687814, now seen corresponding path program 1 times [2023-12-19 23:36:09,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:36:09,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373345184] [2023-12-19 23:36:09,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:36:09,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:36:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:36:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:36:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:36:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:36:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:36:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:36:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:36:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:36:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:36:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:36:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:36:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:36:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:36:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-19 23:36:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:36:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-19 23:36:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-19 23:36:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-19 23:36:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-12-19 23:36:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:09,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:36:09,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373345184] [2023-12-19 23:36:09,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373345184] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:36:09,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:36:09,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:36:09,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106891196] [2023-12-19 23:36:09,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:36:09,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:36:09,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:36:09,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:36:09,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:36:09,183 INFO L87 Difference]: Start difference. First operand 2454 states and 3961 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-19 23:36:10,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:36:10,743 INFO L93 Difference]: Finished difference Result 5917 states and 9738 transitions. [2023-12-19 23:36:10,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:36:10,743 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 174 [2023-12-19 23:36:10,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:36:10,765 INFO L225 Difference]: With dead ends: 5917 [2023-12-19 23:36:10,765 INFO L226 Difference]: Without dead ends: 3796 [2023-12-19 23:36:10,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:36:10,769 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 1898 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 1888 mSolverCounterSat, 809 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1916 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 2697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 809 IncrementalHoareTripleChecker+Valid, 1888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 23:36:10,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1916 Valid, 1230 Invalid, 2697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [809 Valid, 1888 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 23:36:10,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3796 states. [2023-12-19 23:36:10,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3796 to 3659. [2023-12-19 23:36:10,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3659 states, 3054 states have (on average 1.573018991486575) internal successors, (4804), 3069 states have internal predecessors, (4804), 556 states have call successors, (556), 44 states have call predecessors, (556), 48 states have return successors, (603), 554 states have call predecessors, (603), 555 states have call successors, (603) [2023-12-19 23:36:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 3659 states and 5963 transitions. [2023-12-19 23:36:10,877 INFO L78 Accepts]: Start accepts. Automaton has 3659 states and 5963 transitions. Word has length 174 [2023-12-19 23:36:10,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:36:10,877 INFO L495 AbstractCegarLoop]: Abstraction has 3659 states and 5963 transitions. [2023-12-19 23:36:10,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-19 23:36:10,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3659 states and 5963 transitions. [2023-12-19 23:36:10,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-19 23:36:10,884 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:36:10,884 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:36:10,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-19 23:36:10,885 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:36:10,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:36:10,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1137952450, now seen corresponding path program 1 times [2023-12-19 23:36:10,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:36:10,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33627288] [2023-12-19 23:36:10,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:36:10,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:36:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:36:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:36:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:36:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:36:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:36:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:36:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:36:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:36:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:36:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:36:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:36:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:36:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:36:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-19 23:36:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:36:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-19 23:36:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-19 23:36:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-19 23:36:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-19 23:36:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-19 23:36:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:10,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:36:10,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33627288] [2023-12-19 23:36:10,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33627288] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:36:10,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:36:10,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:36:10,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136774139] [2023-12-19 23:36:10,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:36:10,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:36:10,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:36:10,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:36:10,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:36:10,981 INFO L87 Difference]: Start difference. First operand 3659 states and 5963 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:12,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:36:12,521 INFO L93 Difference]: Finished difference Result 8817 states and 14645 transitions. [2023-12-19 23:36:12,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:36:12,527 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 182 [2023-12-19 23:36:12,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:36:12,561 INFO L225 Difference]: With dead ends: 8817 [2023-12-19 23:36:12,561 INFO L226 Difference]: Without dead ends: 5740 [2023-12-19 23:36:12,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:36:12,568 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1918 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 842 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1937 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 2682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 842 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 23:36:12,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1937 Valid, 1229 Invalid, 2682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [842 Valid, 1840 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 23:36:12,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5740 states. [2023-12-19 