./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_spec4_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 82e24cc91d79ad041473748268d13bac909e458d30ed1ab080cccaeb5ccb7cec --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 21:57:17,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 21:57:17,752 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 21:57:17,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 21:57:17,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 21:57:17,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 21:57:17,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 21:57:17,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 21:57:17,796 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 21:57:17,798 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 21:57:17,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 21:57:17,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 21:57:17,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 21:57:17,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 21:57:17,803 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 21:57:17,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 21:57:17,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 21:57:17,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 21:57:17,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 21:57:17,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 21:57:17,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 21:57:17,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 21:57:17,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 21:57:17,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 21:57:17,806 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 21:57:17,806 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 21:57:17,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 21:57:17,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 21:57:17,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 21:57:17,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 21:57:17,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 21:57:17,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 21:57:17,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 21:57:17,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 21:57:17,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 21:57:17,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 21:57:17,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 21:57:17,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 21:57:17,809 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 21:57:17,809 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 21:57:17,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 21:57:17,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 21:57:17,812 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82e24cc91d79ad041473748268d13bac909e458d30ed1ab080cccaeb5ccb7cec [2024-11-19 21:57:18,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 21:57:18,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 21:57:18,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 21:57:18,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 21:57:18,110 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 21:57:18,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c [2024-11-19 21:57:19,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 21:57:19,803 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 21:57:19,803 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c [2024-11-19 21:57:19,825 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35528a54f/0637c65be8474ffcb052467b19a8c7f0/FLAGdce9ab050 [2024-11-19 21:57:19,839 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35528a54f/0637c65be8474ffcb052467b19a8c7f0 [2024-11-19 21:57:19,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 21:57:19,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 21:57:19,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 21:57:19,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 21:57:19,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 21:57:19,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:57:19" (1/1) ... [2024-11-19 21:57:19,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d1a092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:19, skipping insertion in model container [2024-11-19 21:57:19,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:57:19" (1/1) ... [2024-11-19 21:57:19,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 21:57:20,151 WARN L250 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_spec4_product34.cil.c[1542,1555] [2024-11-19 21:57:20,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 21:57:20,594 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 21:57:20,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-19 21:57:20,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [57] [2024-11-19 21:57:20,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [389] [2024-11-19 21:57:20,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1458] [2024-11-19 21:57:20,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1874] [2024-11-19 21:57:20,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2273] [2024-11-19 21:57:20,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2492] [2024-11-19 21:57:20,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2527] [2024-11-19 21:57:20,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2554] [2024-11-19 21:57:20,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2571] [2024-11-19 21:57:20,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2706] [2024-11-19 21:57:20,610 WARN L250 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_spec4_product34.cil.c[1542,1555] [2024-11-19 21:57:20,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 21:57:20,779 INFO L204 MainTranslator]: Completed translation [2024-11-19 21:57:20,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20 WrapperNode [2024-11-19 21:57:20,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 21:57:20,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 21:57:20,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 21:57:20,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 21:57:20,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20" (1/1) ... [2024-11-19 21:57:20,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20" (1/1) ... [2024-11-19 21:57:20,906 INFO L138 Inliner]: procedures = 134, calls = 219, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1103 [2024-11-19 21:57:20,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 21:57:20,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 21:57:20,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 21:57:20,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 21:57:20,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20" (1/1) ... [2024-11-19 21:57:20,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20" (1/1) ... [2024-11-19 21:57:20,934 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20" (1/1) ... [2024-11-19 21:57:20,971 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]. [2024-11-19 21:57:20,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20" (1/1) ... [2024-11-19 21:57:20,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20" (1/1) ... [2024-11-19 21:57:20,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20" (1/1) ... [2024-11-19 21:57:21,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20" (1/1) ... [2024-11-19 21:57:21,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20" (1/1) ... [2024-11-19 21:57:21,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20" (1/1) ... [2024-11-19 21:57:21,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 21:57:21,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 21:57:21,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 21:57:21,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 21:57:21,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20" (1/1) ... [2024-11-19 21:57:21,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 21:57:21,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:57:21,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 21:57:21,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 21:57:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-19 21:57:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-19 21:57:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-19 21:57:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-19 21:57:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-19 21:57:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-19 21:57:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-19 21:57:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-19 21:57:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-19 21:57:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-19 21:57:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-19 21:57:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-19 21:57:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-19 21:57:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-19 21:57:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-19 21:57:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-19 21:57:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-19 21:57:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-19 21:57:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-19 21:57:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-19 21:57:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-19 21:57:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-19 21:57:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-19 21:57:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-19 21:57:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-19 21:57:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-19 21:57:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-19 21:57:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-19 21:57:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 21:57:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-19 21:57:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-19 21:57:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-19 21:57:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-19 21:57:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-19 21:57:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-19 21:57:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-19 21:57:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-19 21:57:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-19 21:57:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-19 21:57:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-19 21:57:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-19 21:57:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-19 21:57:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-19 21:57:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-19 21:57:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-19 21:57:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-19 21:57:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-19 21:57:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-19 21:57:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-19 21:57:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-19 21:57:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-19 21:57:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-19 21:57:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-19 21:57:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 21:57:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 21:57:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 21:57:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 21:57:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-19 21:57:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-19 21:57:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-19 21:57:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-19 21:57:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 21:57:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 21:57:21,321 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 21:57:21,323 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 21:57:22,282 INFO L? ?]: Removed 584 outVars from TransFormulas that were not future-live. [2024-11-19 21:57:22,282 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 21:57:22,311 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 21:57:22,315 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 21:57:22,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:57:22 BoogieIcfgContainer [2024-11-19 21:57:22,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 21:57:22,318 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 21:57:22,318 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 21:57:22,322 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 21:57:22,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:57:19" (1/3) ... [2024-11-19 21:57:22,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f1d425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:57:22, skipping insertion in model container [2024-11-19 21:57:22,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:20" (2/3) ... [2024-11-19 21:57:22,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f1d425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:57:22, skipping insertion in model container [2024-11-19 21:57:22,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:57:22" (3/3) ... [2024-11-19 21:57:22,327 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product34.cil.c [2024-11-19 21:57:22,345 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 21:57:22,345 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 21:57:22,436 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 21:57:22,445 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;@46f8b6ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 21:57:22,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 21:57:22,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 447 states, 346 states have (on average 1.5375722543352601) internal successors, (532), 351 states have internal predecessors, (532), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-19 