/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 false -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 [2023-12-21 10:08:32,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 10:08:32,302 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 10:08:32,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 10:08:32,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 10:08:32,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 10:08:32,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 10:08:32,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 10:08:32,339 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 10:08:32,339 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 10:08:32,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 10:08:32,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 10:08:32,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 10:08:32,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 10:08:32,343 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 10:08:32,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 10:08:32,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 10:08:32,346 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 10:08:32,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 10:08:32,347 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 10:08:32,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 10:08:32,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 10:08:32,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 10:08:32,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 10:08:32,349 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 10:08:32,349 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 10:08:32,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 10:08:32,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 10:08:32,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 10:08:32,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 10:08:32,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 10:08:32,351 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 10:08:32,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:08:32,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 10:08:32,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 10:08:32,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 10:08:32,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 10:08:32,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 10:08:32,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 10:08:32,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 10:08:32,352 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 10:08:32,352 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 10:08:32,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 10:08:32,352 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 10:08:32,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 10:08:32,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 10:08:32,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 10:08:32,560 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 10:08:32,560 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 10:08:32,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_productSimulator.cil.c [2023-12-21 10:08:33,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 10:08:33,853 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 10:08:33,854 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_productSimulator.cil.c [2023-12-21 10:08:33,868 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa3e80275/b9e3c0b87cad451083f65389de5840fe/FLAGb114c1864 [2023-12-21 10:08:33,877 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa3e80275/b9e3c0b87cad451083f65389de5840fe [2023-12-21 10:08:33,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 10:08:33,880 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 10:08:33,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 10:08:33,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 10:08:33,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 10:08:33,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:08:33" (1/1) ... [2023-12-21 10:08:33,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1096b23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:33, skipping insertion in model container [2023-12-21 10:08:33,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:08:33" (1/1) ... [2023-12-21 10:08:33,933 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 10:08:34,275 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] [2023-12-21 10:08:34,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:08:34,400 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 10:08:34,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2023-12-21 10:08:34,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [335] [2023-12-21 10:08:34,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [747] [2023-12-21 10:08:34,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1323] [2023-12-21 10:08:34,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1686] [2023-12-21 10:08:34,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1695] [2023-12-21 10:08:34,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [2061] [2023-12-21 10:08:34,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2103] [2023-12-21 10:08:34,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2210] [2023-12-21 10:08:34,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2414] [2023-12-21 10:08:34,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [2431] [2023-12-21 10:08:34,451 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] [2023-12-21 10:08:34,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:08:34,563 INFO L206 MainTranslator]: Completed translation [2023-12-21 10:08:34,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34 WrapperNode [2023-12-21 10:08:34,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 10:08:34,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 10:08:34,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 10:08:34,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 10:08:34,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34" (1/1) ... [2023-12-21 10:08:34,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34" (1/1) ... [2023-12-21 10:08:34,648 INFO L138 Inliner]: procedures = 152, calls = 266, calls flagged for inlining = 68, calls inlined = 65, statements flattened = 1305 [2023-12-21 10:08:34,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 10:08:34,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 10:08:34,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 10:08:34,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 10:08:34,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34" (1/1) ... [2023-12-21 10:08:34,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34" (1/1) ... [2023-12-21 10:08:34,681 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34" (1/1) ... [2023-12-21 10:08:34,707 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]. [2023-12-21 10:08:34,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34" (1/1) ... [2023-12-21 10:08:34,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34" (1/1) ... [2023-12-21 10:08:34,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34" (1/1) ... [2023-12-21 10:08:34,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34" (1/1) ... [2023-12-21 10:08:34,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34" (1/1) ... [2023-12-21 10:08:34,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34" (1/1) ... [2023-12-21 10:08:34,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 10:08:34,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 10:08:34,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 10:08:34,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 10:08:34,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34" (1/1) ... [2023-12-21 10:08:34,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:08:34,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:08:34,821 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) [2023-12-21 10:08:34,828 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 [2023-12-21 10:08:34,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-21 10:08:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-21 10:08:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2023-12-21 10:08:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2023-12-21 10:08:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2023-12-21 10:08:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2023-12-21 10:08:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-21 10:08:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-21 10:08:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-21 10:08:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-21 10:08:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-21 10:08:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-21 10:08:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-21 10:08:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-21 10:08:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2023-12-21 10:08:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2023-12-21 10:08:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-21 10:08:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-21 10:08:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2023-12-21 10:08:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2023-12-21 10:08:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-21 10:08:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-21 10:08:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-21 10:08:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-21 10:08:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-21 10:08:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-21 10:08:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2023-12-21 10:08:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2023-12-21 10:08:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2023-12-21 10:08:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2023-12-21 10:08:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-21 10:08:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-21 10:08:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-21 10:08:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-21 10:08:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-21 10:08:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-21 10:08:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2023-12-21 10:08:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2023-12-21 10:08:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-21 10:08:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-21 10:08:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-21 10:08:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-21 10:08:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-21 10:08:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-21 10:08:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2023-12-21 10:08:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2023-12-21 10:08:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 10:08:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-21 10:08:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-21 10:08:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-21 10:08:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-21 10:08:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2023-12-21 10:08:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2023-12-21 10:08:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2023-12-21 10:08:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2023-12-21 10:08:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2023-12-21 10:08:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2023-12-21 10:08:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-21 10:08:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-21 10:08:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-21 10:08:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-21 10:08:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-21 10:08:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-21 10:08:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-21 10:08:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-21 10:08:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-21 10:08:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-21 10:08:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-21 10:08:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-21 10:08:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-21 10:08:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-21 10:08:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2023-12-21 10:08:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2023-12-21 10:08:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2023-12-21 10:08:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2023-12-21 10:08:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-21 10:08:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-21 10:08:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-21 10:08:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-21 10:08:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 10:08:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 10:08:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-21 10:08:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-21 10:08:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-21 10:08:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-21 10:08:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2023-12-21 10:08:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2023-12-21 10:08:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-12-21 10:08:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-12-21 10:08:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-21 10:08:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-21 10:08:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 10:08:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 10:08:35,054 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 10:08:35,056 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 10:08:35,669 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 10:08:35,705 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 10:08:35,705 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 10:08:35,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:08:35 BoogieIcfgContainer [2023-12-21 10:08:35,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 10:08:35,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 10:08:35,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 10:08:35,709 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 10:08:35,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:08:33" (1/3) ... [2023-12-21 10:08:35,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a25828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:08:35, skipping insertion in model container [2023-12-21 10:08:35,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:34" (2/3) ... [2023-12-21 10:08:35,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a25828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:08:35, skipping insertion in model container [2023-12-21 10:08:35,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:08:35" (3/3) ... [2023-12-21 10:08:35,711 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_productSimulator.cil.c [2023-12-21 10:08:35,723 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 10:08:35,723 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 10:08:35,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 10:08:35,767 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;@5b428c69, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 10:08:35,767 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 10:08:35,816 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) [2023-12-21 10:08:35,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-21 10:08:35,830 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:08:35,831 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] [2023-12-21 10:08:35,831 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:08:35,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:08:35,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1064919616, now seen corresponding path program 1 times [2023-12-21 10:08:35,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:08:35,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523467209] [2023-12-21 10:08:35,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:35,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:08:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:08:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:08:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:08:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:08:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:08:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:08:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:08:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-21 10:08:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-21 10:08:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-21 10:08:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 10:08:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-21 10:08:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-21 10:08:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 10:08:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:36,372 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-21 