/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_spec1_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 05:33:09,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 05:33:09,471 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 05:33:09,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 05:33:09,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 05:33:09,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 05:33:09,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 05:33:09,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 05:33:09,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 05:33:09,505 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 05:33:09,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 05:33:09,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 05:33:09,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 05:33:09,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 05:33:09,507 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 05:33:09,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 05:33:09,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 05:33:09,508 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 05:33:09,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 05:33:09,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 05:33:09,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 05:33:09,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 05:33:09,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 05:33:09,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 05:33:09,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 05:33:09,510 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 05:33:09,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 05:33:09,510 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 05:33:09,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 05:33:09,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 05:33:09,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 05:33:09,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 05:33:09,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:33:09,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 05:33:09,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 05:33:09,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 05:33:09,513 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 05:33:09,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 05:33:09,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 05:33:09,513 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 05:33:09,513 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 05:33:09,513 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 05:33:09,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 05:33:09,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 05:33:09,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 05:33:09,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 05:33:09,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 05:33:09,775 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 05:33:09,776 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 05:33:09,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c [2023-12-16 05:33:10,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 05:33:11,182 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 05:33:11,183 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c [2023-12-16 05:33:11,206 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aaaaeeda/2149a1001d1a4815a38378811d64692a/FLAGb087908e7 [2023-12-16 05:33:11,219 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aaaaeeda/2149a1001d1a4815a38378811d64692a [2023-12-16 05:33:11,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 05:33:11,223 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 05:33:11,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 05:33:11,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 05:33:11,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 05:33:11,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:11,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c25775b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11, skipping insertion in model container [2023-12-16 05:33:11,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:11,280 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 05:33:11,758 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_spec1_product21.cil.c[63391,63404] [2023-12-16 05:33:11,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:33:11,785 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 05:33:11,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [48] [2023-12-16 05:33:11,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [90] [2023-12-16 05:33:11,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [501] [2023-12-16 05:33:11,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [730] [2023-12-16 05:33:11,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [836] [2023-12-16 05:33:11,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [853] [2023-12-16 05:33:11,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1219] [2023-12-16 05:33:11,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1257] [2023-12-16 05:33:11,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1577] [2023-12-16 05:33:11,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2649] [2023-12-16 05:33:11,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2937] [2023-12-16 05:33:11,849 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_spec1_product21.cil.c[63391,63404] [2023-12-16 05:33:11,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:33:11,871 INFO L206 MainTranslator]: Completed translation [2023-12-16 05:33:11,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11 WrapperNode [2023-12-16 05:33:11,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 05:33:11,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 05:33:11,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 05:33:11,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 05:33:11,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:11,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:11,946 INFO L138 Inliner]: procedures = 128, calls = 197, calls flagged for inlining = 57, calls inlined = 54, statements flattened = 1043 [2023-12-16 05:33:11,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 05:33:11,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 05:33:11,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 05:33:11,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 05:33:11,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:11,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:11,961 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:11,979 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]. [2023-12-16 05:33:11,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:11,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:11,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:11,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:12,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:12,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:12,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 05:33:12,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 05:33:12,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 05:33:12,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 05:33:12,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11" (1/1) ... [2023-12-16 05:33:12,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:33:12,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:33:12,074 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) [2023-12-16 05:33:12,085 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 [2023-12-16 05:33:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-16 05:33:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-16 05:33:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-16 05:33:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-16 05:33:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-16 05:33:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-16 05:33:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-16 05:33:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-16 05:33:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-16 05:33:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-16 05:33:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-16 05:33:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-16 05:33:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-16 05:33:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-16 05:33:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-16 05:33:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-16 05:33:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-16 05:33:12,106 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-16 05:33:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-16 05:33:12,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-16 05:33:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 05:33:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-16 05:33:12,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-16 05:33:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-16 05:33:12,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-16 05:33:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-16 05:33:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-16 05:33:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-16 05:33:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-16 05:33:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-12-16 05:33:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-12-16 05:33:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-16 05:33:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-16 05:33:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-16 05:33:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-16 05:33:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-16 05:33:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-16 05:33:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-16 05:33:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-16 05:33:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 05:33:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 05:33:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-16 05:33:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-16 05:33:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-16 05:33:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-16 05:33:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-16 05:33:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-16 05:33:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 05:33:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 05:33:12,323 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 05:33:12,326 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 05:33:13,025 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 05:33:13,100 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 05:33:13,100 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 05:33:13,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:33:13 BoogieIcfgContainer [2023-12-16 05:33:13,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 05:33:13,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 05:33:13,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 05:33:13,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 05:33:13,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:33:11" (1/3) ... [2023-12-16 05:33:13,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168f3d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:33:13, skipping insertion in model container [2023-12-16 05:33:13,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:11" (2/3) ... [2023-12-16 05:33:13,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168f3d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:33:13, skipping insertion in model container [2023-12-16 05:33:13,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:33:13" (3/3) ... [2023-12-16 05:33:13,114 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product21.cil.c [2023-12-16 05:33:13,128 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 05:33:13,128 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 05:33:13,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 05:33:13,183 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;@50f6e496, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 05:33:13,183 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 05:33:13,189 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) [2023-12-16 05:33:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-16 05:33:13,211 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:13,212 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] [2023-12-16 05:33:13,212 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:13,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:13,218 INFO L85 PathProgramCache]: Analyzing trace with hash 2028758823, now seen corresponding path program 1 times [2023-12-16 05:33:13,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:13,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015110925] [2023-12-16 05:33:13,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:13,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:13,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:13,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:13,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:33:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:13,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:33:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:13,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:33:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-16 