21:57:22,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-19 21:57:22,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:22,481 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:22,481 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:22,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:22,486 INFO L85 PathProgramCache]: Analyzing trace with hash 469008212, now seen corresponding path program 1 times [2024-11-19 21:57:22,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:22,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580386562] [2024-11-19 21:57:22,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:22,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:57:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:57:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:57:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-19 21:57:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-19 21:57:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:57:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 21:57:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 21:57:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 21:57:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 21:57:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-19 21:57:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:57:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-19 21:57:23,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:23,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580386562] [2024-11-19 21:57:23,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580386562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:57:23,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021446729] [2024-11-19 21:57:23,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:23,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:23,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:57:23,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:57:23,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 21:57:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:23,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 21:57:23,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:57:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-19 21:57:23,839 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:57:23,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021446729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:23,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:57:23,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-19 21:57:23,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517030872] [2024-11-19 21:57:23,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:23,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 21:57:23,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:23,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 21:57:23,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:57:23,882 INFO L87 Difference]: Start difference. First operand has 447 states, 346 states have (on average 1.5375722543352601) internal successors, (532), 351 states have internal predecessors, (532), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:57:23,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:23,981 INFO L93 Difference]: Finished difference Result 701 states and 1038 transitions. [2024-11-19 21:57:23,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 21:57:23,986 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2024-11-19 21:57:23,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:24,007 INFO L225 Difference]: With dead ends: 701 [2024-11-19 21:57:24,007 INFO L226 Difference]: Without dead ends: 440 [2024-11-19 21:57:24,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:57:24,024 INFO L432 NwaCegarLoop]: 670 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:24,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:57:24,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-19 21:57:24,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2024-11-19 21:57:24,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 340 states have (on average 1.5323529411764707) internal successors, (521), 344 states have internal predecessors, (521), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-19 21:57:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 662 transitions. [2024-11-19 21:57:24,098 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 662 transitions. Word has length 116 [2024-11-19 21:57:24,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:24,100 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 662 transitions. [2024-11-19 21:57:24,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:57:24,101 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 662 transitions. [2024-11-19 21:57:24,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-19 21:57:24,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:24,106 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:24,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 21:57:24,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 21:57:24,311 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:24,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:24,311 INFO L85 PathProgramCache]: Analyzing trace with hash 2007258461, now seen corresponding path program 1 times [2024-11-19 21:57:24,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:24,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091493025] [2024-11-19 21:57:24,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:24,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:57:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:57:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:57:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-19 21:57:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-19 21:57:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 21:57:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 21:57:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 21:57:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 21:57:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:57:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:57:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:57:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 21:57:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 21:57:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:57:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:57:24,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:24,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091493025] [2024-11-19 21:57:24,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091493025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:57:24,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970498400] [2024-11-19 21:57:24,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:24,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:24,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:57:24,700 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:57:24,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 21:57:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 21:57:25,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:57:25,116 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 21:57:25,117 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:57:25,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970498400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:25,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:57:25,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 21:57:25,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807797836] [2024-11-19 21:57:25,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:25,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 21:57:25,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:25,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 21:57:25,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:57:25,120 INFO L87 Difference]: Start difference. First operand 440 states and 662 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:25,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:25,168 INFO L93 Difference]: Finished difference Result 691 states and 1016 transitions. [2024-11-19 21:57:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 21:57:25,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 136 [2024-11-19 21:57:25,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:25,174 INFO L225 Difference]: With dead ends: 691 [2024-11-19 21:57:25,174 INFO L226 Difference]: Without dead ends: 443 [2024-11-19 21:57:25,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:57:25,181 INFO L432 NwaCegarLoop]: 660 mSDtfsCounter, 1 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:25,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1318 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:57:25,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-19 21:57:25,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 442. [2024-11-19 21:57:25,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 342 states have (on average 1.5292397660818713) internal successors, (523), 346 states have internal predecessors, (523), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-19 21:57:25,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 664 transitions. [2024-11-19 21:57:25,232 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 664 transitions. Word has length 136 [2024-11-19 21:57:25,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:25,233 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 664 transitions. [2024-11-19 21:57:25,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 664 transitions. [2024-11-19 21:57:25,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-19 21:57:25,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:25,238 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:25,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 21:57:25,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-19 21:57:25,439 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:25,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:25,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1480428474, now seen corresponding path program 1 times [2024-11-19 21:57:25,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:25,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179312950] [2024-11-19 21:57:25,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:25,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:57:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:57:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:57:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-19 21:57:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 21:57:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-19 21:57:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:57:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 21:57:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:57:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:57:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:57:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:57:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 21:57:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 21:57:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-19 21:57:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-19 21:57:25,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:25,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179312950] [2024-11-19 21:57:25,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179312950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:57:25,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148731305] [2024-11-19 21:57:25,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:25,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:25,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:57:25,714 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:57:25,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 21:57:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 1200 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 21:57:26,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:57:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 21:57:26,082 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:57:26,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148731305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:26,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:57:26,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 21:57:26,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152462261] [2024-11-19 21:57:26,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:26,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 21:57:26,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:26,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 21:57:26,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:57:26,085 INFO L87 Difference]: Start difference. First operand 442 states and 664 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:26,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:26,127 INFO L93 Difference]: Finished difference Result 932 states and 1420 transitions. [2024-11-19 21:57:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 21:57:26,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 142 [2024-11-19 21:57:26,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:26,132 INFO L225 Difference]: With dead ends: 932 [2024-11-19 21:57:26,133 INFO L226 Difference]: Without dead ends: 517 [2024-11-19 21:57:26,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:57:26,138 INFO L432 NwaCegarLoop]: 673 mSDtfsCounter, 134 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:26,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1288 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:57:26,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-19 21:57:26,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 509. [2024-11-19 21:57:26,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 395 states have (on average 1.549367088607595) internal successors, (612), 399 states have internal predecessors, (612), 85 states have call successors, (85), 28 states have call predecessors, (85), 28 states have