23:36:12,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5740 to 5603. [2023-12-19 23:36:12,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5603 states, 4753 states have (on average 1.5821586366505365) internal successors, (7520), 4768 states have internal predecessors, (7520), 801 states have call successors, (801), 44 states have call predecessors, (801), 48 states have return successors, (874), 799 states have call predecessors, (874), 800 states have call successors, (874) [2023-12-19 23:36:12,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5603 states to 5603 states and 9195 transitions. [2023-12-19 23:36:12,740 INFO L78 Accepts]: Start accepts. Automaton has 5603 states and 9195 transitions. Word has length 182 [2023-12-19 23:36:12,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:36:12,741 INFO L495 AbstractCegarLoop]: Abstraction has 5603 states and 9195 transitions. [2023-12-19 23:36:12,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 5603 states and 9195 transitions. [2023-12-19 23:36:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-19 23:36:12,750 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:36:12,751 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:36:12,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-19 23:36:12,751 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:36:12,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:36:12,751 INFO L85 PathProgramCache]: Analyzing trace with hash 657203468, now seen corresponding path program 1 times [2023-12-19 23:36:12,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:36:12,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684438423] [2023-12-19 23:36:12,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:36:12,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:36:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:36:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:36:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:36:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:36:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:36:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:36:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:36:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:36:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:36:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:36:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:36:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:36:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:36:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:36:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 23:36:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-19 23:36:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-19 23:36:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-12-19 23:36:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-12-19 23:36:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-19 23:36:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:12,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:36:12,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684438423] [2023-12-19 23:36:12,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684438423] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:36:12,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:36:12,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:36:12,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546125030] [2023-12-19 23:36:12,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:36:12,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:36:12,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:36:12,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:36:12,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:36:12,894 INFO L87 Difference]: Start difference. First operand 5603 states and 9195 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:14,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:36:14,811 INFO L93 Difference]: Finished difference Result 13686 states and 22819 transitions. [2023-12-19 23:36:14,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:36:14,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 183 [2023-12-19 23:36:14,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:36:14,835 INFO L225 Difference]: With dead ends: 13686 [2023-12-19 23:36:14,836 INFO L226 Difference]: Without dead ends: 9032 [2023-12-19 23:36:14,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:36:14,847 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 1891 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 1908 mSolverCounterSat, 803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 2711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 1908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:36:14,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 1251 Invalid, 2711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 1908 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 23:36:14,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9032 states. [2023-12-19 23:36:15,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9032 to 8895. [2023-12-19 23:36:15,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8895 states, 7552 states have (on average 1.5771980932203389) internal successors, (11911), 7567 states have internal predecessors, (11911), 1294 states have call successors, (1294), 44 states have call predecessors, (1294), 48 states have return successors, (1411), 1292 states have call predecessors, (1411), 1293 states have call successors, (1411) [2023-12-19 23:36:15,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8895 states to 8895 states and 14616 transitions. [2023-12-19 23:36:15,140 INFO L78 Accepts]: Start accepts. Automaton has 8895 states and 14616 transitions. Word has length 183 [2023-12-19 23:36:15,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:36:15,140 INFO L495 AbstractCegarLoop]: Abstraction has 8895 states and 14616 transitions. [2023-12-19 23:36:15,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:15,140 INFO L276 IsEmpty]: Start isEmpty. Operand 8895 states and 14616 transitions. [2023-12-19 23:36:15,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-19 23:36:15,157 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:36:15,158 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:36:15,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-19 23:36:15,158 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:36:15,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:36:15,158 INFO L85 PathProgramCache]: Analyzing trace with hash 195213869, now seen corresponding path program 1 times [2023-12-19 23:36:15,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:36:15,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384038398] [2023-12-19 23:36:15,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:36:15,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:36:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:36:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:36:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:36:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:36:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:36:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:36:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:36:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:36:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:36:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:36:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:36:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:36:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:36:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-19 23:36:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:36:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-19 23:36:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-19 23:36:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-12-19 23:36:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-19 23:36:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-12-19 23:36:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:15,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:36:15,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384038398] [2023-12-19 23:36:15,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384038398] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:36:15,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:36:15,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:36:15,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107926762] [2023-12-19 23:36:15,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:36:15,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:36:15,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:36:15,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:36:15,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:36:15,261 