/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_spec8_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 10:01:30,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 10:01:30,443 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 10:01:30,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 10:01:30,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 10:01:30,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 10:01:30,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 10:01:30,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 10:01:30,482 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 10:01:30,482 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 10:01:30,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 10:01:30,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 10:01:30,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 10:01:30,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 10:01:30,484 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 10:01:30,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 10:01:30,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 10:01:30,484 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 10:01:30,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 10:01:30,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 10:01:30,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 10:01:30,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 10:01:30,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 10:01:30,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 10:01:30,492 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 10:01:30,492 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 10:01:30,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 10:01:30,493 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 10:01:30,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 10:01:30,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 10:01:30,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 10:01:30,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 10:01:30,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:01:30,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 10:01:30,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 10:01:30,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 10:01:30,495 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 10:01:30,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 10:01:30,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 10:01:30,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 10:01:30,495 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 10:01:30,502 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 10:01:30,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 10:01:30,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 10:01:30,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 10:01:30,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 10:01:30,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 10:01:30,714 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 10:01:30,714 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 10:01:30,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2023-12-21 10:01:31,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 10:01:32,099 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 10:01:32,100 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2023-12-21 10:01:32,118 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50debb67/fbf5c9317b984ab4b0092c55dc22399f/FLAG299bebebf [2023-12-21 10:01:32,132 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50debb67/fbf5c9317b984ab4b0092c55dc22399f [2023-12-21 10:01:32,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 10:01:32,135 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 10:01:32,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 10:01:32,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 10:01:32,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 10:01:32,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32174d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32, skipping insertion in model container [2023-12-21 10:01:32,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,195 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 10:01:32,447 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_spec8_product21.cil.c[15456,15469] [2023-12-21 10:01:32,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:01:32,565 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 10:01:32,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2023-12-21 10:01:32,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [380] [2023-12-21 10:01:32,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [492] [2023-12-21 10:01:32,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [810] [2023-12-21 10:01:32,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [819] [2023-12-21 10:01:32,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1038] [2023-12-21 10:01:32,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [1404] [2023-12-21 10:01:32,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1446] [2023-12-21 10:01:32,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2508] [2023-12-21 10:01:32,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2543] [2023-12-21 10:01:32,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2946] [2023-12-21 10:01:32,606 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_spec8_product21.cil.c[15456,15469] [2023-12-21 10:01:32,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:01:32,734 INFO L206 MainTranslator]: Completed translation [2023-12-21 10:01:32,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32 WrapperNode [2023-12-21 10:01:32,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 10:01:32,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 10:01:32,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 10:01:32,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 10:01:32,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,827 INFO L138 Inliner]: procedures = 129, calls = 200, calls flagged for inlining = 58, calls inlined = 55, statements flattened = 1054 [2023-12-21 10:01:32,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 10:01:32,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 10:01:32,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 10:01:32,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 10:01:32,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,851 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,871 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 10:01:32,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 10:01:32,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 10:01:32,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 10:01:32,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 10:01:32,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32" (1/1) ... [2023-12-21 10:01:32,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:01:32,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:01:32,988 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 10:01:33,012 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 10:01:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-21 10:01:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-21 10:01:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-21 10:01:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-21 10:01:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-21 10:01:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-21 10:01:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-21 10:01:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-21 10:01:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-21 10:01:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-21 10:01:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-21 10:01:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-21 10:01:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-21 10:01:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-21 10:01:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-21 10:01:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-21 10:01:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-21 10:01:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-21 10:01:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-21 10:01:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-21 10:01:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 10:01:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-21 10:01:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-21 10:01:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-21 10:01:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-21 10:01:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-21 10:01:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-21 10:01:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-21 10:01:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-21 10:01:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-12-21 10:01:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-12-21 10:01:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-21 10:01:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-21 10:01:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-21 10:01:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-21 10:01:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-21 10:01:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-21 10:01:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-21 10:01:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-21 10:01:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 10:01:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 10:01:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-21 10:01:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-21 10:01:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-21 10:01:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-21 10:01:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-21 10:01:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-21 10:01:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 10:01:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 10:01:33,260 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 10:01:33,262 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 10:01:33,757 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 10:01:33,804 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 10:01:33,804 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 10:01:33,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:01:33 BoogieIcfgContainer [2023-12-21 10:01:33,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 10:01:33,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 10:01:33,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 10:01:33,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 10:01:33,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:01:32" (1/3) ... [2023-12-21 10:01:33,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdc01ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:01:33, skipping insertion in model container [2023-12-21 10:01:33,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:32" (2/3) ... [2023-12-21 10:01:33,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdc01ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:01:33, skipping insertion in model container [2023-12-21 10:01:33,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:01:33" (3/3) ... [2023-12-21 10:01:33,810 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product21.cil.c [2023-12-21 10:01:33,824 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 10:01:33,825 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 10:01:33,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 10:01:33,868 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;@635e3848, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 10:01:33,868 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 10:01:33,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 348 states, 268 states have (on average 1.6305970149253732) internal successors, (437), 273 states have internal predecessors, (437), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2023-12-21 10:01:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-21 10:01:33,903 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:33,903 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:33,904 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:33,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:33,907 INFO L85 PathProgramCache]: Analyzing trace with hash -708676618, now seen corresponding path program 1 times [2023-12-21 10:01:33,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:33,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609832670] [2023-12-21 10:01:33,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:33,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 10:01:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 10:01:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 10:01:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 10:01:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-21 10:01:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:01:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 10:01:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 10:01:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 10:01:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-21 10:01:34,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:34,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609832670] [2023-12-21 10:01:34,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609832670] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:01:34,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542458529] [2023-12-21 10:01:34,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:34,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:01:34,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:01:34,562 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 10:01:34,609 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 10:01:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:34,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 10:01:34,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:01:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-21 10:01:34,862 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 10:01:34,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542458529] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:34,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 10:01:34,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-21 10:01:34,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303547088] [2023-12-21 10:01:34,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:34,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 10:01:34,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:34,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 10:01:34,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 10:01:34,896 INFO L87 Difference]: Start difference. First operand has 348 states, 268 states have (on average 1.6305970149253732) internal successors, (437), 273 states have internal predecessors, (437), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:34,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:34,997 INFO L93 Difference]: Finished difference Result 512 states and 801 transitions. [2023-12-21 10:01:35,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 10:01:35,005 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 92 [2023-12-21 10:01:35,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:35,014 INFO L225 Difference]: With dead ends: 512 [2023-12-21 10:01:35,014 INFO L226 Difference]: Without dead ends: 345 [2023-12-21 10:01:35,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 10:01:35,029 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:35,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 531 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:01:35,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-12-21 10:01:35,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2023-12-21 