10:08:36,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:08:36,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523467209] [2023-12-21 10:08:36,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523467209] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:08:36,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:08:36,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:08:36,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436878208] [2023-12-21 10:08:36,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:08:36,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:08:36,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:08:36,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:08:36,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:08:36,406 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) [2023-12-21 10:08:38,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:08:38,355 INFO L93 Difference]: Finished difference Result 1248 states and 1940 transitions. [2023-12-21 10:08:38,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:08:38,357 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 [2023-12-21 10:08:38,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:08:38,373 INFO L225 Difference]: With dead ends: 1248 [2023-12-21 10:08:38,373 INFO L226 Difference]: Without dead ends: 702 [2023-12-21 10:08:38,384 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 [2023-12-21 10:08:38,387 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 1315 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 2693 mSolverCounterSat, 584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 3277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 2693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-21 10:08:38,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 1412 Invalid, 3277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 2693 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-21 10:08:38,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2023-12-21 10:08:38,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 571. [2023-12-21 10:08:38,493 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) [2023-12-21 10:08:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 855 transitions. [2023-12-21 10:08:38,498 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 855 transitions. Word has length 113 [2023-12-21 10:08:38,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:08:38,498 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 855 transitions. [2023-12-21 10:08:38,498 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) [2023-12-21 10:08:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 855 transitions. [2023-12-21 10:08:38,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-21 10:08:38,504 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:08:38,504 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] [2023-12-21 10:08:38,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 10:08:38,505 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:08:38,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:08:38,505 INFO L85 PathProgramCache]: Analyzing trace with hash -229799869, now seen corresponding path program 1 times [2023-12-21 10:08:38,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:08:38,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124965107] [2023-12-21 10:08:38,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:38,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:08:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:08:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:08:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:08:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:08:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:08:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:08:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:08:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 10:08:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-21 10:08:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 10:08:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 10:08:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-21 10:08:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-21 10:08:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-21 10:08:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:38,715 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-21 10:08:38,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:08:38,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124965107] [2023-12-21 10:08:38,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124965107] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:08:38,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:08:38,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 10:08:38,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136380430] [2023-12-21 10:08:38,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:08:38,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 10:08:38,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:08:38,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 10:08:38,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 10:08:38,717 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) [2023-12-21 10:08:39,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:08:39,967 INFO L93 Difference]: Finished difference Result 1250 states and 1932 transitions. [2023-12-21 10:08:39,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:08:39,967 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 [2023-12-21 10:08:39,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:08:39,973 INFO L225 Difference]: With dead ends: 1250 [2023-12-21 10:08:39,973 INFO L226 Difference]: Without dead ends: 700 [2023-12-21 10:08:39,975 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 [2023-12-21 10:08:39,976 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 1975 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 734 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 1821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 734 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:08:39,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2003 Valid, 874 Invalid, 1821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [734 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-21 10:08:39,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2023-12-21 10:08:40,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 569. [2023-12-21 10:08:40,023 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) [2023-12-21 10:08:40,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 844 transitions. [2023-12-21 10:08:40,028 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 844 transitions. Word has length 119 [2023-12-21 10:08:40,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:08:40,031 INFO L495 AbstractCegarLoop]: Abstraction has 569 states and 844 transitions. [2023-12-21 10:08:40,032 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) [2023-12-21 10:08:40,032 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 844 transitions. [2023-12-21 10:08:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-21 10:08:40,036 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:08:40,037 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] [2023-12-21 10:08:40,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 10:08:40,037 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:08:40,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:08:40,037 INFO L85 PathProgramCache]: Analyzing trace with hash 545153456, now seen corresponding path program 1 times [2023-12-21 10:08:40,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:08:40,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72518603] [2023-12-21 10:08:40,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:40,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:08:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:08:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:08:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:08:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:08:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:08:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:08:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:08:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-12-21 10:08:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-21 10:08:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 10:08:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:08:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-21 10:08:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 10:08:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-21 10:08:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 10:08:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-21 10:08:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-21 10:08:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-21 10:08:40,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:08:40,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72518603] [2023-12-21 10:08:40,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72518603] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:08:40,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:08:40,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 10:08:40,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161876515] [2023-12-21 10:08:40,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:08:40,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 10:08:40,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:08:40,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 10:08:40,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 10:08:40,186 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) [2023-12-21 10:08:41,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:08:41,465 INFO L93 Difference]: Finished difference Result 1242 states and 1892 transitions. [2023-12-21 10:08:41,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:08:41,465 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 [2023-12-21 10:08:41,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:08:41,468 INFO L225 Difference]: With dead ends: 1242 [2023-12-21 10:08:41,468 INFO L226 Difference]: Without dead ends: 698 [2023-12-21 10:08:41,469 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 [2023-12-21 10:08:41,470 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 1958 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 715 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1985 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 1818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 715 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:08:41,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1985 Valid, 892 Invalid, 1818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [715 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-21 10:08:41,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2023-12-21 10:08:41,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 568. [2023-12-21 10:08:41,493 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) [2023-12-21 10:08:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 840 transitions. [2023-12-21 10:08:41,496 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 840 transitions. Word has length 142 [2023-12-21 10:08:41,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:08:41,496 INFO L495 AbstractCegarLoop]: Abstraction has 568 states and 840 transitions. [2023-12-21 10:08:41,496 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) [2023-12-21 10:08:41,496 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 840 transitions. [2023-12-21 10:08:41,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-21 10:08:41,498 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:08:41,498 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] [2023-12-21 10:08:41,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-21 10:08:41,498 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:08:41,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:08:41,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1954369493, now seen corresponding path program 1 times [2023-12-21 10:08:41,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:08:41,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879074228] [2023-12-21 10:08:41,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:41,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:08:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:08:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:08:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:08:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:08:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:08:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:08:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:08:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:08:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 10:08:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 10:08:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 10:08:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 10:08:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-21 10:08:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-21 10:08:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-21 10:08:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-21 10:08:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:41,584 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-21 10:08:41,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:08:41,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879074228] [2023-12-21 10:08:41,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879074228] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:08:41,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:08:41,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 10:08:41,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301078725] [2023-12-21 10:08:41,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:08:41,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 10:08:41,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:08:41,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 10:08:41,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 10:08:41,585 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) [2023-12-21 10:08:42,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:08:42,837 INFO L93 Difference]: Finished difference Result 1223 states and 1840 transitions. [2023-12-21 10:08:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:08:42,837 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 [2023-12-21 10:08:42,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:08:42,840 INFO L225 Difference]: With dead ends: 1223 [2023-12-21 10:08:42,840 INFO L226 Difference]: Without dead ends: 695 [2023-12-21 10:08:42,841 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 [2023-12-21 10:08:42,841 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 1946 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 725 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 1833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 725 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:08:42,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1970 Valid, 798 Invalid, 1833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [725 Valid, 1108 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-21 10:08:42,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2023-12-21 10:08:42,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 565. [2023-12-21 10:08:42,863 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) [2023-12-21 10:08:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 823 transitions. [2023-12-21 10:08:42,866 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 823 transitions. Word has length 136 [2023-12-21 10:08:42,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:08:42,866 INFO L495 AbstractCegarLoop]: Abstraction has 565 states and 823 transitions. [2023-12-21 10:08:42,866 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) [2023-12-21 10:08:42,866 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 823 transitions. [2023-12-21 10:08:42,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-21 10:08:42,868 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:08:42,868 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] [2023-12-21 10:08:42,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-21 10:08:42,868 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:08:42,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:08:42,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1026492866, now seen corresponding path program 1 times [2023-12-21 10:08:42,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:08:42,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952287923] [2023-12-21 10:08:42,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:42,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:08:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:42,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:08:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:08:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:08:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:08:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:08:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:08:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:08:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:08:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:08:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:08:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 