INFO L87 Difference]: Start difference. First operand 8895 states and 14616 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:17,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:36:17,292 INFO L93 Difference]: Finished difference Result 22383 states and 37439 transitions. [2023-12-19 23:36:17,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:36:17,293 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 184 [2023-12-19 23:36:17,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:36:17,333 INFO L225 Difference]: With dead ends: 22383 [2023-12-19 23:36:17,333 INFO L226 Difference]: Without dead ends: 14917 [2023-12-19 23:36:17,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:36:17,355 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 1907 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 1879 mSolverCounterSat, 837 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 2716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 837 IncrementalHoareTripleChecker+Valid, 1879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:36:17,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 1235 Invalid, 2716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [837 Valid, 1879 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 23:36:17,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14917 states. [2023-12-19 23:36:17,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14917 to 14780. [2023-12-19 23:36:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14780 states, 12615 states have (on average 1.5833531510107015) internal successors, (19974), 12630 states have internal predecessors, (19974), 2116 states have call successors, (2116), 44 states have call predecessors, (2116), 48 states have return successors, (2311), 2114 states have call predecessors, (2311), 2115 states have call successors, (2311) [2023-12-19 23:36:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14780 states to 14780 states and 24401 transitions. [2023-12-19 23:36:17,831 INFO L78 Accepts]: Start accepts. Automaton has 14780 states and 24401 transitions. Word has length 184 [2023-12-19 23:36:17,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:36:17,832 INFO L495 AbstractCegarLoop]: Abstraction has 14780 states and 24401 transitions. [2023-12-19 23:36:17,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:17,832 INFO L276 IsEmpty]: Start isEmpty. Operand 14780 states and 24401 transitions. [2023-12-19 23:36:17,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-19 23:36:17,849 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:36:17,849 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:36:17,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-19 23:36:17,849 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:36:17,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:36:17,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1084060243, now seen corresponding path program 1 times [2023-12-19 23:36:17,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:36:17,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020558803] [2023-12-19 23:36:17,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:36:17,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:36:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:17,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:17,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:36:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:36:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:36:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:17,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:36:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:17,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:36:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:17,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:36:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:17,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:36:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:36:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:36:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:36:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:36:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:36:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:36:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-19 23:36:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-19 23:36:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-19 23:36:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-19 23:36:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-19 23:36:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-12-19 23:36:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-12-19 23:36:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:18,034 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:18,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:36:18,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020558803] [2023-12-19 23:36:18,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020558803] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:36:18,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:36:18,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:36:18,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425333221] [2023-12-19 23:36:18,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:36:18,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:36:18,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:36:18,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:36:18,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:36:18,036 INFO L87 Difference]: Start difference. First operand 14780 states and 24401 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:20,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:36:20,277 INFO L93 Difference]: Finished difference Result 35675 states and 59306 transitions. [2023-12-19 23:36:20,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:36:20,277 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 185 [2023-12-19 23:36:20,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:36:20,336 INFO L225 Difference]: With dead ends: 35675 [2023-12-19 23:36:20,337 INFO L226 Difference]: Without dead ends: 23433 [2023-12-19 23:36:20,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:36:20,361 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 1867 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 775 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 2735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 775 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:36:20,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 1254 Invalid, 2735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [775 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 23:36:20,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23433 states. [2023-12-19 23:36:21,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23433 to 23296. [2023-12-19 23:36:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23296 states, 19928 states have (on average 1.557557205941389) internal successors, (31039), 19943 states have internal predecessors, (31039), 3319 states have call successors, (3319), 44 states have call predecessors, (3319), 48 states have return successors, (3658), 3317 states have call predecessors, (3658), 3318 states have call successors, (3658) [2023-12-19 23:36:21,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23296 states to 23296 states and 38016 transitions. [2023-12-19 23:36:21,098 INFO L78 Accepts]: Start accepts. Automaton has 23296 states and 38016 transitions. Word has length 185 [2023-12-19 23:36:21,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:36:21,098 INFO L495 AbstractCegarLoop]: Abstraction has 23296 states and 38016 transitions. [2023-12-19 23:36:21,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:21,098 INFO L276 IsEmpty]: Start isEmpty. Operand 23296 states and 38016 transitions. [2023-12-19 23:36:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-19 23:36:21,118 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:36:21,118 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:36:21,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-19 23:36:21,118 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:36:21,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:36:21,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1450395989, now seen corresponding path program 1 times [2023-12-19 23:36:21,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:36:21,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383018826] [2023-12-19 