return successors, (84), 83 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-19 21:57:26,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 781 transitions. [2024-11-19 21:57:26,177 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 781 transitions. Word has length 142 [2024-11-19 21:57:26,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:26,178 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 781 transitions. [2024-11-19 21:57:26,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 781 transitions. [2024-11-19 21:57:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-19 21:57:26,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:26,183 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:26,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 21:57:26,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:26,384 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:26,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:26,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2117041288, now seen corresponding path program 1 times [2024-11-19 21:57:26,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:26,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897578058] [2024-11-19 21:57:26,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:26,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:57:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:57:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:57:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 21:57:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-19 21:57:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 21:57:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:57:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 21:57:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:57:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:57:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 21:57:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 21:57:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-19 21:57:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:57:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-19 21:57:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-19 21:57:26,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:26,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897578058] [2024-11-19 21:57:26,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897578058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:57:26,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470003703] [2024-11-19 21:57:26,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:26,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:26,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:57:26,665 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:57:26,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 21:57:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 21:57:27,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:57:27,111 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-19 21:57:27,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:57:27,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470003703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:27,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:57:27,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-19 21:57:27,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424110467] [2024-11-19 21:57:27,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:27,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 21:57:27,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:27,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 21:57:27,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:57:27,115 INFO L87 Difference]: Start difference. First operand 509 states and 781 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:57:27,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:27,184 INFO L93 Difference]: Finished difference Result 1009 states and 1552 transitions. [2024-11-19 21:57:27,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 21:57:27,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 143 [2024-11-19 21:57:27,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:27,190 INFO L225 Difference]: With dead ends: 1009 [2024-11-19 21:57:27,190 INFO L226 Difference]: Without dead ends: 511 [2024-11-19 21:57:27,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:57:27,195 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 2 mSDsluCounter, 1951 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2605 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:27,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2605 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:57:27,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-19 21:57:27,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2024-11-19 21:57:27,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 396 states have (on average 1.547979797979798) internal successors, (613), 401 states have internal predecessors, (613), 85 states have call successors, (85), 28 states have call predecessors, (85), 29 states have return successors, (86), 83 states have call predecessors, (86), 84 states have call successors, (86) [2024-11-19 21:57:27,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 784 transitions. [2024-11-19 21:57:27,221 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 784 transitions. Word has length 143 [2024-11-19 21:57:27,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:27,222 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 784 transitions. [2024-11-19 21:57:27,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:57:27,222 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 784 transitions. [2024-11-19 21:57:27,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-19 21:57:27,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:27,225 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:27,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 21:57:27,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:27,429 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:27,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:27,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1254925525, now seen corresponding path program 1 times [2024-11-19 21:57:27,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:27,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837371137] [2024-11-19 21:57:27,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:27,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-19 21:57:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 21:57:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-19 21:57:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:57:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 21:57:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 21:57:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 21:57:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 21:57:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:57:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:57:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 21:57:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 21:57:27,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:27,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837371137] [2024-11-19 21:57:27,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837371137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:57:27,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328109983] [2024-11-19 21:57:27,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:27,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:27,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:57:27,712 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:57:27,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 21:57:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 21:57:28,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:57:28,095 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 21:57:28,095 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:57:28,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328109983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:28,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:57:28,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-19 21:57:28,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631540624] [2024-11-19 21:57:28,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:28,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 21:57:28,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:28,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 21:57:28,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 21:57:28,098 INFO L87 Difference]: Start difference. First operand 511 states and 784 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 21:57:28,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:28,165 INFO L93 Difference]: Finished difference Result 1011 states and 1557 transitions. [2024-11-19 21:57:28,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 21:57:28,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 125 [2024-11-19 21:57:28,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:28,169 INFO L225 Difference]: With dead ends: 1011 [2024-11-19 21:57:28,170 INFO L226 Difference]: Without dead ends: 513 [2024-11-19 21:57:28,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 21:57:28,173 INFO L432 NwaCegarLoop]: 652 mSDtfsCounter, 2 mSDsluCounter, 1939 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2591 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:28,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2591 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:57:28,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-11-19 21:57:28,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2024-11-19 21:57:28,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 397 states have (on average 1.5465994962216625) internal successors, (614), 403 states have internal predecessors, (614), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2024-11-19 21:57:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 790 transitions. [2024-11-19 21:57:28,202 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 790 transitions. Word has length 125 [2024-11-19 21:57:28,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:28,202 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 790 transitions. [2024-11-19 21:57:28,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 21:57:28,203 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 790 transitions. [2024-11-19 21:57:28,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-19 21:57:28,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:28,206 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:28,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 21:57:28,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:28,408 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:28,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:28,409 INFO L85 PathProgramCache]: Analyzing trace with hash -605863978, now seen corresponding path program 1 times [2024-11-19 21:57:28,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:28,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063212254] [2024-11-19 21:57:28,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:28,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-19 21:57:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-19 21:57:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 21:57:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 21:57:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 21:57:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 21:57:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 21:57:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 21:57:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 21:57:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-19 21:57:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:28,631 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 21:57:28,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:28,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063212254] [2024-11-19 21:57:28,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063212254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:28,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:28,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 21:57:28,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897374928] [2024-11-19 21:57:28,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:28,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 21:57:28,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:28,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 21:57:28,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:57:28,633 INFO L87 Difference]: Start difference. First operand 513 states and 790 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 21:57:31,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:31,479 INFO L93 Difference]: Finished difference Result 1207 states and 1875 transitions. [2024-11-19 21:57:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 21:57:31,480 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 126 [2024-11-19 21:57:31,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:31,485 INFO L225 Difference]: With dead ends: 1207 [2024-11-19 21:57:31,485 INFO L226 Difference]: Without dead ends: 717 [2024-11-19 21:57:31,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:57:31,488 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1499 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 3412 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 3910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 3412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:31,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 1337 Invalid, 3910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 3412 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-19 21:57:31,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-19 21:57:31,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 513. [2024-11-19 21:57:31,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 397 states have (on average 1.5465994962216625) internal successors, (614), 403 states have internal predecessors, (614), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (90), 83 states have call predecessors, (90), 84 states have call successors, (90) [2024-11-19 21:57:31,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 789 transitions. [2024-11-19 21:57:31,544 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 789 transitions. Word has length 126 [2024-11-19 21:57:31,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:31,544 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 789 transitions. [2024-11-19 21:57:31,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 21:57:31,545 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 789 transitions. [2024-11-19 21:57:31,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-19 21:57:31,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:31,548 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:31,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 21:57:31,548 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:31,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:31,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1558982815, now seen corresponding path program 1 times [2024-11-19 21:57:31,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:31,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012240907] [2024-11-19 21:57:31,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:31,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-19 21:57:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-19 21:57:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-19 21:57:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:57:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-19 21:57:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 21:57:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 21:57:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-19 21:57:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:57:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 21:57:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-19 21:57:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-19 21:57:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-19 21:57:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:31,833 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-19 21:57:31,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:31,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012240907] [2024-11-19 21:57:31,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012240907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:31,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:31,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 21:57:31,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121828677] [2024-11-19 21:57:31,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:31,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 21:57:31,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:31,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 21:57:31,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:57:31,836 INFO L87 Difference]: Start difference. First operand 513 states and 789 transitions. Second operand has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:57:34,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:34,599 INFO L93 Difference]: Finished difference Result 1209 states and 1878 transitions. [2024-11-19 21:57:34,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 21:57:34,600 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 146 [2024-11-19 21:57:34,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:34,606 INFO L225 Difference]: With dead ends: 1209 [2024-11-19 21:57:34,606 INFO L226 Difference]: Without dead ends: 719 [2024-11-19 21:57:34,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:57:34,610 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1492 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 3460 mSolverCounterSat, 490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 3950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 3460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:34,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 1339 Invalid, 3950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [490 Valid, 3460 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-19 21:57:34,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-19 21:57:34,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 515. [2024-11-19 21:57:34,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 405 states have internal predecessors, (615), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (92), 83 states have call predecessors, (92), 84 states have call successors, (92) [2024-11-19 21:57:34,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 792 transitions. [2024-11-19 21:57:34,652 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 792 transitions. Word has length 146 [2024-11-19 21:57:34,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:34,652 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 792 transitions. [2024-11-19 21:57:34,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:57:34,653 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 792 transitions. [2024-11-19 21:57:34,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-19 21:57:34,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:34,656 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:34,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 21:57:34,656 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:34,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:34,657 INFO L85 PathProgramCache]: Analyzing trace with hash 958892849, now seen corresponding path program 1 times [2024-11-19 21:57:34,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:34,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18701587] [2024-11-19 21:57:34,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:34,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 21:57:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 21:57:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:57:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 21:57:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:57:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:57:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 21:57:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 21:57:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-19 21:57:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 21:57:34,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:34,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18701587] [2024-11-19 21:57:34,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18701587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:34,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:34,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 21:57:34,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821796194] [2024-11-19 21:57:34,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:34,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 21:57:34,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:34,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 21:57:34,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:57:34,927 INFO L87 Difference]: Start difference. First operand 515 states and 792 transitions. Second operand has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-19 21:57:38,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:38,326 INFO L93 Difference]: Finished difference Result 1207 states and 1873 transitions. [2024-11-19 21:57:38,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 21:57:38,327 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 128 [2024-11-19 21:57:38,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:38,332 INFO L225 Difference]: With dead ends: 1207 [2024-11-19 21:57:38,333 INFO L226 Difference]: Without dead ends: 719 [2024-11-19 21:57:38,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-19 21:57:38,336 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1498 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 5772 mSolverCounterSat, 493 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1499 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 6265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 493 IncrementalHoareTripleChecker+Valid, 5772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:38,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1499 Valid, 1854 Invalid, 6265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [493 Valid, 5772 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-19 21:57:38,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-19 21:57:38,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 515. [2024-11-19 21:57:38,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 405 states have internal predecessors, (615), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2024-11-19 21:57:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 791 transitions. [2024-11-19 21:57:38,394 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 791 transitions. Word has length 128 [2024-11-19 21:57:38,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:38,395 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 791 transitions. [2024-11-19 21:57:38,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-19 21:57:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 791 transitions. [2024-11-19 21:57:38,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-19 21:57:38,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:38,399 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:38,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 21:57:38,399 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:38,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:38,400 INFO L85 PathProgramCache]: Analyzing trace with hash -12505178, now seen corresponding path program 2 times [2024-11-19 21:57:38,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:38,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044425126] [2024-11-19 21:57:38,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:38,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-19 21:57:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-19 21:57:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:57:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:57:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:57:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:57:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:57:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 21:57:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 21:57:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 21:57:38,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:38,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044425126] [2024-11-19 21:57:38,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044425126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:38,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:38,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 21:57:38,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847126350] [2024-11-19 21:57:38,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:38,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 21:57:38,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:38,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 21:57:38,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:57:38,679 INFO L87 Difference]: Start difference. First operand 515 states and 791 transitions. Second operand has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-19 21:57:41,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:41,728 INFO L93 Difference]: Finished difference Result 1209 states and 1879 transitions. [2024-11-19 21:57:41,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 21:57:41,729 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 129 [2024-11-19 21:57:41,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:41,734 INFO L225 Difference]: With dead ends: 1209 [2024-11-19 21:57:41,734 INFO L226 Difference]: Without dead ends: 721 [2024-11-19 21:57:41,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-19 21:57:41,737 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1496 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 5713 mSolverCounterSat, 506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 6219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 5713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:41,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 1854 Invalid, 6219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 5713 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-19 21:57:41,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2024-11-19 21:57:41,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 517. [2024-11-19 21:57:41,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 399 states have (on average 1.543859649122807) internal successors, (616), 407 states have internal predecessors, (616), 85 states have call successors, (85), 28 states have call predecessors, (85), 32 states have return successors, (96), 83 states have call predecessors, (96), 84 states have call successors, (96) [2024-11-19 21:57:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 797 transitions. [2024-11-19 21:57:41,795 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 797 transitions. Word has length 129 [2024-11-19 21:57:41,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:41,796 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 797 transitions. [2024-11-19 21:57:41,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-19 21:57:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 797 transitions. [2024-11-19 21:57:41,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-19 21:57:41,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:41,799 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:41,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 21:57:41,799 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:41,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:41,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1499767553, now seen corresponding path program 1 times [2024-11-19 21:57:41,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:41,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963766344] [2024-11-19 21:57:41,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:41,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:57:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-19 21:57:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:57:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:57:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:57:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:57:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:57:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 21:57:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 21:57:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:57:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-19 21:57:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-19 21:57:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-19 21:57:41,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:41,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963766344] [2024-11-19 21:57:41,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963766344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:41,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:41,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 21:57:41,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469703402] [2024-11-19 21:57:41,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:41,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 21:57:41,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:41,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 21:57:41,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:57:41,978 INFO L87 Difference]: Start difference. First operand 517 states and 797 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:57:44,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:44,129 INFO L93 Difference]: Finished difference Result 1211 states and 1882 transitions. [2024-11-19 21:57:44,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 21:57:44,130 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 149 [2024-11-19 21:57:44,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:44,135 INFO L225 Difference]: With dead ends: 1211 [2024-11-19 21:57:44,136 INFO L226 Difference]: Without dead ends: 721 [2024-11-19 21:57:44,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-11-19 21:57:44,139 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1493 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 3473 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 3970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 3473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:44,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 1330 Invalid, 3970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 3473 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-19 21:57:44,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2024-11-19 21:57:44,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 517. [2024-11-19 21:57:44,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 399 states have (on average 1.543859649122807) internal successors, (616), 407 states have internal predecessors, (616), 85 states have call successors, (85), 28 states have call predecessors, (85), 32 states have return successors, (96), 83 states have call predecessors, (96), 84 states have call successors, (96) [2024-11-19 21:57:44,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 797 transitions. [2024-11-19 21:57:44,180 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 797 transitions. Word has length 149 [2024-11-19 21:57:44,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:44,180 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 797 transitions. [2024-11-19 21:57:44,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:57:44,181 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 797 transitions. [2024-11-19 21:57:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-19 21:57:44,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:44,183 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:44,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 21:57:44,184 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:44,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:44,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1484941036, now seen corresponding path program 1 times [2024-11-19 21:57:44,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:44,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880349913] [2024-11-19 21:57:44,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:44,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:57:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-19 21:57:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:57:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:57:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-19 21:57:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:57:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 21:57:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 21:57:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-19 21:57:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,375 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:57:44,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:44,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880349913] [2024-11-19 21:57:44,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880349913] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:57:44,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437097699] [2024-11-19 21:57:44,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:44,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:44,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:57:44,379 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:57:44,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 21:57:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:44,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 21:57:44,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:57:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:57:44,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 21:57:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:57:44,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437097699] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 21:57:44,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 21:57:44,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-19 21:57:44,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225974432] [2024-11-19 21:57:44,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 21:57:44,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 21:57:44,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:44,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 21:57:44,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-19 21:57:44,863 INFO L87 Difference]: Start difference. First operand 517 states and 797 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 7 states have internal predecessors, (121), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-19 21:57:47,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:47,209 INFO L93 Difference]: Finished difference Result 1411 states and 2271 transitions. [2024-11-19 21:57:47,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 21:57:47,210 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 7 states have internal predecessors, (121), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 130 [2024-11-19 21:57:47,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:47,218 INFO L225 Difference]: With dead ends: 1411 [2024-11-19 21:57:47,218 INFO L226 Difference]: Without dead ends: 1163 [2024-11-19 21:57:47,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:57:47,221 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 2016 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 3534 mSolverCounterSat, 707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2073 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 4241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 707 IncrementalHoareTripleChecker+Valid, 3534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:47,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2073 Valid, 1613 Invalid, 4241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [707 Valid, 3534 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-19 21:57:47,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2024-11-19 21:57:47,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 935. [2024-11-19 21:57:47,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 738 states have (on average 1.6111111111111112) internal successors, (1189), 746 states have internal predecessors, (1189), 164 states have call successors, (164), 28 states have call predecessors, (164), 32 states have return successors, (185), 162 states have call predecessors, (185), 163 states have call successors, (185) [2024-11-19 21:57:47,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1538 transitions. [2024-11-19 21:57:47,284 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1538 transitions. Word has length 130 [2024-11-19 21:57:47,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:47,284 INFO L471 AbstractCegarLoop]: Abstraction has 935 states and 1538 transitions. [2024-11-19 21:57:47,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 7 states have internal predecessors, (121), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-19 21:57:47,285 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1538 transitions. [2024-11-19 21:57:47,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-19 21:57:47,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:47,290 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:47,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 21:57:47,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:47,491 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:47,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:47,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1927313743, now seen corresponding path program 1 times [2024-11-19 21:57:47,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:47,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502922920] [2024-11-19 21:57:47,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:47,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 21:57:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:57:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 21:57:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:57:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:57:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:57:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 21:57:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 21:57:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:57:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:57:47,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:47,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502922920] [2024-11-19 21:57:47,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502922920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:47,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:47,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:57:47,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691638577] [2024-11-19 21:57:47,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:47,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:57:47,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:47,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:57:47,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:57:47,612 INFO L87 Difference]: Start difference. First operand 935 states and 1538 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, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:57:49,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:49,608 INFO L93 Difference]: Finished difference Result 2429 states and 4072 transitions. [2024-11-19 21:57:49,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:57:49,609 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, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 136 [2024-11-19 21:57:49,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:49,617 INFO L225 Difference]: With dead ends: 2429 [2024-11-19 21:57:49,618 INFO L226 Difference]: Without dead ends: 1562 [2024-11-19 21:57:49,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:57:49,621 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1623 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 569 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1641 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 569 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:49,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1641 Valid, 1028 Invalid, 2527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [569 Valid, 1958 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 21:57:49,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2024-11-19 21:57:49,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1350. [2024-11-19 21:57:49,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1350 states, 1074 states have (on average 1.6284916201117319) internal successors, (1749), 1082 states have internal predecessors, (1749), 243 states have call successors, (243), 28 states have call predecessors, (243), 32 states have return successors, (274), 241 states have call predecessors, (274), 242 states have call successors, (274) [2024-11-19 21:57:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 2266 transitions. [2024-11-19 21:57:49,686 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 2266 transitions. Word has length 136 [2024-11-19 21:57:49,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:49,687 INFO L471 AbstractCegarLoop]: Abstraction has 1350 states and 2266 transitions. [2024-11-19 21:57:49,687 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, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:57:49,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 2266 transitions. [2024-11-19 21:57:49,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 21:57:49,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:49,694 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:49,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 21:57:49,694 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:49,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:49,695 INFO L85 PathProgramCache]: Analyzing trace with hash 641501231, now seen corresponding path program 1 times [2024-11-19 21:57:49,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:49,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643372442] [2024-11-19 21:57:49,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:49,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-19 21:57:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:57:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:57:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:57:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:57:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:57:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 21:57:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-19 21:57:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 21:57:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-19 21:57:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-19 21:57:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 21:57:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:57:49,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:49,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643372442] [2024-11-19 21:57:49,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643372442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:49,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:49,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:57:49,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406635098] [2024-11-19 21:57:49,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:49,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:57:49,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:49,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:57:49,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:57:49,821 INFO L87 Difference]: Start difference. First operand 1350 states and 2266 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:51,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:51,454 INFO L93 Difference]: Finished difference Result 3443 states and 5850 transitions. [2024-11-19 21:57:51,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:57:51,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-11-19 21:57:51,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:51,468 INFO L225 Difference]: With dead ends: 3443 [2024-11-19 21:57:51,469 INFO L226 Difference]: Without dead ends: 2214 [2024-11-19 21:57:51,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:57:51,475 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1626 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1882 mSolverCounterSat, 582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 2464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 582 IncrementalHoareTripleChecker+Valid, 1882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:51,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1645 Valid, 980 Invalid, 2464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [582 Valid, 1882 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 21:57:51,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2024-11-19 21:57:51,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2002. [2024-11-19 21:57:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2002 states, 1607 states have (on average 1.6403235843186061) internal successors, (2636), 1615 states have internal predecessors, (2636), 362 states have call successors, (362), 28 states have call predecessors, (362), 32 states have return successors, (393), 360 states have call predecessors, (393), 361 states have call successors, (393) [2024-11-19 21:57:51,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 2002 states and 3391 transitions. [2024-11-19 21:57:51,599 INFO L78 Accepts]: Start accepts. Automaton has 2002 states and 3391 transitions. Word has length 156 [2024-11-19 21:57:51,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:51,600 INFO L471 AbstractCegarLoop]: Abstraction has 2002 states and 3391 transitions. [2024-11-19 21:57:51,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:51,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 3391 transitions. [2024-11-19 21:57:51,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-19 21:57:51,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:51,612 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:51,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 21:57:51,613 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:51,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:51,613 INFO L85 PathProgramCache]: Analyzing trace with hash 2014098558, now seen corresponding path program 1 times [2024-11-19 21:57:51,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:51,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563103605] [2024-11-19 21:57:51,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:51,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 21:57:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:57:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:57:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:57:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:57:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 21:57:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 21:57:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-19 21:57:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-19 21:57:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-19 21:57:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-19 21:57:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-19 21:57:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:57:51,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:51,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563103605] [2024-11-19 21:57:51,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563103605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:51,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:51,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:57:51,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993650148] [2024-11-19 21:57:51,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:51,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:57:51,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:51,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:57:51,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:57:51,755 INFO L87 Difference]: Start difference. First operand 2002 states and 3391 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:53,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:53,424 INFO L93 Difference]: Finished difference Result 4973 states and 8552 transitions. [2024-11-19 21:57:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:57:53,424 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2024-11-19 21:57:53,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:53,442 INFO L225 Difference]: With dead ends: 4973 [2024-11-19 21:57:53,442 INFO L226 Difference]: Without dead ends: 3217 [2024-11-19 21:57:53,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:57:53,449 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1621 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1912 mSolverCounterSat, 567 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 2479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 567 IncrementalHoareTripleChecker+Valid, 1912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:53,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 981 Invalid, 2479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [567 Valid, 1912 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 21:57:53,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3217 states. [2024-11-19 21:57:53,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3217 to 3005. [2024-11-19 21:57:53,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3005 states, 2448 states have (on average 1.6495098039215685) internal successors, (4038), 2456 states have internal predecessors, (4038), 524 states have call successors, (524), 28 states have call predecessors, (524), 32 states have return successors, (571), 522 states have call predecessors, (571), 523 states have call successors, (571) [2024-11-19 21:57:53,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 5133 transitions. [2024-11-19 21:57:53,581 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 5133 transitions. Word has length 157 [2024-11-19 21:57:53,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:53,581 INFO L471 AbstractCegarLoop]: Abstraction has 3005 states and 5133 transitions. [2024-11-19 21:57:53,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:53,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 5133 transitions. [2024-11-19 21:57:53,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-19 21:57:53,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:53,596 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:53,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 21:57:53,597 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:53,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:53,597 INFO L85 PathProgramCache]: Analyzing trace with hash -479663120, now seen corresponding path program 1 times [2024-11-19 21:57:53,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:53,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450802449] [2024-11-19 21:57:53,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:53,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 21:57:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:57:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 21:57:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-19 21:57:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 21:57:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:57:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 21:57:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-19 21:57:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-19 21:57:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-19 21:57:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-19 21:57:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-19 21:57:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:57:53,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:53,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450802449] [2024-11-19 21:57:53,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450802449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:53,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:53,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:57:53,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594655756] [2024-11-19 21:57:53,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:53,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:57:53,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:53,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:57:53,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:57:53,735 INFO L87 Difference]: Start difference. First operand 3005 states and 5133 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:55,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:55,535 INFO L93 Difference]: Finished difference Result 7397 states and 12841 transitions. [2024-11-19 21:57:55,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:57:55,535 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2024-11-19 21:57:55,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:55,566 INFO L225 Difference]: With dead ends: 7397 [2024-11-19 21:57:55,566 INFO L226 Difference]: Without dead ends: 4842 [2024-11-19 21:57:55,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:57:55,578 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1616 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 2486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:55,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 981 Invalid, 2486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 21:57:55,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4842 states. [2024-11-19 21:57:55,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4842 to 4630. [2024-11-19 21:57:55,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4630 states, 3828 states have (on average 1.6559561128526645) internal successors, (6339), 3836 states have internal predecessors, (6339), 769 states have call successors, (769), 28 states have call predecessors, (769), 32 states have return successors, (842), 767 states have call predecessors, (842), 768 states have call successors, (842) [2024-11-19 21:57:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4630 states to 4630 states and 7950 transitions. [2024-11-19 21:57:55,804 INFO L78 Accepts]: Start accepts. Automaton has 4630 states and 7950 transitions. Word has length 158 [2024-11-19 21:57:55,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:55,805 INFO L471 AbstractCegarLoop]: Abstraction has 4630 states and 7950 transitions. [2024-11-19 21:57:55,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:55,805 INFO L276 IsEmpty]: Start isEmpty. Operand 4630 states and 7950 transitions. [2024-11-19 21:57:55,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-19 21:57:55,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:55,824 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:55,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 21:57:55,824 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:55,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:55,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1630030321, now seen corresponding path program 1 times [2024-11-19 21:57:55,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:55,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533814295] [2024-11-19 21:57:55,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:55,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 21:57:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:57:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 21:57:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 21:57:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 21:57:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:57:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-19 21:57:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-19 21:57:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-19 21:57:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,961 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:57:55,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:55,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533814295] [2024-11-19 21:57:55,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533814295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:55,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:55,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:57:55,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39642373] [2024-11-19 21:57:55,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:55,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:57:55,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:55,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:57:55,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:57:55,963 INFO L87 Difference]: Start difference. First operand 4630 states and 7950 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:57:57,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:57,736 INFO L93 Difference]: Finished difference Result 11443 states and 20001 transitions. [2024-11-19 21:57:57,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:57:57,737 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 140 [2024-11-19 21:57:57,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:57,777 INFO L225 Difference]: With dead ends: 11443 [2024-11-19 21:57:57,777 INFO L226 Difference]: Without dead ends: 7575 [2024-11-19 21:57:57,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:57:57,792 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1617 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 1941 mSolverCounterSat, 575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1635 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 575 IncrementalHoareTripleChecker+Valid, 1941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:57,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1635 Valid, 995 Invalid, 2516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [575 Valid, 1941 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 21:57:57,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7575 states. [2024-11-19 21:57:58,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7575 to 7363. [2024-11-19 21:57:58,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7363 states, 6068 states have (on average 1.6552406064601186) internal successors, (10044), 6076 states have internal predecessors, (10044), 1262 states have call successors, (1262), 28 states have call predecessors, (1262), 32 states have return successors, (1379), 1260 states have call predecessors, (1379), 1261 states have call successors, (1379) [2024-11-19 21:57:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7363 states to 7363 states and 12685 transitions. [2024-11-19 21:57:58,141 INFO L78 Accepts]: Start accepts. Automaton has 7363 states and 12685 transitions. Word has length 140 [2024-11-19 21:57:58,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:58,142 INFO L471 AbstractCegarLoop]: Abstraction has 7363 states and 12685 transitions. [2024-11-19 21:57:58,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:57:58,142 INFO L276 IsEmpty]: Start isEmpty. Operand 7363 states and 12685 transitions. [2024-11-19 21:57:58,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-19 21:57:58,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:58,167 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:58,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 21:57:58,167 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:58,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:58,168 INFO L85 PathProgramCache]: Analyzing trace with hash 855473015, now seen corresponding path program 1 times [2024-11-19 21:57:58,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:58,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339056132] [2024-11-19 21:57:58,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:58,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:57:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:57:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-19 21:57:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 21:57:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:57:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 21:57:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-19 21:57:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-19 21:57:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 21:57:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:57:58,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:58,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339056132] [2024-11-19 21:57:58,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339056132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:58,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:58,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:57:58,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299103523] [2024-11-19 21:57:58,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:58,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:57:58,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:58,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:57:58,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:57:58,283 INFO L87 Difference]: Start difference. First operand 7363 states and 12685 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:58:00,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:00,102 INFO L93 Difference]: Finished difference Result 18778 states and 32885 transitions. [2024-11-19 21:58:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:00,102 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 141 [2024-11-19 21:58:00,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:00,163 INFO L225 Difference]: With dead ends: 18778 [2024-11-19 21:58:00,164 INFO L226 Difference]: Without dead ends: 12554 [2024-11-19 21:58:00,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:58:00,190 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1615 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 579 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:00,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 981 Invalid, 2485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [579 Valid, 1906 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 21:58:00,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12554 states. [2024-11-19 21:58:00,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12554 to 12342. [2024-11-19 21:58:00,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12342 states, 10225 states have (on average 1.6561369193154034) internal successors, (16934), 10233 states have internal predecessors, (16934), 2084 states have call successors, (2084), 28 states have call predecessors, (2084), 32 states have return successors, (2279), 2082 states have call predecessors, (2279), 2083 states have call successors, (2279) [2024-11-19 21:58:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12342 states to 12342 states and 21297 transitions. [2024-11-19 21:58:00,754 INFO L78 Accepts]: Start accepts. Automaton has 12342 states and 21297 transitions. Word has length 141 [2024-11-19 21:58:00,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:00,754 INFO L471 AbstractCegarLoop]: Abstraction has 12342 states and 21297 transitions. [2024-11-19 21:58:00,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:58:00,755 INFO L276 IsEmpty]: Start isEmpty. Operand 12342 states and 21297 transitions. [2024-11-19 21:58:00,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-19 21:58:00,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:00,790 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:00,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 21:58:00,790 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:00,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:00,790 INFO L85 PathProgramCache]: Analyzing trace with hash 283441571, now seen corresponding path program 1 times [2024-11-19 21:58:00,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:00,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774307729] [2024-11-19 21:58:00,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:00,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:58:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 21:58:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 21:58:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 21:58:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:58:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:58:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 21:58:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 21:58:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-19 21:58:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,911 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:58:00,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:00,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774307729] [2024-11-19 21:58:00,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774307729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:00,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:00,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:00,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226793489] [2024-11-19 21:58:00,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:00,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:00,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:00,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:00,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:00,914 INFO L87 Difference]: Start difference. First operand 12342 states and 21297 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:58:02,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:02,899 INFO L93 Difference]: Finished difference Result 29736 states and 51850 transitions. [2024-11-19 21:58:02,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:02,900 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 142 [2024-11-19 21:58:02,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:02,980 INFO L225 Difference]: With dead ends: 29736 [2024-11-19 21:58:02,981 INFO L226 Difference]: Without dead ends: 19507 [2024-11-19 21:58:03,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:58:03,013 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 1612 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1930 mSolverCounterSat, 570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 2500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 570 IncrementalHoareTripleChecker+Valid, 1930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:03,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1630 Valid, 993 Invalid, 2500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [570 Valid, 1930 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 21:58:03,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19507 states. [2024-11-19 21:58:03,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19507 to 19295. [2024-11-19 21:58:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19295 states, 15975 states have (on average 1.632300469483568) internal successors, (26076), 15983 states have internal predecessors, (26076), 3287 states have call successors, (3287), 28 states have call predecessors, (3287), 32 states have return successors, (3626), 3285 states have call predecessors, (3626), 3286 states have call successors, (3626) [2024-11-19 21:58:03,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19295 states to 19295 states and 32989 transitions. [2024-11-19 21:58:03,949 INFO L78 Accepts]: Start accepts. Automaton has 19295 states and 32989 transitions. Word has length 142 [2024-11-19 21:58:03,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:03,950 INFO L471 AbstractCegarLoop]: Abstraction has 19295 states and 32989 transitions. [2024-11-19 21:58:03,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:58:03,950 INFO L276 IsEmpty]: Start isEmpty. Operand 19295 states and 32989 transitions. [2024-11-19 21:58:03,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-19 21:58:03,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:03,990 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:03,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 21:58:03,991 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:03,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:03,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1698337931, now seen corresponding path program 1 times [2024-11-19 21:58:03,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:03,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73017380] [2024-11-19 21:58:03,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:03,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:58:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 21:58:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 21:58:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:58:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:58:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:58:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 21:58:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 21:58:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-19 21:58:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-19 21:58:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-19 21:58:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-19 21:58:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,146 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:58:04,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:04,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73017380] [2024-11-19 21:58:04,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73017380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:04,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:04,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:04,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116142612] [2024-11-19 21:58:04,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:04,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:04,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:04,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:04,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:04,149 INFO L87 Difference]: Start difference. First operand 19295 states and 32989 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:58:06,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:06,635 INFO L93 Difference]: Finished difference Result 51168 states and 88970 transitions. [2024-11-19 21:58:06,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:06,636 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2024-11-19 21:58:06,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:06,770 INFO L225 Difference]: With dead ends: 51168 [2024-11-19 21:58:06,771 INFO L226 Difference]: Without dead ends: 34628 [2024-11-19 21:58:06,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:58:06,827 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1611 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1901 mSolverCounterSat, 577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 2478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 577 IncrementalHoareTripleChecker+Valid, 1901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:06,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1630 Valid, 980 Invalid, 2478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [577 Valid, 1901 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 21:58:06,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34628 states. [2024-11-19 21:58:08,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34628 to 34416. [2024-11-19 21:58:08,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34416 states, 28646 states have (on average 1.6295119737485164) internal successors, (46679), 28654 states have internal predecessors, (46679), 5737 states have call successors, (5737), 28 states have call predecessors, (5737), 32 states have return successors, (6350), 5735 states have call predecessors, (6350), 5736 states have call successors, (6350) [2024-11-19 21:58:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34416 states to 34416 states and 58766 transitions. [2024-11-19 21:58:08,290 INFO L78 Accepts]: Start accepts. Automaton has 34416 states and 58766 transitions. Word has length 162 [2024-11-19 21:58:08,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:08,291 INFO L471 AbstractCegarLoop]: Abstraction has 34416 states and 58766 transitions. [2024-11-19 21:58:08,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:58:08,292 INFO L276 IsEmpty]: Start isEmpty. Operand 34416 states and 58766 transitions. [2024-11-19 21:58:08,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-19 21:58:08,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:08,342 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:08,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 21:58:08,342 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:08,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:08,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1277488727, now seen corresponding path program 1 times [2024-11-19 21:58:08,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:08,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332178693] [2024-11-19 21:58:08,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:08,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:58:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-19 21:58:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:58:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:58:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:58:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 21:58:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-19 21:58:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-19 21:58:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-19 21:58:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:08,478 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:58:08,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:08,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332178693] [2024-11-19 21:58:08,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332178693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:08,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:08,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:08,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17041905] [2024-11-19 21:58:08,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:08,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:08,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:08,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:08,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:08,482 INFO L87 Difference]: Start difference. First operand 34416 states and 58766 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:58:11,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:11,801 INFO L93 Difference]: Finished difference Result 94040 states and 162764 transitions. [2024-11-19 21:58:11,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:11,801 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 144 [2024-11-19 21:58:11,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:12,098 INFO L225 Difference]: With dead ends: 94040 [2024-11-19 21:58:12,098 INFO L226 Difference]: Without dead ends: 63295 [2024-11-19 21:58:12,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:58:12,201 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 1609 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 1959 mSolverCounterSat, 560 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 2519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 560 IncrementalHoareTripleChecker+Valid, 1959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:12,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1627 Valid, 1024 Invalid, 2519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [560 Valid, 1959 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 21:58:12,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63295 states. [2024-11-19 21:58:14,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63295 to 63083. [2024-11-19 21:58:14,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63083 states, 52800 states have (on average 1.6255681818181817) internal successors, (85830), 52808 states have internal predecessors, (85830), 10250 states have call successors, (10250), 28 states have call predecessors, (10250), 32 states have return successors, (11395), 10248 states have call predecessors, (11395), 10249 states have call successors, (11395) [2024-11-19 21:58:15,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63083 states to 63083 states and 107475 transitions. [2024-11-19 21:58:15,498 INFO L78 Accepts]: Start accepts. Automaton has 63083 states and 107475 transitions. Word has length 144 [2024-11-19 21:58:15,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:15,499 INFO L471 AbstractCegarLoop]: Abstraction has 63083 states and 107475 transitions. [2024-11-19 21:58:15,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:58:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 63083 states and 107475 transitions. [2024-11-19 21:58:15,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-19 21:58:15,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:15,615 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:15,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 21:58:15,615 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:15,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:15,616 INFO L85 PathProgramCache]: Analyzing trace with hash 747419509, now seen corresponding path program 1 times [2024-11-19 21:58:15,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:15,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802376580] [2024-11-19 21:58:15,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:15,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:58:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 21:58:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:58:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:58:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:58:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 21:58:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-19 21:58:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-19 21:58:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-19 21:58:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-19 21:58:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-19 21:58:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-19 21:58:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:58:15,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:15,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802376580] [2024-11-19 21:58:15,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802376580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:15,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:15,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:15,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422262787] [2024-11-19 21:58:15,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:15,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:15,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:15,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:15,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:15,766 INFO L87 Difference]: Start difference. First operand 63083 states and 107475 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:58:19,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:19,592 INFO L93 Difference]: Finished difference Result 118416 states and 205398 transitions. [2024-11-19 21:58:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:19,593 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2024-11-19 21:58:19,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:19,981 INFO L225 Difference]: With dead ends: 118416 [2024-11-19 21:58:19,981 INFO L226 Difference]: Without dead ends: 118168 [2024-11-19 21:58:20,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:58:20,026 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1603 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 1920 mSolverCounterSat, 562 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1620 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 2482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 562 IncrementalHoareTripleChecker+Valid, 1920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:20,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1620 Valid, 990 Invalid, 2482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [562 Valid, 1920 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 21:58:20,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118168 states. [2024-11-19 21:58:23,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118168 to 117956. [2024-11-19 21:58:23,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117956 states, 99305 states have (on average 1.620472282362419) internal successors, (160921), 99313 states have internal predecessors, (160921), 18618 states have call successors, (18618), 28 states have call predecessors, (18618), 32 states have return successors, (20809), 18616 states have call predecessors, (20809), 18617 states have call successors, (20809) [2024-11-19 21:58:24,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117956 states to 117956 states and 200348 transitions. [2024-11-19 21:58:24,379 INFO L78 Accepts]: Start accepts. Automaton has 117956 states and 200348 transitions. Word has length 164 [2024-11-19 21:58:24,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:24,380 INFO L471 AbstractCegarLoop]: Abstraction has 117956 states and 200348 transitions. [2024-11-19 21:58:24,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:58:24,380 INFO L276 IsEmpty]: Start isEmpty. Operand 117956 states and 200348 transitions. [2024-11-19 21:58:24,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-19 21:58:24,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:24,451 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:24,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 21:58:24,451 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:24,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:24,451 INFO L85 PathProgramCache]: Analyzing trace with hash 149181546, now seen corresponding path program 1 times [2024-11-19 21:58:24,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:24,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197229249] [2024-11-19 21:58:24,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:24,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:58:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:58:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:58:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:58:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:58:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 21:58:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-19 21:58:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-19 21:58:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-19 21:58:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:58:25,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:25,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197229249] [2024-11-19 21:58:25,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197229249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:25,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:25,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-19 21:58:25,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594575465] [2024-11-19 21:58:25,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:25,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 21:58:25,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:25,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 21:58:25,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2024-11-19 21:58:25,416 INFO L87 Difference]: Start difference. First operand 117956 states and 200348 transitions. Second operand has 18 states, 16 states have (on average 6.0625) internal successors, (97), 12 states have internal predecessors, (97), 6 states have call successors, (18), 7 states have call predecessors, (18), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15)