10:08:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 10:08:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 10:08:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 10:08:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-21 10:08:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-21 10:08:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-21 10:08:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-21 10:08:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-21 10:08:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,085 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-21 10:08:43,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:08:43,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952287923] [2023-12-21 10:08:43,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952287923] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:08:43,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106269689] [2023-12-21 10:08:43,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:43,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:08:43,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:08:43,088 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) [2023-12-21 10:08:43,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 10:08:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 1364 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-21 10:08:43,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:08:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-21 10:08:43,452 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 10:08:43,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106269689] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:08:43,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 10:08:43,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2023-12-21 10:08:43,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537884286] [2023-12-21 10:08:43,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:08:43,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:08:43,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:08:43,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:08:43,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-21 10:08:43,453 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) [2023-12-21 10:08:43,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:08:43,523 INFO L93 Difference]: Finished difference Result 875 states and 1257 transitions. [2023-12-21 10:08:43,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:08:43,523 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 [2023-12-21 10:08:43,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:08:43,527 INFO L225 Difference]: With dead ends: 875 [2023-12-21 10:08:43,527 INFO L226 Difference]: Without dead ends: 567 [2023-12-21 10:08:43,528 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 [2023-12-21 10:08:43,529 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, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:08:43,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1599 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:08:43,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2023-12-21 10:08:43,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 567. [2023-12-21 10:08:43,550 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) [2023-12-21 10:08:43,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 825 transitions. [2023-12-21 10:08:43,552 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 825 transitions. Word has length 154 [2023-12-21 10:08:43,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:08:43,553 INFO L495 AbstractCegarLoop]: Abstraction has 567 states and 825 transitions. [2023-12-21 10:08:43,553 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) [2023-12-21 10:08:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 825 transitions. [2023-12-21 10:08:43,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-21 10:08:43,555 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:08:43,555 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] [2023-12-21 10:08:43,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-21 10:08:43,762 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 [2023-12-21 10:08:43,762 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:08:43,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:08:43,762 INFO L85 PathProgramCache]: Analyzing trace with hash 87013335, now seen corresponding path program 1 times [2023-12-21 10:08:43,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:08:43,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448187601] [2023-12-21 10:08:43,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:43,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:08:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:08:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:08:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:08:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:08:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:08:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:08:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:08:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:08:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:08:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:08:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 10:08:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 10:08:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 10:08:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-21 10:08:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 10:08:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-21 10:08:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-21 10:08:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-21 10:08:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-21 10:08:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:43,994 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-21 10:08:43,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:08:43,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448187601] [2023-12-21 10:08:43,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448187601] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:08:43,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205669692] [2023-12-21 10:08:43,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:43,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:08:43,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:08:43,995 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) [2023-12-21 10:08:44,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 10:08:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 10:08:44,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:08:44,298 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-21 10:08:44,298 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 10:08:44,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205669692] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:08:44,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 10:08:44,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2023-12-21 10:08:44,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449238362] [2023-12-21 10:08:44,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:08:44,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:08:44,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:08:44,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:08:44,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-21 10:08:44,300 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) [2023-12-21 10:08:44,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:08:44,357 INFO L93 Difference]: Finished difference Result 1155 states and 1712 transitions. [2023-12-21 10:08:44,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:08:44,358 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 [2023-12-21 10:08:44,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:08:44,360 INFO L225 Difference]: With dead ends: 1155 [2023-12-21 10:08:44,360 INFO L226 Difference]: Without dead ends: 659 [2023-12-21 10:08:44,361 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 [2023-12-21 10:08:44,361 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 [2023-12-21 10:08:44,362 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] [2023-12-21 10:08:44,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2023-12-21 10:08:44,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 654. [2023-12-21 10:08:44,384 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) [2023-12-21 10:08:44,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 968 transitions. [2023-12-21 10:08:44,387 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 968 transitions. Word has length 161 [2023-12-21 10:08:44,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:08:44,387 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 968 transitions. [2023-12-21 10:08:44,387 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) [2023-12-21 10:08:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 968 transitions. [2023-12-21 10:08:44,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-21 10:08:44,389 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:08:44,389 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] [2023-12-21 10:08:44,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-21 10:08:44,596 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 [2023-12-21 10:08:44,596 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:08:44,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:08:44,596 INFO L85 PathProgramCache]: Analyzing trace with hash -52087289, now seen corresponding path program 1 times [2023-12-21 10:08:44,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:08:44,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664979998] [2023-12-21 10:08:44,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:44,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:08:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:08:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:08:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:08:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:08:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:08:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:08:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:08:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:08:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:08:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:08:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 10:08:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 10:08:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 10:08:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-21 10:08:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-21 10:08:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-21 10:08:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-21 10:08:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-21 10:08:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-21 10:08:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:44,797 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-21 10:08:44,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:08:44,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664979998] [2023-12-21 10:08:44,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664979998] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:08:44,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926995263] [2023-12-21 10:08:44,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:44,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:08:44,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:08:44,799 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) [2023-12-21 10:08:44,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-21 10:08:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-21 10:08:45,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:08:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-21 10:08:45,202 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 10:08:45,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926995263] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:08:45,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 10:08:45,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2023-12-21 10:08:45,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434590288] [2023-12-21 10:08:45,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:08:45,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 10:08:45,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:08:45,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 10:08:45,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2023-12-21 10:08:45,204 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) [2023-12-21 10:08:45,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:08:45,374 INFO L93 Difference]: Finished difference Result 1261 states and 1879 transitions. [2023-12-21 10:08:45,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 10:08:45,374 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 [2023-12-21 10:08:45,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:08:45,377 INFO L225 Difference]: With dead ends: 1261 [2023-12-21 10:08:45,377 INFO L226 Difference]: Without dead ends: 656 [2023-12-21 10:08:45,378 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 [2023-12-21 10:08:45,379 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 [2023-12-21 10:08:45,379 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] [2023-12-21 10:08:45,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2023-12-21 10:08:45,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 656. [2023-12-21 10:08:45,401 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) [2023-12-21 10:08:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 971 transitions. [2023-12-21 10:08:45,404 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 971 transitions. Word has length 162 [2023-12-21 10:08:45,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:08:45,404 INFO L495 AbstractCegarLoop]: Abstraction has 656 states and 971 transitions. [2023-12-21 10:08:45,404 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) [2023-12-21 10:08:45,404 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 971 transitions. [2023-12-21 10:08:45,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-21 10:08:45,406 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:08:45,406 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] [2023-12-21 10:08:45,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-21 10:08:45,613 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 [2023-12-21 10:08:45,613 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:08:45,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:08:45,613 INFO L85 PathProgramCache]: Analyzing trace with hash -9821078, now seen corresponding path program 1 times [2023-12-21 10:08:45,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:08:45,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361433727] [2023-12-21 10:08:45,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:45,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:08:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:08:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:08:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:08:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:08:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:08:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:08:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:08:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:08:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:08:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:08:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:08:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-21 10:08:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 10:08:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-21 10:08:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 10:08:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-21 10:08:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 10:08:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 10:08:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 10:08:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-12-21 10:08:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:45,841 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-21 10:08:45,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:08:45,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361433727] [2023-12-21 10:08:45,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361433727] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:08:45,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503664134] [2023-12-21 10:08:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:45,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:08:45,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:08:45,843 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) [2023-12-21 10:08:45,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-21 10:08:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-21 10:08:46,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:08:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-21 10:08:46,189 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 10:08:46,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503664134] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:08:46,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 