23:36:21,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:36:21,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:36:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:36:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:36:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:36:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:36:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:36:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:36:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:36:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:36:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:36:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:36:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:36:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:36:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:36:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:36:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-19 23:36:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-19 23:36:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-19 23:36:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-19 23:36:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-12-19 23:36:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-12-19 23:36:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:21,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:36:21,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383018826] [2023-12-19 23:36:21,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383018826] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:36:21,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:36:21,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:36:21,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456667030] [2023-12-19 23:36:21,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:36:21,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:36:21,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:36:21,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:36:21,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:36:21,204 INFO L87 Difference]: Start difference. First operand 23296 states and 38016 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:23,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:36:23,776 INFO L93 Difference]: Finished difference Result 61527 states and 101993 transitions. [2023-12-19 23:36:23,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:36:23,776 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 186 [2023-12-19 23:36:23,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:36:23,894 INFO L225 Difference]: With dead ends: 61527 [2023-12-19 23:36:23,894 INFO L226 Difference]: Without dead ends: 41552 [2023-12-19 23:36:23,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:36:23,935 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 1883 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 834 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 2700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 834 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:36:23,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 1233 Invalid, 2700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [834 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 23:36:23,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41552 states. [2023-12-19 23:36:25,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41552 to 41415. [2023-12-19 23:36:25,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41415 states, 35597 states have (on average 1.558052644885805) internal successors, (55462), 35612 states have internal predecessors, (55462), 5769 states have call successors, (5769), 44 states have call predecessors, (5769), 48 states have return successors, (6382), 5767 states have call predecessors, (6382), 5768 states have call successors, (6382) [2023-12-19 23:36:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41415 states to 41415 states and 67613 transitions. [2023-12-19 23:36:25,475 INFO L78 Accepts]: Start accepts. Automaton has 41415 states and 67613 transitions. Word has length 186 [2023-12-19 23:36:25,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:36:25,475 INFO L495 AbstractCegarLoop]: Abstraction has 41415 states and 67613 transitions. [2023-12-19 23:36:25,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:25,475 INFO L276 IsEmpty]: Start isEmpty. Operand 41415 states and 67613 transitions. [2023-12-19 23:36:25,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-12-19 23:36:25,495 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:36:25,495 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:36:25,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-19 23:36:25,495 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:36:25,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:36:25,495 INFO L85 PathProgramCache]: Analyzing trace with hash -394993466, now seen corresponding path program 1 times [2023-12-19 23:36:25,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:36:25,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498958907] [2023-12-19 23:36:25,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:36:25,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:36:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:36:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:36:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:36:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:36:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:36:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:36:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:36:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:36:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:36:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:36:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:36:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:36:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:36:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:36:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-19 23:36:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-19 23:36:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-19 23:36:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-19 23:36:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-19 23:36:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-19 23:36:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:25,578 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:25,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:36:25,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498958907] [2023-12-19 23:36:25,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498958907] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:36:25,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:36:25,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:36:25,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239723577] [2023-12-19 23:36:25,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:36:25,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:36:25,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:36:25,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:36:25,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:36:25,579 INFO L87 Difference]: Start difference. First operand 41415 states and 67613 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:29,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:36:29,031 INFO L93 Difference]: Finished difference Result 112224 states and 185982 transitions. [2023-12-19 23:36:29,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:36:29,031 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 187 [2023-12-19 23:36:29,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:36:29,236 INFO L225 Difference]: With dead ends: 112224 [2023-12-19 23:36:29,236 INFO L226 Difference]: Without dead ends: 75273 [2023-12-19 23:36:29,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:36:29,285 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 1869 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 1925 mSolverCounterSat, 810 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1887 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 2735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 810 IncrementalHoareTripleChecker+Valid, 1925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:36:29,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1887 Valid, 1249 Invalid, 2735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [810 Valid, 1925 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 23:36:29,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75273 states. [2023-12-19 23:36:31,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75273 to 75136. [2023-12-19 23:36:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75136 states, 64805 states have (on average 1.5625800478358152) internal successors, (101263), 64820 states have internal