/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec6_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:49:08,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:49:08,526 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:49:08,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:49:08,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:49:08,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:49:08,545 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:49:08,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:49:08,546 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:49:08,546 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:49:08,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:49:08,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:49:08,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:49:08,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:49:08,547 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:49:08,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:49:08,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:49:08,548 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:49:08,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:49:08,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:49:08,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:49:08,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:49:08,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:49:08,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:49:08,550 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:49:08,551 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:49:08,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:49:08,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:49:08,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:49:08,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:49:08,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:49:08,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:49:08,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:49:08,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:49:08,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:49:08,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:49:08,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:49:08,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:49:08,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:49:08,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:49:08,554 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:49:08,568 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:49:08,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:49:08,568 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:49:08,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:49:08,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:49:08,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:49:08,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:49:08,747 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:49:08,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product14.cil.c [2023-12-15 22:49:09,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:49:10,036 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:49:10,036 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product14.cil.c [2023-12-15 22:49:10,054 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e81a7c5/8eb40b7c13c448c6af5aba893994ed80/FLAGfc7722432 [2023-12-15 22:49:10,065 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e81a7c5/8eb40b7c13c448c6af5aba893994ed80 [2023-12-15 22:49:10,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:49:10,069 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:49:10,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:49:10,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:49:10,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:49:10,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24cccdbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10, skipping insertion in model container [2023-12-15 22:49:10,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,117 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:49:10,431 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_spec6_product14.cil.c[43937,43950] [2023-12-15 22:49:10,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:49:10,501 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:49:10,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2023-12-15 22:49:10,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [368] [2023-12-15 22:49:10,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [419] [2023-12-15 22:49:10,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1488] [2023-12-15 22:49:10,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1523] [2023-12-15 22:49:10,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1803] [2023-12-15 22:49:10,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2019] [2023-12-15 22:49:10,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2036] [2023-12-15 22:49:10,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2045] [2023-12-15 22:49:10,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2151] [2023-12-15 22:49:10,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2517] [2023-12-15 22:49:10,549 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_spec6_product14.cil.c[43937,43950] [2023-12-15 22:49:10,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:49:10,596 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:49:10,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10 WrapperNode [2023-12-15 22:49:10,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:49:10,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:49:10,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:49:10,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:49:10,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,669 INFO L138 Inliner]: procedures = 126, calls = 194, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 863 [2023-12-15 22:49:10,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:49:10,670 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:49:10,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:49:10,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:49:10,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,682 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,708 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]. [2023-12-15 22:49:10,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:49:10,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:49:10,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:49:10,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:49:10,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10" (1/1) ... [2023-12-15 22:49:10,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:49:10,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:49:10,789 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) [2023-12-15 22:49:10,812 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 [2023-12-15 22:49:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-15 22:49:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-15 22:49:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-15 22:49:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-15 22:49:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-15 22:49:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-15 22:49:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-15 22:49:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-15 22:49:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-15 22:49:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-15 22:49:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-15 22:49:10,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-15 22:49:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-15 22:49:10,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-15 22:49:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-15 22:49:10,824 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-15 22:49:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-15 22:49:10,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-15 22:49:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-15 22:49:10,827 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-15 22:49:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-15 22:49:10,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-15 22:49:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:49:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-15 22:49:10,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-15 22:49:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-15 22:49:10,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-15 22:49:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-15 22:49:10,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-15 22:49:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-15 22:49:10,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-15 22:49:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-15 22:49:10,827 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-15 22:49:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-12-15 22:49:10,828 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-12-15 22:49:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-15 22:49:10,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-15 22:49:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-15 22:49:10,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-15 22:49:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-15 22:49:10,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-15 22:49:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-15 22:49:10,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-15 22:49:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:49:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-15 22:49:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-15 22:49:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-15 22:49:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-15 22:49:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-15 22:49:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-15 22:49:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-15 22:49:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:49:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:49:11,004 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:49:11,007 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:49:11,522 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:49:11,580 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:49:11,580 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 22:49:11,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:49:11 BoogieIcfgContainer [2023-12-15 22:49:11,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:49:11,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:49:11,583 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:49:11,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:49:11,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:49:10" (1/3) ... [2023-12-15 22:49:11,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a108ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:49:11, skipping insertion in model container [2023-12-15 22:49:11,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:49:10" (2/3) ... [2023-12-15 22:49:11,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a108ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:49:11, skipping insertion in model container [2023-12-15 22:49:11,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:49:11" (3/3) ... [2023-12-15 22:49:11,588 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product14.cil.c [2023-12-15 22:49:11,600 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:49:11,600 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:49:11,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:49:11,661 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;@22bf3af8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:49:11,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:49:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 332 states, 251 states have (on average 1.6254980079681276) internal successors, (408), 256 states have internal predecessors, (408), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-15 22:49:11,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-15 22:49:11,684 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:11,685 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:11,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:11,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:11,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1017146138, now seen corresponding path program 1 times [2023-12-15 22:49:11,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:11,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133494395] [2023-12-15 22:49:11,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:11,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:49:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:49:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:49:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-15 22:49:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-15 22:49:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:49:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-15 22:49:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 22:49:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:49:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:49:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-15 22:49:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:49:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:49:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,216 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-15 22:49:12,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:12,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133494395] [2023-12-15 22:49:12,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133494395] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:49:12,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921225882] [2023-12-15 22:49:12,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:12,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:49:12,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:49:12,220 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) [2023-12-15 22:49:12,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 22:49:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 22:49:12,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:49:12,521 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-15 22:49:12,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:49:12,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921225882] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:12,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:49:12,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-15 22:49:12,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706875651] [2023-12-15 22:49:12,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:12,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:49:12,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:12,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:49:12,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:49:12,558 INFO L87 Difference]: Start difference. First operand has 332 states, 251 states have (on average 1.6254980079681276) internal successors, (408), 256 states have internal predecessors, (408), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-15 22:49:12,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:12,651 INFO L93 Difference]: Finished difference Result 484 states and 746 transitions. [2023-12-15 22:49:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:49:12,656 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 116 [2023-12-15 22:49:12,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:12,667 INFO L225 Difference]: With dead ends: 484 [2023-12-15 22:49:12,667 INFO L226 Difference]: Without dead ends: 329 [2023-12-15 22:49:12,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:49:12,675 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:12,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 505 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:49:12,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2023-12-15 22:49:12,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2023-12-15 22:49:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.6104417670682731) internal successors, (401), 253 states have internal predecessors, (401), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2023-12-15 22:49:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 512 transitions. [2023-12-15 22:49:12,725 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 512 transitions. Word has length 116 [2023-12-15 22:49:12,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:12,726 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 512 transitions. [2023-12-15 22:49:12,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-15 22:49:12,726 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 512 transitions. [2023-12-15 22:49:12,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-15 22:49:12,733 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:12,733 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:12,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-15 22:49:12,939 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 [2023-12-15 22:49:12,940 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:12,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:12,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1640279096, now seen corresponding path program 1 times [2023-12-15 22:49:12,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:12,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459302312] [2023-12-15 22:49:12,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:12,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:49:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:49:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:49:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 22:49:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-15 22:49:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 22:49:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-15 22:49:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-15 22:49:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-15 22:49:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:49:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-15 22:49:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:49:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:49:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-15 22:49:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-15 22:49:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-15 22:49:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-15 22:49:13,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:13,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459302312] [2023-12-15 22:49:13,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459302312] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:49:13,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59365301] [2023-12-15 22:49:13,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:13,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:49:13,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:49:13,231 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) [2023-12-15 22:49:13,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 22:49:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 22:49:13,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:49:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-15 22:49:13,495 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:49:13,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59365301] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:13,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:49:13,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-15 22:49:13,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927103095] [2023-12-15 22:49:13,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:13,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:49:13,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:13,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:49:13,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:49:13,498 INFO L87 Difference]: Start difference. First operand 329 states and 512 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:13,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:13,558 INFO L93 Difference]: Finished difference Result 480 states and 730 transitions. [2023-12-15 22:49:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:49:13,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 135 [2023-12-15 22:49:13,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:13,564 INFO L225 Difference]: With dead ends: 480 [2023-12-15 22:49:13,564 INFO L226 Difference]: Without dead ends: 331 [2023-12-15 22:49:13,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:49:13,570 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 0 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:13,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1003 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:49:13,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2023-12-15 22:49:13,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2023-12-15 22:49:13,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 251 states have (on average 1.6055776892430278) internal successors, (403), 255 states have internal predecessors, (403), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2023-12-15 22:49:13,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 514 transitions. [2023-12-15 22:49:13,601 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 514 transitions. Word has length 135 [2023-12-15 22:49:13,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:13,602 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 514 transitions. [2023-12-15 22:49:13,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:13,602 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 514 transitions. [2023-12-15 22:49:13,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-15 22:49:13,604 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:13,604 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:13,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 22:49:13,812 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 [2023-12-15 22:49:13,813 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:13,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:13,813 INFO L85 PathProgramCache]: Analyzing trace with hash -894009917, now seen corresponding path program 1 times [2023-12-15 22:49:13,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:13,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893688294] [2023-12-15 22:49:13,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:13,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:49:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:49:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:49:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-15 22:49:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-15 22:49:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-15 22:49:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-15 22:49:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:49:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:49:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 22:49:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:49:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:49:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-15 22:49:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-15 22:49:14,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:14,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893688294] [2023-12-15 22:49:14,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893688294] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:49:14,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612967147] [2023-12-15 22:49:14,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:14,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:49:14,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:49:14,003 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) [2023-12-15 22:49:14,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 22:49:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 22:49:14,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:49:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-15 22:49:14,285 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:49:14,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612967147] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:14,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:49:14,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-15 22:49:14,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971588574] [2023-12-15 22:49:14,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:14,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:49:14,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:14,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:49:14,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:49:14,287 INFO L87 Difference]: Start difference. First operand 331 states and 514 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-15 22:49:14,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:14,352 INFO L93 Difference]: Finished difference Result 706 states and 1113 transitions. [2023-12-15 22:49:14,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:49:14,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 122 [2023-12-15 22:49:14,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:14,355 INFO L225 Difference]: With dead ends: 706 [2023-12-15 22:49:14,355 INFO L226 Difference]: Without dead ends: 397 [2023-12-15 22:49:14,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:49:14,357 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 122 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:14,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 975 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:49:14,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2023-12-15 22:49:14,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 392. [2023-12-15 22:49:14,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 298 states have (on average 1.6208053691275168) internal successors, (483), 302 states have internal predecessors, (483), 70 states have call successors, (70), 23 states have call predecessors, (70), 23 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2023-12-15 22:49:14,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 622 transitions. [2023-12-15 22:49:14,377 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 622 transitions. Word has length 122 [2023-12-15 22:49:14,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:14,378 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 622 transitions. [2023-12-15 22:49:14,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-15 22:49:14,378 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 622 transitions. [2023-12-15 22:49:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-15 22:49:14,381 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:14,381 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:14,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-15 22:49:14,587 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 [2023-12-15 22:49:14,587 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:14,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:14,587 INFO L85 PathProgramCache]: Analyzing trace with hash -180114217, now seen corresponding path program 1 times [2023-12-15 22:49:14,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:14,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416783664] [2023-12-15 22:49:14,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:14,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:49:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:49:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:49:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-15 22:49:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-15 22:49:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 22:49:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:49:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 22:49:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 22:49:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-15 22:49:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:49:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-15 22:49:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-15 22:49:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-15 22:49:14,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:14,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416783664] [2023-12-15 22:49:14,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416783664] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:49:14,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362730734] [2023-12-15 22:49:14,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:14,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:49:14,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:49:14,831 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) [2023-12-15 22:49:14,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 22:49:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 22:49:15,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:49:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-15 22:49:15,156 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:49:15,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362730734] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:15,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:49:15,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-15 22:49:15,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788224550] [2023-12-15 22:49:15,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:15,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:49:15,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:15,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:49:15,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:49:15,158 INFO L87 Difference]: Start difference. First operand 392 states and 622 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-15 22:49:15,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:15,226 INFO L93 Difference]: Finished difference Result 779 states and 1238 transitions. [2023-12-15 22:49:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:49:15,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 123 [2023-12-15 22:49:15,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:15,229 INFO L225 Difference]: With dead ends: 779 [2023-12-15 22:49:15,229 INFO L226 Difference]: Without dead ends: 394 [2023-12-15 22:49:15,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:15,234 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 8 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:15,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1961 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:49:15,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2023-12-15 22:49:15,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2023-12-15 22:49:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 299 states have (on average 1.6187290969899666) internal successors, (484), 304 states have internal predecessors, (484), 70 states have call successors, (70), 23 states have call predecessors, (70), 24 states have return successors, (71), 68 states have call predecessors, (71), 69 states have call successors, (71) [2023-12-15 22:49:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 625 transitions. [2023-12-15 22:49:15,248 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 625 transitions. Word has length 123 [2023-12-15 22:49:15,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:15,249 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 625 transitions. [2023-12-15 22:49:15,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-15 22:49:15,249 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 625 transitions. [2023-12-15 22:49:15,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-15 22:49:15,251 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:15,252 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:15,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 22:49:15,458 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 [2023-12-15 22:49:15,459 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:15,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:15,460 INFO L85 PathProgramCache]: Analyzing trace with hash -935793335, now seen corresponding path program 1 times [2023-12-15 22:49:15,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:15,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669700126] [2023-12-15 22:49:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:15,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-15 22:49:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-15 22:49:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-15 22:49:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:49:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-15 22:49:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-15 22:49:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-15 22:49:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-15 22:49:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-15 22:49:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-15 22:49:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-15 22:49:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-15 22:49:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-15 22:49:15,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:15,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669700126] [2023-12-15 22:49:15,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669700126] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:49:15,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344040011] [2023-12-15 22:49:15,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:15,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:49:15,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:49:15,664 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) [2023-12-15 22:49:15,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 22:49:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:15,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 1068 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 22:49:15,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:49:16,039 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-15 22:49:16,040 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:49:16,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344040011] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:16,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:49:16,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-15 22:49:16,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603659041] [2023-12-15 22:49:16,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:16,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:49:16,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:16,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:49:16,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-15 22:49:16,042 INFO L87 Difference]: Start difference. First operand 394 states and 625 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-15 22:49:16,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:16,119 INFO L93 Difference]: Finished difference Result 781 states and 1243 transitions. [2023-12-15 22:49:16,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:49:16,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 124 [2023-12-15 22:49:16,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:16,121 INFO L225 Difference]: With dead ends: 781 [2023-12-15 22:49:16,121 INFO L226 Difference]: Without dead ends: 396 [2023-12-15 22:49:16,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-15 22:49:16,123 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 8 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1947 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:16,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1947 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:49:16,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-12-15 22:49:16,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2023-12-15 22:49:16,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 300 states have (on average 1.6166666666666667) internal successors, (485), 306 states have internal predecessors, (485), 70 states have call successors, (70), 23 states have call predecessors, (70), 25 states have return successors, (76), 68 states have call predecessors, (76), 69 states have call successors, (76) [2023-12-15 22:49:16,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 631 transitions. [2023-12-15 22:49:16,143 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 631 transitions. Word has length 124 [2023-12-15 22:49:16,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:16,143 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 631 transitions. [2023-12-15 22:49:16,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-15 22:49:16,144 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 631 transitions. [2023-12-15 22:49:16,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-15 22:49:16,145 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:16,145 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:16,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 22:49:16,352 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 [2023-12-15 22:49:16,352 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:16,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:16,352 INFO L85 PathProgramCache]: Analyzing trace with hash 814121356, now seen corresponding path program 1 times [2023-12-15 22:49:16,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:16,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995009772] [2023-12-15 22:49:16,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:16,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-15 22:49:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-15 22:49:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 22:49:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-15 22:49:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-15 22:49:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-15 22:49:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-15 22:49:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 22:49:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-15 22:49:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-15 22:49:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-15 22:49:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-15 22:49:16,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:16,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995009772] [2023-12-15 22:49:16,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995009772] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:16,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:16,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 22:49:16,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458884405] [2023-12-15 22:49:16,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:16,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 22:49:16,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:16,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 22:49:16,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:49:16,595 INFO L87 Difference]: Start difference. First operand 396 states and 631 transitions. Second operand has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-15 22:49:18,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:18,010 INFO L93 Difference]: Finished difference Result 846 states and 1368 transitions. [2023-12-15 22:49:18,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 22:49:18,010 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 125 [2023-12-15 22:49:18,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:18,013 INFO L225 Difference]: With dead ends: 846 [2023-12-15 22:49:18,013 INFO L226 Difference]: Without dead ends: 469 [2023-12-15 22:49:18,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-15 22:49:18,015 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 1078 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 1144 SdHoareTripleChecker+Invalid, 2441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 2056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:18,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 1144 Invalid, 2441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 2056 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-15 22:49:18,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2023-12-15 22:49:18,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 396. [2023-12-15 22:49:18,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 300 states have (on average 1.6166666666666667) internal successors, (485), 306 states have internal predecessors, (485), 70 states have call successors, (70), 23 states have call predecessors, (70), 25 states have return successors, (75), 68 states have call predecessors, (75), 69 states have call successors, (75) [2023-12-15 22:49:18,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 630 transitions. [2023-12-15 22:49:18,043 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 630 transitions. Word has length 125 [2023-12-15 22:49:18,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:18,044 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 630 transitions. [2023-12-15 22:49:18,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-15 22:49:18,044 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 630 transitions. [2023-12-15 22:49:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-15 22:49:18,047 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:18,047 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:18,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 22:49:18,047 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:18,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:18,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1041678358, now seen corresponding path program 1 times [2023-12-15 22:49:18,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:18,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531934590] [2023-12-15 22:49:18,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:18,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-15 22:49:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-15 22:49:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-15 22:49:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 22:49:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-15 22:49:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-15 22:49:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-15 22:49:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-15 22:49:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-15 22:49:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-15 22:49:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-15 22:49:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-15 22:49:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-15 22:49:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-15 22:49:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-15 22:49:18,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:18,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531934590] [2023-12-15 22:49:18,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531934590] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:18,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:18,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 22:49:18,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539612980] [2023-12-15 22:49:18,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:18,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 22:49:18,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:18,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 22:49:18,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:49:18,225 INFO L87 Difference]: Start difference. First operand 396 states and 630 transitions. Second operand has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-15 22:49:19,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:19,249 INFO L93 Difference]: Finished difference Result 848 states and 1371 transitions. [2023-12-15 22:49:19,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 22:49:19,250 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 144 [2023-12-15 22:49:19,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:19,252 INFO L225 Difference]: With dead ends: 848 [2023-12-15 22:49:19,252 INFO L226 Difference]: Without dead ends: 471 [2023-12-15 22:49:19,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-15 22:49:19,254 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 1074 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2042 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 2418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 2042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:19,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 1145 Invalid, 2418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 2042 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 22:49:19,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-12-15 22:49:19,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 398. [2023-12-15 22:49:19,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 301 states have (on average 1.6146179401993355) internal successors, (486), 308 states have internal predecessors, (486), 70 states have call successors, (70), 23 states have call predecessors, (70), 26 states have return successors, (77), 68 states have call predecessors, (77), 69 states have call successors, (77) [2023-12-15 22:49:19,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 633 transitions. [2023-12-15 22:49:19,272 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 633 transitions. Word has length 144 [2023-12-15 22:49:19,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:19,272 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 633 transitions. [2023-12-15 22:49:19,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-15 22:49:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 633 transitions. [2023-12-15 22:49:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-15 22:49:19,274 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:19,274 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:19,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 22:49:19,274 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:19,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:19,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1855871791, now seen corresponding path program 1 times [2023-12-15 22:49:19,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:19,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936850768] [2023-12-15 22:49:19,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:19,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-15 22:49:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-15 22:49:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:49:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:49:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-15 22:49:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-15 22:49:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-15 22:49:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 22:49:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-15 22:49:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-15 22:49:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:19,482 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-15 22:49:19,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:19,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936850768] [2023-12-15 22:49:19,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936850768] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:19,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:19,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 22:49:19,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25817500] [2023-12-15 22:49:19,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:19,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 22:49:19,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:19,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 22:49:19,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:49:19,484 INFO L87 Difference]: Start difference. First operand 398 states and 633 transitions. Second operand has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2023-12-15 22:49:21,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:21,472 INFO L93 Difference]: Finished difference Result 846 states and 1366 transitions. [2023-12-15 22:49:21,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 22:49:21,472 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 127 [2023-12-15 22:49:21,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:21,474 INFO L225 Difference]: With dead ends: 846 [2023-12-15 22:49:21,474 INFO L226 Difference]: Without dead ends: 471 [2023-12-15 22:49:21,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-15 22:49:21,476 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 1086 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 3436 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 3812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 3436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:21,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 1585 Invalid, 3812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 3436 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-15 22:49:21,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-12-15 22:49:21,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 398. [2023-12-15 22:49:21,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 301 states have (on average 1.6146179401993355) internal successors, (486), 308 states have internal predecessors, (486), 70 states have call successors, (70), 23 states have call predecessors, (70), 26 states have return successors, (76), 68 states have call predecessors, (76), 69 states have call successors, (76) [2023-12-15 22:49:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 632 transitions. [2023-12-15 22:49:21,492 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 632 transitions. Word has length 127 [2023-12-15 22:49:21,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:21,492 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 632 transitions. [2023-12-15 22:49:21,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2023-12-15 22:49:21,493 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 632 transitions. [2023-12-15 22:49:21,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-15 22:49:21,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:21,494 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:21,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 22:49:21,494 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:21,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:21,495 INFO L85 PathProgramCache]: Analyzing trace with hash -158533208, now seen corresponding path program 2 times [2023-12-15 22:49:21,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:21,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190983977] [2023-12-15 22:49:21,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:21,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-15 22:49:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-15 22:49:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-15 22:49:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-15 22:49:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:49:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 22:49:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 22:49:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:49:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-15 22:49:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-15 22:49:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,634 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-15 22:49:21,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:21,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190983977] [2023-12-15 22:49:21,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190983977] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:21,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:21,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 22:49:21,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019732217] [2023-12-15 22:49:21,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:21,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 22:49:21,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:21,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 22:49:21,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:49:21,636 INFO L87 Difference]: Start difference. First operand 398 states and 632 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2023-12-15 22:49:23,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:23,518 INFO L93 Difference]: Finished difference Result 848 states and 1372 transitions. [2023-12-15 22:49:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 22:49:23,518 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 128 [2023-12-15 22:49:23,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:23,521 INFO L225 Difference]: With dead ends: 848 [2023-12-15 22:49:23,521 INFO L226 Difference]: Without dead ends: 473 [2023-12-15 22:49:23,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-15 22:49:23,524 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 1073 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 3543 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 3543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:23,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 1587 Invalid, 3917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 3543 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-15 22:49:23,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2023-12-15 22:49:23,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 400. [2023-12-15 22:49:23,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 302 states have (on average 1.6125827814569536) internal successors, (487), 310 states have internal predecessors, (487), 70 states have call successors, (70), 23 states have call predecessors, (70), 27 states have return successors, (81), 68 states have call predecessors, (81), 69 states have call successors, (81) [2023-12-15 22:49:23,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 638 transitions. [2023-12-15 22:49:23,539 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 638 transitions. Word has length 128 [2023-12-15 22:49:23,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:23,539 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 638 transitions. [2023-12-15 22:49:23,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2023-12-15 22:49:23,540 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 638 transitions. [2023-12-15 22:49:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-15 22:49:23,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:23,541 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:23,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 22:49:23,541 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:23,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:23,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1007478602, now seen corresponding path program 1 times [2023-12-15 22:49:23,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:23,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883611930] [2023-12-15 22:49:23,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:23,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:49:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-15 22:49:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 22:49:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 22:49:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 22:49:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-15 22:49:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:49:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-15 22:49:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-15 22:49:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-15 22:49:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,643 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:23,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:23,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883611930] [2023-12-15 22:49:23,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883611930] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:49:23,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139801208] [2023-12-15 22:49:23,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:23,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:49:23,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:49:23,661 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) [2023-12-15 22:49:23,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 22:49:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:23,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 22:49:23,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:49:23,916 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:23,916 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:49:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:23,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139801208] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:49:23,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:49:23,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-12-15 22:49:23,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815521618] [2023-12-15 22:49:23,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:49:23,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 22:49:23,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:23,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 22:49:23,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-15 22:49:23,997 INFO L87 Difference]: Start difference. First operand 400 states and 638 transitions. Second operand has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 7 states have internal predecessors, (118), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-15 22:49:25,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:25,411 INFO L93 Difference]: Finished difference Result 1022 states and 1728 transitions. [2023-12-15 22:49:25,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-15 22:49:25,413 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 7 states have internal predecessors, (118), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 129 [2023-12-15 22:49:25,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:25,417 INFO L225 Difference]: With dead ends: 1022 [2023-12-15 22:49:25,417 INFO L226 Difference]: Without dead ends: 873 [2023-12-15 22:49:25,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-12-15 22:49:25,418 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 1537 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 2854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 543 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:25,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1594 Valid, 1585 Invalid, 2854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [543 Valid, 2311 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 22:49:25,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2023-12-15 22:49:25,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 785. [2023-12-15 22:49:25,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 608 states have (on average 1.6644736842105263) internal successors, (1012), 616 states have internal predecessors, (1012), 149 states have call successors, (149), 23 states have call predecessors, (149), 27 states have return successors, (170), 147 states have call predecessors, (170), 148 states have call successors, (170) [2023-12-15 22:49:25,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1331 transitions. [2023-12-15 22:49:25,445 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1331 transitions. Word has length 129 [2023-12-15 22:49:25,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:25,446 INFO L495 AbstractCegarLoop]: Abstraction has 785 states and 1331 transitions. [2023-12-15 22:49:25,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 7 states have internal predecessors, (118), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-15 22:49:25,446 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1331 transitions. [2023-12-15 22:49:25,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-15 22:49:25,449 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:25,449 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:25,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 22:49:25,676 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 [2023-12-15 22:49:25,677 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:25,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:25,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1288889985, now seen corresponding path program 1 times [2023-12-15 22:49:25,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:25,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081403380] [2023-12-15 22:49:25,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:25,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-15 22:49:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:49:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 22:49:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-15 22:49:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-15 22:49:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-15 22:49:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 22:49:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-15 22:49:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-15 22:49:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-15 22:49:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-15 22:49:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-15 22:49:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-15 22:49:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-15 22:49:25,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:25,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081403380] [2023-12-15 22:49:25,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081403380] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:25,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:25,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:25,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267202184] [2023-12-15 22:49:25,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:25,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:25,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:25,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:25,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:25,854 INFO L87 Difference]: Start difference. First operand 785 states and 1331 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:26,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:26,822 INFO L93 Difference]: Finished difference Result 1970 states and 3423 transitions. [2023-12-15 22:49:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:26,822 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-12-15 22:49:26,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:26,828 INFO L225 Difference]: With dead ends: 1970 [2023-12-15 22:49:26,828 INFO L226 Difference]: Without dead ends: 1245 [2023-12-15 22:49:26,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:26,831 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1185 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 435 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:26,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 889 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [435 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 22:49:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2023-12-15 22:49:26,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1167. [2023-12-15 22:49:26,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 911 states have (on average 1.6728869374313942) internal successors, (1524), 919 states have internal predecessors, (1524), 228 states have call successors, (228), 23 states have call predecessors, (228), 27 states have return successors, (259), 226 states have call predecessors, (259), 227 states have call successors, (259) [2023-12-15 22:49:26,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 2011 transitions. [2023-12-15 22:49:26,870 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 2011 transitions. Word has length 153 [2023-12-15 22:49:26,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:26,871 INFO L495 AbstractCegarLoop]: Abstraction has 1167 states and 2011 transitions. [2023-12-15 22:49:26,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:26,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 2011 transitions. [2023-12-15 22:49:26,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-15 22:49:26,876 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:26,876 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:26,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-15 22:49:26,876 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:26,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:26,876 INFO L85 PathProgramCache]: Analyzing trace with hash -367626478, now seen corresponding path program 1 times [2023-12-15 22:49:26,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:26,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702793939] [2023-12-15 22:49:26,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:26,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 22:49:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-15 22:49:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:49:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-15 22:49:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-15 22:49:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 22:49:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:49:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-15 22:49:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-15 22:49:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-15 22:49:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-15 22:49:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-15 22:49:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-15 22:49:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:26,985 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-15 22:49:26,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:26,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702793939] [2023-12-15 22:49:26,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702793939] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:26,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:26,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:26,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879443430] [2023-12-15 22:49:26,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:26,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:26,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:26,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:26,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:26,987 INFO L87 Difference]: Start difference. First operand 1167 states and 2011 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:27,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:27,924 INFO L93 Difference]: Finished difference Result 2901 states and 5079 transitions. [2023-12-15 22:49:27,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:27,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 154 [2023-12-15 22:49:27,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:27,936 INFO L225 Difference]: With dead ends: 2901 [2023-12-15 22:49:27,936 INFO L226 Difference]: Without dead ends: 1844 [2023-12-15 22:49:27,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:27,941 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 1185 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 448 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:27,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 847 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [448 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 22:49:27,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2023-12-15 22:49:27,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1766. [2023-12-15 22:49:27,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1766 states, 1391 states have (on average 1.6779295470884257) internal successors, (2334), 1399 states have internal predecessors, (2334), 347 states have call successors, (347), 23 states have call predecessors, (347), 27 states have return successors, (378), 345 states have call predecessors, (378), 346 states have call successors, (378) [2023-12-15 22:49:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1766 states and 3059 transitions. [2023-12-15 22:49:27,997 INFO L78 Accepts]: Start accepts. Automaton has 1766 states and 3059 transitions. Word has length 154 [2023-12-15 22:49:27,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:27,997 INFO L495 AbstractCegarLoop]: Abstraction has 1766 states and 3059 transitions. [2023-12-15 22:49:27,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 3059 transitions. [2023-12-15 22:49:28,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-15 22:49:28,005 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:28,005 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:28,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-15 22:49:28,005 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:28,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:28,005 INFO L85 PathProgramCache]: Analyzing trace with hash -47584253, now seen corresponding path program 1 times [2023-12-15 22:49:28,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:28,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332419229] [2023-12-15 22:49:28,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:28,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-15 22:49:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 22:49:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-15 22:49:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:49:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:49:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-15 22:49:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:49:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-15 22:49:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-15 22:49:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 22:49:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-15 22:49:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-15 22:49:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-15 22:49:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:28,128 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-15 22:49:28,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:28,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332419229] [2023-12-15 22:49:28,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332419229] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:28,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:28,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:28,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445825708] [2023-12-15 22:49:28,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:28,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:28,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:28,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:28,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:28,130 INFO L87 Difference]: Start difference. First operand 1766 states and 3059 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:29,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:29,332 INFO L93 Difference]: Finished difference Result 4297 states and 7584 transitions. [2023-12-15 22:49:29,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:29,332 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2023-12-15 22:49:29,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:29,344 INFO L225 Difference]: With dead ends: 4297 [2023-12-15 22:49:29,344 INFO L226 Difference]: Without dead ends: 2761 [2023-12-15 22:49:29,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:29,350 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1184 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:29,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1203 Valid, 841 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 22:49:29,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2023-12-15 22:49:29,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 2683. [2023-12-15 22:49:29,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2683 states, 2146 states have (on average 1.6826654240447343) internal successors, (3611), 2154 states have internal predecessors, (3611), 509 states have call successors, (509), 23 states have call predecessors, (509), 27 states have return successors, (556), 507 states have call predecessors, (556), 508 states have call successors, (556) [2023-12-15 22:49:29,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 4676 transitions. [2023-12-15 22:49:29,514 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 4676 transitions. Word has length 155 [2023-12-15 22:49:29,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:29,514 INFO L495 AbstractCegarLoop]: Abstraction has 2683 states and 4676 transitions. [2023-12-15 22:49:29,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:29,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 4676 transitions. [2023-12-15 22:49:29,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-15 22:49:29,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:29,541 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:29,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-15 22:49:29,542 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:29,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:29,542 INFO L85 PathProgramCache]: Analyzing trace with hash -627327099, now seen corresponding path program 1 times [2023-12-15 22:49:29,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:29,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131635315] [2023-12-15 22:49:29,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:29,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-15 22:49:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-15 22:49:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 22:49:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-15 22:49:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-15 22:49:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-15 22:49:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-15 22:49:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-15 22:49:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-15 22:49:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-15 22:49:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:29,640 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:29,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:29,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131635315] [2023-12-15 22:49:29,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131635315] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:29,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:29,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:29,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683772731] [2023-12-15 22:49:29,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:29,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:29,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:29,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:29,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:29,642 INFO L87 Difference]: Start difference. First operand 2683 states and 4676 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-15 22:49:30,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:30,793 INFO L93 Difference]: Finished difference Result 6497 states and 11544 transitions. [2023-12-15 22:49:30,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:30,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 138 [2023-12-15 22:49:30,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:30,812 INFO L225 Difference]: With dead ends: 6497 [2023-12-15 22:49:30,812 INFO L226 Difference]: Without dead ends: 4241 [2023-12-15 22:49:30,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:30,820 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 1180 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:30,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 845 Invalid, 1599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 22:49:30,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4241 states. [2023-12-15 22:49:31,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4241 to 4163. [2023-12-15 22:49:31,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4163 states, 3381 states have (on average 1.6861875184856552) internal successors, (5701), 3389 states have internal predecessors, (5701), 754 states have call successors, (754), 23 states have call predecessors, (754), 27 states have return successors, (827), 752 states have call predecessors, (827), 753 states have call successors, (827) [2023-12-15 22:49:31,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 4163 states and 7282 transitions. [2023-12-15 22:49:31,076 INFO L78 Accepts]: Start accepts. Automaton has 4163 states and 7282 transitions. Word has length 138 [2023-12-15 22:49:31,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:31,076 INFO L495 AbstractCegarLoop]: Abstraction has 4163 states and 7282 transitions. [2023-12-15 22:49:31,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-15 22:49:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 7282 transitions. [2023-12-15 22:49:31,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-15 22:49:31,104 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:31,104 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:31,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-15 22:49:31,104 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:31,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:31,105 INFO L85 PathProgramCache]: Analyzing trace with hash 2039117599, now seen corresponding path program 1 times [2023-12-15 22:49:31,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:31,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102527354] [2023-12-15 22:49:31,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:31,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 22:49:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-15 22:49:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-15 22:49:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-15 22:49:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-15 22:49:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 22:49:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-15 22:49:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-15 22:49:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-15 22:49:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-15 22:49:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-15 22:49:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-15 22:49:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-15 22:49:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-15 22:49:31,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:31,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102527354] [2023-12-15 22:49:31,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102527354] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:31,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:31,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:31,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266122195] [2023-12-15 22:49:31,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:31,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:31,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:31,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:31,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:31,191 INFO L87 Difference]: Start difference. First operand 4163 states and 7282 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:32,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:32,368 INFO L93 Difference]: Finished difference Result 10426 states and 18569 transitions. [2023-12-15 22:49:32,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:32,368 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 157 [2023-12-15 22:49:32,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:32,396 INFO L225 Difference]: With dead ends: 10426 [2023-12-15 22:49:32,397 INFO L226 Difference]: Without dead ends: 6913 [2023-12-15 22:49:32,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:32,409 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1181 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 1607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:32,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1200 Valid, 868 Invalid, 1607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 22:49:32,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6913 states. [2023-12-15 22:49:32,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6835. [2023-12-15 22:49:32,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6835 states, 5560 states have (on average 1.6807553956834533) internal successors, (9345), 5568 states have internal predecessors, (9345), 1247 states have call successors, (1247), 23 states have call predecessors, (1247), 27 states have return successors, (1364), 1245 states have call predecessors, (1364), 1246 states have call successors, (1364) [2023-12-15 22:49:32,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6835 states to 6835 states and 11956 transitions. [2023-12-15 22:49:32,665 INFO L78 Accepts]: Start accepts. Automaton has 6835 states and 11956 transitions. Word has length 157 [2023-12-15 22:49:32,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:32,665 INFO L495 AbstractCegarLoop]: Abstraction has 6835 states and 11956 transitions. [2023-12-15 22:49:32,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:32,666 INFO L276 IsEmpty]: Start isEmpty. Operand 6835 states and 11956 transitions. [2023-12-15 22:49:32,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-15 22:49:32,688 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:32,688 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:32,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-15 22:49:32,688 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:32,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:32,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1509477015, now seen corresponding path program 1 times [2023-12-15 22:49:32,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:32,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810140873] [2023-12-15 22:49:32,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:32,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:49:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:49:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-15 22:49:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-15 22:49:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 22:49:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 22:49:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-15 22:49:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-15 22:49:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-15 22:49:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-15 22:49:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:32,782 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:32,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:32,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810140873] [2023-12-15 22:49:32,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810140873] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:32,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:32,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:32,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445136174] [2023-12-15 22:49:32,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:32,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:32,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:32,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:32,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:32,784 INFO L87 Difference]: Start difference. First operand 6835 states and 11956 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-15 22:49:34,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:34,019 INFO L93 Difference]: Finished difference Result 17405 states and 30980 transitions. [2023-12-15 22:49:34,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:34,020 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 140 [2023-12-15 22:49:34,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:34,060 INFO L225 Difference]: With dead ends: 17405 [2023-12-15 22:49:34,060 INFO L226 Difference]: Without dead ends: 11586 [2023-12-15 22:49:34,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:34,077 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1175 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:34,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 861 Invalid, 1620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 22:49:34,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11586 states. [2023-12-15 22:49:34,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11586 to 11508. [2023-12-15 22:49:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11508 states, 9411 states have (on average 1.6801615131229413) internal successors, (15812), 9419 states have internal predecessors, (15812), 2069 states have call successors, (2069), 23 states have call predecessors, (2069), 27 states have return successors, (2264), 2067 states have call predecessors, (2264), 2068 states have call successors, (2264) [2023-12-15 22:49:34,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11508 states to 11508 states and 20145 transitions. [2023-12-15 22:49:34,425 INFO L78 Accepts]: Start accepts. Automaton has 11508 states and 20145 transitions. Word has length 140 [2023-12-15 22:49:34,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:34,425 INFO L495 AbstractCegarLoop]: Abstraction has 11508 states and 20145 transitions. [2023-12-15 22:49:34,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-15 22:49:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 11508 states and 20145 transitions. [2023-12-15 22:49:34,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 22:49:34,455 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:34,455 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:34,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-15 22:49:34,455 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:34,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:34,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1664507635, now seen corresponding path program 1 times [2023-12-15 22:49:34,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:34,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582764729] [2023-12-15 22:49:34,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:34,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-15 22:49:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-15 22:49:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-15 22:49:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:49:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:49:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:49:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-15 22:49:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-15 22:49:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-15 22:49:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-15 22:49:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:34,523 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:34,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:34,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582764729] [2023-12-15 22:49:34,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582764729] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:34,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:34,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:34,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616736911] [2023-12-15 22:49:34,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:34,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:34,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:34,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:34,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:34,525 INFO L87 Difference]: Start difference. First operand 11508 states and 20145 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-15 22:49:35,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:35,897 INFO L93 Difference]: Finished difference Result 27531 states and 48798 transitions. [2023-12-15 22:49:35,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:35,898 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 141 [2023-12-15 22:49:35,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:35,949 INFO L225 Difference]: With dead ends: 27531 [2023-12-15 22:49:35,949 INFO L226 Difference]: Without dead ends: 17970 [2023-12-15 22:49:35,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:35,971 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1170 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 1598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 430 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:35,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 817 Invalid, 1598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [430 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 22:49:35,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17970 states. [2023-12-15 22:49:36,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17970 to 17892. [2023-12-15 22:49:36,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17892 states, 14592 states have (on average 1.6563185307017543) internal successors, (24169), 14600 states have internal predecessors, (24169), 3272 states have call successors, (3272), 23 states have call predecessors, (3272), 27 states have return successors, (3611), 3270 states have call predecessors, (3611), 3271 states have call successors, (3611) [2023-12-15 22:49:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17892 states to 17892 states and 31052 transitions. [2023-12-15 22:49:36,479 INFO L78 Accepts]: Start accepts. Automaton has 17892 states and 31052 transitions. Word has length 141 [2023-12-15 22:49:36,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:36,479 INFO L495 AbstractCegarLoop]: Abstraction has 17892 states and 31052 transitions. [2023-12-15 22:49:36,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-15 22:49:36,479 INFO L276 IsEmpty]: Start isEmpty. Operand 17892 states and 31052 transitions. [2023-12-15 22:49:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-15 22:49:36,508 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:36,509 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:36,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-15 22:49:36,509 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:36,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:36,509 INFO L85 PathProgramCache]: Analyzing trace with hash 489395864, now seen corresponding path program 1 times [2023-12-15 22:49:36,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:36,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505789807] [2023-12-15 22:49:36,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:36,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 22:49:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-15 22:49:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-15 22:49:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-15 22:49:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-15 22:49:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 22:49:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:49:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-15 22:49:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-15 22:49:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-15 22:49:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-15 22:49:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-15 22:49:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-15 22:49:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:36,590 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-15 22:49:36,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:36,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505789807] [2023-12-15 22:49:36,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505789807] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:36,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:36,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:36,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959042335] [2023-12-15 22:49:36,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:36,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:36,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:36,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:36,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:36,593 INFO L87 Difference]: Start difference. First operand 17892 states and 31052 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:38,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:38,363 INFO L93 Difference]: Finished difference Result 47356 states and 83705 transitions. [2023-12-15 22:49:38,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:38,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 160 [2023-12-15 22:49:38,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:38,461 INFO L225 Difference]: With dead ends: 47356 [2023-12-15 22:49:38,461 INFO L226 Difference]: Without dead ends: 32003 [2023-12-15 22:49:38,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:38,494 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1167 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:38,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 844 Invalid, 1614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 22:49:38,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32003 states. [2023-12-15 22:49:39,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32003 to 31925. [2023-12-15 22:49:39,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31925 states, 26175 states have (on average 1.6532187201528177) internal successors, (43273), 26183 states have internal predecessors, (43273), 5722 states have call successors, (5722), 23 states have call predecessors, (5722), 27 states have return successors, (6335), 5720 states have call predecessors, (6335), 5721 states have call successors, (6335) [2023-12-15 22:49:39,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31925 states to 31925 states and 55330 transitions. [2023-12-15 22:49:39,808 INFO L78 Accepts]: Start accepts. Automaton has 31925 states and 55330 transitions. Word has length 160 [2023-12-15 22:49:39,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:39,809 INFO L495 AbstractCegarLoop]: Abstraction has 31925 states and 55330 transitions. [2023-12-15 22:49:39,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:39,809 INFO L276 IsEmpty]: Start isEmpty. Operand 31925 states and 55330 transitions. [2023-12-15 22:49:39,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-15 22:49:39,847 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:39,847 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:39,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-15 22:49:39,847 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:39,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:39,848 INFO L85 PathProgramCache]: Analyzing trace with hash -975521541, now seen corresponding path program 1 times [2023-12-15 22:49:39,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:39,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955678870] [2023-12-15 22:49:39,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:39,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:39,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:39,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:39,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:39,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:39,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:39,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-15 22:49:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:39,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 22:49:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:39,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-15 22:49:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:39,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:49:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:39,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 22:49:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:39,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:49:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:40,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-15 22:49:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:40,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-15 22:49:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:40,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 22:49:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:40,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-15 22:49:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-15 22:49:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-15 22:49:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-15 22:49:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-15 22:49:40,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:40,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955678870] [2023-12-15 22:49:40,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955678870] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:40,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:40,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:40,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478771033] [2023-12-15 22:49:40,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:40,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:40,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:40,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:40,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:40,131 INFO L87 Difference]: Start difference. First operand 31925 states and 55330 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:42,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:42,419 INFO L93 Difference]: Finished difference Result 87078 states and 153164 transitions. [2023-12-15 22:49:42,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:42,420 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 161 [2023-12-15 22:49:42,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:42,616 INFO L225 Difference]: With dead ends: 87078 [2023-12-15 22:49:42,616 INFO L226 Difference]: Without dead ends: 58551 [2023-12-15 22:49:42,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:42,674 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 1171 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1189 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 442 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:42,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1189 Valid, 855 Invalid, 1601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [442 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 22:49:42,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58551 states. [2023-12-15 22:49:44,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58551 to 58473. [2023-12-15 22:49:44,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58473 states, 48210 states have (on average 1.6491806679112218) internal successors, (79507), 48218 states have internal predecessors, (79507), 10235 states have call successors, (10235), 23 states have call predecessors, (10235), 27 states have return successors, (11380), 10233 states have call predecessors, (11380), 10234 states have call successors, (11380) [2023-12-15 22:49:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58473 states to 58473 states and 101122 transitions. [2023-12-15 22:49:44,765 INFO L78 Accepts]: Start accepts. Automaton has 58473 states and 101122 transitions. Word has length 161 [2023-12-15 22:49:44,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:44,765 INFO L495 AbstractCegarLoop]: Abstraction has 58473 states and 101122 transitions. [2023-12-15 22:49:44,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:44,766 INFO L276 IsEmpty]: Start isEmpty. Operand 58473 states and 101122 transitions. [2023-12-15 22:49:44,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-15 22:49:44,822 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:44,823 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:44,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-15 22:49:44,823 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:44,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:44,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1232832856, now seen corresponding path program 1 times [2023-12-15 22:49:44,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:44,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442313685] [2023-12-15 22:49:44,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:44,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-15 22:49:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:49:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:49:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 22:49:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-15 22:49:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:49:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-15 22:49:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-15 22:49:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-15 22:49:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-15 22:49:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-15 22:49:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-15 22:49:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-15 22:49:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-15 22:49:44,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:44,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442313685] [2023-12-15 22:49:44,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442313685] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:44,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:44,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:44,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833532618] [2023-12-15 22:49:44,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:44,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:44,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:44,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:44,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:44,911 INFO L87 Difference]: Start difference. First operand 58473 states and 101122 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:47,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:47,852 INFO L93 Difference]: Finished difference Result 109402 states and 192975 transitions. [2023-12-15 22:49:47,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:47,852 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 162 [2023-12-15 22:49:47,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:48,376 INFO L225 Difference]: With dead ends: 109402 [2023-12-15 22:49:48,377 INFO L226 Difference]: Without dead ends: 109253 [2023-12-15 22:49:48,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:48,406 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1174 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 1590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:48,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 842 Invalid, 1590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 22:49:48,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109253 states. [2023-12-15 22:49:51,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109253 to 109175. [2023-12-15 22:49:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109175 states, 90544 states have (on average 1.6440404665135182) internal successors, (148858), 90552 states have internal predecessors, (148858), 18603 states have call successors, (18603), 23 states have call predecessors, (18603), 27 states have return successors, (20794), 18601 states have call predecessors, (20794), 18602 states have call successors, (20794) [2023-12-15 22:49:52,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109175 states to 109175 states and 188255 transitions. [2023-12-15 22:49:52,478 INFO L78 Accepts]: Start accepts. Automaton has 109175 states and 188255 transitions. Word has length 162 [2023-12-15 22:49:52,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:52,478 INFO L495 AbstractCegarLoop]: Abstraction has 109175 states and 188255 transitions. [2023-12-15 22:49:52,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-15 22:49:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 109175 states and 188255 transitions. [2023-12-15 22:49:52,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-15 22:49:52,550 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:52,550 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:52,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-15 22:49:52,550 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:52,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:52,551 INFO L85 PathProgramCache]: Analyzing trace with hash 628816652, now seen corresponding path program 1 times [2023-12-15 22:49:52,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:52,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490088358] [2023-12-15 22:49:52,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:52,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:52,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:49:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-15 22:49:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 22:49:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-15 22:49:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-15 22:49:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-15 22:49:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-15 22:49:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-15 22:49:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-15 22:49:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-15 22:49:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-15 22:49:53,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:53,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490088358] [2023-12-15 22:49:53,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490088358] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:49:53,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297606479] [2023-12-15 22:49:53,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:53,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:49:53,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:49:53,092 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:49:53,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-15 22:49:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:53,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-15 22:49:53,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:49:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-15 22:49:53,725 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:49:53,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297606479] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:53,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:49:53,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2023-12-15 22:49:53,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289438276] [2023-12-15 22:49:53,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:53,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 22:49:53,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:53,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 22:49:53,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-12-15 22:49:53,727 INFO L87 Difference]: Start difference. First operand 109175 states and 188255 transitions. Second operand has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2023-12-15 22:49:58,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:58,782 INFO L93 Difference]: Finished difference Result 217489 states and 380507 transitions. [2023-12-15 22:49:58,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 22:49:58,783 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) Word has length 145 [2023-12-15 22:49:58,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:59,987 INFO L225 Difference]: With dead ends: 217489 [2023-12-15 22:49:59,987 INFO L226 Difference]: Without dead ends: 217345 [2023-12-15 22:50:00,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=1169, Unknown=0, NotChecked=0, Total=1332 [2023-12-15 22:50:00,068 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 793 mSDsluCounter, 4459 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 5045 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 22:50:00,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 5045 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 22:50:00,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217345 states. [2023-12-15 22:50:06,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217345 to 217321. [2023-12-15 22:50:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217321 states, 180300 states have (on average 1.6447587354409319) internal successors, (296550), 180205 states have internal predecessors, (296550), 36954 states have call successors, (36954), 60 states have call predecessors, (36954), 66 states have return successors, (44610), 37061 states have call predecessors, (44610), 36951 states have call successors, (44610) [2023-12-15 22:50:08,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217321 states to 217321 states and 378114 transitions. [2023-12-15 22:50:08,531 INFO L78 Accepts]: Start accepts. Automaton has 217321 states and 378114 transitions. Word has length 145 [2023-12-15 22:50:08,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:50:08,531 INFO L495 AbstractCegarLoop]: Abstraction has 217321 states and 378114 transitions. [2023-12-15 22:50:08,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2023-12-15 22:50:08,532 INFO L276 IsEmpty]: Start isEmpty. Operand 217321 states and 378114 transitions. Received shutdown request... [2023-12-15 22:50:09,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-15 22:50:09,103 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 22:50:09,103 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 [2023-12-15 22:50:09,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:50:09,287 WARN L619 AbstractCegarLoop]: Verification canceled: while IsEmpty was searching accepting run (input had 217321 states). [2023-12-15 22:50:09,289 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:50:09,291 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:50:09,293 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:50:09,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:50:09 BoogieIcfgContainer [2023-12-15 22:50:09,295 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:50:09,296 INFO L158 Benchmark]: Toolchain (without parser) took 59227.10ms. Allocated memory was 232.8MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 191.8MB in the beginning and 5.3GB in the end (delta: -5.1GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2023-12-15 22:50:09,296 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 157.3MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:50:09,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.17ms. Allocated memory is still 232.8MB. Free memory was 191.3MB in the beginning and 149.9MB in the end (delta: 41.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2023-12-15 22:50:09,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.78ms. Allocated memory is still 232.8MB. Free memory was 149.9MB in the beginning and 144.6MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-15 22:50:09,298 INFO L158 Benchmark]: Boogie Preprocessor took 64.73ms. Allocated memory is still 232.8MB. Free memory was 144.6MB in the beginning and 138.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-15 22:50:09,298 INFO L158 Benchmark]: RCFGBuilder took 845.33ms. Allocated memory is still 232.8MB. Free memory was 138.3MB in the beginning and 159.1MB in the end (delta: -20.8MB). Peak memory consumption was 41.6MB. Max. memory is 8.0GB. [2023-12-15 22:50:09,298 INFO L158 Benchmark]: TraceAbstraction took 57712.34ms. Allocated memory was 232.8MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 158.6MB in the beginning and 5.3GB in the end (delta: -5.1GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2023-12-15 22:50:09,301 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 157.3MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 528.17ms. Allocated memory is still 232.8MB. Free memory was 191.3MB in the beginning and 149.9MB in the end (delta: 41.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.78ms. Allocated memory is still 232.8MB. Free memory was 149.9MB in the beginning and 144.6MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.73ms. Allocated memory is still 232.8MB. Free memory was 144.6MB in the beginning and 138.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 845.33ms. Allocated memory is still 232.8MB. Free memory was 138.3MB in the beginning and 159.1MB in the end (delta: -20.8MB). Peak memory consumption was 41.6MB. Max. memory is 8.0GB. * TraceAbstraction took 57712.34ms. Allocated memory was 232.8MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 158.6MB in the beginning and 5.3GB in the end (delta: -5.1GB). Peak memory consumption was 2.2GB. 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,"Test.i","") [48] - GenericResultAtLocation [Line: 368]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [368] - GenericResultAtLocation [Line: 419]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [419] - GenericResultAtLocation [Line: 1488]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1488] - GenericResultAtLocation [Line: 1523]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1523] - GenericResultAtLocation [Line: 1803]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1803] - GenericResultAtLocation [Line: 2019]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2019] - GenericResultAtLocation [Line: 2036]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2036] - GenericResultAtLocation [Line: 2045]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2045] - GenericResultAtLocation [Line: 2151]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2151] - GenericResultAtLocation [Line: 2517]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2517] * 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: 2041]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2041). Cancelled while IsEmpty was searching accepting run (input had 217321 states). - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 332 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.7s, OverallIterations: 21, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.9s, AutomataDifference: 30.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18823 SdHoareTripleChecker+Valid, 16.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18551 mSDsluCounter, 26991 SdHoareTripleChecker+Invalid, 14.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21037 mSDsCounter, 6579 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26427 IncrementalHoareTripleChecker+Invalid, 33006 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6579 mSolverCounterUnsat, 5954 mSDtfsCounter, 26427 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2017 GetRequests, 1735 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217321occurred in iteration=21, InterpolantAutomatonStates: 187, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 17.8s AutomataMinimizationTime, 21 MinimizatonAttempts, 1189 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 3833 NumberOfCodeBlocks, 3833 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 3933 ConstructedInterpolants, 0 QuantifiedInterpolants, 6881 SizeOfPredicates, 22 NumberOfNonLiveVariables, 7562 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 29 InterpolantComputations, 20 PerfectInterpolantSequences, 1082/1108 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