10:08:46,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2023-12-21 10:08:46,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264194169] [2023-12-21 10:08:46,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:08:46,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 10:08:46,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:08:46,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 10:08:46,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-12-21 10:08:46,190 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) [2023-12-21 10:08:46,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:08:46,349 INFO L93 Difference]: Finished difference Result 1262 states and 1883 transitions. [2023-12-21 10:08:46,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 10:08:46,349 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 [2023-12-21 10:08:46,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:08:46,352 INFO L225 Difference]: With dead ends: 1262 [2023-12-21 10:08:46,352 INFO L226 Difference]: Without dead ends: 658 [2023-12-21 10:08:46,353 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 [2023-12-21 10:08:46,353 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 [2023-12-21 10:08:46,353 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] [2023-12-21 10:08:46,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2023-12-21 10:08:46,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2023-12-21 10:08:46,377 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) [2023-12-21 10:08:46,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 977 transitions. [2023-12-21 10:08:46,379 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 977 transitions. Word has length 170 [2023-12-21 10:08:46,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:08:46,379 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 977 transitions. [2023-12-21 10:08:46,380 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) [2023-12-21 10:08:46,380 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 977 transitions. [2023-12-21 10:08:46,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-21 10:08:46,381 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:08:46,381 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] [2023-12-21 10:08:46,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-21 10:08:46,589 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 [2023-12-21 10:08:46,589 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:08:46,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:08:46,590 INFO L85 PathProgramCache]: Analyzing trace with hash -99688750, now seen corresponding path program 1 times [2023-12-21 10:08:46,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:08:46,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236041573] [2023-12-21 10:08:46,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:46,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:08:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:08:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:08:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:08:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:08:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:08:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:08:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:08:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:08:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:08:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:08:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:08:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:08:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-21 10:08:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-21 10:08:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 10:08:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-21 10:08:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-21 10:08:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-21 10:08:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-12-21 10:08:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-12-21 10:08:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:46,800 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-21 10:08:46,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:08:46,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236041573] [2023-12-21 10:08:46,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236041573] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:08:46,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:08:46,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-21 10:08:46,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955529925] [2023-12-21 10:08:46,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:08:46,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-21 10:08:46,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:08:46,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-21 10:08:46,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-21 10:08:46,802 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) [2023-12-21 10:08:49,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:08:49,577 INFO L93 Difference]: Finished difference Result 1384 states and 2100 transitions. [2023-12-21 10:08:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-21 10:08:49,577 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 [2023-12-21 10:08:49,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:08:49,580 INFO L225 Difference]: With dead ends: 1384 [2023-12-21 10:08:49,580 INFO L226 Difference]: Without dead ends: 792 [2023-12-21 10:08:49,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2023-12-21 10:08:49,582 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 1749 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 5691 mSolverCounterSat, 750 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 6441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 750 IncrementalHoareTripleChecker+Valid, 5691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-21 10:08:49,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 2335 Invalid, 6441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [750 Valid, 5691 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-21 10:08:49,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2023-12-21 10:08:49,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 658. [2023-12-21 10:08:49,628 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) [2023-12-21 10:08:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 976 transitions. [2023-12-21 10:08:49,630 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 976 transitions. Word has length 171 [2023-12-21 10:08:49,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:08:49,630 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 976 transitions. [2023-12-21 10:08:49,630 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) [2023-12-21 10:08:49,630 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 976 transitions. [2023-12-21 10:08:49,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-21 10:08:49,633 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:08:49,633 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] [2023-12-21 10:08:49,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-21 10:08:49,633 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:08:49,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:08:49,633 INFO L85 PathProgramCache]: Analyzing trace with hash 5902664, now seen corresponding path program 2 times [2023-12-21 10:08:49,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:08:49,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466573402] [2023-12-21 10:08:49,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:49,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:08:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:08:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:08:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:08:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:08:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:08:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:08:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:08:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:08:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:08:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:08:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:08:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:08:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-21 10:08:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-21 10:08:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-21 10:08:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-21 10:08:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-21 10:08:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-21 10:08:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-12-21 10:08:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-21 10:08:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-21 10:08:49,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:08:49,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466573402] [2023-12-21 10:08:49,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466573402] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:08:49,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:08:49,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-21 10:08:49,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905984155] [2023-12-21 10:08:49,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:08:49,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-21 10:08:49,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:08:49,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-21 10:08:49,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-21 10:08:49,859 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) [2023-12-21 10:08:52,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:08:52,560 INFO L93 Difference]: Finished difference Result 1386 states and 2103 transitions. [2023-12-21 10:08:52,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-21 10:08:52,562 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 [2023-12-21 10:08:52,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:08:52,565 INFO L225 Difference]: With dead ends: 1386 [2023-12-21 10:08:52,565 INFO L226 Difference]: Without dead ends: 794 [2023-12-21 10:08:52,566 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 [2023-12-21 10:08:52,566 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 1762 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 5635 mSolverCounterSat, 759 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 6394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 759 IncrementalHoareTripleChecker+Valid, 5635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-21 10:08:52,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 2335 Invalid, 6394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [759 Valid, 5635 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-21 10:08:52,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2023-12-21 10:08:52,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 660. [2023-12-21 10:08:52,593 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) [2023-12-21 10:08:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 979 transitions. [2023-12-21 10:08:52,595 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 979 transitions. Word has length 172 [2023-12-21 10:08:52,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:08:52,595 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 979 transitions. [2023-12-21 10:08:52,595 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) [2023-12-21 10:08:52,595 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 979 transitions. [2023-12-21 10:08:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-21 10:08:52,597 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:08:52,597 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] [2023-12-21 10:08:52,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-21 10:08:52,597 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:08:52,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:08:52,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1527992599, now seen corresponding path program 1 times [2023-12-21 10:08:52,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:08:52,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614725481] [2023-12-21 10:08:52,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:52,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:08:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:08:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:08:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:08:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:08:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:08:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:08:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:08:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:08:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:08:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:08:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:08:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:08:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:08:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 10:08:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-21 10:08:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-21 10:08:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-21 10:08:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-21 10:08:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-21 10:08:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-21 10:08:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-21 10:08:52,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:08:52,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614725481] [2023-12-21 10:08:52,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614725481] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:08:52,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:08:52,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-21 10:08:52,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094806825] [2023-12-21 10:08:52,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:08:52,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-21 10:08:52,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:08:52,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-21 10:08:52,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-21 10:08:52,768 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) [2023-12-21 10:08:55,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:08:55,530 INFO L93 Difference]: Finished difference Result 1385 states and 2102 transitions. [2023-12-21 10:08:55,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-21 10:08:55,531 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 [2023-12-21 10:08:55,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:08:55,538 INFO L225 Difference]: With dead ends: 1385 [2023-12-21 10:08:55,538 INFO L226 Difference]: Without dead ends: 796 [2023-12-21 10:08:55,539 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 [2023-12-21 10:08:55,540 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 1751 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 6509 mSolverCounterSat, 757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1752 SdHoareTripleChecker+Valid, 2564 SdHoareTripleChecker+Invalid, 7266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 757 IncrementalHoareTripleChecker+Valid, 6509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-21 10:08:55,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1752 Valid, 2564 Invalid, 7266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [757 Valid, 6509 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-21 10:08:55,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2023-12-21 10:08:55,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 665. [2023-12-21 10:08:55,589 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) [2023-12-21 10:08:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 987 transitions. [2023-12-21 10:08:55,592 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 987 transitions. Word has length 173 [2023-12-21 10:08:55,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:08:55,593 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 987 transitions. [2023-12-21 10:08:55,593 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) [2023-12-21 10:08:55,593 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 987 transitions. [2023-12-21 10:08:55,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-21 10:08:55,595 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:08:55,595 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] [2023-12-21 10:08:55,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-21 10:08:55,595 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:08:55,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:08:55,595 INFO L85 PathProgramCache]: Analyzing trace with hash -890491879, now seen corresponding path program 1 times [2023-12-21 10:08:55,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:08:55,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815632494] [2023-12-21 