predecessors, (101263), 10282 states have call successors, (10282), 44 states have call predecessors, (10282), 48 states have return successors, (11427), 10280 states have call predecessors, (11427), 10281 states have call successors, (11427) [2023-12-19 23:36:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75136 states to 75136 states and 122972 transitions. [2023-12-19 23:36:31,770 INFO L78 Accepts]: Start accepts. Automaton has 75136 states and 122972 transitions. Word has length 187 [2023-12-19 23:36:31,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:36:31,770 INFO L495 AbstractCegarLoop]: Abstraction has 75136 states and 122972 transitions. [2023-12-19 23:36:31,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-19 23:36:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand 75136 states and 122972 transitions. [2023-12-19 23:36:31,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-19 23:36:31,796 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:36:31,796 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:36:31,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-19 23:36:31,796 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:36:31,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:36:31,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1800719766, now seen corresponding path program 1 times [2023-12-19 23:36:31,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:36:31,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428766011] [2023-12-19 23:36:31,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:36:31,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:36:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:36:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:36:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:36:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:36:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:36:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:36:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:36:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:36:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:36:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:36:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:36:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:36:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:36:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 23:36:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-19 23:36:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-19 23:36:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-19 23:36:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-12-19 23:36:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-19 23:36:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:31,886 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:31,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:36:31,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428766011] [2023-12-19 23:36:31,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428766011] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:36:31,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:36:31,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:36:31,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438180412] [2023-12-19 23:36:31,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:36:31,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:36:31,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:36:31,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:36:31,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:36:31,888 INFO L87 Difference]: Start difference. First operand 75136 states and 122972 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-19 23:36:36,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:36:36,404 INFO L93 Difference]: Finished difference Result 140404 states and 233962 transitions. [2023-12-19 23:36:36,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:36:36,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 181 [2023-12-19 23:36:36,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:36:36,786 INFO L225 Difference]: With dead ends: 140404 [2023-12-19 23:36:36,786 INFO L226 Difference]: Without dead ends: 140096 [2023-12-19 23:36:36,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:36:36,830 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 1885 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 1861 mSolverCounterSat, 833 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1904 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 2694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 833 IncrementalHoareTripleChecker+Valid, 1861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-19 23:36:36,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1904 Valid, 1233 Invalid, 2694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [833 Valid, 1861 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-19 23:36:36,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140096 states. [2023-12-19 23:36:40,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140096 to 139959. [2023-12-19 23:36:40,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139959 states, 121260 states have (on average 1.5622793996371434) internal successors, (189442), 121275 states have internal predecessors, (189442), 18650 states have call successors, (18650), 44 states have call predecessors, (18650), 48 states have return successors, (20841), 18648 states have call predecessors, (20841), 18649 states have call successors, (20841) [2023-12-19 23:36:41,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139959 states to 139959 states and 228933 transitions. [2023-12-19 23:36:41,589 INFO L78 Accepts]: Start accepts. Automaton has 139959 states and 228933 transitions. Word has length 181 [2023-12-19 23:36:41,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:36:41,590 INFO L495 AbstractCegarLoop]: Abstraction has 139959 states and 228933 transitions. [2023-12-19 23:36:41,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-19 23:36:41,590 INFO L276 IsEmpty]: Start isEmpty. Operand 139959 states and 228933 transitions. [2023-12-19 23:36:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-19 23:36:41,618 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:36:41,619 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:36:41,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-19 23:36:41,620 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:36:41,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:36:41,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1243066707, now seen corresponding path program 1 times [2023-12-19 23:36:41,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:36:41,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327274748] [2023-12-19 23:36:41,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:36:41,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:36:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:36:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:36:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:36:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:36:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:36:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:36:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:36:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:36:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:36:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:36:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:36:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:36:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:36:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:36:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:36:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:36:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-19 23:36:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:41,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-19 23:36:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:42,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-19 23:36:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:42,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-19 23:36:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:36:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:36:42,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:36:42,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327274748] [2023-12-19 23:36:42,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327274748] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:36:42,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:36:42,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-19 23:36:42,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978874039] [2023-12-19 