05:33:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-16 05:33:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:33:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:33:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:14,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:33:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:14,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:33:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 05:33:14,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:14,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015110925] [2023-12-16 05:33:14,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015110925] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:33:14,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061814613] [2023-12-16 05:33:14,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:14,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:33:14,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:33:14,058 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) [2023-12-16 05:33:14,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 05:33:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:14,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 05:33:14,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:33:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:33:14,403 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:33:14,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061814613] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:14,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:33:14,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-16 05:33:14,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318141870] [2023-12-16 05:33:14,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:14,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 05:33:14,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:14,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 05:33:14,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:33:14,437 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) [2023-12-16 05:33:14,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:14,546 INFO L93 Difference]: Finished difference Result 512 states and 801 transitions. [2023-12-16 05:33:14,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 05:33:14,550 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 [2023-12-16 05:33:14,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:14,560 INFO L225 Difference]: With dead ends: 512 [2023-12-16 05:33:14,560 INFO L226 Difference]: Without dead ends: 345 [2023-12-16 05:33:14,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:33:14,567 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:14,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 532 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:33:14,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-12-16 05:33:14,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2023-12-16 05:33:14,641 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) [2023-12-16 05:33:14,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 543 transitions. [2023-12-16 05:33:14,649 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 543 transitions. Word has length 92 [2023-12-16 05:33:14,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:14,650 INFO L495 AbstractCegarLoop]: Abstraction has 345 states and 543 transitions. [2023-12-16 05:33:14,651 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) [2023-12-16 05:33:14,651 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 543 transitions. [2023-12-16 05:33:14,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-16 05:33:14,654 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:14,654 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] [2023-12-16 05:33:14,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-16 05:33:14,875 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 [2023-12-16 05:33:14,875 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:14,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:14,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1570320015, now seen corresponding path program 1 times [2023-12-16 05:33:14,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:14,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39022299] [2023-12-16 05:33:14,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:14,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:33:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:33:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:33:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-16 05:33:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-16 05:33:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:33:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:33:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:33:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:33:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 05:33:15,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:15,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39022299] [2023-12-16 05:33:15,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39022299] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:33:15,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546756113] [2023-12-16 05:33:15,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:15,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:33:15,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:33:15,332 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) [2023-12-16 05:33:15,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 05:33:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:15,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 05:33:15,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:33:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:33:15,787 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:33:15,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546756113] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:15,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:33:15,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:33:15,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177641530] [2023-12-16 05:33:15,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:15,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:33:15,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:15,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:33:15,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:33:15,789 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) [2023-12-16 05:33:15,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:15,853 INFO L93 Difference]: Finished difference Result 508 states and 785 transitions. [2023-12-16 05:33:15,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:33:15,854 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 [2023-12-16 05:33:15,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:15,857 INFO L225 Difference]: With dead ends: 508 [2023-12-16 05:33:15,857 INFO L226 Difference]: Without dead ends: 347 [2023-12-16 05:33:15,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:33:15,859 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 0 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:15,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1057 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:33:15,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-12-16 05:33:15,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2023-12-16 05:33:15,906 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) [2023-12-16 05:33:15,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 545 transitions. [2023-12-16 05:33:15,908 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 545 transitions. Word has length 93 [2023-12-16 05:33:15,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:15,908 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 545 transitions. [2023-12-16 05:33:15,908 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) [2023-12-16 05:33:15,909 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 545 transitions. [2023-12-16 05:33:15,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-16 05:33:15,910 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:15,910 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] [2023-12-16 05:33:15,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-16 05:33:16,115 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 [2023-12-16 05:33:16,116 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:16,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:16,117 INFO L85 PathProgramCache]: Analyzing trace with hash -760199728, now seen corresponding path program 1 times [2023-12-16 05:33:16,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:16,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274533370] [2023-12-16 05:33:16,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:16,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:33:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:33:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:33:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-16 05:33:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-16 05:33:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:33:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:33:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:33:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:33:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 05:33:16,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:16,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274533370] [2023-12-16 05:33:16,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274533370] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:33:16,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211092627] [2023-12-16 05:33:16,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:16,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:33:16,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:33:16,294 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) [2023-12-16 05:33:16,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 05:33:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:16,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:33:16,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:33:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:33:16,534 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:33:16,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211092627] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:16,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:33:16,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:33:16,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343541323] [2023-12-16 05:33:16,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:16,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:33:16,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:16,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:33:16,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:33:16,537 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) [2023-12-16 05:33:16,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:16,598 INFO L93 Difference]: Finished difference Result 742 states and 1182 transitions. [2023-12-16 05:33:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:33:16,598 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 [2023-12-16 05:33:16,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:16,601 INFO L225 Difference]: With dead ends: 742 [2023-12-16 05:33:16,602 INFO L226 Difference]: Without dead ends: 417 [2023-12-16 05:33:16,603 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 [2023-12-16 05:33:16,605 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 129 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:16,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1030 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:33:16,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2023-12-16 05:33:16,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 412. [2023-12-16 05:33:16,639 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) [2023-12-16 05:33:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 660 transitions. [2023-12-16 05:33:16,641 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 660 transitions. Word has length 98 [2023-12-16 05:33:16,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:16,642 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 660 transitions. [2023-12-16 05:33:16,643 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) [2023-12-16 05:33:16,643 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 660 transitions. [2023-12-16 05:33:16,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-16 05:33:16,645 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:16,645 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] [2023-12-16 05:33:16,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-16 05:33:16,860 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 [2023-12-16 05:33:16,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:16,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:16,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1741639544, now seen corresponding path program 1 times [2023-12-16 