10:08:55,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:55,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:08:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:08:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:08:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:08:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:08:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:08:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:08:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:08:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:08:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:08:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:08:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:08:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:08:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:08:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 10:08:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-21 10:08:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-21 10:08:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-21 10:08:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-21 10:08:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-21 10:08:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-21 10:08:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-21 10:08:55,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:08:55,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815632494] [2023-12-21 10:08:55,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815632494] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:08:55,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:08:55,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-21 10:08:55,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774183905] [2023-12-21 10:08:55,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:08:55,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-21 10:08:55,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:08:55,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-21 10:08:55,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-21 10:08:55,783 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) [2023-12-21 10:08:58,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:08:58,226 INFO L93 Difference]: Finished difference Result 1384 states and 2099 transitions. [2023-12-21 10:08:58,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-21 10:08:58,226 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 [2023-12-21 10:08:58,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:08:58,242 INFO L225 Difference]: With dead ends: 1384 [2023-12-21 10:08:58,243 INFO L226 Difference]: Without dead ends: 792 [2023-12-21 10:08:58,247 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 [2023-12-21 10:08:58,248 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1759 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 5647 mSolverCounterSat, 750 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1759 SdHoareTripleChecker+Valid, 2336 SdHoareTripleChecker+Invalid, 6397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 750 IncrementalHoareTripleChecker+Valid, 5647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:08:58,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1759 Valid, 2336 Invalid, 6397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [750 Valid, 5647 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-21 10:08:58,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2023-12-21 10:08:58,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 660. [2023-12-21 10:08:58,334 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) [2023-12-21 10:08:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 978 transitions. [2023-12-21 10:08:58,346 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 978 transitions. Word has length 173 [2023-12-21 10:08:58,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:08:58,347 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 978 transitions. [2023-12-21 10:08:58,347 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) [2023-12-21 10:08:58,347 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 978 transitions. [2023-12-21 10:08:58,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-21 10:08:58,350 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:08:58,350 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] [2023-12-21 10:08:58,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-21 10:08:58,350 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:08:58,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:08:58,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1485706099, now seen corresponding path program 2 times [2023-12-21 10:08:58,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:08:58,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467475905] [2023-12-21 10:08:58,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:08:58,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:08:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:08:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:08:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:08:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:08:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:08:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:08:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:08:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:08:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:08:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:08:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:08:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:08:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:08:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:08:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-21 10:08:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 10:08:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 10:08:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-21 10:08:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-21 10:08:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-21 10:08:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-12-21 10:08:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:08:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-21 10:08:58,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:08:58,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467475905] [2023-12-21 10:08:58,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467475905] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:08:58,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:08:58,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-21 10:08:58,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392989931] [2023-12-21 10:08:58,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:08:58,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-21 10:08:58,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:08:58,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-21 10:08:58,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-21 10:08:58,524 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) [2023-12-21 10:09:01,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:01,292 INFO L93 Difference]: Finished difference Result 1383 states and 2100 transitions. [2023-12-21 10:09:01,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-21 10:09:01,293 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 [2023-12-21 10:09:01,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:01,296 INFO L225 Difference]: With dead ends: 1383 [2023-12-21 10:09:01,296 INFO L226 Difference]: Without dead ends: 794 [2023-12-21 10:09:01,297 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 [2023-12-21 10:09:01,298 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 1740 mSDsluCounter, 2298 mSDsCounter, 0 mSdLazyCounter, 6577 mSolverCounterSat, 735 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 2554 SdHoareTripleChecker+Invalid, 7312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 735 IncrementalHoareTripleChecker+Valid, 6577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-21 10:09:01,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 2554 Invalid, 7312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [735 Valid, 6577 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-21 10:09:01,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2023-12-21 10:09:01,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 662. [2023-12-21 10:09:01,327 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) [2023-12-21 10:09:01,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 984 transitions. [2023-12-21 10:09:01,328 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 984 transitions. Word has length 174 [2023-12-21 10:09:01,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:01,328 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 984 transitions. [2023-12-21 10:09:01,328 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) [2023-12-21 10:09:01,329 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 984 transitions. [2023-12-21 10:09:01,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-21 10:09:01,330 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:01,330 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] [2023-12-21 10:09:01,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-21 10:09:01,331 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:01,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:01,331 INFO L85 PathProgramCache]: Analyzing trace with hash -905280033, now seen corresponding path program 1 times [2023-12-21 10:09:01,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:01,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635806406] [2023-12-21 10:09:01,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:01,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:09:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:09:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:09:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:09:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:09:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:09:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:09:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:09:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:09:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:09:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:09:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:09:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:09:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 10:09:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-21 10:09:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-21 10:09:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-21 10:09:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-21 10:09:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-21 10:09:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,439 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:01,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:01,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635806406] [2023-12-21 10:09:01,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635806406] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:09:01,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354182814] [2023-12-21 10:09:01,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:01,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:09:01,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:09:01,440 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) [2023-12-21 10:09:01,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-21 10:09:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:01,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 1389 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 10:09:01,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:09:01,775 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:01,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 10:09:01,840 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:01,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354182814] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 10:09:01,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 10:09:01,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-12-21 10:09:01,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213748173] [2023-12-21 10:09:01,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 10:09:01,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-21 10:09:01,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:01,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-21 10:09:01,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-21 10:09:01,842 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) [2023-12-21 10:09:03,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:03,448 INFO L93 Difference]: Finished difference Result 1638 states and 2564 transitions. [2023-12-21 10:09:03,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 10:09:03,449 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 [2023-12-21 10:09:03,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:03,455 INFO L225 Difference]: With dead ends: 1638 [2023-12-21 10:09:03,455 INFO L226 Difference]: Without dead ends: 1330 [2023-12-21 10:09:03,456 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 [2023-12-21 10:09:03,456 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 2622 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 2815 mSolverCounterSat, 951 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 2064 SdHoareTripleChecker+Invalid, 3766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 951 IncrementalHoareTripleChecker+Valid, 2815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-21 10:09:03,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2676 Valid, 2064 Invalid, 3766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [951 Valid, 2815 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-21 10:09:03,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2023-12-21 10:09:03,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1183. [2023-12-21 10:09:03,526 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) [2023-12-21 10:09:03,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1858 transitions. [2023-12-21 10:09:03,529 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1858 transitions. Word has length 168 [2023-12-21 10:09:03,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:03,529 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1858 transitions. [2023-12-21 10:09:03,530 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) [2023-12-21 10:09:03,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1858 transitions. [2023-12-21 10:09:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-21 10:09:03,533 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:03,533 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] [2023-12-21 10:09:03,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-21 10:09:03,757 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 [2023-12-21 10:09:03,760 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:03,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:03,760 INFO L85 PathProgramCache]: Analyzing trace with hash -510683760, now seen corresponding path program 1 times [2023-12-21 10:09:03,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:03,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401452591] [2023-12-21 10:09:03,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:03,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:09:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:09:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:09:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:09:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:09:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:09:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:09:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:09:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:09:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:09:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:09:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:09:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:09:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 10:09:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-21 10:09:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-21 10:09:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-21 10:09:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-21 10:09:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-21 10:09:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-12-21 10:09:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:03,868 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:03,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:03,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401452591] [2023-12-21 10:09:03,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401452591] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:03,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:03,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:09:03,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217252406] [2023-12-21 10:09:03,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:03,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:09:03,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:03,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:09:03,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:09:03,870 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) [2023-12-21 10:09:05,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:05,654 INFO L93 Difference]: Finished difference Result 2868 states and 4621 transitions. [2023-12-21 10:09:05,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:09:05,654 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 [2023-12-21 