10:01:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 266 states have (on average 1.6165413533834587) internal successors, (430), 270 states have internal predecessors, (430), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-21 10:01:35,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 543 transitions. [2023-12-21 10:01:35,109 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 543 transitions. Word has length 92 [2023-12-21 10:01:35,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:35,110 INFO L495 AbstractCegarLoop]: Abstraction has 345 states and 543 transitions. [2023-12-21 10:01:35,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:35,110 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 543 transitions. [2023-12-21 10:01:35,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-21 10:01:35,115 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:35,115 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:35,130 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 10:01:35,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-21 10:01:35,316 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:35,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:35,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1537650507, now seen corresponding path program 1 times [2023-12-21 10:01:35,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:35,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943605301] [2023-12-21 10:01:35,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:35,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 10:01:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 10:01:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 10:01:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 10:01:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 10:01:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-21 10:01:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 10:01:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-21 10:01:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-21 10:01:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-21 10:01:35,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:35,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943605301] [2023-12-21 10:01:35,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943605301] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:01:35,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911108568] [2023-12-21 10:01:35,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:35,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:01:35,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:01:35,545 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 10:01:35,569 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 10:01:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:35,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-21 10:01:35,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:01:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-21 10:01:35,796 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 10:01:35,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911108568] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:35,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 10:01:35,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-21 10:01:35,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993986471] [2023-12-21 10:01:35,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:35,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:01:35,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:35,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:01:35,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-21 10:01:35,798 INFO L87 Difference]: Start difference. First operand 345 states and 543 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:35,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:35,852 INFO L93 Difference]: Finished difference Result 508 states and 785 transitions. [2023-12-21 10:01:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:01:35,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 93 [2023-12-21 10:01:35,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:35,855 INFO L225 Difference]: With dead ends: 508 [2023-12-21 10:01:35,855 INFO L226 Difference]: Without dead ends: 347 [2023-12-21 10:01:35,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-21 10:01:35,857 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 0 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:35,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1055 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:01:35,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-12-21 10:01:35,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2023-12-21 10:01:35,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 268 states have (on average 1.6119402985074627) internal successors, (432), 272 states have internal predecessors, (432), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-21 10:01:35,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 545 transitions. [2023-12-21 10:01:35,871 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 545 transitions. Word has length 93 [2023-12-21 10:01:35,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:35,871 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 545 transitions. [2023-12-21 10:01:35,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:35,871 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 545 transitions. [2023-12-21 10:01:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-21 10:01:35,874 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:35,874 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:35,883 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 10:01:36,081 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,SelfDestructingSolverStorable1 [2023-12-21 10:01:36,082 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:36,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:36,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1032394088, now seen corresponding path program 1 times [2023-12-21 10:01:36,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:36,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930193898] [2023-12-21 10:01:36,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:36,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 10:01:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 10:01:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 10:01:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 10:01:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 10:01:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-21 10:01:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 10:01:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 10:01:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 10:01:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 10:01:36,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:36,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930193898] [2023-12-21 10:01:36,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930193898] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:01:36,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674661775] [2023-12-21 10:01:36,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:36,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:01:36,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:01:36,237 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 10:01:36,240 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 10:01:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 10:01:36,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:01:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-21 10:01:36,453 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 10:01:36,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674661775] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:36,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 10:01:36,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-21 10:01:36,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590098143] [2023-12-21 10:01:36,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:36,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:01:36,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:36,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:01:36,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-21 10:01:36,454 INFO L87 Difference]: Start difference. First operand 347 states and 545 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:36,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:36,492 INFO L93 Difference]: Finished difference Result 742 states and 1182 transitions. [2023-12-21 10:01:36,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:01:36,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2023-12-21 10:01:36,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:36,495 INFO L225 Difference]: With dead ends: 742 [2023-12-21 10:01:36,495 INFO L226 Difference]: Without dead ends: 417 [2023-12-21 10:01:36,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-21 10:01:36,497 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 129 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:36,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1021 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:01:36,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2023-12-21 10:01:36,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 412. [2023-12-21 10:01:36,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 319 states have (on average 1.6269592476489028) internal successors, (519), 323 states have internal predecessors, (519), 71 states have call successors, (71), 21 states have call predecessors, (71), 21 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-21 10:01:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 660 transitions. [2023-12-21 10:01:36,510 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 660 transitions. Word has length 98 [2023-12-21 10:01:36,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:36,511 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 660 transitions. [2023-12-21 10:01:36,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:36,511 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 660 transitions. [2023-12-21 10:01:36,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-21 10:01:36,513 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:36,514 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:36,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-21 10:01:36,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:01:36,726 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:36,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:36,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1151685011, now seen corresponding path program 1 times [2023-12-21 10:01:36,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:36,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154901889] [2023-12-21 10:01:36,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:36,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 10:01:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 10:01:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 10:01:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-21 10:01:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-21 10:01:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-21 10:01:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 10:01:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 10:01:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-21 10:01:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:36,882 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 10:01:36,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:36,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154901889] [2023-12-21 10:01:36,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154901889] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:01:36,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268233374] [2023-12-21 10:01:36,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:36,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:01:36,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:01:36,884 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 10:01:36,886 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 10:01:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-21 10:01:37,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:01:37,136 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-21 10:01:37,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 10:01:37,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268233374] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:37,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 10:01:37,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-21 10:01:37,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918684583] [2023-12-21 10:01:37,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:37,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 10:01:37,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:37,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 10:01:37,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-21 10:01:37,138 INFO L87 Difference]: Start difference. First operand 412 states and 660 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-21 10:01:37,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:37,225 INFO L93 Difference]: Finished difference Result 819 states and 1314 transitions. [2023-12-21 10:01:37,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 10:01:37,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 99 [2023-12-21 10:01:37,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:37,229 INFO L225 Difference]: With dead ends: 819 [2023-12-21 10:01:37,229 INFO L226 Difference]: Without dead ends: 414 [2023-12-21 10:01:37,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-21 10:01:37,231 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 8 mSDsluCounter, 1546 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2065 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:37,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2065 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:01:37,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2023-12-21 10:01:37,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2023-12-21 10:01:37,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 320 states have (on average 1.625) internal successors, (520), 325 states have internal predecessors, (520), 71 states have call successors, (71), 21 states have call predecessors, (71), 22 states have return successors, (72), 69 states have call predecessors, (72), 70 states have call successors, (72) [2023-12-21 10:01:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 663 transitions. [2023-12-21 10:01:37,245 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 663 transitions. Word has length 99 [2023-12-21 10:01:37,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:37,245 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 663 transitions. [2023-12-21 10:01:37,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-21 10:01:37,245 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 663 transitions. [2023-12-21 10:01:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-21 10:01:37,247 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:37,247 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:37,272 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 10:01:37,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:01:37,459 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:37,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:37,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1720751876, now seen corresponding path program 1 times [2023-12-21 10:01:37,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:37,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101086439] [2023-12-21 10:01:37,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:37,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:01:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-21 