23:36:42,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:36:42,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-19 23:36:42,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:36:42,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-19 23:36:42,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2023-12-19 23:36:42,018 INFO L87 Difference]: Start difference. First operand 139959 states and 228933 transitions. Second operand has 18 states, 16 states have (on average 6.9375) internal successors, (111), 12 states have internal predecessors, (111), 7 states have call successors, (28), 8 states have call predecessors, (28), 4 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2023-12-19 23:36:54,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:36:54,684 INFO L93 Difference]: Finished difference Result 279285 states and 468878 transitions. [2023-12-19 23:36:54,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-19 23:36:54,684 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.9375) internal successors, (111), 12 states have internal predecessors, (111), 7 states have call successors, (28), 8 states have call predecessors, (28), 4 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) Word has length 182 [2023-12-19 23:36:54,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:36:56,190 INFO L225 Difference]: With dead ends: 279285 [2023-12-19 23:36:56,190 INFO L226 Difference]: Without dead ends: 278982 [2023-12-19 23:36:56,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1661 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=922, Invalid=4334, Unknown=0, NotChecked=0, Total=5256 [2023-12-19 23:36:56,290 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 5715 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 11460 mSolverCounterSat, 2560 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5730 SdHoareTripleChecker+Valid, 4085 SdHoareTripleChecker+Invalid, 14020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2560 IncrementalHoareTripleChecker+Valid, 11460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:36:56,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5730 Valid, 4085 Invalid, 14020 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2560 Valid, 11460 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-12-19 23:36:56,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278982 states. [2023-12-19 23:37:05,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278982 to 278618. [2023-12-19 23:37:05,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278618 states, 241406 states have (on average 1.5628774761190691) internal successors, (377288), 241336 states have internal predecessors, (377288), 37083 states have call successors, (37083), 113 states have call predecessors, (37083), 128 states have return successors, (44782), 37200 states have call predecessors, (44782), 37080 states have call successors, (44782) [2023-12-19 23:37:07,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278618 states to 278618 states and 459153 transitions. [2023-12-19 23:37:07,167 INFO L78 Accepts]: Start accepts. Automaton has 278618 states and 459153 transitions. Word has length 182 [2023-12-19 23:37:07,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:37:07,168 INFO L495 AbstractCegarLoop]: Abstraction has 278618 states and 459153 transitions. [2023-12-19 23:37:07,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.9375) internal successors, (111), 12 states have internal predecessors, (111), 7 states have call successors, (28), 8 states have call predecessors, (28), 4 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2023-12-19 23:37:07,168 INFO L276 IsEmpty]: Start isEmpty. Operand 278618 states and 459153 transitions. [2023-12-19 23:37:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-12-19 23:37:07,223 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:37:07,223 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:37:07,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-19 23:37:07,223 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:37:07,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:37:07,223 INFO L85 PathProgramCache]: Analyzing trace with hash 925587639, now seen corresponding path program 1 times [2023-12-19 23:37:07,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:37:07,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026376728] [2023-12-19 23:37:07,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:37:07,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:37:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:37:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:37:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:37:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:37:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-19 23:37:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:37:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 23:37:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 23:37:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:37:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:37:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:37:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:37:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:37:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:37:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:37:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:37:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:37:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:37:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:37:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-19 23:37:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-12-19 23:37:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-12-19 23:37:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-19 23:37:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-12-19 23:37:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:07,901 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 23:37:07,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:37:07,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026376728] [2023-12-19 23:37:07,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026376728] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:37:07,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:37:07,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-19 23:37:07,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829954864] [2023-12-19 23:37:07,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:37:07,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-19 23:37:07,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:37:07,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-19 23:37:07,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2023-12-19 23:37:07,903 INFO L87 Difference]: Start difference. First operand 278618 states and 459153 transitions. Second operand has 18 states, 16 states have (on average 7.3125) internal successors, (117), 12 states have internal predecessors, (117), 7 states have call successors, (29), 8 states have call predecessors, (29), 4 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2023-12-19 23:37:27,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:37:27,831 INFO L93 Difference]: Finished difference Result 553684 states and 936471 transitions. [2023-12-19 23:37:27,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-19 23:37:27,831 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 7.3125) internal successors, (117), 12 states have internal predecessors, (117), 7 states have call successors, (29), 8 states have call predecessors, (29), 4 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 190 [2023-12-19 23:37:27,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:37:30,562 INFO L225 Difference]: With dead ends: 553684 [2023-12-19 23:37:30,562 INFO L226 Difference]: Without dead ends: 552729 [2023-12-19 23:37:30,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1552 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=961, Invalid=4441, Unknown=0, NotChecked=0, Total=5402 [2023-12-19 23:37:30,745 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 6101 mSDsluCounter, 3059 mSDsCounter, 0 mSdLazyCounter, 11525 mSolverCounterSat, 2582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6101 SdHoareTripleChecker+Valid, 3308 SdHoareTripleChecker+Invalid, 14107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2582 IncrementalHoareTripleChecker+Valid, 11525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-12-19 23:37:30,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6101 Valid, 3308 Invalid, 14107 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2582 Valid, 11525 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-12-19 23:37:31,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552729 states.