05:33:16,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:16,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285779441] [2023-12-16 05:33:16,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:16,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:33:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:33:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:33:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-16 05:33:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-16 05:33:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:33:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:33:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:33:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:33:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,127 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 05:33:17,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:17,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285779441] [2023-12-16 05:33:17,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285779441] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:33:17,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929921535] [2023-12-16 05:33:17,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:17,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:33:17,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:33:17,146 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) [2023-12-16 05:33:17,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 05:33:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 05:33:17,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:33:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 05:33:17,433 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:33:17,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929921535] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:17,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:33:17,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-16 05:33:17,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015469741] [2023-12-16 05:33:17,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:17,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:33:17,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:17,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:33:17,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:33:17,435 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) [2023-12-16 05:33:17,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:17,521 INFO L93 Difference]: Finished difference Result 819 states and 1314 transitions. [2023-12-16 05:33:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:33:17,522 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 [2023-12-16 05:33:17,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:17,525 INFO L225 Difference]: With dead ends: 819 [2023-12-16 05:33:17,525 INFO L226 Difference]: Without dead ends: 414 [2023-12-16 05:33:17,527 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 [2023-12-16 05:33:17,528 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 8 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2069 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:17,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2069 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:33:17,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2023-12-16 05:33:17,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2023-12-16 05:33:17,538 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) [2023-12-16 05:33:17,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 663 transitions. [2023-12-16 05:33:17,540 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 663 transitions. Word has length 99 [2023-12-16 05:33:17,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:17,541 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 663 transitions. [2023-12-16 05:33:17,541 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) [2023-12-16 05:33:17,541 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 663 transitions. [2023-12-16 05:33:17,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-16 05:33:17,542 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:17,543 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] [2023-12-16 05:33:17,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-16 05:33:17,749 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 [2023-12-16 05:33:17,750 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:17,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:17,750 INFO L85 PathProgramCache]: Analyzing trace with hash -968766674, now seen corresponding path program 1 times [2023-12-16 05:33:17,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:17,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421565392] [2023-12-16 05:33:17,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:17,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-16 05:33:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-16 05:33:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 05:33:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:33:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:33:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:33:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:33:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:33:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-16 05:33:17,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:17,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421565392] [2023-12-16 05:33:17,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421565392] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:33:17,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335928176] [2023-12-16 05:33:17,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:17,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:33:17,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:33:17,921 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) [2023-12-16 05:33:17,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-16 05:33:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 05:33:18,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:33:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 05:33:18,208 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:33:18,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335928176] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:18,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:33:18,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-16 05:33:18,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444307687] [2023-12-16 05:33:18,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:18,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:33:18,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:18,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:33:18,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:33:18,210 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) [2023-12-16 05:33:18,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:18,320 INFO L93 Difference]: Finished difference Result 821 states and 1319 transitions. [2023-12-16 05:33:18,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:33:18,321 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 [2023-12-16 05:33:18,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:18,323 INFO L225 Difference]: With dead ends: 821 [2023-12-16 05:33:18,323 INFO L226 Difference]: Without dead ends: 416 [2023-12-16 05:33:18,324 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 [2023-12-16 05:33:18,325 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 8 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2055 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:18,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2055 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:33:18,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2023-12-16 05:33:18,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2023-12-16 05:33:18,334 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) [2023-12-16 05:33:18,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 669 transitions. [2023-12-16 05:33:18,336 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 669 transitions. Word has length 100 [2023-12-16 05:33:18,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:18,337 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 669 transitions. [2023-12-16 05:33:18,337 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) [2023-12-16 05:33:18,337 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 669 transitions. [2023-12-16 05:33:18,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-16 05:33:18,338 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:18,338 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] [2023-12-16 05:33:18,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-16 05:33:18,544 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 [2023-12-16 05:33:18,545 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:18,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:18,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1446124393, now seen corresponding path program 1 times [2023-12-16 05:33:18,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:18,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88758704] [2023-12-16 05:33:18,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:18,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-16 05:33:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-16 05:33:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:33:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:33:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:33:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:33:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:33:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 05:33:18,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:18,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88758704] [2023-12-16 05:33:18,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88758704] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:18,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:18,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:33:18,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896589776] [2023-12-16 05:33:18,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:18,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:33:18,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:18,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:33:18,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:33:18,709 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) [2023-12-16 05:33:20,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:20,743 INFO L93 Difference]: Finished difference Result 947 states and 1552 transitions. [2023-12-16 05:33:20,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:33:20,743 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 [2023-12-16 05:33:20,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:20,747 INFO L225 Difference]: With dead ends: 947 [2023-12-16 05:33:20,747 INFO L226 Difference]: Without dead ends: 550 [2023-12-16 05:33:20,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:33:20,749 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1166 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2658 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 3052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 394 IncrementalHoareTripleChecker+Valid, 2658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:20,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 1192 Invalid, 3052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [394 Valid, 2658 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 05:33:20,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2023-12-16 05:33:20,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 416. [2023-12-16 05:33:20,776 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) [2023-12-16 05:33:20,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 668 transitions. [2023-12-16 05:33:20,779 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 668 transitions. Word has length 101 [2023-12-16 05:33:20,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:20,779 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 668 transitions. [2023-12-16 05:33:20,779 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) [2023-12-16 05:33:20,779 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 668 transitions. [2023-12-16 05:33:20,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-16 05:33:20,781 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:20,781 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] [2023-12-16 05:33:20,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 05:33:20,781 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:20,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:20,781 INFO L85 PathProgramCache]: Analyzing trace with hash 485915325, now seen corresponding path program 2 times [2023-12-16 05:33:20,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:20,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102814092] [2023-12-16 05:33:20,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:20,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:20,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:20,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:20,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:20,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:20,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-16 05:33:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:20,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 