10:01:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-21 10:01:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-21 10:01:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:01:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:01:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 10:01:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-21 10:01:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-21 10:01:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,644 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-21 10:01:37,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:37,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101086439] [2023-12-21 10:01:37,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101086439] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:01:37,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031772851] [2023-12-21 10:01:37,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:37,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:01:37,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:01:37,646 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 10:01:37,663 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 10:01:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:37,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-21 10:01:37,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:01:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-21 10:01:37,944 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 10:01:37,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031772851] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:37,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 10:01:37,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-21 10:01:37,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811275087] [2023-12-21 10:01:37,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:37,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 10:01:37,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:37,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 10:01:37,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-21 10:01:37,946 INFO L87 Difference]: Start difference. First operand 414 states and 663 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-21 10:01:38,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:38,029 INFO L93 Difference]: Finished difference Result 821 states and 1319 transitions. [2023-12-21 10:01:38,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 10:01:38,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 100 [2023-12-21 10:01:38,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:38,033 INFO L225 Difference]: With dead ends: 821 [2023-12-21 10:01:38,033 INFO L226 Difference]: Without dead ends: 416 [2023-12-21 10:01:38,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-21 10:01:38,035 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 8 mSDsluCounter, 1534 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2051 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:38,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2051 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 10:01:38,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2023-12-21 10:01:38,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2023-12-21 10:01:38,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 321 states have (on average 1.6230529595015577) internal successors, (521), 327 states have internal predecessors, (521), 71 states have call successors, (71), 21 states have call predecessors, (71), 23 states have return successors, (77), 69 states have call predecessors, (77), 70 states have call successors, (77) [2023-12-21 10:01:38,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 669 transitions. [2023-12-21 10:01:38,056 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 669 transitions. Word has length 100 [2023-12-21 10:01:38,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:38,056 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 669 transitions. [2023-12-21 10:01:38,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-21 10:01:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 669 transitions. [2023-12-21 10:01:38,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-21 10:01:38,059 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:38,059 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:38,068 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 10:01:38,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:01:38,266 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:38,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:38,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1574873884, now seen corresponding path program 1 times [2023-12-21 10:01:38,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:38,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318128715] [2023-12-21 10:01:38,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:38,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:38,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:38,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:38,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:38,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:01:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:38,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:01:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:38,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-21 10:01:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:38,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-21 10:01:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:38,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-21 10:01:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 10:01:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:38,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:01:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:38,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-21 10:01:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:38,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:01:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:38,405 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 10:01:38,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:38,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318128715] [2023-12-21 10:01:38,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318128715] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:38,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:01:38,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 10:01:38,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265475570] [2023-12-21 10:01:38,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:38,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 10:01:38,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:38,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 10:01:38,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 10:01:38,407 INFO L87 Difference]: Start difference. First operand 416 states and 669 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-21 10:01:39,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:39,989 INFO L93 Difference]: Finished difference Result 947 states and 1552 transitions. [2023-12-21 10:01:39,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-21 10:01:39,990 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 101 [2023-12-21 10:01:39,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:39,994 INFO L225 Difference]: With dead ends: 947 [2023-12-21 10:01:39,995 INFO L226 Difference]: Without dead ends: 550 [2023-12-21 10:01:39,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-21 10:01:39,997 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1167 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2666 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 3061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 2666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:39,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 1193 Invalid, 3061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 2666 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-21 10:01:39,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2023-12-21 10:01:40,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 416. [2023-12-21 10:01:40,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 321 states have (on average 1.6230529595015577) internal successors, (521), 327 states have internal predecessors, (521), 71 states have call successors, (71), 21 states have call predecessors, (71), 23 states have return successors, (76), 69 states have call predecessors, (76), 70 states have call successors, (76) [2023-12-21 10:01:40,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 668 transitions. [2023-12-21 10:01:40,036 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 668 transitions. Word has length 101 [2023-12-21 10:01:40,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:40,037 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 668 transitions. [2023-12-21 10:01:40,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-21 10:01:40,037 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 668 transitions. [2023-12-21 10:01:40,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-21 10:01:40,040 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:40,040 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:40,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-21 10:01:40,040 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:40,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:40,041 INFO L85 PathProgramCache]: Analyzing trace with hash 827521843, now seen corresponding path program 2 times [2023-12-21 10:01:40,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:40,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645549149] [2023-12-21 10:01:40,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:40,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:40,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:40,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:40,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:01:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:40,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:01:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:40,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-21 10:01:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:40,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-21 10:01:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:40,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 10:01:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:40,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 10:01:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 10:01:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:40,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-21 10:01:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:40,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-21 10:01:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 10:01:40,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:40,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645549149] [2023-12-21 10:01:40,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645549149] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:40,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:01:40,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 10:01:40,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001711149] [2023-12-21 10:01:40,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:40,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 10:01:40,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:40,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 10:01:40,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 10:01:40,203 INFO L87 Difference]: Start difference. First operand 416 states and 668 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-21 10:01:41,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:41,736 INFO L93 Difference]: Finished difference Result 949 states and 1555 transitions. [2023-12-21 10:01:41,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-21 10:01:41,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 102 [2023-12-21 10:01:41,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:41,740 INFO L225 Difference]: With dead ends: 949 [2023-12-21 10:01:41,740 INFO L226 Difference]: Without dead ends: 552 [2023-12-21 10:01:41,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-21 10:01:41,742 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 1160 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2703 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 3088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 2703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:41,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 1194 Invalid, 3088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 2703 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-21 10:01:41,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2023-12-21 10:01:41,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 418. [2023-12-21 10:01:41,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 322 states have (on average 1.6211180124223603) internal successors, (522), 329 states have internal predecessors, (522), 71 states have call successors, (71), 21 states have call predecessors, (71), 24 states have return successors, (78), 69 states have call predecessors, (78), 70 states have call successors, (78) [2023-12-21 10:01:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 671 transitions. [2023-12-21 10:01:41,762 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 671 transitions. Word has length 102 [2023-12-21 10:01:41,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:41,763 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 671 transitions. [2023-12-21 10:01:41,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-21 10:01:41,764 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 671 transitions. [2023-12-21 10:01:41,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-21 10:01:41,766 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:41,766 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:41,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-21 10:01:41,767 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:41,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:41,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1098381941, now seen corresponding path program 1 times [2023-12-21 10:01:41,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:41,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212089577] [2023-12-21 10:01:41,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:41,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:41,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:41,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:01:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:41,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:01:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:41,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:01:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:41,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 10:01:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-21 10:01:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:41,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 10:01:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 10:01:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 10:01:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 10:01:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 10:01:41,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:41,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212089577] [2023-12-21 10:01:41,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212089577] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:41,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:01:41,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 10:01:41,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606895488] [2023-12-21 10:01:41,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:41,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 10:01:41,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:41,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 10:01:41,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 10:01:41,881 INFO L87 Difference]: Start difference. First operand 418 states and 671 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-21 10:01:43,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:43,280 INFO L93 Difference]: Finished difference Result 949 states and 1554 transitions. [2023-12-21 10:01:43,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 10:01:43,281 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 103 [2023-12-21 10:01:43,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:43,285 INFO L225 Difference]: With dead ends: 949 [2023-12-21 10:01:43,285 INFO L226 Difference]: Without dead ends: 552 [2023-12-21 10:01:43,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2023-12-21 10:01:43,287 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 1161 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2688 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 3073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 2688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:43,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 1194 Invalid, 3073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 2688 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-21 10:01:43,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2023-12-21 10:01:43,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 418. [2023-12-21 10:01:43,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 322 states have (on average 1.6211180124223603) internal successors, (522), 329 states have internal predecessors, (522), 71 states have call successors, (71), 21 states have call predecessors, (71), 24 states have return successors, (78), 69 states have call predecessors, (78), 70 states have call successors, (78) [2023-12-21 10:01:43,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 671 transitions. [2023-12-21 10:01:43,310 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 671 transitions. Word has length 103 [2023-12-21 10:01:43,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:43,310 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 671 transitions. [2023-12-21 10:01:43,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-21 10:01:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 671 transitions. [2023-12-21 10:01:43,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-21 10:01:43,311 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:43,311 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:43,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-21 10:01:43,312 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:43,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:43,312 INFO L85 PathProgramCache]: Analyzing trace with hash -131031287, now seen corresponding path program 1 times [2023-12-21 10:01:43,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:43,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519490487] [2023-12-21 10:01:43,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:43,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:43,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:43,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:01:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:43,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:01:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:43,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:01:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:43,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 10:01:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:43,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-21 10:01:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:43,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 10:01:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:43,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 10:01:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:43,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 10:01:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:43,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 10:01:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:43,477 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-21 10:01:43,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:43,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519490487] [2023-12-21 10:01:43,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519490487] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:43,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:01:43,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-21 10:01:43,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828267488] [2023-12-21 10:01:43,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:43,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-21 10:01:43,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:43,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-21 10:01:43,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-21 10:01:43,478 INFO L87 Difference]: Start difference. First operand 418 states and 671 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2023-12-21 10:01:45,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:45,869 INFO L93 Difference]: Finished difference Result 947 states and 1549 transitions. [2023-12-21 10:01:45,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-21 10:01:45,870 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 103 [2023-12-21 10:01:45,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:45,872 INFO L225 Difference]: With dead ends: 947 [2023-12-21 10:01:45,872 INFO L226 Difference]: Without dead ends: 552 [2023-12-21 10:01:45,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-21 10:01:45,874 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 1172 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4429 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 4837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 4429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:45,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 1652 Invalid, 4837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 4429 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-21 10:01:45,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2023-12-21 10:01:45,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 418. [2023-12-21 10:01:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 322 states have (on average 1.6211180124223603) internal successors, (522), 329 states have internal predecessors, (522), 71 states have call successors, (71), 21 states have call predecessors, (71), 24 states have return successors, (77), 69 states have call predecessors, (77), 70 states have call successors, (77) [2023-12-21 10:01:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 670 transitions. [2023-12-21 10:01:45,897 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 670 transitions. Word has length 103 [2023-12-21 10:01:45,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:45,897 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 670 transitions. [2023-12-21 10:01:45,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2023-12-21 10:01:45,897 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 670 transitions. [2023-12-21 10:01:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-21 10:01:45,898 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:45,899 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:45,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-21 10:01:45,899 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:45,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:45,899 INFO L85 PathProgramCache]: Analyzing trace with hash 494700059, now seen corresponding path program 2 times [2023-12-21 10:01:45,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:45,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189750725] [2023-12-21 10:01:45,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:45,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:45,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:45,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:45,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:45,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:01:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:01:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:46,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:01:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:46,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-21 10:01:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:46,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 10:01:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 10:01:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:46,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 10:01:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 10:01:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:46,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-21 10:01:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:46,042 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-21 10:01:46,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:46,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189750725] [2023-12-21 10:01:46,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189750725] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:46,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:01:46,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-21 10:01:46,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054329945] [2023-12-21 10:01:46,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:46,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-21 10:01:46,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:46,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-21 10:01:46,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-21 10:01:46,044 INFO L87 Difference]: Start difference. First operand 418 states and 670 transitions. Second operand has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2023-12-21 10:01:48,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:48,368 INFO L93 Difference]: Finished difference Result 949 states and 1555 transitions. [2023-12-21 10:01:48,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-21 10:01:48,369 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 104 [2023-12-21 10:01:48,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:48,374 INFO L225 Difference]: With dead ends: 949 [2023-12-21 10:01:48,374 INFO L226 Difference]: Without dead ends: 554 [2023-12-21 10:01:48,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-21 10:01:48,376 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 1164 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4486 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 4871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 4486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:48,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1165 Valid, 1653 Invalid, 4871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 4486 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-21 10:01:48,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2023-12-21 10:01:48,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 420. [2023-12-21 10:01:48,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 323 states have (on average 1.6191950464396285) internal successors, (523), 331 states have internal predecessors, (523), 71 states have call successors, (71), 21 states have call predecessors, (71), 25 states have return successors, (82), 69 states have call predecessors, (82), 70 states have call successors, (82) [2023-12-21 10:01:48,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 676 transitions. [2023-12-21 10:01:48,399 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 676 transitions. Word has length 104 [2023-12-21 10:01:48,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:48,399 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 676 transitions. [2023-12-21 10:01:48,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2023-12-21 10:01:48,399 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 676 transitions. [2023-12-21 10:01:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-21 10:01:48,400 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:48,401 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:48,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-21 10:01:48,401 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:48,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:48,402 INFO L85 PathProgramCache]: Analyzing trace with hash 644536654, now seen corresponding path program 1 times [2023-12-21 10:01:48,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:48,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822409158] [2023-12-21 10:01:48,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:48,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:01:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:01:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:01:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:01:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-21 10:01:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 10:01:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 10:01:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 10:01:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-21 10:01:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,504 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:01:48,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:48,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822409158] [2023-12-21 10:01:48,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822409158] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:01:48,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552679454] [2023-12-21 10:01:48,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:48,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:01:48,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:01:48,506 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 10:01:48,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-21 10:01:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:48,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 10:01:48,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:01:48,743 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:01:48,744 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 10:01:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:01:48,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552679454] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 10:01:48,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 10:01:48,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-12-21 10:01:48,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542620996] [2023-12-21 10:01:48,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 10:01:48,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-21 10:01:48,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:48,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-21 10:01:48,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-21 10:01:48,796 INFO L87 Difference]: Start difference. First operand 420 states and 676 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-21 10:01:50,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:50,745 INFO L93 Difference]: Finished difference Result 1135 states and 1932 transitions. [2023-12-21 10:01:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 10:01:50,745 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 105 [2023-12-21 10:01:50,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:50,751 INFO L225 Difference]: With dead ends: 1135 [2023-12-21 10:01:50,751 INFO L226 Difference]: Without dead ends: 974 [2023-12-21 10:01:50,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 231 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 10:01:50,753 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 1533 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 3448 mSolverCounterSat, 542 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1587 SdHoareTripleChecker+Valid, 1657 SdHoareTripleChecker+Invalid, 3990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 542 IncrementalHoareTripleChecker+Valid, 3448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:50,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1587 Valid, 1657 Invalid, 3990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [542 Valid, 3448 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-21 10:01:50,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2023-12-21 10:01:50,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 825. [2023-12-21 10:01:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 649 states have (on average 1.6687211093990755) internal successors, (1083), 657 states have internal predecessors, (1083), 150 states have call successors, (150), 21 states have call predecessors, (150), 25 states have return successors, (171), 148 states have call predecessors, (171), 149 states have call successors, (171) [2023-12-21 10:01:50,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1404 transitions. [2023-12-21 10:01:50,784 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1404 transitions. Word has length 105 [2023-12-21 10:01:50,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:50,784 INFO L495 AbstractCegarLoop]: Abstraction has 825 states and 1404 transitions. [2023-12-21 10:01:50,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-21 10:01:50,785 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1404 transitions. [2023-12-21 10:01:50,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-21 10:01:50,788 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:50,788 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:50,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-21 10:01:50,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:01:50,994 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:50,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:50,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1161691797, now seen corresponding path program 1 times [2023-12-21 10:01:50,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:50,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488206572] [2023-12-21 10:01:50,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:50,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:51,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:01:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:01:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:51,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:01:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-21 10:01:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:51,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 10:01:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 10:01:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 10:01:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:51,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-21 10:01:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-21 10:01:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:51,066 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:01:51,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:51,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488206572] [2023-12-21 10:01:51,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488206572] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:51,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:01:51,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:01:51,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910552039] [2023-12-21 10:01:51,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:51,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:01:51,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:51,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:01:51,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:01:51,067 INFO L87 Difference]: Start difference. First operand 825 states and 1404 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:52,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:52,363 INFO L93 Difference]: Finished difference Result 2131 states and 3711 transitions. [2023-12-21 10:01:52,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:01:52,364 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2023-12-21 10:01:52,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:52,370 INFO L225 Difference]: With dead ends: 2131 [2023-12-21 10:01:52,370 INFO L226 Difference]: Without dead ends: 1366 [2023-12-21 10:01:52,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 10:01:52,373 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 1280 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 2023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:52,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 927 Invalid, 2023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-21 10:01:52,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2023-12-21 10:01:52,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1227. [2023-12-21 10:01:52,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 972 states have (on average 1.676954732510288) internal successors, (1630), 980 states have internal predecessors, (1630), 229 states have call successors, (229), 21 states have call predecessors, (229), 25 states have return successors, (260), 227 states have call predecessors, (260), 228 states have call successors, (260) [2023-12-21 10:01:52,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 2119 transitions. [2023-12-21 10:01:52,415 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 2119 transitions. Word has length 111 [2023-12-21 10:01:52,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:52,416 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 2119 transitions. [2023-12-21 10:01:52,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 2119 transitions. [2023-12-21 10:01:52,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-21 10:01:52,420 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:52,421 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:52,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-21 10:01:52,421 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:52,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:52,421 INFO L85 PathProgramCache]: Analyzing trace with hash 155861517, now seen corresponding path program 1 times [2023-12-21 10:01:52,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:52,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582687171] [2023-12-21 10:01:52,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:52,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:52,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:52,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:52,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:01:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:52,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:01:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:52,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:01:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:52,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-21 10:01:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:52,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 10:01:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:52,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 10:01:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:52,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 10:01:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:52,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-21 10:01:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:52,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-21 10:01:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:52,495 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:01:52,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:52,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582687171] [2023-12-21 10:01:52,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582687171] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:52,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:01:52,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:01:52,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018904790] [2023-12-21 10:01:52,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:52,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:01:52,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:52,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:01:52,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:01:52,496 INFO L87 Difference]: Start difference. First operand 1227 states and 2119 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:53,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:53,948 INFO L93 Difference]: Finished difference Result 3114 states and 5458 transitions. [2023-12-21 10:01:53,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:01:53,948 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2023-12-21 10:01:53,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:53,958 INFO L225 Difference]: With dead ends: 3114 [2023-12-21 10:01:53,958 INFO L226 Difference]: Without dead ends: 1997 [2023-12-21 10:01:53,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 10:01:53,962 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1278 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 1988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:53,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1296 Valid, 884 Invalid, 1988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 1543 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-21 10:01:53,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2023-12-21 10:01:54,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1858. [2023-12-21 10:01:54,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1858 states, 1484 states have (on average 1.6819407008086253) internal successors, (2496), 1492 states have internal predecessors, (2496), 348 states have call successors, (348), 21 states have call predecessors, (348), 25 states have return successors, (379), 346 states have call predecessors, (379), 347 states have call successors, (379) [2023-12-21 10:01:54,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 3223 transitions. [2023-12-21 10:01:54,021 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 3223 transitions. Word has length 112 [2023-12-21 10:01:54,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:54,021 INFO L495 AbstractCegarLoop]: Abstraction has 1858 states and 3223 transitions. [2023-12-21 10:01:54,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:54,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 3223 transitions. [2023-12-21 10:01:54,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-21 10:01:54,028 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:54,028 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:54,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-21 10:01:54,028 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:54,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:54,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1795424141, now seen corresponding path program 1 times [2023-12-21 10:01:54,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:54,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106207407] [2023-12-21 10:01:54,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:54,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:54,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:54,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:54,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:54,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:01:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:54,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:01:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:54,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:01:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:54,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 10:01:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:54,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 10:01:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:54,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 10:01:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:54,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-21 10:01:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-21 10:01:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:54,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 10:01:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:01:54,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:54,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106207407] [2023-12-21 10:01:54,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106207407] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:54,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:01:54,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:01:54,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095987219] [2023-12-21 10:01:54,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:54,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:01:54,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:54,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:01:54,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:01:54,113 INFO L87 Difference]: Start difference. First operand 1858 states and 3223 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:55,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:55,544 INFO L93 Difference]: Finished difference Result 4594 states and 8110 transitions. [2023-12-21 10:01:55,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:01:55,545 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2023-12-21 10:01:55,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:55,558 INFO L225 Difference]: With dead ends: 4594 [2023-12-21 10:01:55,559 INFO L226 Difference]: Without dead ends: 2966 [2023-12-21 10:01:55,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 10:01:55,564 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1277 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1295 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:55,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1295 Valid, 878 Invalid, 1974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-21 10:01:55,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2966 states. [2023-12-21 10:01:55,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2966 to 2827. [2023-12-21 10:01:55,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2827 states, 2291 states have (on average 1.6865997381056308) internal successors, (3864), 2299 states have internal predecessors, (3864), 510 states have call successors, (510), 21 states have call predecessors, (510), 25 states have return successors, (557), 508 states have call predecessors, (557), 509 states have call successors, (557) [2023-12-21 10:01:55,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 4931 transitions. [2023-12-21 10:01:55,654 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 4931 transitions. Word has length 113 [2023-12-21 10:01:55,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:55,655 INFO L495 AbstractCegarLoop]: Abstraction has 2827 states and 4931 transitions. [2023-12-21 10:01:55,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:55,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 4931 transitions. [2023-12-21 10:01:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-21 10:01:55,663 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:55,664 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:55,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-21 10:01:55,664 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:55,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:55,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1778332498, now seen corresponding path program 1 times [2023-12-21 10:01:55,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:55,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834613623] [2023-12-21 10:01:55,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:55,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:55,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:55,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:01:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:55,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:01:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:01:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:55,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 10:01:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 10:01:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:55,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 10:01:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-21 10:01:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:55,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 10:01:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:55,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-21 10:01:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:55,738 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:01:55,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:55,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834613623] [2023-12-21 10:01:55,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834613623] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:55,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:01:55,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:01:55,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595234004] [2023-12-21 10:01:55,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:55,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:01:55,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:55,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:01:55,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:01:55,739 INFO L87 Difference]: Start difference. First operand 2827 states and 4931 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:57,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:57,180 INFO L93 Difference]: Finished difference Result 6934 states and 12315 transitions. [2023-12-21 10:01:57,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:01:57,180 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2023-12-21 10:01:57,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:57,199 INFO L225 Difference]: With dead ends: 6934 [2023-12-21 10:01:57,199 INFO L226 Difference]: Without dead ends: 4534 [2023-12-21 10:01:57,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 10:01:57,207 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 1275 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1294 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 1972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 1532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:57,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1294 Valid, 877 Invalid, 1972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 1532 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-21 10:01:57,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4534 states. [2023-12-21 10:01:57,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4534 to 4395. [2023-12-21 10:01:57,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4395 states, 3614 states have (on average 1.6900940785832872) internal successors, (6108), 3622 states have internal predecessors, (6108), 755 states have call successors, (755), 21 states have call predecessors, (755), 25 states have return successors, (828), 753 states have call predecessors, (828), 754 states have call successors, (828) [2023-12-21 10:01:57,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4395 states to 4395 states and 7691 transitions. [2023-12-21 10:01:57,366 INFO L78 Accepts]: Start accepts. Automaton has 4395 states and 7691 transitions. Word has length 114 [2023-12-21 10:01:57,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:57,366 INFO L495 AbstractCegarLoop]: Abstraction has 4395 states and 7691 transitions. [2023-12-21 10:01:57,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 4395 states and 7691 transitions. [2023-12-21 10:01:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-21 10:01:57,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:57,377 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:57,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-21 10:01:57,377 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:57,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:57,378 INFO L85 PathProgramCache]: Analyzing trace with hash -315375671, now seen corresponding path program 1 times [2023-12-21 10:01:57,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:57,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195329987] [2023-12-21 10:01:57,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:57,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:57,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:57,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:57,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:57,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:01:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:57,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:01:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:01:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:57,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 10:01:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:57,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 10:01:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-21 10:01:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:57,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-21 10:01:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:57,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-21 10:01:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:57,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 10:01:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:01:57,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:57,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195329987] [2023-12-21 10:01:57,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195329987] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:57,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:01:57,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:01:57,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378190543] [2023-12-21 10:01:57,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:57,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:01:57,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:57,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:01:57,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:01:57,450 INFO L87 Difference]: Start difference. First operand 4395 states and 7691 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:58,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:01:58,923 INFO L93 Difference]: Finished difference Result 10887 states and 19382 transitions. [2023-12-21 10:01:58,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:01:58,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2023-12-21 10:01:58,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:01:58,952 INFO L225 Difference]: With dead ends: 10887 [2023-12-21 10:01:58,953 INFO L226 Difference]: Without dead ends: 7206 [2023-12-21 10:01:58,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 10:01:58,962 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 1274 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 1986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 464 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-21 10:01:58,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 909 Invalid, 1986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [464 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-21 10:01:58,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7206 states. [2023-12-21 10:01:59,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7206 to 7067. [2023-12-21 10:01:59,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7067 states, 5793 states have (on average 1.683411013291904) internal successors, (9752), 5801 states have internal predecessors, (9752), 1248 states have call successors, (1248), 21 states have call predecessors, (1248), 25 states have return successors, (1365), 1246 states have call predecessors, (1365), 1247 states have call successors, (1365) [2023-12-21 10:01:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7067 states to 7067 states and 12365 transitions. [2023-12-21 10:01:59,174 INFO L78 Accepts]: Start accepts. Automaton has 7067 states and 12365 transitions. Word has length 115 [2023-12-21 10:01:59,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:01:59,174 INFO L495 AbstractCegarLoop]: Abstraction has 7067 states and 12365 transitions. [2023-12-21 10:01:59,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:01:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 7067 states and 12365 transitions. [2023-12-21 10:01:59,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-21 10:01:59,190 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:01:59,190 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:01:59,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-21 10:01:59,190 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:01:59,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:01:59,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1496899470, now seen corresponding path program 1 times [2023-12-21 10:01:59,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:01:59,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211092150] [2023-12-21 10:01:59,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:01:59,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:01:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:59,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:01:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:59,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:01:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:59,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:01:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:01:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:59,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:01:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:59,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:01:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:59,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 10:01:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:59,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 10:01:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:59,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-21 10:01:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:59,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 10:01:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 10:01:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-21 10:01:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:01:59,260 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:01:59,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:01:59,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211092150] [2023-12-21 10:01:59,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211092150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:01:59,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:01:59,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:01:59,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763084120] [2023-12-21 10:01:59,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:01:59,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:01:59,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:01:59,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:01:59,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:01:59,262 INFO L87 Difference]: Start difference. First operand 7067 states and 12365 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:02:00,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:02:00,704 INFO L93 Difference]: Finished difference Result 18022 states and 32066 transitions. [2023-12-21 10:02:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:02:00,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2023-12-21 10:02:00,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:02:00,744 INFO L225 Difference]: With dead ends: 18022 [2023-12-21 10:02:00,744 INFO L226 Difference]: Without dead ends: 12035 [2023-12-21 10:02:00,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 10:02:00,765 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1272 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 471 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 1978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 471 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:02:00,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1290 Valid, 880 Invalid, 1978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [471 Valid, 1507 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-21 10:02:00,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12035 states. [2023-12-21 10:02:01,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12035 to 11896. [2023-12-21 10:02:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11896 states, 9800 states have (on average 1.6828571428571428) internal successors, (16492), 9808 states have internal predecessors, (16492), 2070 states have call successors, (2070), 21 states have call predecessors, (2070), 25 states have return successors, (2265), 2068 states have call predecessors, (2265), 2069 states have call successors, (2265) [2023-12-21 10:02:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11896 states to 11896 states and 20827 transitions. [2023-12-21 10:02:01,155 INFO L78 Accepts]: Start accepts. Automaton has 11896 states and 20827 transitions. Word has length 116 [2023-12-21 10:02:01,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:02:01,155 INFO L495 AbstractCegarLoop]: Abstraction has 11896 states and 20827 transitions. [2023-12-21 10:02:01,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:02:01,155 INFO L276 IsEmpty]: Start isEmpty. Operand 11896 states and 20827 transitions. [2023-12-21 10:02:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-21 10:02:01,176 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:02:01,176 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:02:01,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-21 10:02:01,177 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:02:01,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:02:01,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1774491849, now seen corresponding path program 1 times [2023-12-21 10:02:01,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:02:01,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699413332] [2023-12-21 10:02:01,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:02:01,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:02:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:01,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:02:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:02:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:01,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:02:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:01,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:02:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:01,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:02:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:01,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:02:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:01,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 10:02:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 10:02:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:01,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 10:02:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:01,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 10:02:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:01,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-21 10:02:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-21 10:02:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:02:01,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:02:01,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699413332] [2023-12-21 10:02:01,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699413332] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:02:01,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:02:01,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:02:01,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116943844] [2023-12-21 10:02:01,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:02:01,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:02:01,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:02:01,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:02:01,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:02:01,321 INFO L87 Difference]: Start difference. First operand 11896 states and 20827 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:02:02,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:02:02,805 INFO L93 Difference]: Finished difference Result 28568 states and 50619 transitions. [2023-12-21 10:02:02,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:02:02,805 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2023-12-21 10:02:02,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:02:02,861 INFO L225 Difference]: With dead ends: 28568 [2023-12-21 10:02:02,861 INFO L226 Difference]: Without dead ends: 18707 [2023-12-21 10:02:02,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 10:02:02,884 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 1269 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1288 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 1955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:02:02,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1288 Valid, 852 Invalid, 1955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-21 10:02:02,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18707 states. [2023-12-21 10:02:03,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18707 to 18568. [2023-12-21 10:02:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18568 states, 15269 states have (on average 1.6604230794420067) internal successors, (25353), 15277 states have internal predecessors, (25353), 3273 states have call successors, (3273), 21 states have call predecessors, (3273), 25 states have return successors, (3612), 3271 states have call predecessors, (3612), 3272 states have call successors, (3612) [2023-12-21 10:02:03,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18568 states to 18568 states and 32238 transitions. [2023-12-21 10:02:03,431 INFO L78 Accepts]: Start accepts. Automaton has 18568 states and 32238 transitions. Word has length 117 [2023-12-21 10:02:03,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:02:03,431 INFO L495 AbstractCegarLoop]: Abstraction has 18568 states and 32238 transitions. [2023-12-21 10:02:03,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:02:03,431 INFO L276 IsEmpty]: Start isEmpty. Operand 18568 states and 32238 transitions. [2023-12-21 10:02:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-21 10:02:03,452 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:02:03,452 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:02:03,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-21 10:02:03,452 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:02:03,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:02:03,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1226879949, now seen corresponding path program 1 times [2023-12-21 10:02:03,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:02:03,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941804477] [2023-12-21 10:02:03,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:02:03,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:02:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:02:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:03,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:02:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:03,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:02:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:02:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:02:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:02:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 10:02:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:03,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 10:02:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-21 10:02:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 10:02:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-21 10:02:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-21 10:02:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:02:03,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:02:03,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941804477] [2023-12-21 10:02:03,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941804477] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:02:03,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:02:03,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:02:03,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551317093] [2023-12-21 10:02:03,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:02:03,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:02:03,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:02:03,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:02:03,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:02:03,531 INFO L87 Difference]: Start difference. First operand 18568 states and 32238 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:02:05,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:02:05,362 INFO L93 Difference]: Finished difference Result 49201 states and 86940 transitions. [2023-12-21 10:02:05,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:02:05,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2023-12-21 10:02:05,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:02:05,459 INFO L225 Difference]: With dead ends: 49201 [2023-12-21 10:02:05,460 INFO L226 Difference]: Without dead ends: 33288 [2023-12-21 10:02:05,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 10:02:05,498 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 1267 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1285 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:02:05,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1285 Valid, 878 Invalid, 1967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-21 10:02:05,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33288 states. [2023-12-21 10:02:06,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33288 to 33149. [2023-12-21 10:02:06,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33149 states, 27400 states have (on average 1.6575182481751825) internal successors, (45416), 27408 states have internal predecessors, (45416), 5723 states have call successors, (5723), 21 states have call predecessors, (5723), 25 states have return successors, (6336), 5721 states have call predecessors, (6336), 5722 states have call successors, (6336) [2023-12-21 10:02:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33149 states to 33149 states and 57475 transitions. [2023-12-21 10:02:06,709 INFO L78 Accepts]: Start accepts. Automaton has 33149 states and 57475 transitions. Word has length 118 [2023-12-21 10:02:06,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:02:06,710 INFO L495 AbstractCegarLoop]: Abstraction has 33149 states and 57475 transitions. [2023-12-21 10:02:06,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:02:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 33149 states and 57475 transitions. [2023-12-21 10:02:06,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-21 10:02:06,732 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:02:06,732 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:02:06,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-21 10:02:06,732 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:02:06,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:02:06,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1204255023, now seen corresponding path program 1 times [2023-12-21 10:02:06,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:02:06,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588187964] [2023-12-21 10:02:06,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:02:06,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:02:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:06,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:02:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:06,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:02:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:06,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:02:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:06,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:02:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:06,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:02:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:06,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:02:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 10:02:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:06,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 10:02:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:06,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 10:02:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-21 10:02:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:06,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-21 10:02:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:06,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-21 10:02:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:02:06,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:02:06,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588187964] [2023-12-21 10:02:06,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588187964] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:02:06,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:02:06,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:02:06,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989858499] [2023-12-21 10:02:06,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:02:06,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:02:06,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:02:06,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:02:06,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:02:06,812 INFO L87 Difference]: Start difference. First operand 33149 states and 57475 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:02:09,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:02:09,257 INFO L93 Difference]: Finished difference Result 90503 states and 159164 transitions. [2023-12-21 10:02:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:02:09,258 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2023-12-21 10:02:09,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:02:09,472 INFO L225 Difference]: With dead ends: 90503 [2023-12-21 10:02:09,472 INFO L226 Difference]: Without dead ends: 60900 [2023-12-21 10:02:09,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 10:02:09,546 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1265 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 1985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 464 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:02:09,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1283 Valid, 885 Invalid, 1985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [464 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-21 10:02:09,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60900 states. [2023-12-21 10:02:11,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60900 to 60761. [2023-12-21 10:02:11,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60761 states, 50499 states have (on average 1.653735717538961) internal successors, (83512), 50507 states have internal predecessors, (83512), 10236 states have call successors, (10236), 21 states have call predecessors, (10236), 25 states have return successors, (11381), 10234 states have call predecessors, (11381), 10235 states have call successors, (11381) [2023-12-21 10:02:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60761 states to 60761 states and 105129 transitions. [2023-12-21 10:02:11,754 INFO L78 Accepts]: Start accepts. Automaton has 60761 states and 105129 transitions. Word has length 119 [2023-12-21 10:02:11,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:02:11,755 INFO L495 AbstractCegarLoop]: Abstraction has 60761 states and 105129 transitions. [2023-12-21 10:02:11,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:02:11,755 INFO L276 IsEmpty]: Start isEmpty. Operand 60761 states and 105129 transitions. [2023-12-21 10:02:11,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-21 10:02:11,780 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:02:11,781 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:02:11,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-21 10:02:11,781 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:02:11,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:02:11,782 INFO L85 PathProgramCache]: Analyzing trace with hash -431079853, now seen corresponding path program 1 times [2023-12-21 10:02:11,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:02:11,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629778822] [2023-12-21 10:02:11,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:02:11,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:02:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:02:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:11,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:02:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:11,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:02:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:11,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:02:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:11,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:02:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:02:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:11,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 10:02:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 10:02:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:11,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 10:02:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-21 10:02:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:11,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 10:02:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:11,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-21 10:02:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:02:11,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:02:11,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629778822] [2023-12-21 10:02:11,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629778822] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:02:11,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:02:11,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 10:02:11,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187600666] [2023-12-21 10:02:11,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:02:11,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 10:02:11,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:02:11,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 10:02:11,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:02:11,855 INFO L87 Difference]: Start difference. First operand 60761 states and 105129 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:02:15,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:02:15,300 INFO L93 Difference]: Finished difference Result 113855 states and 200774 transitions. [2023-12-21 10:02:15,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 10:02:15,300 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2023-12-21 10:02:15,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:02:15,865 INFO L225 Difference]: With dead ends: 113855 [2023-12-21 10:02:15,865 INFO L226 Difference]: Without dead ends: 113694 [2023-12-21 10:02:15,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 10:02:15,913 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 1265 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 457 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 1952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 457 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-21 10:02:15,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1284 Valid, 877 Invalid, 1952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [457 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-21 10:02:15,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113694 states. [2023-12-21 10:02:19,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113694 to 113555. [2023-12-21 10:02:19,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113555 states, 94925 states have (on average 1.6489228338161706) internal successors, (156524), 94933 states have internal predecessors, (156524), 18604 states have call successors, (18604), 21 states have call predecessors, (18604), 25 states have return successors, (20795), 18602 states have call predecessors, (20795), 18603 states have call successors, (20795) [2023-12-21 10:02:20,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113555 states to 113555 states and 195923 transitions. [2023-12-21 10:02:20,201 INFO L78 Accepts]: Start accepts. Automaton has 113555 states and 195923 transitions. Word has length 120 [2023-12-21 10:02:20,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:02:20,201 INFO L495 AbstractCegarLoop]: Abstraction has 113555 states and 195923 transitions. [2023-12-21 10:02:20,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 10:02:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 113555 states and 195923 transitions. [2023-12-21 10:02:20,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-21 10:02:20,229 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:02:20,229 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:02:20,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-21 10:02:20,230 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:02:20,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:02:20,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1530978192, now seen corresponding path program 1 times [2023-12-21 10:02:20,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:02:20,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766398459] [2023-12-21 10:02:20,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:02:20,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:02:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:20,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:02:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:20,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:02:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:20,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:02:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:02:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:20,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:02:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:20,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:02:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:20,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 10:02:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 10:02:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 10:02:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:20,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:02:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:20,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-21 10:02:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:20,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 10:02:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:20,742 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:02:20,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:02:20,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766398459] [2023-12-21 10:02:20,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766398459] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:02:20,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:02:20,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-21 10:02:20,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884916710] [2023-12-21 10:02:20,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:02:20,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-21 10:02:20,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:02:20,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-21 10:02:20,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-12-21 10:02:20,744 INFO L87 Difference]: Start difference. First operand 113555 states and 195923 transitions. Second operand has 16 states, 15 states have (on average 5.4) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2023-12-21 10:02:29,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:02:29,788 INFO L93 Difference]: Finished difference Result 226604 states and 403020 transitions. [2023-12-21 10:02:29,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-21 10:02:29,790 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 121 [2023-12-21 10:02:29,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:02:31,020 INFO L225 Difference]: With dead ends: 226604 [2023-12-21 10:02:31,021 INFO L226 Difference]: Without dead ends: 226448 [2023-12-21 10:02:31,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1084 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=698, Invalid=2842, Unknown=0, NotChecked=0, Total=3540 [2023-12-21 10:02:31,112 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 4410 mSDsluCounter, 2124 mSDsCounter, 0 mSdLazyCounter, 6427 mSolverCounterSat, 1588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4424 SdHoareTripleChecker+Valid, 2368 SdHoareTripleChecker+Invalid, 8015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1588 IncrementalHoareTripleChecker+Valid, 6427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-21 10:02:31,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4424 Valid, 2368 Invalid, 8015 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1588 Valid, 6427 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-21 10:02:31,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226448 states. [2023-12-21 10:02:38,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226448 to 226057. [2023-12-21 10:02:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226057 states, 189028 states have (on average 1.649565143788222) internal successors, (311814), 188934 states have internal predecessors, (311814), 36965 states have call successors, (36965), 54 states have call predecessors, (36965), 63 states have return successors, (44639), 37074 states have call predecessors, (44639), 36962 states have call successors, (44639) [2023-12-21 10:02:39,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226057 states to 226057 states and 393418 transitions. [2023-12-21 10:02:39,195 INFO L78 Accepts]: Start accepts. Automaton has 226057 states and 393418 transitions. Word has length 121 [2023-12-21 10:02:39,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:02:39,195 INFO L495 AbstractCegarLoop]: Abstraction has 226057 states and 393418 transitions. [2023-12-21 10:02:39,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2023-12-21 10:02:39,195 INFO L276 IsEmpty]: Start isEmpty. Operand 226057 states and 393418 transitions. [2023-12-21 10:02:39,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-21 10:02:39,254 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:02:39,254 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:02:39,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-21 10:02:39,255 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:02:39,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:02:39,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1685205915, now seen corresponding path program 1 times [2023-12-21 10:02:39,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:02:39,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274092683] [2023-12-21 10:02:39,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:02:39,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:02:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:02:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:39,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:02:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:02:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:02:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:02:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:39,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:02:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 10:02:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 10:02:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 10:02:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:02:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 10:02:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-21 10:02:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:02:39,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:02:39,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274092683] [2023-12-21 10:02:39,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274092683] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:02:39,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:02:39,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-21 10:02:39,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321848032] [2023-12-21 10:02:39,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:02:39,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-21 10:02:39,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:02:39,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-21 10:02:39,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2023-12-21 10:02:39,441 INFO L87 Difference]: Start difference. First operand 226057 states and 393418 transitions. Second operand has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (15), 8 states have call predecessors, (15), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2023-12-21 10:02:48,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:02:48,128 INFO L93 Difference]: Finished difference Result 227499 states and 402394 transitions. [2023-12-21 10:02:48,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-21 10:02:48,128 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (15), 8 states have call predecessors, (15), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 122 [2023-12-21 10:02:48,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:02:49,156 INFO L225 Difference]: With dead ends: 227499 [2023-12-21 10:02:49,156 INFO L226 Difference]: Without dead ends: 226982 [2023-12-21 10:02:49,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=293, Invalid=1039, Unknown=0, NotChecked=0, Total=1332 [2023-12-21 10:02:49,240 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 2498 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 4437 mSolverCounterSat, 976 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 1738 SdHoareTripleChecker+Invalid, 5413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 976 IncrementalHoareTripleChecker+Valid, 4437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-21 10:02:49,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2517 Valid, 1738 Invalid, 5413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [976 Valid, 4437 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-21 10:02:49,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226982 states. [2023-12-21 10:02:56,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226982 to 226328. [2023-12-21 10:02:57,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226328 states, 189216 states have (on average 1.649358405208862) internal successors, (312085), 189130 states have internal predecessors, (312085), 37044 states have call successors, (37044), 60 states have call predecessors, (37044), 67 states have return successors, (44727), 37149 states have call predecessors, (44727), 37035 states have call successors, (44727) [2023-12-21 10:02:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226328 states to 226328 states and 393856 transitions. [2023-12-21 10:02:58,192 INFO L78 Accepts]: Start accepts. Automaton has 226328 states and 393856 transitions. Word has length 122 [2023-12-21 10:02:58,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:02:58,193 INFO L495 AbstractCegarLoop]: Abstraction has 226328 states and 393856 transitions. [2023-12-21 10:02:58,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (15), 8 states have call predecessors, (15), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2023-12-21 10:02:58,193 INFO L276 IsEmpty]: Start isEmpty. Operand 226328 states and 393856 transitions. [2023-12-21 10:02:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-21 10:02:58,251 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:02:58,251 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 10:02:58,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-21 10:02:58,252 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:02:58,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:02:58,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1370464317, now seen corresponding path program 1 times [2023-12-21 10:02:58,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:02:58,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573180848] [2023-12-21 10:02:58,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:02:58,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:02:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:58,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:02:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:58,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:02:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:02:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:58,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:02:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:58,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:02:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:58,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 10:02:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:58,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 10:02:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 10:02:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:58,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 10:02:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:58,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 10:02:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:58,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 10:02:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:58,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-21 10:02:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:02:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 10:02:58,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:02:58,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573180848] [2023-12-21 10:02:58,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573180848] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:02:58,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:02:58,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-21 10:02:58,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897042221] [2023-12-21 10:02:58,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:02:58,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-21 10:02:58,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:02:58,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-21 10:02:58,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2023-12-21 10:02:58,744 INFO L87 Difference]: Start difference. First operand 226328 states and 393856 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 10 states have internal predecessors, (82), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12)