10:09:05,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:05,675 INFO L225 Difference]: With dead ends: 2868 [2023-12-21 10:09:05,676 INFO L226 Difference]: Without dead ends: 1808 [2023-12-21 10:09:05,684 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 [2023-12-21 10:09:05,685 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 1905 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 1926 mSolverCounterSat, 822 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1923 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 2748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 822 IncrementalHoareTripleChecker+Valid, 1926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-21 10:09:05,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1923 Valid, 1280 Invalid, 2748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [822 Valid, 1926 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-21 10:09:05,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2023-12-21 10:09:05,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1671. [2023-12-21 10:09:05,740 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) [2023-12-21 10:09:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2669 transitions. [2023-12-21 10:09:05,744 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2669 transitions. Word has length 179 [2023-12-21 10:09:05,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:05,744 INFO L495 AbstractCegarLoop]: Abstraction has 1671 states and 2669 transitions. [2023-12-21 10:09:05,746 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) [2023-12-21 10:09:05,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2669 transitions. [2023-12-21 10:09:05,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-21 10:09:05,750 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:05,751 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] [2023-12-21 10:09:05,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-21 10:09:05,751 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:05,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:05,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1695123945, now seen corresponding path program 1 times [2023-12-21 10:09:05,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:05,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675731264] [2023-12-21 10:09:05,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:05,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:09:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:09:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:09:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:09:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:09:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:09:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:09:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:09:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:09:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:09:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:09:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:09:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:09:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-21 10:09:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 10:09:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-21 10:09:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-21 10:09:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-21 10:09:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-21 10:09:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:05,839 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:05,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:05,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675731264] [2023-12-21 10:09:05,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675731264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:05,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:05,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:09:05,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751506212] [2023-12-21 10:09:05,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:05,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:09:05,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:05,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:09:05,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:09:05,841 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) [2023-12-21 10:09:07,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:07,717 INFO L93 Difference]: Finished difference Result 4079 states and 6642 transitions. [2023-12-21 10:09:07,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:09:07,717 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 [2023-12-21 10:09:07,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:07,726 INFO L225 Difference]: With dead ends: 4079 [2023-12-21 10:09:07,726 INFO L226 Difference]: Without dead ends: 2591 [2023-12-21 10:09:07,729 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 [2023-12-21 10:09:07,729 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 1900 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 1871 mSolverCounterSat, 821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 2692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 1871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-21 10:09:07,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1919 Valid, 1236 Invalid, 2692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 1871 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-21 10:09:07,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2591 states. [2023-12-21 10:09:07,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2591 to 2454. [2023-12-21 10:09:07,799 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) [2023-12-21 10:09:07,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2454 states and 3961 transitions. [2023-12-21 10:09:07,803 INFO L78 Accepts]: Start accepts. Automaton has 2454 states and 3961 transitions. Word has length 173 [2023-12-21 10:09:07,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:07,804 INFO L495 AbstractCegarLoop]: Abstraction has 2454 states and 3961 transitions. [2023-12-21 10:09:07,804 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) [2023-12-21 10:09:07,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 3961 transitions. [2023-12-21 10:09:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-21 10:09:07,810 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:07,810 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] [2023-12-21 10:09:07,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-21 10:09:07,810 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:07,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:07,811 INFO L85 PathProgramCache]: Analyzing trace with hash -201687814, now seen corresponding path program 1 times [2023-12-21 10:09:07,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:07,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946819173] [2023-12-21 10:09:07,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:07,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:09:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:09:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:09:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:09:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:09:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:09:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:09:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:09:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:09:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:09:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:09:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:09:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:09:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-21 10:09:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-21 10:09:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-21 10:09:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-21 10:09:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-21 10:09:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-12-21 10:09:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:07,901 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:07,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:07,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946819173] [2023-12-21 10:09:07,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946819173] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:07,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:07,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:09:07,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343380942] [2023-12-21 10:09:07,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:07,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:09:07,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:07,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:09:07,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:09:07,903 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) [2023-12-21 10:09:09,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:09,823 INFO L93 Difference]: Finished difference Result 5917 states and 9738 transitions. [2023-12-21 10:09:09,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:09:09,824 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 [2023-12-21 10:09:09,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:09,837 INFO L225 Difference]: With dead ends: 5917 [2023-12-21 10:09:09,837 INFO L226 Difference]: Without dead ends: 3796 [2023-12-21 10:09:09,842 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 [2023-12-21 10:09:09,842 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 1895 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 808 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 2681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 808 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-21 10:09:09,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1913 Valid, 1230 Invalid, 2681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [808 Valid, 1873 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-21 10:09:09,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3796 states. [2023-12-21 10:09:09,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3796 to 3659. [2023-12-21 10:09:09,941 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) [2023-12-21 10:09:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 3659 states and 5963 transitions. [2023-12-21 10:09:09,948 INFO L78 Accepts]: Start accepts. Automaton has 3659 states and 5963 transitions. Word has length 174 [2023-12-21 10:09:09,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:09,948 INFO L495 AbstractCegarLoop]: Abstraction has 3659 states and 5963 transitions. [2023-12-21 10:09:09,948 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) [2023-12-21 10:09:09,948 INFO L276 IsEmpty]: Start isEmpty. Operand 3659 states and 5963 transitions. [2023-12-21 10:09:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-21 10:09:09,956 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:09,956 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] [2023-12-21 10:09:09,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-21 10:09:09,956 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:09,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:09,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1137952450, now seen corresponding path program 1 times [2023-12-21 10:09:09,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:09,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453386383] [2023-12-21 10:09:09,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:09,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:09,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:09:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:09:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:09:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:09:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:09:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:09:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:09:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:09:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:09:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:09:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:09:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:09:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:09:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-21 10:09:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-21 10:09:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-21 10:09:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 10:09:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 10:09:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 10:09:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-21 10:09:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:10,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:10,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453386383] [2023-12-21 10:09:10,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453386383] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:10,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:10,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:09:10,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663009998] [2023-12-21 10:09:10,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:10,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:09:10,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:10,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:09:10,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:09:10,056 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) [2023-12-21 10:09:11,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:11,693 INFO L93 Difference]: Finished difference Result 8817 states and 14645 transitions. [2023-12-21 10:09:11,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:09:11,694 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 [2023-12-21 10:09:11,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:11,715 INFO L225 Difference]: With dead ends: 8817 [2023-12-21 10:09:11,715 INFO L226 Difference]: Without dead ends: 5740 [2023-12-21 10:09:11,723 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 [2023-12-21 10:09:11,724 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1915 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 1853 mSolverCounterSat, 839 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1934 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 2692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 839 IncrementalHoareTripleChecker+Valid, 1853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-21 10:09:11,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1934 Valid, 1229 Invalid, 2692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [839 Valid, 1853 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-21 10:09:11,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5740 states. [2023-12-21 10:09:11,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5740 to 5603. [2023-12-21 10:09:11,948 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) [2023-12-21 10:09:11,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5603 states to 5603 states and 9195 transitions. [2023-12-21 10:09:11,974 INFO L78 Accepts]: Start accepts. Automaton has 5603 states and 9195 transitions. Word has length 182 [2023-12-21 10:09:11,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:11,976 INFO L495 AbstractCegarLoop]: Abstraction has 5603 states and 9195 transitions. [2023-12-21 10:09:11,976 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) [2023-12-21 10:09:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 5603 states and 9195 transitions. [2023-12-21 10:09:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-21 10:09:12,002 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:12,002 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] [2023-12-21 10:09:12,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-21 10:09:12,002 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:12,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:12,002 INFO L85 PathProgramCache]: Analyzing trace with hash 657203468, now seen corresponding path program 1 times [2023-12-21 10:09:12,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:12,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897694137] [2023-12-21 10:09:12,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:12,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:09:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:09:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:09:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:09:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:09:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:09:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:09:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:09:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:09:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:09:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:09:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:09:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:09:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-21 10:09:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-21 10:09:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-21 10:09:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-21 10:09:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-12-21 10:09:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-12-21 