05:33:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:21,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 05:33:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:21,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:33:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:33:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:21,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:33:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-16 05:33:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:21,031 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 05:33:21,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:21,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102814092] [2023-12-16 05:33:21,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102814092] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:21,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:21,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:33:21,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365773642] [2023-12-16 05:33:21,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:21,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:33:21,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:21,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:33:21,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:33:21,034 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) [2023-12-16 05:33:22,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:22,753 INFO L93 Difference]: Finished difference Result 949 states and 1555 transitions. [2023-12-16 05:33:22,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:33:22,753 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 [2023-12-16 05:33:22,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:22,758 INFO L225 Difference]: With dead ends: 949 [2023-12-16 05:33:22,758 INFO L226 Difference]: Without dead ends: 552 [2023-12-16 05:33:22,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:33:22,761 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1161 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2666 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 3058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 2666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:22,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 1193 Invalid, 3058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 2666 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 05:33:22,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2023-12-16 05:33:22,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 418. [2023-12-16 05:33:22,791 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) [2023-12-16 05:33:22,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 671 transitions. [2023-12-16 05:33:22,795 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 671 transitions. Word has length 102 [2023-12-16 05:33:22,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:22,795 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 671 transitions. [2023-12-16 05:33:22,795 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) [2023-12-16 05:33:22,795 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 671 transitions. [2023-12-16 05:33:22,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-16 05:33:22,827 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:22,827 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] [2023-12-16 05:33:22,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 05:33:22,827 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:22,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:22,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1634171346, now seen corresponding path program 1 times [2023-12-16 05:33:22,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:22,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651529279] [2023-12-16 05:33:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:22,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:22,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:22,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:22,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:22,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:22,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:23,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-16 05:33:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:23,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-16 05:33:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:23,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:33:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:23,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:33:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:33:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:23,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:33:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:23,029 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-16 05:33:23,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:23,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651529279] [2023-12-16 05:33:23,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651529279] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:23,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:23,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:33:23,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207425839] [2023-12-16 05:33:23,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:23,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:33:23,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:23,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:33:23,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:33:23,031 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) [2023-12-16 05:33:25,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:25,470 INFO L93 Difference]: Finished difference Result 947 states and 1550 transitions. [2023-12-16 05:33:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:33:25,470 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 [2023-12-16 05:33:25,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:25,473 INFO L225 Difference]: With dead ends: 947 [2023-12-16 05:33:25,473 INFO L226 Difference]: Without dead ends: 552 [2023-12-16 05:33:25,475 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 [2023-12-16 05:33:25,475 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 1168 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4490 mSolverCounterSat, 383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 4873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 4490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:25,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1169 Valid, 1653 Invalid, 4873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [383 Valid, 4490 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-16 05:33:25,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2023-12-16 05:33:25,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 418. [2023-12-16 05:33:25,499 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) [2023-12-16 05:33:25,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 670 transitions. [2023-12-16 05:33:25,501 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 670 transitions. Word has length 103 [2023-12-16 05:33:25,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:25,501 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 670 transitions. [2023-12-16 05:33:25,502 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) [2023-12-16 05:33:25,525 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 670 transitions. [2023-12-16 05:33:25,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 05:33:25,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:25,527 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] [2023-12-16 05:33:25,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 05:33:25,527 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:25,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:25,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1638725893, now seen corresponding path program 2 times [2023-12-16 05:33:25,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:25,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798309313] [2023-12-16 05:33:25,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:25,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:25,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:25,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:25,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:25,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:25,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:25,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-16 05:33:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-16 05:33:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:33:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:25,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:33:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:25,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:33:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:25,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:33:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-16 05:33:25,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:25,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798309313] [2023-12-16 05:33:25,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798309313] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:25,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:25,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:33:25,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410034727] [2023-12-16 05:33:25,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:25,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:33:25,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:25,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:33:25,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:33:25,720 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) [2023-12-16 05:33:28,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:28,267 INFO L93 Difference]: Finished difference Result 949 states and 1556 transitions. [2023-12-16 05:33:28,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:33:28,268 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 [2023-12-16 05:33:28,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:28,270 INFO L225 Difference]: With dead ends: 949 [2023-12-16 05:33:28,270 INFO L226 Difference]: Without dead ends: 554 [2023-12-16 05:33:28,271 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 [2023-12-16 05:33:28,273 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 1167 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4437 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 4832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 4437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:28,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 1651 Invalid, 4832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 4437 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-16 05:33:28,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2023-12-16 05:33:28,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 420. [2023-12-16 05:33:28,289 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) [2023-12-16 05:33:28,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 676 transitions. [2023-12-16 05:33:28,291 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 676 transitions. Word has length 104 [2023-12-16 05:33:28,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:28,291 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 676 transitions. [2023-12-16 05:33:28,291 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) [2023-12-16 05:33:28,291 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 676 transitions. [2023-12-16 05:33:28,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-16 05:33:28,293 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:28,293 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] [2023-12-16 05:33:28,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 05:33:28,293 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:28,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:28,294 INFO L85 PathProgramCache]: Analyzing trace with hash -2048640749, now seen corresponding path program 1 times [2023-12-16 05:33:28,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:28,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579403183] [2023-12-16 05:33:28,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:28,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:33:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-16 05:33:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:33:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:33:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:33:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:33:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:33:28,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:28,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579403183] [2023-12-16 05:33:28,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579403183] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:33:28,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13349422] [2023-12-16 05:33:28,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:28,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:33:28,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:33:28,421 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) [2023-12-16 05:33:28,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-16 05:33:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:28,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:33:28,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:33:28,684 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:33:28,684 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 05:33:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:33:28,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13349422] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 05:33:28,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 05:33:28,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-12-16 05:33:28,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968881794] [2023-12-16 05:33:28,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 05:33:28,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 05:33:28,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:28,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 05:33:28,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-16 05:33:28,756 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) [2023-12-16 05:33:30,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:30,306 INFO L93 Difference]: Finished difference Result 1135 states and 1933 transitions. [2023-12-16 05:33:30,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 05:33:30,307 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 [2023-12-16 05:33:30,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:30,311 INFO L225 Difference]: With dead ends: 1135 [2023-12-16 05:33:30,311 INFO L226 Difference]: Without dead ends: 974 [2023-12-16 05:33:30,312 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 [2023-12-16 05:33:30,313 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 1589 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 2264 mSolverCounterSat, 547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1646 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 2811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 2264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:30,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1646 Valid, 1494 Invalid, 2811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 2264 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:33:30,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2023-12-16 05:33:30,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 825. [2023-12-16 05:33:30,345 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) [2023-12-16 05:33:30,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1404 transitions. [2023-12-16 05:33:30,349 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1404 transitions. Word has length 105 [2023-12-16 05:33:30,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:30,349 INFO L495 AbstractCegarLoop]: Abstraction has 825 states and 1404 transitions. [2023-12-16 05:33:30,350 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) [2023-12-16 05:33:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1404 transitions. [2023-12-16 05:33:30,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 05:33:30,353 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:30,353 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] [2023-12-16 05:33:30,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-16 05:33:30,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:33:30,561 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:30,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:30,562 INFO L85 PathProgramCache]: Analyzing trace with hash 2029943376, now seen corresponding path program 1 times [2023-12-16 05:33:30,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:30,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652367746] [2023-12-16 05:33:30,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:30,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:30,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:30,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:33:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:33:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:30,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:33:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:30,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:33:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:33:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:30,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:33:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:33:30,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:30,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652367746] [2023-12-16 05:33:30,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652367746] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:30,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:30,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:30,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514623839] [2023-12-16 05:33:30,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:30,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:30,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:30,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:30,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:30,639 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) [2023-12-16 05:33:32,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:32,138 INFO L93 Difference]: Finished difference Result 2131 states and 3712 transitions. [2023-12-16 05:33:32,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:32,139 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 [2023-12-16 05:33:32,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:32,146 INFO L225 Difference]: With dead ends: 2131 [2023-12-16 05:33:32,146 INFO L226 Difference]: Without dead ends: 1366 [2023-12-16 05:33:32,148 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 [2023-12-16 05:33:32,148 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 1283 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 465 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 1991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 465 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:32,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 919 Invalid, 1991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [465 Valid, 1526 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 05:33:32,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2023-12-16 05:33:32,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1227. [2023-12-16 05:33:32,189 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) [2023-12-16 05:33:32,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 2119 transitions. [2023-12-16 05:33:32,194 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 2119 transitions. Word has length 111 [2023-12-16 05:33:32,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:32,194 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 2119 transitions. [2023-12-16 05:33:32,194 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) [2023-12-16 05:33:32,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 2119 transitions. [2023-12-16 05:33:32,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-16 05:33:32,198 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:32,199 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] [2023-12-16 05:33:32,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 05:33:32,199 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:32,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:32,199 INFO L85 PathProgramCache]: Analyzing trace with hash 638092053, now seen corresponding path program 1 times [2023-12-16 05:33:32,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:32,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287003585] [2023-12-16 05:33:32,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:32,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:32,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:32,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:32,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:32,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:32,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:32,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:32,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:33:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:33:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:32,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:33:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:32,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:33:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:32,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:33:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:32,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:33:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:32,276 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:33:32,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:32,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287003585] [2023-12-16 05:33:32,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287003585] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:32,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:32,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:32,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679009159] [2023-12-16 05:33:32,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:32,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:32,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:32,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:32,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:32,278 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) [2023-12-16 05:33:33,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:33,651 INFO L93 Difference]: Finished difference Result 3114 states and 5459 transitions. [2023-12-16 05:33:33,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:33,651 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 [2023-12-16 05:33:33,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:33,660 INFO L225 Difference]: With dead ends: 3114 [2023-12-16 05:33:33,660 INFO L226 Difference]: Without dead ends: 1997 [2023-12-16 05:33:33,663 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 [2023-12-16 05:33:33,664 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1280 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 454 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:33,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 880 Invalid, 1974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [454 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 05:33:33,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2023-12-16 05:33:33,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1858. [2023-12-16 05:33:33,716 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) [2023-12-16 05:33:33,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 3223 transitions. [2023-12-16 05:33:33,721 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 3223 transitions. Word has length 112 [2023-12-16 05:33:33,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:33,722 INFO L495 AbstractCegarLoop]: Abstraction has 1858 states and 3223 transitions. [2023-12-16 05:33:33,722 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) [2023-12-16 05:33:33,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 3223 transitions. [2023-12-16 05:33:33,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-16 05:33:33,728 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:33,728 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] [2023-12-16 05:33:33,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 05:33:33,729 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:33,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:33,729 INFO L85 PathProgramCache]: Analyzing trace with hash -109510446, now seen corresponding path program 1 times [2023-12-16 05:33:33,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:33,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083714538] [2023-12-16 05:33:33,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:33,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:33,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:33,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:33,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:33,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:33,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:33,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:33,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:33:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:33,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:33:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:33,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:33:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:33,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:33:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:33,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:33:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:33:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:33:33,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:33,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083714538] [2023-12-16 05:33:33,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083714538] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:33,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:33,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:33,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938997907] [2023-12-16 05:33:33,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:33,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:33,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:33,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:33,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:33,796 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) [2023-12-16 05:33:34,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:34,949 INFO L93 Difference]: Finished difference Result 4594 states and 8111 transitions. [2023-12-16 05:33:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:34,949 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 [2023-12-16 05:33:34,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:34,963 INFO L225 Difference]: With dead ends: 4594 [2023-12-16 05:33:34,963 INFO L226 Difference]: Without dead ends: 2966 [2023-12-16 05:33:34,968 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 [2023-12-16 05:33:34,969 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1280 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 878 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 [2023-12-16 05:33:34,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 878 Invalid, 1955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 05:33:34,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2966 states. [2023-12-16 05:33:35,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2966 to 2827. [2023-12-16 05:33:35,050 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) [2023-12-16 05:33:35,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 4931 transitions. [2023-12-16 05:33:35,057 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 4931 transitions. Word has length 113 [2023-12-16 05:33:35,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:35,057 INFO L495 AbstractCegarLoop]: Abstraction has 2827 states and 4931 transitions. [2023-12-16 05:33:35,057 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) [2023-12-16 05:33:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 4931 transitions. [2023-12-16 05:33:35,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-16 05:33:35,065 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:35,065 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] [2023-12-16 05:33:35,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 05:33:35,066 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:35,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:35,066 INFO L85 PathProgramCache]: Analyzing trace with hash -375974570, now seen corresponding path program 1 times [2023-12-16 05:33:35,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:35,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240784752] [2023-12-16 05:33:35,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:35,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:35,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:35,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:35,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:35,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:35,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:35,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:33:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:35,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:33:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:35,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:33:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:35,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:33:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:35,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:33:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:35,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:33:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:33:35,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:35,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240784752] [2023-12-16 05:33:35,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240784752] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:35,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:35,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:35,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417987769] [2023-12-16 05:33:35,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:35,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:35,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:35,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:35,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:35,153 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) [2023-12-16 05:33:36,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:36,407 INFO L93 Difference]: Finished difference Result 6934 states and 12316 transitions. [2023-12-16 05:33:36,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:36,407 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 [2023-12-16 05:33:36,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:36,427 INFO L225 Difference]: With dead ends: 6934 [2023-12-16 05:33:36,427 INFO L226 Difference]: Without dead ends: 4534 [2023-12-16 05:33:36,435 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 [2023-12-16 05:33:36,435 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1275 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 1973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 447 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:36,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 878 Invalid, 1973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [447 Valid, 1526 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 05:33:36,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4534 states. [2023-12-16 05:33:36,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4534 to 4395. [2023-12-16 05:33:36,614 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) [2023-12-16 05:33:36,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4395 states to 4395 states and 7691 transitions. [2023-12-16 05:33:36,625 INFO L78 Accepts]: Start accepts. Automaton has 4395 states and 7691 transitions. Word has length 114 [2023-12-16 05:33:36,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:36,625 INFO L495 AbstractCegarLoop]: Abstraction has 4395 states and 7691 transitions. [2023-12-16 05:33:36,625 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) [2023-12-16 05:33:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 4395 states and 7691 transitions. [2023-12-16 05:33:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-16 05:33:36,635 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:36,636 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] [2023-12-16 05:33:36,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 05:33:36,636 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:36,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:36,636 INFO L85 PathProgramCache]: Analyzing trace with hash 533835118, now seen corresponding path program 1 times [2023-12-16 05:33:36,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:36,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683555874] [2023-12-16 05:33:36,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:36,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:36,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:36,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:33:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:33:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:33:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:33:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:33:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:36,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:33:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:36,703 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:33:36,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:36,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683555874] [2023-12-16 05:33:36,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683555874] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:36,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:36,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:36,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160035766] [2023-12-16 05:33:36,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:36,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:36,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:36,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:36,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:36,705 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) [2023-12-16 05:33:38,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:38,562 INFO L93 Difference]: Finished difference Result 10887 states and 19383 transitions. [2023-12-16 05:33:38,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:38,563 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 [2023-12-16 05:33:38,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:38,594 INFO L225 Difference]: With dead ends: 10887 [2023-12-16 05:33:38,594 INFO L226 Difference]: Without dead ends: 7206 [2023-12-16 05:33:38,605 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 [2023-12-16 05:33:38,606 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 1277 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 1971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:38,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1296 Valid, 899 Invalid, 1971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 05:33:38,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7206 states. [2023-12-16 05:33:38,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7206 to 7067. [2023-12-16 05:33:38,899 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) [2023-12-16 05:33:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7067 states to 7067 states and 12365 transitions. [2023-12-16 05:33:38,948 INFO L78 Accepts]: Start accepts. Automaton has 7067 states and 12365 transitions. Word has length 115 [2023-12-16 05:33:38,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:38,949 INFO L495 AbstractCegarLoop]: Abstraction has 7067 states and 12365 transitions. [2023-12-16 05:33:38,949 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) [2023-12-16 05:33:38,949 INFO L276 IsEmpty]: Start isEmpty. Operand 7067 states and 12365 transitions. [2023-12-16 05:33:38,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-16 05:33:38,977 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:38,977 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] [2023-12-16 05:33:38,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 05:33:38,977 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:38,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:38,978 INFO L85 PathProgramCache]: Analyzing trace with hash -615380806, now seen corresponding path program 1 times [2023-12-16 05:33:38,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:38,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197845170] [2023-12-16 05:33:38,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:38,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:39,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:39,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:39,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:39,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:39,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:33:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:33:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:39,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:33:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:39,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:33:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:39,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:33:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:39,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:33:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:33:39,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:39,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197845170] [2023-12-16 05:33:39,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197845170] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:39,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:39,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:39,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439967220] [2023-12-16 05:33:39,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:39,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:39,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:39,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:39,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:39,067 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) [2023-12-16 05:33:40,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:40,574 INFO L93 Difference]: Finished difference Result 18022 states and 32067 transitions. [2023-12-16 05:33:40,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:40,575 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 [2023-12-16 05:33:40,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:40,614 INFO L225 Difference]: With dead ends: 18022 [2023-12-16 05:33:40,615 INFO L226 Difference]: Without dead ends: 12035 [2023-12-16 05:33:40,635 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 [2023-12-16 05:33:40,635 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1271 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 1555 mSolverCounterSat, 457 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 2012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 457 IncrementalHoareTripleChecker+Valid, 1555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:40,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 887 Invalid, 2012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [457 Valid, 1555 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 05:33:40,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12035 states. [2023-12-16 05:33:41,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12035 to 11896. [2023-12-16 05:33:41,016 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) [2023-12-16 05:33:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11896 states to 11896 states and 20827 transitions. [2023-12-16 05:33:41,046 INFO L78 Accepts]: Start accepts. Automaton has 11896 states and 20827 transitions. Word has length 116 [2023-12-16 05:33:41,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:41,046 INFO L495 AbstractCegarLoop]: Abstraction has 11896 states and 20827 transitions. [2023-12-16 05:33:41,046 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) [2023-12-16 05:33:41,046 INFO L276 IsEmpty]: Start isEmpty. Operand 11896 states and 20827 transitions. [2023-12-16 05:33:41,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 05:33:41,071 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:41,071 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] [2023-12-16 05:33:41,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 05:33:41,072 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:41,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:41,072 INFO L85 PathProgramCache]: Analyzing trace with hash 108570940, now seen corresponding path program 1 times [2023-12-16 05:33:41,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:41,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920156220] [2023-12-16 05:33:41,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:41,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:41,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:41,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:41,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:41,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:41,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:41,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:33:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:33:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:41,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:33:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:41,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:33:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:33:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:41,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:33:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:33:41,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:41,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920156220] [2023-12-16 05:33:41,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920156220] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:41,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:41,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:41,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462417825] [2023-12-16 05:33:41,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:41,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:41,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:41,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:41,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:41,139 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) [2023-12-16 05:33:42,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:42,885 INFO L93 Difference]: Finished difference Result 28568 states and 50620 transitions. [2023-12-16 05:33:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:42,886 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 [2023-12-16 05:33:42,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:43,081 INFO L225 Difference]: With dead ends: 28568 [2023-12-16 05:33:43,081 INFO L226 Difference]: Without dead ends: 18707 [2023-12-16 05:33:43,173 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 [2023-12-16 05:33:43,174 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1271 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 435 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:43,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1290 Valid, 862 Invalid, 1974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [435 Valid, 1539 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:33:43,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18707 states. [2023-12-16 05:33:43,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18707 to 18568. [2023-12-16 05:33:43,737 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) [2023-12-16 05:33:43,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18568 states to 18568 states and 32238 transitions. [2023-12-16 05:33:43,783 INFO L78 Accepts]: Start accepts. Automaton has 18568 states and 32238 transitions. Word has length 117 [2023-12-16 05:33:43,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:43,784 INFO L495 AbstractCegarLoop]: Abstraction has 18568 states and 32238 transitions. [2023-12-16 05:33:43,784 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) [2023-12-16 05:33:43,784 INFO L276 IsEmpty]: Start isEmpty. Operand 18568 states and 32238 transitions. [2023-12-16 05:33:43,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-16 05:33:43,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:43,803 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] [2023-12-16 05:33:43,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 05:33:43,803 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:43,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:43,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1639279643, now seen corresponding path program 1 times [2023-12-16 05:33:43,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:43,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973644090] [2023-12-16 05:33:43,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:43,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:43,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:43,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:33:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:43,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:33:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:33:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:43,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:33:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:43,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:33:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:33:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:33:43,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:43,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973644090] [2023-12-16 05:33:43,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973644090] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:43,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:43,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:43,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325738241] [2023-12-16 05:33:43,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:43,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:43,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:43,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:43,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:43,871 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) [2023-12-16 05:33:45,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:45,879 INFO L93 Difference]: Finished difference Result 49201 states and 86941 transitions. [2023-12-16 05:33:45,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:45,880 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 [2023-12-16 05:33:45,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:45,998 INFO L225 Difference]: With dead ends: 49201 [2023-12-16 05:33:45,998 INFO L226 Difference]: Without dead ends: 33288 [2023-12-16 05:33:46,105 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 [2023-12-16 05:33:46,106 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1266 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:46,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1284 Valid, 879 Invalid, 1978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 05:33:46,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33288 states. [2023-12-16 05:33:46,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33288 to 33149. [2023-12-16 05:33:47,007 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) [2023-12-16 05:33:47,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33149 states to 33149 states and 57475 transitions. [2023-12-16 05:33:47,094 INFO L78 Accepts]: Start accepts. Automaton has 33149 states and 57475 transitions. Word has length 118 [2023-12-16 05:33:47,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:47,095 INFO L495 AbstractCegarLoop]: Abstraction has 33149 states and 57475 transitions. [2023-12-16 05:33:47,095 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) [2023-12-16 05:33:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 33149 states and 57475 transitions. [2023-12-16 05:33:47,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-16 05:33:47,119 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:47,119 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] [2023-12-16 05:33:47,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 05:33:47,119 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:47,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:47,120 INFO L85 PathProgramCache]: Analyzing trace with hash 2073134390, now seen corresponding path program 1 times [2023-12-16 05:33:47,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:47,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453858031] [2023-12-16 05:33:47,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:47,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:47,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:47,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:47,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:47,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:47,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:47,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:47,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:33:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:33:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:47,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:33:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:47,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:33:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:47,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:33:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:47,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:33:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:47,324 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:33:47,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:47,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453858031] [2023-12-16 05:33:47,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453858031] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:47,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:47,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:47,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177431192] [2023-12-16 05:33:47,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:47,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:47,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:47,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:47,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:47,326 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) [2023-12-16 05:33:50,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:50,103 INFO L93 Difference]: Finished difference Result 90503 states and 159165 transitions. [2023-12-16 05:33:50,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:50,104 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 [2023-12-16 05:33:50,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:50,322 INFO L225 Difference]: With dead ends: 90503 [2023-12-16 05:33:50,322 INFO L226 Difference]: Without dead ends: 60900 [2023-12-16 05:33:50,503 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 [2023-12-16 05:33:50,504 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1264 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 457 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1282 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 1982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 457 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:50,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1282 Valid, 886 Invalid, 1982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [457 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:33:50,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60900 states. [2023-12-16 05:33:52,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60900 to 60761. [2023-12-16 05:33:52,977 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) [2023-12-16 05:33:53,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60761 states to 60761 states and 105129 transitions. [2023-12-16 05:33:53,688 INFO L78 Accepts]: Start accepts. Automaton has 60761 states and 105129 transitions. Word has length 119 [2023-12-16 05:33:53,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:53,689 INFO L495 AbstractCegarLoop]: Abstraction has 60761 states and 105129 transitions. [2023-12-16 05:33:53,689 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) [2023-12-16 05:33:53,689 INFO L276 IsEmpty]: Start isEmpty. Operand 60761 states and 105129 transitions. [2023-12-16 05:33:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-16 05:33:53,752 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:53,752 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] [2023-12-16 05:33:53,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 05:33:53,752 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:53,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:53,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1585435173, now seen corresponding path program 1 times [2023-12-16 05:33:53,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:53,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503927282] [2023-12-16 05:33:53,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:53,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:53,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:53,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:53,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:33:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:33:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:53,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:33:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:53,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:33:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:53,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:33:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:53,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 05:33:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:33:53,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:53,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503927282] [2023-12-16 05:33:53,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503927282] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:53,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:53,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:53,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045641180] [2023-12-16 05:33:53,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:53,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:53,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:53,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:53,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:53,837 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) [2023-12-16 05:33:57,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:57,425 INFO L93 Difference]: Finished difference Result 113855 states and 200775 transitions. [2023-12-16 05:33:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:57,426 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 [2023-12-16 05:33:57,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:58,409 INFO L225 Difference]: With dead ends: 113855 [2023-12-16 05:33:58,409 INFO L226 Difference]: Without dead ends: 113694 [2023-12-16 05:33:58,453 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 [2023-12-16 05:33:58,455 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1264 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 449 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1282 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 1972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 449 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:58,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1282 Valid, 880 Invalid, 1972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [449 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 05:33:58,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113694 states. [2023-12-16 05:34:02,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113694 to 113555. [2023-12-16 05:34:02,364 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) [2023-12-16 05:34:02,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113555 states to 113555 states and 195923 transitions. [2023-12-16 05:34:02,902 INFO L78 Accepts]: Start accepts. Automaton has 113555 states and 195923 transitions. Word has length 120 [2023-12-16 05:34:02,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:02,902 INFO L495 AbstractCegarLoop]: Abstraction has 113555 states and 195923 transitions. [2023-12-16 05:34:02,902 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) [2023-12-16 05:34:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand 113555 states and 195923 transitions. [2023-12-16 05:34:02,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-16 05:34:02,934 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:02,934 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] [2023-12-16 05:34:02,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-16 05:34:02,934 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:02,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:02,934 INFO L85 PathProgramCache]: Analyzing trace with hash 431489621, now seen corresponding path program 1 times [2023-12-16 05:34:02,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:02,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216401971] [2023-12-16 05:34:02,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:02,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:03,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:03,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:03,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:34:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:34:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:34:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:34:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:03,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:34:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:34:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:34:03,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:03,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216401971] [2023-12-16 05:34:03,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216401971] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:03,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:03,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-16 05:34:03,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864783797] [2023-12-16 05:34:03,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:03,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-16 05:34:03,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:03,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-16 05:34:03,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-12-16 05:34:03,659 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) [2023-12-16 05:34:14,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:14,100 INFO L93 Difference]: Finished difference Result 226604 states and 403021 transitions. [2023-12-16 05:34:14,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-16 05:34:14,100 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 [2023-12-16 05:34:14,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. Received shutdown request... [2023-12-16 05:34:15,180 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 05:34:15,775 INFO L225 Difference]: With dead ends: 226604 [2023-12-16 05:34:15,775 INFO L226 Difference]: Without dead ends: 226448 [2023-12-16 05:34:15,859 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 [2023-12-16 05:34:15,860 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 3632 mSDsluCounter, 2363 mSDsCounter, 0 mSdLazyCounter, 8021 mSolverCounterSat, 1187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3647 SdHoareTripleChecker+Valid, 2609 SdHoareTripleChecker+Invalid, 9208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1187 IncrementalHoareTripleChecker+Valid, 8021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:15,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3647 Valid, 2609 Invalid, 9208 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1187 Valid, 8021 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-16 05:34:16,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226448 states. [2023-12-16 05:34:16,057 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 05:34:16,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-16 05:34:16,057 WARN L619 AbstractCegarLoop]: Verification canceled: while executing MinimizeSevpa. [2023-12-16 05:34:16,060 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:16,062 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 05:34:16,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:34:16 BoogieIcfgContainer [2023-12-16 05:34:16,063 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 05:34:16,064 INFO L158 Benchmark]: Toolchain (without parser) took 64841.06ms. Allocated memory was 198.2MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 148.5MB in the beginning and 5.7GB in the end (delta: -5.5GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2023-12-16 05:34:16,064 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 164.6MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:34:16,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.56ms. Allocated memory is still 198.2MB. Free memory was 147.9MB in the beginning and 106.5MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2023-12-16 05:34:16,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.52ms. Allocated memory is still 198.2MB. Free memory was 106.5MB in the beginning and 100.8MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 05:34:16,064 INFO L158 Benchmark]: Boogie Preprocessor took 62.01ms. Allocated memory is still 198.2MB. Free memory was 100.8MB in the beginning and 93.4MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 05:34:16,065 INFO L158 Benchmark]: RCFGBuilder took 1098.85ms. Allocated memory is still 198.2MB. Free memory was 93.4MB in the beginning and 95.0MB in the end (delta: -1.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 05:34:16,065 INFO L158 Benchmark]: TraceAbstraction took 62953.53ms. Allocated memory was 198.2MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 94.5MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2023-12-16 05:34:16,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 164.6MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 646.56ms. Allocated memory is still 198.2MB. Free memory was 147.9MB in the beginning and 106.5MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 74.52ms. Allocated memory is still 198.2MB. Free memory was 106.5MB in the beginning and 100.8MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.01ms. Allocated memory is still 198.2MB. Free memory was 100.8MB in the beginning and 93.4MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1098.85ms. Allocated memory is still 198.2MB. Free memory was 93.4MB in the beginning and 95.0MB in the end (delta: -1.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 62953.53ms. Allocated memory was 198.2MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 94.5MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [48] - GenericResultAtLocation [Line: 90]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [90] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [501] - GenericResultAtLocation [Line: 730]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [730] - GenericResultAtLocation [Line: 836]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [836] - GenericResultAtLocation [Line: 853]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [853] - GenericResultAtLocation [Line: 1219]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1219] - GenericResultAtLocation [Line: 1257]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1257] - GenericResultAtLocation [Line: 1577]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1577] - GenericResultAtLocation [Line: 2649]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2649] - GenericResultAtLocation [Line: 2937]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2937] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 2942]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2942). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 348 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 62.9s, OverallIterations: 21, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 44.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23039 SdHoareTripleChecker+Valid, 26.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22759 mSDsluCounter, 25383 SdHoareTripleChecker+Invalid, 22.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19554 mSDsCounter, 7847 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40039 IncrementalHoareTripleChecker+Invalid, 47886 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7847 mSolverCounterUnsat, 5829 mSDtfsCounter, 40039 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1508 GetRequests, 1203 SyntacticMatches, 0 SemanticMatches, 305 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1479 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113555occurred in iteration=20, InterpolantAutomatonStates: 220, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.8s AutomataMinimizationTime, 21 MinimizatonAttempts, 2080 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2860 NumberOfCodeBlocks, 2860 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2937 ConstructedInterpolants, 0 QuantifiedInterpolants, 5297 SizeOfPredicates, 8 NumberOfNonLiveVariables, 5961 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 818/842 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown