./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63bdee5cc43e6d0ce6e1fd7ff8178b7d4c48f0f239c647cbda6fb7b36603cc42 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 02:45:05,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 02:45:05,961 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 02:45:05,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 02:45:05,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 02:45:05,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 02:45:05,995 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 02:45:05,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 02:45:05,996 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 02:45:05,997 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 02:45:05,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 02:45:05,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 02:45:05,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 02:45:06,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 02:45:06,000 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 02:45:06,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 02:45:06,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 02:45:06,004 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 02:45:06,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 02:45:06,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 02:45:06,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 02:45:06,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 02:45:06,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 02:45:06,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 02:45:06,006 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 02:45:06,006 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 02:45:06,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 02:45:06,007 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 02:45:06,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 02:45:06,007 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 02:45:06,008 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 02:45:06,008 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 02:45:06,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:45:06,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 02:45:06,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 02:45:06,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 02:45:06,009 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 02:45:06,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 02:45:06,010 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 02:45:06,010 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 02:45:06,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 02:45:06,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 02:45:06,012 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63bdee5cc43e6d0ce6e1fd7ff8178b7d4c48f0f239c647cbda6fb7b36603cc42 [2024-10-11 02:45:06,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 02:45:06,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 02:45:06,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 02:45:06,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 02:45:06,299 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 02:45:06,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c [2024-10-11 02:45:07,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 02:45:07,972 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 02:45:07,973 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c [2024-10-11 02:45:07,999 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2e2dc829e/d8efe8fc64bf44a78df0f82d0981bc31/FLAG4f29d3326 [2024-10-11 02:45:08,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2e2dc829e/d8efe8fc64bf44a78df0f82d0981bc31 [2024-10-11 02:45:08,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 02:45:08,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 02:45:08,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 02:45:08,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 02:45:08,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 02:45:08,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:08,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c37ea24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08, skipping insertion in model container [2024-10-11 02:45:08,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:08,126 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 02:45:08,582 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c[32754,32767] [2024-10-11 02:45:08,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:45:08,714 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 02:45:08,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-10-11 02:45:08,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [460] [2024-10-11 02:45:08,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] [2024-10-11 02:45:08,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1051] [2024-10-11 02:45:08,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1201] [2024-10-11 02:45:08,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1499] [2024-10-11 02:45:08,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1508] [2024-10-11 02:45:08,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2578] [2024-10-11 02:45:08,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [2613] [2024-10-11 02:45:08,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2641] [2024-10-11 02:45:08,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2658] [2024-10-11 02:45:08,794 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c[32754,32767] [2024-10-11 02:45:08,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:45:08,879 INFO L204 MainTranslator]: Completed translation [2024-10-11 02:45:08,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08 WrapperNode [2024-10-11 02:45:08,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 02:45:08,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 02:45:08,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 02:45:08,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 02:45:08,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:08,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:08,969 INFO L138 Inliner]: procedures = 131, calls = 211, calls flagged for inlining = 55, calls inlined = 47, statements flattened = 923 [2024-10-11 02:45:08,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 02:45:08,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 02:45:08,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 02:45:08,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 02:45:08,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:08,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:08,993 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:09,026 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]. [2024-10-11 02:45:09,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:09,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:09,049 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:09,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:09,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:09,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:09,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 02:45:09,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 02:45:09,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 02:45:09,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 02:45:09,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08" (1/1) ... [2024-10-11 02:45:09,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:45:09,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:45:09,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 02:45:09,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 02:45:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-11 02:45:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-11 02:45:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-11 02:45:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-11 02:45:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-11 02:45:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-11 02:45:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-11 02:45:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-11 02:45:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-11 02:45:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-11 02:45:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-11 02:45:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-11 02:45:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-11 02:45:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-11 02:45:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-11 02:45:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-11 02:45:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-11 02:45:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-11 02:45:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-11 02:45:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-11 02:45:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-11 02:45:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-11 02:45:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-11 02:45:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-11 02:45:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-11 02:45:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-11 02:45:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-11 02:45:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-11 02:45:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 02:45:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-11 02:45:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-11 02:45:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-11 02:45:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-11 02:45:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-11 02:45:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-11 02:45:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-11 02:45:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-11 02:45:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-11 02:45:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-11 02:45:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-11 02:45:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-11 02:45:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-10-11 02:45:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-10-11 02:45:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-10-11 02:45:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-10-11 02:45:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-11 02:45:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-11 02:45:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-11 02:45:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-11 02:45:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-11 02:45:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-11 02:45:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-11 02:45:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-11 02:45:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 02:45:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 02:45:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 02:45:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 02:45:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-11 02:45:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-11 02:45:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-11 02:45:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-11 02:45:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 02:45:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 02:45:09,438 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 02:45:09,440 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 02:45:10,350 INFO L? ?]: Removed 502 outVars from TransFormulas that were not future-live. [2024-10-11 02:45:10,351 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 02:45:10,425 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 02:45:10,425 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 02:45:10,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:45:10 BoogieIcfgContainer [2024-10-11 02:45:10,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 02:45:10,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 02:45:10,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 02:45:10,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 02:45:10,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:45:08" (1/3) ... [2024-10-11 02:45:10,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a58cbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:45:10, skipping insertion in model container [2024-10-11 02:45:10,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:45:08" (2/3) ... [2024-10-11 02:45:10,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a58cbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:45:10, skipping insertion in model container [2024-10-11 02:45:10,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:45:10" (3/3) ... [2024-10-11 02:45:10,437 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product29.cil.c [2024-10-11 02:45:10,455 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 02:45:10,455 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 02:45:10,548 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 02:45:10,556 INFO L333 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, 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;@217b550c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 02:45:10,557 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 02:45:10,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 383 states, 290 states have (on average 1.603448275862069) internal successors, (465), 295 states have internal predecessors, (465), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-11 02:45:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 02:45:10,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:10,595 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:10,595 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:10,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:10,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1426745028, now seen corresponding path program 1 times [2024-10-11 02:45:10,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:10,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690479052] [2024-10-11 02:45:10,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:10,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:45:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:45:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:45:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 02:45:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 02:45:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:45:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:45:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:45:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:45:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:45:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:45:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,480 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 02:45:11,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:11,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690479052] [2024-10-11 02:45:11,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690479052] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:45:11,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936636664] [2024-10-11 02:45:11,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:11,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:45:11,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:45:11,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:45:11,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 02:45:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:11,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 02:45:11,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:45:11,866 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:45:11,867 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:45:11,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936636664] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:11,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:45:11,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-11 02:45:11,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72939673] [2024-10-11 02:45:11,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:11,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 02:45:11,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:11,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 02:45:11,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:45:11,908 INFO L87 Difference]: Start difference. First operand has 383 states, 290 states have (on average 1.603448275862069) internal successors, (465), 295 states have internal predecessors, (465), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:12,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:12,039 INFO L93 Difference]: Finished difference Result 586 states and 888 transitions. [2024-10-11 02:45:12,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 02:45:12,045 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 104 [2024-10-11 02:45:12,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:12,065 INFO L225 Difference]: With dead ends: 586 [2024-10-11 02:45:12,065 INFO L226 Difference]: Without dead ends: 380 [2024-10-11 02:45:12,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:45:12,074 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:12,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:45:12,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-10-11 02:45:12,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-10-11 02:45:12,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 288 states have (on average 1.5902777777777777) internal successors, (458), 292 states have internal predecessors, (458), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 02:45:12,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 583 transitions. [2024-10-11 02:45:12,155 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 583 transitions. Word has length 104 [2024-10-11 02:45:12,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:12,157 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 583 transitions. [2024-10-11 02:45:12,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:12,157 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 583 transitions. [2024-10-11 02:45:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 02:45:12,165 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:12,165 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:12,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 02:45:12,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-11 02:45:12,367 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:12,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:12,367 INFO L85 PathProgramCache]: Analyzing trace with hash 441958306, now seen corresponding path program 1 times [2024-10-11 02:45:12,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:12,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478337791] [2024-10-11 02:45:12,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:12,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:45:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:45:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:45:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 02:45:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 02:45:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:45:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:45:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:45:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:45:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:45:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:45:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 02:45:12,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:12,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478337791] [2024-10-11 02:45:12,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478337791] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:45:12,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344617488] [2024-10-11 02:45:12,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:12,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:45:12,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:45:12,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:45:12,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 02:45:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 02:45:13,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:45:13,125 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:45:13,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:45:13,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344617488] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:13,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:45:13,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:45:13,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696055705] [2024-10-11 02:45:13,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:13,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:45:13,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:13,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:45:13,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:45:13,131 INFO L87 Difference]: Start difference. First operand 380 states and 583 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:13,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:13,188 INFO L93 Difference]: Finished difference Result 582 states and 872 transitions. [2024-10-11 02:45:13,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:45:13,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 105 [2024-10-11 02:45:13,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:13,195 INFO L225 Difference]: With dead ends: 582 [2024-10-11 02:45:13,195 INFO L226 Difference]: Without dead ends: 382 [2024-10-11 02:45:13,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:45:13,198 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 0 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:13,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1143 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:45:13,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-10-11 02:45:13,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2024-10-11 02:45:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 290 states have (on average 1.5862068965517242) internal successors, (460), 294 states have internal predecessors, (460), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 02:45:13,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 585 transitions. [2024-10-11 02:45:13,243 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 585 transitions. Word has length 105 [2024-10-11 02:45:13,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:13,245 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 585 transitions. [2024-10-11 02:45:13,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:13,245 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 585 transitions. [2024-10-11 02:45:13,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-11 02:45:13,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:13,249 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:13,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 02:45:13,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:45:13,454 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:13,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:13,455 INFO L85 PathProgramCache]: Analyzing trace with hash -16361202, now seen corresponding path program 1 times [2024-10-11 02:45:13,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:13,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518007131] [2024-10-11 02:45:13,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:13,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:45:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:45:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:45:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 02:45:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 02:45:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:45:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:45:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:45:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:45:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:45:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:45:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:13,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:45:13,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:13,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518007131] [2024-10-11 02:45:13,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518007131] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:45:13,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549264371] [2024-10-11 02:45:13,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:13,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:45:13,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:45:13,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:45:13,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 02:45:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:45:14,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:45:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:45:14,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:45:14,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549264371] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:14,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:45:14,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:45:14,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979888493] [2024-10-11 02:45:14,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:14,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:45:14,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:14,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:45:14,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:45:14,124 INFO L87 Difference]: Start difference. First operand 382 states and 585 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:14,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:14,193 INFO L93 Difference]: Finished difference Result 808 states and 1255 transitions. [2024-10-11 02:45:14,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:45:14,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2024-10-11 02:45:14,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:14,197 INFO L225 Difference]: With dead ends: 808 [2024-10-11 02:45:14,197 INFO L226 Difference]: Without dead ends: 448 [2024-10-11 02:45:14,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:45:14,201 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 122 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:14,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1107 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:45:14,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-11 02:45:14,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 443. [2024-10-11 02:45:14,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 337 states have (on average 1.6023738872403561) internal successors, (540), 341 states have internal predecessors, (540), 77 states have call successors, (77), 28 states have call predecessors, (77), 28 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-11 02:45:14,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 693 transitions. [2024-10-11 02:45:14,239 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 693 transitions. Word has length 110 [2024-10-11 02:45:14,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:14,240 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 693 transitions. [2024-10-11 02:45:14,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 693 transitions. [2024-10-11 02:45:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 02:45:14,245 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:14,245 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:14,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 02:45:14,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:45:14,446 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:14,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:14,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2108423542, now seen corresponding path program 1 times [2024-10-11 02:45:14,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:14,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85854788] [2024-10-11 02:45:14,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:14,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:45:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:45:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:45:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 02:45:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 02:45:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:45:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:45:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:45:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:45:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:45:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:45:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,676 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:45:14,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:14,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85854788] [2024-10-11 02:45:14,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85854788] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:45:14,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807361401] [2024-10-11 02:45:14,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:14,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:45:14,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:45:14,679 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:45:14,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 02:45:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:14,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 1061 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 02:45:14,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:45:15,036 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 02:45:15,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:45:15,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807361401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:15,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:45:15,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-11 02:45:15,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463961948] [2024-10-11 02:45:15,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:15,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:45:15,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:15,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:45:15,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:45:15,043 INFO L87 Difference]: Start difference. First operand 443 states and 693 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:45:15,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:15,162 INFO L93 Difference]: Finished difference Result 881 states and 1380 transitions. [2024-10-11 02:45:15,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:45:15,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 111 [2024-10-11 02:45:15,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:15,166 INFO L225 Difference]: With dead ends: 881 [2024-10-11 02:45:15,166 INFO L226 Difference]: Without dead ends: 445 [2024-10-11 02:45:15,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:45:15,168 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 2 mSDsluCounter, 1681 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:15,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2245 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:45:15,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-10-11 02:45:15,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2024-10-11 02:45:15,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 338 states have (on average 1.6005917159763314) internal successors, (541), 343 states have internal predecessors, (541), 77 states have call successors, (77), 28 states have call predecessors, (77), 29 states have return successors, (78), 75 states have call predecessors, (78), 76 states have call successors, (78) [2024-10-11 02:45:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 696 transitions. [2024-10-11 02:45:15,188 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 696 transitions. Word has length 111 [2024-10-11 02:45:15,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:15,189 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 696 transitions. [2024-10-11 02:45:15,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:45:15,189 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 696 transitions. [2024-10-11 02:45:15,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 02:45:15,192 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:15,192 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:15,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 02:45:15,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:45:15,397 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:15,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:15,397 INFO L85 PathProgramCache]: Analyzing trace with hash 870114816, now seen corresponding path program 1 times [2024-10-11 02:45:15,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:15,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053785128] [2024-10-11 02:45:15,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:15,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 02:45:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 02:45:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 02:45:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:45:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:45:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:45:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:45:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:45:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:45:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:45:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 02:45:15,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:15,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053785128] [2024-10-11 02:45:15,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053785128] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:45:15,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381244579] [2024-10-11 02:45:15,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:15,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:45:15,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:45:15,658 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:45:15,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 02:45:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:15,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 02:45:15,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:45:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 02:45:16,019 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:45:16,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381244579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:16,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:45:16,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-11 02:45:16,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609968398] [2024-10-11 02:45:16,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:16,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:45:16,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:16,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:45:16,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:45:16,021 INFO L87 Difference]: Start difference. First operand 445 states and 696 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:45:16,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:16,119 INFO L93 Difference]: Finished difference Result 883 states and 1385 transitions. [2024-10-11 02:45:16,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:45:16,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 112 [2024-10-11 02:45:16,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:16,124 INFO L225 Difference]: With dead ends: 883 [2024-10-11 02:45:16,124 INFO L226 Difference]: Without dead ends: 447 [2024-10-11 02:45:16,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:45:16,127 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 2 mSDsluCounter, 1669 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2231 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:16,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2231 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:45:16,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-10-11 02:45:16,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2024-10-11 02:45:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 339 states have (on average 1.59882005899705) internal successors, (542), 345 states have internal predecessors, (542), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (83), 75 states have call predecessors, (83), 76 states have call successors, (83) [2024-10-11 02:45:16,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 702 transitions. [2024-10-11 02:45:16,150 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 702 transitions. Word has length 112 [2024-10-11 02:45:16,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:16,151 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 702 transitions. [2024-10-11 02:45:16,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:45:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 702 transitions. [2024-10-11 02:45:16,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 02:45:16,154 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:16,154 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:16,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 02:45:16,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:45:16,355 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:16,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:16,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1715588031, now seen corresponding path program 1 times [2024-10-11 02:45:16,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:16,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751731847] [2024-10-11 02:45:16,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:16,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 02:45:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 02:45:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:45:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:45:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:45:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:45:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:45:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:45:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:45:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:45:16,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:16,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751731847] [2024-10-11 02:45:16,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751731847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:16,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:16,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:45:16,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322016909] [2024-10-11 02:45:16,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:16,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:45:16,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:16,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:45:16,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:45:16,595 INFO L87 Difference]: Start difference. First operand 447 states and 702 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:45:18,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:18,750 INFO L93 Difference]: Finished difference Result 964 states and 1536 transitions. [2024-10-11 02:45:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:45:18,751 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 113 [2024-10-11 02:45:18,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:18,758 INFO L225 Difference]: With dead ends: 964 [2024-10-11 02:45:18,759 INFO L226 Difference]: Without dead ends: 536 [2024-10-11 02:45:18,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:45:18,762 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1300 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2437 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 2880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 2437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:18,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1301 Valid, 1149 Invalid, 2880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 2437 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-11 02:45:18,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-10-11 02:45:18,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 447. [2024-10-11 02:45:18,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 339 states have (on average 1.59882005899705) internal successors, (542), 345 states have internal predecessors, (542), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (82), 75 states have call predecessors, (82), 76 states have call successors, (82) [2024-10-11 02:45:18,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 701 transitions. [2024-10-11 02:45:18,830 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 701 transitions. Word has length 113 [2024-10-11 02:45:18,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:18,831 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 701 transitions. [2024-10-11 02:45:18,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:45:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 701 transitions. [2024-10-11 02:45:18,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-11 02:45:18,834 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:18,834 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:18,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 02:45:18,835 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:18,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:18,835 INFO L85 PathProgramCache]: Analyzing trace with hash -3210521, now seen corresponding path program 2 times [2024-10-11 02:45:18,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:18,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254994697] [2024-10-11 02:45:18,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:18,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:18,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:18,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:18,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:18,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:18,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:19,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 02:45:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:19,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 02:45:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:19,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 02:45:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:19,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:45:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:19,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:45:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:19,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:45:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:19,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:45:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:19,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:45:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:19,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:45:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:19,054 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:45:19,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:19,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254994697] [2024-10-11 02:45:19,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254994697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:19,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:19,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:45:19,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427997782] [2024-10-11 02:45:19,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:19,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:45:19,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:19,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:45:19,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:45:19,057 INFO L87 Difference]: Start difference. First operand 447 states and 701 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:45:21,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:21,099 INFO L93 Difference]: Finished difference Result 966 states and 1539 transitions. [2024-10-11 02:45:21,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:45:21,099 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 114 [2024-10-11 02:45:21,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:21,104 INFO L225 Difference]: With dead ends: 966 [2024-10-11 02:45:21,104 INFO L226 Difference]: Without dead ends: 538 [2024-10-11 02:45:21,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:45:21,106 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1295 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2466 mSolverCounterSat, 442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 2908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 442 IncrementalHoareTripleChecker+Valid, 2466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:21,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1296 Valid, 1151 Invalid, 2908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [442 Valid, 2466 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 02:45:21,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-11 02:45:21,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 449. [2024-10-11 02:45:21,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 340 states have (on average 1.5970588235294119) internal successors, (543), 347 states have internal predecessors, (543), 77 states have call successors, (77), 28 states have call predecessors, (77), 31 states have return successors, (84), 75 states have call predecessors, (84), 76 states have call successors, (84) [2024-10-11 02:45:21,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 704 transitions. [2024-10-11 02:45:21,150 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 704 transitions. Word has length 114 [2024-10-11 02:45:21,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:21,150 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 704 transitions. [2024-10-11 02:45:21,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:45:21,151 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 704 transitions. [2024-10-11 02:45:21,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 02:45:21,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:21,153 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:21,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 02:45:21,153 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:21,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:21,154 INFO L85 PathProgramCache]: Analyzing trace with hash -581701244, now seen corresponding path program 1 times [2024-10-11 02:45:21,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:21,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911056087] [2024-10-11 02:45:21,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:21,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:45:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 02:45:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 02:45:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:45:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:45:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:45:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:45:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:45:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:45:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 02:45:21,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:21,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911056087] [2024-10-11 02:45:21,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911056087] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:21,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:21,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:45:21,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886324873] [2024-10-11 02:45:21,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:21,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:45:21,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:21,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:45:21,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:45:21,450 INFO L87 Difference]: Start difference. First operand 449 states and 704 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-11 02:45:24,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:24,034 INFO L93 Difference]: Finished difference Result 964 states and 1534 transitions. [2024-10-11 02:45:24,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:45:24,035 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 115 [2024-10-11 02:45:24,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:24,040 INFO L225 Difference]: With dead ends: 964 [2024-10-11 02:45:24,040 INFO L226 Difference]: Without dead ends: 538 [2024-10-11 02:45:24,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:45:24,043 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1303 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 4094 mSolverCounterSat, 461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 4555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 4094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:24,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1304 Valid, 1598 Invalid, 4555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 4094 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 02:45:24,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-11 02:45:24,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 449. [2024-10-11 02:45:24,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 340 states have (on average 1.5970588235294119) internal successors, (543), 347 states have internal predecessors, (543), 77 states have call successors, (77), 28 states have call predecessors, (77), 31 states have return successors, (83), 75 states have call predecessors, (83), 76 states have call successors, (83) [2024-10-11 02:45:24,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 703 transitions. [2024-10-11 02:45:24,081 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 703 transitions. Word has length 115 [2024-10-11 02:45:24,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:24,081 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 703 transitions. [2024-10-11 02:45:24,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-11 02:45:24,082 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 703 transitions. [2024-10-11 02:45:24,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-11 02:45:24,085 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:24,085 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:24,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 02:45:24,085 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:24,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:24,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1604528121, now seen corresponding path program 2 times [2024-10-11 02:45:24,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:24,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194166550] [2024-10-11 02:45:24,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:24,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:45:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 02:45:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 02:45:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:45:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:45:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:45:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:45:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:45:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:45:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:24,403 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 02:45:24,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:24,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194166550] [2024-10-11 02:45:24,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194166550] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:24,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:24,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:45:24,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586248483] [2024-10-11 02:45:24,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:24,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:45:24,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:24,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:45:24,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:45:24,406 INFO L87 Difference]: Start difference. First operand 449 states and 703 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-11 02:45:26,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:26,738 INFO L93 Difference]: Finished difference Result 966 states and 1540 transitions. [2024-10-11 02:45:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:45:26,739 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 116 [2024-10-11 02:45:26,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:26,743 INFO L225 Difference]: With dead ends: 966 [2024-10-11 02:45:26,743 INFO L226 Difference]: Without dead ends: 540 [2024-10-11 02:45:26,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:45:26,745 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 1301 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 4103 mSolverCounterSat, 470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 4573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 4103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:26,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 1599 Invalid, 4573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [470 Valid, 4103 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 02:45:26,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-11 02:45:26,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 451. [2024-10-11 02:45:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 341 states have (on average 1.595307917888563) internal successors, (544), 349 states have internal predecessors, (544), 77 states have call successors, (77), 28 states have call predecessors, (77), 32 states have return successors, (88), 75 states have call predecessors, (88), 76 states have call successors, (88) [2024-10-11 02:45:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 709 transitions. [2024-10-11 02:45:26,782 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 709 transitions. Word has length 116 [2024-10-11 02:45:26,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:26,782 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 709 transitions. [2024-10-11 02:45:26,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-11 02:45:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 709 transitions. [2024-10-11 02:45:26,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-11 02:45:26,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:26,785 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:26,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 02:45:26,785 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:26,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:26,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1115241065, now seen corresponding path program 1 times [2024-10-11 02:45:26,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:26,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165890871] [2024-10-11 02:45:26,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:26,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:45:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:45:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 02:45:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:45:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:45:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:45:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:45:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:45:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:45:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:45:26,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:26,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165890871] [2024-10-11 02:45:26,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165890871] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:45:26,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031288931] [2024-10-11 02:45:26,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:26,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:45:26,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:45:26,967 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:45:26,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 02:45:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:27,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:45:27,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:45:27,305 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:45:27,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 02:45:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:45:27,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031288931] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 02:45:27,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 02:45:27,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-10-11 02:45:27,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593916808] [2024-10-11 02:45:27,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 02:45:27,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 02:45:27,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:27,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 02:45:27,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-11 02:45:27,402 INFO L87 Difference]: Start difference. First operand 451 states and 709 transitions. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-11 02:45:29,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:29,071 INFO L93 Difference]: Finished difference Result 1140 states and 1896 transitions. [2024-10-11 02:45:29,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 02:45:29,072 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 117 [2024-10-11 02:45:29,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:29,078 INFO L225 Difference]: With dead ends: 1140 [2024-10-11 02:45:29,079 INFO L226 Difference]: Without dead ends: 940 [2024-10-11 02:45:29,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:45:29,080 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 1773 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 2062 mSolverCounterSat, 636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1827 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 2698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 636 IncrementalHoareTripleChecker+Valid, 2062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:29,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1827 Valid, 1377 Invalid, 2698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [636 Valid, 2062 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 02:45:29,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-10-11 02:45:29,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 836. [2024-10-11 02:45:29,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 647 states have (on average 1.6522411128284389) internal successors, (1069), 655 states have internal predecessors, (1069), 156 states have call successors, (156), 28 states have call predecessors, (156), 32 states have return successors, (177), 154 states have call predecessors, (177), 155 states have call successors, (177) [2024-10-11 02:45:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1402 transitions. [2024-10-11 02:45:29,128 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1402 transitions. Word has length 117 [2024-10-11 02:45:29,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:29,129 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1402 transitions. [2024-10-11 02:45:29,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-11 02:45:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1402 transitions. [2024-10-11 02:45:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 02:45:29,134 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:29,134 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:29,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 02:45:29,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 02:45:29,339 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:29,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:29,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1461455450, now seen corresponding path program 1 times [2024-10-11 02:45:29,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:29,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958017176] [2024-10-11 02:45:29,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:29,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:45:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:45:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:45:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:45:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:45:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:45:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:45:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:45:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:45:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:29,456 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:45:29,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:29,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958017176] [2024-10-11 02:45:29,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958017176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:29,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:29,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:45:29,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380302571] [2024-10-11 02:45:29,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:29,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:45:29,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:29,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:45:29,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:45:29,458 INFO L87 Difference]: Start difference. First operand 836 states and 1402 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:30,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:30,768 INFO L93 Difference]: Finished difference Result 2088 states and 3591 transitions. [2024-10-11 02:45:30,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:45:30,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2024-10-11 02:45:30,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:30,778 INFO L225 Difference]: With dead ends: 2088 [2024-10-11 02:45:30,779 INFO L226 Difference]: Without dead ends: 1312 [2024-10-11 02:45:30,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:45:30,782 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1415 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 1899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:30,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 882 Invalid, 1899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1391 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 02:45:30,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2024-10-11 02:45:30,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1218. [2024-10-11 02:45:30,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 950 states have (on average 1.6642105263157896) internal successors, (1581), 958 states have internal predecessors, (1581), 235 states have call successors, (235), 28 states have call predecessors, (235), 32 states have return successors, (266), 233 states have call predecessors, (266), 234 states have call successors, (266) [2024-10-11 02:45:30,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 2082 transitions. [2024-10-11 02:45:30,845 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 2082 transitions. Word has length 123 [2024-10-11 02:45:30,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:30,846 INFO L471 AbstractCegarLoop]: Abstraction has 1218 states and 2082 transitions. [2024-10-11 02:45:30,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:30,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 2082 transitions. [2024-10-11 02:45:30,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 02:45:30,852 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:30,853 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:30,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 02:45:30,853 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:30,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:30,853 INFO L85 PathProgramCache]: Analyzing trace with hash -21624965, now seen corresponding path program 1 times [2024-10-11 02:45:30,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:30,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008388822] [2024-10-11 02:45:30,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:30,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:45:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:45:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:45:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:45:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:45:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:45:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:45:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:45:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 02:45:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:30,982 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:45:30,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:30,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008388822] [2024-10-11 02:45:30,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008388822] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:30,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:30,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:45:30,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793162071] [2024-10-11 02:45:30,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:30,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:45:30,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:30,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:45:30,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:45:30,984 INFO L87 Difference]: Start difference. First operand 1218 states and 2082 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:32,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:32,300 INFO L93 Difference]: Finished difference Result 3019 states and 5247 transitions. [2024-10-11 02:45:32,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:45:32,301 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 124 [2024-10-11 02:45:32,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:32,311 INFO L225 Difference]: With dead ends: 3019 [2024-10-11 02:45:32,312 INFO L226 Difference]: Without dead ends: 1911 [2024-10-11 02:45:32,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:45:32,317 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1417 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1436 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:32,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1436 Valid, 855 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 02:45:32,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2024-10-11 02:45:32,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1817. [2024-10-11 02:45:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1817 states, 1430 states have (on average 1.672027972027972) internal successors, (2391), 1438 states have internal predecessors, (2391), 354 states have call successors, (354), 28 states have call predecessors, (354), 32 states have return successors, (385), 352 states have call predecessors, (385), 353 states have call successors, (385) [2024-10-11 02:45:32,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 3130 transitions. [2024-10-11 02:45:32,418 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 3130 transitions. Word has length 124 [2024-10-11 02:45:32,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:32,418 INFO L471 AbstractCegarLoop]: Abstraction has 1817 states and 3130 transitions. [2024-10-11 02:45:32,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:32,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 3130 transitions. [2024-10-11 02:45:32,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-11 02:45:32,428 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:32,429 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:32,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 02:45:32,429 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:32,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:32,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1907369176, now seen corresponding path program 1 times [2024-10-11 02:45:32,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:32,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908939336] [2024-10-11 02:45:32,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:32,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:45:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:45:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:45:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:45:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:45:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 02:45:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:45:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 02:45:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:45:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:45:32,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:32,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908939336] [2024-10-11 02:45:32,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908939336] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:32,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:32,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:45:32,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315703768] [2024-10-11 02:45:32,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:32,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:45:32,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:32,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:45:32,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:45:32,534 INFO L87 Difference]: Start difference. First operand 1817 states and 3130 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:33,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:33,855 INFO L93 Difference]: Finished difference Result 4415 states and 7752 transitions. [2024-10-11 02:45:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:45:33,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2024-10-11 02:45:33,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:33,872 INFO L225 Difference]: With dead ends: 4415 [2024-10-11 02:45:33,872 INFO L226 Difference]: Without dead ends: 2828 [2024-10-11 02:45:33,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:45:33,880 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1417 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1436 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 1853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:33,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1436 Valid, 845 Invalid, 1853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 02:45:33,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2024-10-11 02:45:33,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2734. [2024-10-11 02:45:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2734 states, 2185 states have (on average 1.6787185354691077) internal successors, (3668), 2193 states have internal predecessors, (3668), 516 states have call successors, (516), 28 states have call predecessors, (516), 32 states have return successors, (563), 514 states have call predecessors, (563), 515 states have call successors, (563) [2024-10-11 02:45:33,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 4747 transitions. [2024-10-11 02:45:34,001 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 4747 transitions. Word has length 125 [2024-10-11 02:45:34,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:34,002 INFO L471 AbstractCegarLoop]: Abstraction has 2734 states and 4747 transitions. [2024-10-11 02:45:34,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:34,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 4747 transitions. [2024-10-11 02:45:34,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 02:45:34,016 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:34,016 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:34,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 02:45:34,017 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:34,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:34,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1906348484, now seen corresponding path program 1 times [2024-10-11 02:45:34,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:34,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534815230] [2024-10-11 02:45:34,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:34,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:45:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:45:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:45:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:45:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:45:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 02:45:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:45:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:45:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:45:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:34,177 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:45:34,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:34,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534815230] [2024-10-11 02:45:34,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534815230] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:34,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:34,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:45:34,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951961829] [2024-10-11 02:45:34,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:34,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:45:34,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:34,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:45:34,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:45:34,182 INFO L87 Difference]: Start difference. First operand 2734 states and 4747 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:35,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:35,643 INFO L93 Difference]: Finished difference Result 6615 states and 11712 transitions. [2024-10-11 02:45:35,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:45:35,643 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2024-10-11 02:45:35,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:35,667 INFO L225 Difference]: With dead ends: 6615 [2024-10-11 02:45:35,667 INFO L226 Difference]: Without dead ends: 4308 [2024-10-11 02:45:35,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:45:35,675 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 1410 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 1861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:35,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 842 Invalid, 1861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:45:35,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4308 states. [2024-10-11 02:45:35,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4308 to 4214. [2024-10-11 02:45:35,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4214 states, 3420 states have (on average 1.683625730994152) internal successors, (5758), 3428 states have internal predecessors, (5758), 761 states have call successors, (761), 28 states have call predecessors, (761), 32 states have return successors, (834), 759 states have call predecessors, (834), 760 states have call successors, (834) [2024-10-11 02:45:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4214 states to 4214 states and 7353 transitions. [2024-10-11 02:45:35,849 INFO L78 Accepts]: Start accepts. Automaton has 4214 states and 7353 transitions. Word has length 126 [2024-10-11 02:45:35,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:35,849 INFO L471 AbstractCegarLoop]: Abstraction has 4214 states and 7353 transitions. [2024-10-11 02:45:35,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:35,850 INFO L276 IsEmpty]: Start isEmpty. Operand 4214 states and 7353 transitions. [2024-10-11 02:45:35,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-11 02:45:35,867 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:35,867 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:35,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 02:45:35,868 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:35,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:35,868 INFO L85 PathProgramCache]: Analyzing trace with hash -320663612, now seen corresponding path program 1 times [2024-10-11 02:45:35,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:35,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527502424] [2024-10-11 02:45:35,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:35,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:45:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:45:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:45:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:45:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:45:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:45:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:45:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 02:45:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 02:45:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:45:35,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:35,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527502424] [2024-10-11 02:45:35,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527502424] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:35,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:35,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:45:35,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682499183] [2024-10-11 02:45:35,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:35,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:45:35,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:35,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:45:35,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:45:35,988 INFO L87 Difference]: Start difference. First operand 4214 states and 7353 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:37,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:37,396 INFO L93 Difference]: Finished difference Result 10544 states and 18737 transitions. [2024-10-11 02:45:37,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:45:37,397 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 127 [2024-10-11 02:45:37,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:37,436 INFO L225 Difference]: With dead ends: 10544 [2024-10-11 02:45:37,436 INFO L226 Difference]: Without dead ends: 6980 [2024-10-11 02:45:37,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:45:37,454 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1410 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 522 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 1866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 522 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:37,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1429 Valid, 871 Invalid, 1866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [522 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:45:37,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6980 states. [2024-10-11 02:45:37,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6980 to 6886. [2024-10-11 02:45:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6886 states, 5599 states have (on average 1.6792284336488659) internal successors, (9402), 5607 states have internal predecessors, (9402), 1254 states have call successors, (1254), 28 states have call predecessors, (1254), 32 states have return successors, (1371), 1252 states have call predecessors, (1371), 1253 states have call successors, (1371) [2024-10-11 02:45:37,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6886 states to 6886 states and 12027 transitions. [2024-10-11 02:45:37,794 INFO L78 Accepts]: Start accepts. Automaton has 6886 states and 12027 transitions. Word has length 127 [2024-10-11 02:45:37,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:37,795 INFO L471 AbstractCegarLoop]: Abstraction has 6886 states and 12027 transitions. [2024-10-11 02:45:37,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:37,795 INFO L276 IsEmpty]: Start isEmpty. Operand 6886 states and 12027 transitions. [2024-10-11 02:45:37,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-11 02:45:37,819 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:37,820 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:37,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 02:45:37,820 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:37,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:37,820 INFO L85 PathProgramCache]: Analyzing trace with hash 671226272, now seen corresponding path program 1 times [2024-10-11 02:45:37,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:37,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002694362] [2024-10-11 02:45:37,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:37,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:45:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:45:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:45:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:45:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:45:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:45:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:45:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 02:45:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 02:45:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:45:37,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:37,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002694362] [2024-10-11 02:45:37,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002694362] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:37,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:37,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:45:37,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950078025] [2024-10-11 02:45:37,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:37,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:45:37,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:37,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:45:37,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:45:37,983 INFO L87 Difference]: Start difference. First operand 6886 states and 12027 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:39,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:39,427 INFO L93 Difference]: Finished difference Result 17523 states and 31148 transitions. [2024-10-11 02:45:39,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:45:39,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-10-11 02:45:39,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:39,490 INFO L225 Difference]: With dead ends: 17523 [2024-10-11 02:45:39,491 INFO L226 Difference]: Without dead ends: 11653 [2024-10-11 02:45:39,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:45:39,512 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1407 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1425 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 1884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 528 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:39,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1425 Valid, 850 Invalid, 1884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [528 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 02:45:39,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11653 states. [2024-10-11 02:45:39,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11653 to 11559. [2024-10-11 02:45:39,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11559 states, 9450 states have (on average 1.6792592592592592) internal successors, (15869), 9458 states have internal predecessors, (15869), 2076 states have call successors, (2076), 28 states have call predecessors, (2076), 32 states have return successors, (2271), 2074 states have call predecessors, (2271), 2075 states have call successors, (2271) [2024-10-11 02:45:39,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11559 states to 11559 states and 20216 transitions. [2024-10-11 02:45:40,006 INFO L78 Accepts]: Start accepts. Automaton has 11559 states and 20216 transitions. Word has length 128 [2024-10-11 02:45:40,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:40,007 INFO L471 AbstractCegarLoop]: Abstraction has 11559 states and 20216 transitions. [2024-10-11 02:45:40,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:40,007 INFO L276 IsEmpty]: Start isEmpty. Operand 11559 states and 20216 transitions. [2024-10-11 02:45:40,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-11 02:45:40,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:40,040 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:40,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 02:45:40,041 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:40,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:40,041 INFO L85 PathProgramCache]: Analyzing trace with hash -290801882, now seen corresponding path program 1 times [2024-10-11 02:45:40,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:40,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29475797] [2024-10-11 02:45:40,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:40,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:45:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:45:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:45:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:45:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:45:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:45:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:45:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 02:45:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 02:45:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:40,158 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:45:40,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:40,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29475797] [2024-10-11 02:45:40,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29475797] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:40,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:40,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:45:40,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681220183] [2024-10-11 02:45:40,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:40,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:45:40,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:40,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:45:40,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:45:40,160 INFO L87 Difference]: Start difference. First operand 11559 states and 20216 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:41,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:41,761 INFO L93 Difference]: Finished difference Result 27649 states and 48966 transitions. [2024-10-11 02:45:41,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:45:41,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2024-10-11 02:45:41,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:41,849 INFO L225 Difference]: With dead ends: 27649 [2024-10-11 02:45:41,850 INFO L226 Difference]: Without dead ends: 18037 [2024-10-11 02:45:41,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:45:41,889 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1402 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1420 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 1864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:41,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1420 Valid, 818 Invalid, 1864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [504 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 02:45:41,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18037 states. [2024-10-11 02:45:42,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18037 to 17943. [2024-10-11 02:45:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17943 states, 14631 states have (on average 1.6557993301893241) internal successors, (24226), 14639 states have internal predecessors, (24226), 3279 states have call successors, (3279), 28 states have call predecessors, (3279), 32 states have return successors, (3618), 3277 states have call predecessors, (3618), 3278 states have call successors, (3618) [2024-10-11 02:45:42,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17943 states to 17943 states and 31123 transitions. [2024-10-11 02:45:42,706 INFO L78 Accepts]: Start accepts. Automaton has 17943 states and 31123 transitions. Word has length 129 [2024-10-11 02:45:42,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:42,706 INFO L471 AbstractCegarLoop]: Abstraction has 17943 states and 31123 transitions. [2024-10-11 02:45:42,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand 17943 states and 31123 transitions. [2024-10-11 02:45:42,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-11 02:45:42,738 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:42,738 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:42,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 02:45:42,739 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:42,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:42,739 INFO L85 PathProgramCache]: Analyzing trace with hash 2049209345, now seen corresponding path program 1 times [2024-10-11 02:45:42,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:42,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870151232] [2024-10-11 02:45:42,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:42,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:45:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:45:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:45:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:45:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:45:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:45:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:45:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:45:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 02:45:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:45:42,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:42,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870151232] [2024-10-11 02:45:42,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870151232] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:42,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:42,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:45:42,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819489777] [2024-10-11 02:45:42,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:42,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:45:42,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:42,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:45:42,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:45:42,848 INFO L87 Difference]: Start difference. First operand 17943 states and 31123 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:44,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:44,765 INFO L93 Difference]: Finished difference Result 47474 states and 83873 transitions. [2024-10-11 02:45:44,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:45:44,766 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-10-11 02:45:44,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:44,916 INFO L225 Difference]: With dead ends: 47474 [2024-10-11 02:45:44,916 INFO L226 Difference]: Without dead ends: 32070 [2024-10-11 02:45:44,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:45:44,973 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1403 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1422 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 1855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:44,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1422 Valid, 842 Invalid, 1855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 02:45:45,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32070 states. [2024-10-11 02:45:46,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32070 to 31976. [2024-10-11 02:45:46,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31976 states, 26214 states have (on average 1.6529335469596398) internal successors, (43330), 26222 states have internal predecessors, (43330), 5729 states have call successors, (5729), 28 states have call predecessors, (5729), 32 states have return successors, (6342), 5727 states have call predecessors, (6342), 5728 states have call successors, (6342) [2024-10-11 02:45:46,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31976 states to 31976 states and 55401 transitions. [2024-10-11 02:45:46,581 INFO L78 Accepts]: Start accepts. Automaton has 31976 states and 55401 transitions. Word has length 130 [2024-10-11 02:45:46,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:46,585 INFO L471 AbstractCegarLoop]: Abstraction has 31976 states and 55401 transitions. [2024-10-11 02:45:46,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:46,586 INFO L276 IsEmpty]: Start isEmpty. Operand 31976 states and 55401 transitions. [2024-10-11 02:45:46,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-11 02:45:46,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:46,623 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:46,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 02:45:46,624 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:46,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:46,624 INFO L85 PathProgramCache]: Analyzing trace with hash -403604576, now seen corresponding path program 1 times [2024-10-11 02:45:46,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:46,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276412953] [2024-10-11 02:45:46,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:46,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:45:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:45:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:45:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:45:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:45:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:45:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:45:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 02:45:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 02:45:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:46,728 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:45:46,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:46,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276412953] [2024-10-11 02:45:46,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276412953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:46,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:46,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:45:46,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719419225] [2024-10-11 02:45:46,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:46,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:45:46,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:46,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:45:46,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:45:46,731 INFO L87 Difference]: Start difference. First operand 31976 states and 55401 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:49,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:49,664 INFO L93 Difference]: Finished difference Result 87196 states and 153332 transitions. [2024-10-11 02:45:49,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:45:49,665 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2024-10-11 02:45:49,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:49,965 INFO L225 Difference]: With dead ends: 87196 [2024-10-11 02:45:49,965 INFO L226 Difference]: Without dead ends: 58618 [2024-10-11 02:45:50,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:45:50,056 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1398 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:50,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 849 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 02:45:50,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58618 states. [2024-10-11 02:45:52,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58618 to 58524. [2024-10-11 02:45:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58524 states, 48249 states have (on average 1.6490289954195942) internal successors, (79564), 48257 states have internal predecessors, (79564), 10242 states have call successors, (10242), 28 states have call predecessors, (10242), 32 states have return successors, (11387), 10240 states have call predecessors, (11387), 10241 states have call successors, (11387) [2024-10-11 02:45:52,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58524 states to 58524 states and 101193 transitions. [2024-10-11 02:45:52,494 INFO L78 Accepts]: Start accepts. Automaton has 58524 states and 101193 transitions. Word has length 131 [2024-10-11 02:45:52,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:45:52,495 INFO L471 AbstractCegarLoop]: Abstraction has 58524 states and 101193 transitions. [2024-10-11 02:45:52,495 INFO L472 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:52,495 INFO L276 IsEmpty]: Start isEmpty. Operand 58524 states and 101193 transitions. [2024-10-11 02:45:52,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-11 02:45:52,558 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:45:52,558 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:45:52,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 02:45:52,558 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:45:52,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:45:52,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1420981825, now seen corresponding path program 1 times [2024-10-11 02:45:52,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:45:52,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208753508] [2024-10-11 02:45:52,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:45:52,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:45:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:45:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:45:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:45:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:45:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:45:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:45:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:45:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:45:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:45:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:45:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:45:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:45:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:45:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 02:45:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:45:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:45:52,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:45:52,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208753508] [2024-10-11 02:45:52,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208753508] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:45:52,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:45:52,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:45:52,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537495439] [2024-10-11 02:45:52,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:45:52,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:45:52,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:45:52,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:45:52,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:45:52,693 INFO L87 Difference]: Start difference. First operand 58524 states and 101193 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:45:56,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:45:56,240 INFO L93 Difference]: Finished difference Result 109520 states and 193143 transitions. [2024-10-11 02:45:56,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:45:56,241 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-10-11 02:45:56,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:45:56,724 INFO L225 Difference]: With dead ends: 109520 [2024-10-11 02:45:56,724 INFO L226 Difference]: Without dead ends: 109320 [2024-10-11 02:45:56,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:45:56,789 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1398 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1415 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:45:56,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1415 Valid, 857 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:45:56,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109320 states. [2024-10-11 02:46:00,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109320 to 109226. [2024-10-11 02:46:00,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109226 states, 90583 states have (on average 1.6439618913041079) internal successors, (148915), 90591 states have internal predecessors, (148915), 18610 states have call successors, (18610), 28 states have call predecessors, (18610), 32 states have return successors, (20801), 18608 states have call predecessors, (20801), 18609 states have call successors, (20801) [2024-10-11 02:46:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109226 states to 109226 states and 188326 transitions. [2024-10-11 02:46:00,978 INFO L78 Accepts]: Start accepts. Automaton has 109226 states and 188326 transitions. Word has length 132 [2024-10-11 02:46:00,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:46:00,979 INFO L471 AbstractCegarLoop]: Abstraction has 109226 states and 188326 transitions. [2024-10-11 02:46:00,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:46:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 109226 states and 188326 transitions. [2024-10-11 02:46:01,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-11 02:46:01,041 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:46:01,041 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:46:01,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 02:46:01,042 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:46:01,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:46:01,042 INFO L85 PathProgramCache]: Analyzing trace with hash -58297921, now seen corresponding path program 1 times [2024-10-11 02:46:01,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:46:01,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345472715] [2024-10-11 02:46:01,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:46:01,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:46:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:46:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:46:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:46:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:46:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:46:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:46:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:46:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:46:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:46:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:46:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:46:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:46:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:46:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 02:46:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:46:01,992 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:46:01,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:46:01,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345472715] [2024-10-11 02:46:01,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345472715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:46:01,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:46:01,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-10-11 02:46:01,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024294610] [2024-10-11 02:46:01,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:46:01,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 02:46:01,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:46:01,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 02:46:01,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2024-10-11 02:46:01,995 INFO L87 Difference]: Start difference. First operand 109226 states and 188326 transitions. Second operand has 18 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-11 02:46:12,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:46:12,678 INFO L93 Difference]: Finished difference Result 218060 states and 387944 transitions. [2024-10-11 02:46:12,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-11 02:46:12,679 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 133 [2024-10-11 02:46:12,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:46:13,758 INFO L225 Difference]: With dead ends: 218060 [2024-10-11 02:46:13,758 INFO L226 Difference]: Without dead ends: 217865 [2024-10-11 02:46:13,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1184 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=836, Invalid=3586, Unknown=0, NotChecked=0, Total=4422 [2024-10-11 02:46:13,838 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 5153 mSDsluCounter, 2818 mSDsCounter, 0 mSdLazyCounter, 8313 mSolverCounterSat, 1923 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5153 SdHoareTripleChecker+Valid, 3057 SdHoareTripleChecker+Invalid, 10236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1923 IncrementalHoareTripleChecker+Valid, 8313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-11 02:46:13,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5153 Valid, 3057 Invalid, 10236 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1923 Valid, 8313 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-11 02:46:13,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217865 states.