10:09:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-21 10:09:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:12,105 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:12,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:12,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897694137] [2023-12-21 10:09:12,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897694137] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:12,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:12,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:09:12,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048249793] [2023-12-21 10:09:12,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:12,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:09:12,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:12,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:09:12,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:09:12,106 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) [2023-12-21 10:09:13,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:13,669 INFO L93 Difference]: Finished difference Result 13686 states and 22819 transitions. [2023-12-21 10:09:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:09:13,691 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 [2023-12-21 10:09:13,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:13,729 INFO L225 Difference]: With dead ends: 13686 [2023-12-21 10:09:13,729 INFO L226 Difference]: Without dead ends: 9032 [2023-12-21 10:09:13,740 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 [2023-12-21 10:09:13,741 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 1894 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 1893 mSolverCounterSat, 804 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 2697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 804 IncrementalHoareTripleChecker+Valid, 1893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-21 10:09:13,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1913 Valid, 1251 Invalid, 2697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [804 Valid, 1893 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-21 10:09:13,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9032 states. [2023-12-21 10:09:14,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9032 to 8895. [2023-12-21 10:09:14,028 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) [2023-12-21 10:09:14,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8895 states to 8895 states and 14616 transitions. [2023-12-21 10:09:14,046 INFO L78 Accepts]: Start accepts. Automaton has 8895 states and 14616 transitions. Word has length 183 [2023-12-21 10:09:14,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:14,046 INFO L495 AbstractCegarLoop]: Abstraction has 8895 states and 14616 transitions. [2023-12-21 10:09:14,046 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) [2023-12-21 10:09:14,046 INFO L276 IsEmpty]: Start isEmpty. Operand 8895 states and 14616 transitions. [2023-12-21 10:09:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-21 10:09:14,059 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:14,059 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] [2023-12-21 10:09:14,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-21 10:09:14,059 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:14,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:14,059 INFO L85 PathProgramCache]: Analyzing trace with hash 195213869, now seen corresponding path program 1 times [2023-12-21 10:09:14,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:14,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955982332] [2023-12-21 10:09:14,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:14,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:09:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:09:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:09:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:09:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:09:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:09:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:09:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:09:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:09:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:09:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:09:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:09:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:09:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-21 10:09:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-21 10:09:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-21 10:09:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-21 10:09:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-12-21 10:09:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-21 10:09:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-12-21 10:09:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:14,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:14,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955982332] [2023-12-21 10:09:14,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955982332] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:14,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:14,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:09:14,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938920402] [2023-12-21 10:09:14,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:14,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:09:14,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:14,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:09:14,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:09:14,151 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) [2023-12-21 10:09:16,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:16,067 INFO L93 Difference]: Finished difference Result 22383 states and 37439 transitions. [2023-12-21 10:09:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:09:16,068 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 [2023-12-21 10:09:16,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:16,105 INFO L225 Difference]: With dead ends: 22383 [2023-12-21 10:09:16,106 INFO L226 Difference]: Without dead ends: 14917 [2023-12-21 10:09:16,123 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 [2023-12-21 10:09:16,123 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 1907 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 839 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 2705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 839 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-21 10:09:16,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 1235 Invalid, 2705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [839 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-21 10:09:16,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14917 states. [2023-12-21 10:09:16,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14917 to 14780. [2023-12-21 10:09:16,547 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) [2023-12-21 10:09:16,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14780 states to 14780 states and 24401 transitions. [2023-12-21 10:09:16,581 INFO L78 Accepts]: Start accepts. Automaton has 14780 states and 24401 transitions. Word has length 184 [2023-12-21 10:09:16,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:16,582 INFO L495 AbstractCegarLoop]: Abstraction has 14780 states and 24401 transitions. [2023-12-21 10:09:16,582 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) [2023-12-21 10:09:16,582 INFO L276 IsEmpty]: Start isEmpty. Operand 14780 states and 24401 transitions. [2023-12-21 10:09:16,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-21 10:09:16,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:16,599 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] [2023-12-21 10:09:16,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-21 10:09:16,599 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:16,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:16,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1084060243, now seen corresponding path program 1 times [2023-12-21 10:09:16,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:16,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934853180] [2023-12-21 10:09:16,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:16,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:09:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:09:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:09:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:09:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:09:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:09:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:09:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:09:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:09:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:09:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:09:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:09:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:09:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 10:09:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-21 10:09:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-21 10:09:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-21 10:09:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-21 10:09:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-12-21 10:09:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-12-21 10:09:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:16,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:16,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934853180] [2023-12-21 10:09:16,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934853180] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:16,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:16,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:09:16,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216371166] [2023-12-21 10:09:16,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:16,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:09:16,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:16,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:09:16,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:09:16,700 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) [2023-12-21 10:09:18,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:18,738 INFO L93 Difference]: Finished difference Result 35675 states and 59306 transitions. [2023-12-21 10:09:18,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:09:18,738 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 [2023-12-21 10:09:18,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:18,820 INFO L225 Difference]: With dead ends: 35675 [2023-12-21 10:09:18,820 INFO L226 Difference]: Without dead ends: 23433 [2023-12-21 10:09:18,840 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 [2023-12-21 10:09:18,840 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 1870 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 1946 mSolverCounterSat, 778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 2724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 778 IncrementalHoareTripleChecker+Valid, 1946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-21 10:09:18,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1888 Valid, 1254 Invalid, 2724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [778 Valid, 1946 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-21 10:09:18,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23433 states. [2023-12-21 10:09:19,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23433 to 23296. [2023-12-21 10:09:19,579 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) [2023-12-21 10:09:19,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23296 states to 23296 states and 38016 transitions. [2023-12-21 10:09:19,629 INFO L78 Accepts]: Start accepts. Automaton has 23296 states and 38016 transitions. Word has length 185 [2023-12-21 10:09:19,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:19,629 INFO L495 AbstractCegarLoop]: Abstraction has 23296 states and 38016 transitions. [2023-12-21 10:09:19,630 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) [2023-12-21 10:09:19,630 INFO L276 IsEmpty]: Start isEmpty. Operand 23296 states and 38016 transitions. [2023-12-21 10:09:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-21 10:09:19,654 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:19,654 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] [2023-12-21 10:09:19,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-21 10:09:19,654 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:19,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:19,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1450395989, now seen corresponding path program 1 times [2023-12-21 10:09:19,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:19,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929766199] [2023-12-21 10:09:19,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:19,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:09:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:09:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:09:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:09:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:09:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:09:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:09:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:09:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:09:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:09:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:09:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:09:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:09:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-21 10:09:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 10:09:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 10:09:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-21 10:09:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-21 10:09:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-12-21 10:09:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-12-21 10:09:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:19,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:19,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929766199] [2023-12-21 10:09:19,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929766199] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:19,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:19,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:09:19,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994655586] [2023-12-21 10:09:19,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:19,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:09:19,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:19,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:09:19,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:09:19,747 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) [2023-12-21 10:09:22,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:22,300 INFO L93 Difference]: Finished difference Result 61527 states and 101993 transitions. [2023-12-21 10:09:22,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:09:22,301 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 [2023-12-21 10:09:22,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:22,414 INFO L225 Difference]: With dead ends: 61527 [2023-12-21 10:09:22,414 INFO L226 Difference]: Without dead ends: 41552 [2023-12-21 10:09:22,459 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 [2023-12-21 10:09:22,461 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 1883 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 831 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 2709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 831 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-21 10:09:22,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 1233 Invalid, 2709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [831 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-21 10:09:22,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41552 states. [2023-12-21 10:09:23,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41552 to 41415. [2023-12-21 10:09:23,797 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) [2023-12-21 10:09:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41415 states to 41415 states and 67613 transitions. [2023-12-21 10:09:23,929 INFO L78 Accepts]: Start accepts. Automaton has 41415 states and 67613 transitions. Word has length 186 [2023-12-21 10:09:23,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:23,930 INFO L495 AbstractCegarLoop]: Abstraction has 41415 states and 67613 transitions. [2023-12-21 10:09:23,930 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) [2023-12-21 10:09:23,930 INFO L276 IsEmpty]: Start isEmpty. Operand 41415 states and 67613 transitions. [2023-12-21 10:09:23,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-12-21 10:09:23,949 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:23,949 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] [2023-12-21 10:09:23,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-21 10:09:23,949 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:23,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:23,950 INFO L85 PathProgramCache]: Analyzing trace with hash -394993466, now seen corresponding path program 1 times [2023-12-21 10:09:23,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:23,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139770902] [2023-12-21 10:09:23,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:23,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:09:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:09:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:09:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:09:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:09:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:09:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:09:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:09:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:09:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:09:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:09:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:09:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:09:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-21 10:09:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-21 10:09:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-21 10:09:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-21 10:09:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-21 10:09:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-21 10:09:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 10:09:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:24,060 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:24,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:24,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139770902] [2023-12-21 10:09:24,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139770902] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:24,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:24,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:09:24,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105709742] [2023-12-21 10:09:24,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:24,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:09:24,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:24,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:09:24,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:09:24,062 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) [2023-12-21 10:09:27,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:27,816 INFO L93 Difference]: Finished difference Result 112224 states and 185982 transitions. [2023-12-21 10:09:27,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:09:27,816 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 [2023-12-21 10:09:27,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:28,094 INFO L225 Difference]: With dead ends: 112224 [2023-12-21 10:09:28,095 INFO L226 Difference]: Without dead ends: 75273 [2023-12-21 10:09:28,180 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 [2023-12-21 10:09:28,180 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 1866 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 1926 mSolverCounterSat, 807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 2733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 807 IncrementalHoareTripleChecker+Valid, 1926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-21 10:09:28,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1884 Valid, 1249 Invalid, 2733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [807 Valid, 1926 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-21 10:09:28,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75273 states. [2023-12-21 10:09:30,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75273 to 75136. [2023-12-21 10:09:30,944 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) [2023-12-21 10:09:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75136 states to 75136 states and 122972 transitions. [2023-12-21 10:09:31,143 INFO L78 Accepts]: Start accepts. Automaton has 75136 states and 122972 transitions. Word has length 187 [2023-12-21 10:09:31,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:31,143 INFO L495 AbstractCegarLoop]: Abstraction has 75136 states and 122972 transitions. [2023-12-21 10:09:31,143 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) [2023-12-21 10:09:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 75136 states and 122972 transitions. [2023-12-21 10:09:31,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-21 10:09:31,172 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:31,172 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] [2023-12-21 10:09:31,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-21 10:09:31,172 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:31,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:31,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1800719766, now seen corresponding path program 1 times [2023-12-21 10:09:31,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:31,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449563163] [2023-12-21 10:09:31,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:31,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:09:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:09:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:09:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:09:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:09:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:09:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:09:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:09:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:09:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:09:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:09:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:09:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:09:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-21 10:09:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-21 10:09:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-21 10:09:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-21 10:09:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-12-21 10:09:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 10:09:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:31,252 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:31,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:31,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449563163] [2023-12-21 10:09:31,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449563163] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:31,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:31,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:09:31,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242497114] [2023-12-21 10:09:31,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:31,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:09:31,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:31,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:09:31,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:09:31,253 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) [2023-12-21 10:09:35,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:35,566 INFO L93 Difference]: Finished difference Result 140404 states and 233962 transitions. [2023-12-21 10:09:35,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:09:35,566 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 [2023-12-21 10:09:35,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:36,160 INFO L225 Difference]: With dead ends: 140404 [2023-12-21 10:09:36,160 INFO L226 Difference]: Without dead ends: 140096 [2023-12-21 10:09:36,194 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 [2023-12-21 10:09:36,195 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 1882 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 830 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 2700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 830 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-21 10:09:36,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1901 Valid, 1233 Invalid, 2700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [830 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-21 10:09:36,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140096 states. [2023-12-21 10:09:39,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140096 to 139959. [2023-12-21 10:09:40,013 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) [2023-12-21 10:09:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139959 states to 139959 states and 228933 transitions. [2023-12-21 10:09:40,783 INFO L78 Accepts]: Start accepts. Automaton has 139959 states and 228933 transitions. Word has length 181 [2023-12-21 10:09:40,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:40,785 INFO L495 AbstractCegarLoop]: Abstraction has 139959 states and 228933 transitions. [2023-12-21 10:09:40,785 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) [2023-12-21 10:09:40,785 INFO L276 IsEmpty]: Start isEmpty. Operand 139959 states and 228933 transitions. [2023-12-21 10:09:40,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-21 10:09:40,852 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:40,852 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] [2023-12-21 10:09:40,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-21 10:09:40,852 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:40,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:40,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1243066707, now seen corresponding path program 1 times [2023-12-21 10:09:40,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:40,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73223095] [2023-12-21 10:09:40,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:40,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:09:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:09:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:09:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:09:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:09:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:09:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:09:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:09:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:09:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:09:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:09:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:09:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:09:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:09:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-21 10:09:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-21 10:09:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 10:09:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 10:09:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 10:09:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-21 10:09:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:41,618 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:09:41,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:41,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73223095] [2023-12-21 10:09:41,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73223095] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:41,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:41,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-21 10:09:41,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938215574] [2023-12-21 10:09:41,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:41,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-21 10:09:41,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:41,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-21 10:09:41,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2023-12-21 10:09:41,620 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) [2023-12-21 10:09:54,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:54,192 INFO L93 Difference]: Finished difference Result 279285 states and 468878 transitions. [2023-12-21 10:09:54,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-21 10:09:54,193 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 [2023-12-21 10:09:54,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:55,401 INFO L225 Difference]: With dead ends: 279285 [2023-12-21 10:09:55,402 INFO L226 Difference]: Without dead ends: 278982 [2023-12-21 10:09:55,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1661 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=922, Invalid=4334, Unknown=0, NotChecked=0, Total=5256 [2023-12-21 10:09:55,495 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 5715 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 11392 mSolverCounterSat, 2570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5730 SdHoareTripleChecker+Valid, 4085 SdHoareTripleChecker+Invalid, 13962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2570 IncrementalHoareTripleChecker+Valid, 11392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-12-21 10:09:55,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5730 Valid, 4085 Invalid, 13962 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2570 Valid, 11392 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-12-21 10:09:55,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278982 states. [2023-12-21 10:10:04,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278982 to 278618. [2023-12-21 10:10:05,172 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) [2023-12-21 10:10:06,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278618 states to 278618 states and 459153 transitions. [2023-12-21 10:10:06,957 INFO L78 Accepts]: Start accepts. Automaton has 278618 states and 459153 transitions. Word has length 182 [2023-12-21 10:10:06,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:10:06,957 INFO L495 AbstractCegarLoop]: Abstraction has 278618 states and 459153 transitions. [2023-12-21 10:10:06,957 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) [2023-12-21 10:10:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 278618 states and 459153 transitions. [2023-12-21 10:10:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-12-21 10:10:07,008 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:10:07,008 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] [2023-12-21 10:10:07,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-21 10:10:07,008 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:10:07,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:10:07,008 INFO L85 PathProgramCache]: Analyzing trace with hash 925587639, now seen corresponding path program 1 times [2023-12-21 10:10:07,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:10:07,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941113938] [2023-12-21 10:10:07,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:10:07,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:10:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:10:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:10:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:10:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:10:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-21 10:10:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:10:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 10:10:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:10:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:10:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:10:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:10:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:10:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:10:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:10:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:10:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:10:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:10:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-21 10:10:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-21 10:10:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-21 10:10:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-12-21 10:10:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-12-21 10:10:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-21 10:10:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-12-21 10:10:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:10:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-21 10:10:07,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:10:07,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941113938] [2023-12-21 10:10:07,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941113938] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:10:07,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:10:07,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-21 10:10:07,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459813993] [2023-12-21 10:10:07,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:10:07,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-21 10:10:07,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:10:07,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-21 10:10:07,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2023-12-21 10:10:07,683 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) [2023-12-21 10:10:26,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:10:26,018 INFO L93 Difference]: Finished difference Result 553684 states and 936471 transitions. [2023-12-21 10:10:26,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-21 10:10:26,018 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 [2023-12-21 10:10:26,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted.