./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/product-lines/email_spec4_product29.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 71f8755187e6ba7ba58a893461c08a19c806970ccaa90de1a74095d8e9221b58 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:43:49,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:43:49,538 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:43:49,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:43:49,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:43:49,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:43:49,564 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:43:49,564 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:43:49,565 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:43:49,566 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:43:49,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:43:49,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:43:49,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:43:49,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:43:49,567 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:43:49,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:43:49,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:43:49,568 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:43:49,568 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:43:49,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:43:49,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:43:49,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:43:49,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:43:49,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:43:49,571 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:43:49,572 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:43:49,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:43:49,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:43:49,572 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:43:49,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:43:49,572 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:43:49,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:43:49,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:43:49,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:43:49,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:43:49,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:43:49,573 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:43:49,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:43:49,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:43:49,573 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:43:49,574 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:43:49,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:43:49,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71f8755187e6ba7ba58a893461c08a19c806970ccaa90de1a74095d8e9221b58 [2024-11-16 07:43:49,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:43:49,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:43:49,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:43:49,785 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:43:49,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:43:49,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product29.cil.c [2024-11-16 07:43:50,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:43:51,211 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:43:51,211 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product29.cil.c [2024-11-16 07:43:51,233 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe4ee700a/c09ab67d2971408e999db407cf8242d1/FLAGace855785 [2024-11-16 07:43:51,517 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe4ee700a/c09ab67d2971408e999db407cf8242d1 [2024-11-16 07:43:51,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:43:51,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:43:51,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:43:51,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:43:51,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:43:51,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:43:51" (1/1) ... [2024-11-16 07:43:51,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c096b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:51, skipping insertion in model container [2024-11-16 07:43:51,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:43:51" (1/1) ... [2024-11-16 07:43:51,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:43:52,002 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_product29.cil.c[58438,58451] [2024-11-16 07:43:52,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:43:52,041 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:43:52,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-16 07:43:52,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [368] [2024-11-16 07:43:52,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [734] [2024-11-16 07:43:52,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [882] [2024-11-16 07:43:52,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1952] [2024-11-16 07:43:52,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1987] [2024-11-16 07:43:52,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2004] [2024-11-16 07:43:52,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2406] [2024-11-16 07:43:52,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2622] [2024-11-16 07:43:52,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2631] [2024-11-16 07:43:52,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2658] [2024-11-16 07:43:52,145 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_product29.cil.c[58438,58451] [2024-11-16 07:43:52,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:43:52,173 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:43:52,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52 WrapperNode [2024-11-16 07:43:52,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:43:52,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:43:52,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:43:52,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:43:52,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52" (1/1) ... [2024-11-16 07:43:52,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52" (1/1) ... [2024-11-16 07:43:52,234 INFO L138 Inliner]: procedures = 131, calls = 211, calls flagged for inlining = 55, calls inlined = 47, statements flattened = 925 [2024-11-16 07:43:52,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:43:52,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:43:52,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:43:52,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:43:52,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52" (1/1) ... [2024-11-16 07:43:52,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52" (1/1) ... [2024-11-16 07:43:52,252 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52" (1/1) ... [2024-11-16 07:43:52,275 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]. [2024-11-16 07:43:52,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52" (1/1) ... [2024-11-16 07:43:52,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52" (1/1) ... [2024-11-16 07:43:52,288 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52" (1/1) ... [2024-11-16 07:43:52,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52" (1/1) ... [2024-11-16 07:43:52,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52" (1/1) ... [2024-11-16 07:43:52,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52" (1/1) ... [2024-11-16 07:43:52,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:43:52,313 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:43:52,313 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:43:52,313 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:43:52,315 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52" (1/1) ... [2024-11-16 07:43:52,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:43:52,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:43:52,348 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) [2024-11-16 07:43:52,356 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 [2024-11-16 07:43:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-16 07:43:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-16 07:43:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-16 07:43:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-16 07:43:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-16 07:43:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-16 07:43:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-16 07:43:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-16 07:43:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-16 07:43:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-16 07:43:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-16 07:43:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-16 07:43:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-16 07:43:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-16 07:43:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-16 07:43:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-16 07:43:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-16 07:43:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-16 07:43:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-16 07:43:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-16 07:43:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-16 07:43:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-16 07:43:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-16 07:43:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-16 07:43:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-16 07:43:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-16 07:43:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-16 07:43:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-16 07:43:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:43:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-16 07:43:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-16 07:43:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-16 07:43:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-16 07:43:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-16 07:43:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-16 07:43:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-16 07:43:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-16 07:43:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-16 07:43:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-16 07:43:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-16 07:43:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-16 07:43:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-16 07:43:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-16 07:43:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-16 07:43:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-16 07:43:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-16 07:43:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-16 07:43:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-16 07:43:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-16 07:43:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-16 07:43:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-16 07:43:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-16 07:43:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-16 07:43:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:43:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 07:43:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 07:43:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 07:43:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-16 07:43:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-16 07:43:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-16 07:43:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-16 07:43:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:43:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:43:52,587 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:43:52,589 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:43:52,678 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2313: #res := ~retValue_acc~36; [2024-11-16 07:43:52,692 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2934: #res := ~retValue_acc~43; [2024-11-16 07:43:52,724 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1586: #res#1 := ~retValue_acc~19#1; [2024-11-16 07:43:52,724 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1541-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~18#1; [2024-11-16 07:43:52,819 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1929-1: getClientId_#res#1 := getClientId_~retValue_acc~24#1; [2024-11-16 07:43:52,845 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1810: #res := ~retValue_acc~22; [2024-11-16 07:43:52,853 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1494: #res := ~retValue_acc~17; [2024-11-16 07:43:52,860 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L879-1: createEmail_#res#1 := createEmail_~retValue_acc~7#1; [2024-11-16 07:43:52,867 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1038: #res := ~retValue_acc~11; [2024-11-16 07:43:52,886 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2239: #res := ~retValue_acc~34; [2024-11-16 07:43:52,920 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2276: #res := ~retValue_acc~35; [2024-11-16 07:43:52,925 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2350: #res := ~retValue_acc~37; [2024-11-16 07:43:52,946 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2124: #res := ~retValue_acc~31; [2024-11-16 07:43:52,989 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1364: #res := ~retValue_acc~15; [2024-11-16 07:43:53,244 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1984-1: valid_product_#res#1 := valid_product_~retValue_acc~26#1; [2024-11-16 07:43:53,244 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2909-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~42#1; [2024-11-16 07:43:53,244 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1756-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~21#1; [2024-11-16 07:43:53,244 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2900-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~41#1; [2024-11-16 07:43:53,245 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1649-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~20#1; [2024-11-16 07:43:53,245 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2891-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~40#1; [2024-11-16 07:43:53,252 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2087: #res := ~retValue_acc~30; [2024-11-16 07:43:53,260 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L855: #res#1 := ~retValue_acc~5#1; [2024-11-16 07:43:53,260 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L835-1: isReadable__wrappee__Keys_#res#1 := isReadable__wrappee__Keys_~retValue_acc~4#1; [2024-11-16 07:43:53,355 INFO L? ?]: Removed 503 outVars from TransFormulas that were not future-live. [2024-11-16 07:43:53,355 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:43:53,370 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:43:53,371 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:43:53,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:43:53 BoogieIcfgContainer [2024-11-16 07:43:53,371 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:43:53,372 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:43:53,372 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:43:53,375 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:43:53,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:43:51" (1/3) ... [2024-11-16 07:43:53,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6ec61c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:43:53, skipping insertion in model container [2024-11-16 07:43:53,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:52" (2/3) ... [2024-11-16 07:43:53,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6ec61c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:43:53, skipping insertion in model container [2024-11-16 07:43:53,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:43:53" (3/3) ... [2024-11-16 07:43:53,377 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product29.cil.c [2024-11-16 07:43:53,388 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:43:53,388 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:43:53,447 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:43:53,453 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;@6f1cd3c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:43:53,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:43:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 421 states, 328 states have (on average 1.5335365853658536) internal successors, (503), 333 states have internal predecessors, (503), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-16 07:43:53,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-16 07:43:53,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:53,474 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] [2024-11-16 07:43:53,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:53,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:53,478 INFO L85 PathProgramCache]: Analyzing trace with hash -368733326, now seen corresponding path program 1 times [2024-11-16 07:43:53,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:53,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805524494] [2024-11-16 07:43:53,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:53,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:43:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:43:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:43:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 07:43:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 07:43:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 07:43:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 07:43:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 07:43:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:43:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:43:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 07:43:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 07:43:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:43:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 07:43:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:43:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:43:54,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:54,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805524494] [2024-11-16 07:43:54,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805524494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:43:54,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396525550] [2024-11-16 07:43:54,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:54,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:43:54,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:43:54,186 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) [2024-11-16 07:43:54,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 07:43:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:54,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 1145 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 07:43:54,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:43:54,565 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-16 07:43:54,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:43:54,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396525550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:54,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:43:54,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-16 07:43:54,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099763894] [2024-11-16 07:43:54,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:54,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 07:43:54,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:54,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 07:43:54,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:43:54,592 INFO L87 Difference]: Start difference. First operand has 421 states, 328 states have (on average 1.5335365853658536) internal successors, (503), 333 states have internal predecessors, (503), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 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) [2024-11-16 07:43:54,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:54,640 INFO L93 Difference]: Finished difference Result 642 states and 944 transitions. [2024-11-16 07:43:54,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 07:43:54,643 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 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 [2024-11-16 07:43:54,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:54,660 INFO L225 Difference]: With dead ends: 642 [2024-11-16 07:43:54,660 INFO L226 Difference]: Without dead ends: 413 [2024-11-16 07:43:54,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:43:54,670 INFO L432 NwaCegarLoop]: 624 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, 624 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 [2024-11-16 07:43:54,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:43:54,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-16 07:43:54,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2024-11-16 07:43:54,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 321 states have (on average 1.529595015576324) internal successors, (491), 325 states have internal predecessors, (491), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-16 07:43:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 616 transitions. [2024-11-16 07:43:54,749 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 616 transitions. Word has length 136 [2024-11-16 07:43:54,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:54,750 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 616 transitions. [2024-11-16 07:43:54,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 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) [2024-11-16 07:43:54,751 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 616 transitions. [2024-11-16 07:43:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 07:43:54,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:54,758 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, 1, 1, 1] [2024-11-16 07:43:54,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 07:43:54,958 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 [2024-11-16 07:43:54,959 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:54,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:54,960 INFO L85 PathProgramCache]: Analyzing trace with hash 402641342, now seen corresponding path program 1 times [2024-11-16 07:43:54,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:54,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751418567] [2024-11-16 07:43:54,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:54,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:43:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:43:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:43:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:43:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 07:43:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 07:43:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 07:43:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 07:43:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:43:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:43:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:43:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:43:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:43:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 07:43:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 07:43:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:43:55,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:55,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751418567] [2024-11-16 07:43:55,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751418567] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:43:55,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886615170] [2024-11-16 07:43:55,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:55,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:43:55,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:43:55,242 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) [2024-11-16 07:43:55,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 07:43:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-16 07:43:55,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:43:55,502 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-16 07:43:55,506 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:43:55,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886615170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:55,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:43:55,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-16 07:43:55,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593505370] [2024-11-16 07:43:55,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:55,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:43:55,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:55,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:43:55,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:43:55,508 INFO L87 Difference]: Start difference. First operand 413 states and 616 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2024-11-16 07:43:55,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:55,547 INFO L93 Difference]: Finished difference Result 632 states and 922 transitions. [2024-11-16 07:43:55,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:43:55,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 139 [2024-11-16 07:43:55,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:55,550 INFO L225 Difference]: With dead ends: 632 [2024-11-16 07:43:55,551 INFO L226 Difference]: Without dead ends: 417 [2024-11-16 07:43:55,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:43:55,552 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 0 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:55,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1228 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:43:55,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-16 07:43:55,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2024-11-16 07:43:55,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 325 states have (on average 1.523076923076923) internal successors, (495), 329 states have internal predecessors, (495), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-16 07:43:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 620 transitions. [2024-11-16 07:43:55,569 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 620 transitions. Word has length 139 [2024-11-16 07:43:55,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:55,570 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 620 transitions. [2024-11-16 07:43:55,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2024-11-16 07:43:55,570 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 620 transitions. [2024-11-16 07:43:55,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-16 07:43:55,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:55,572 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-16 07:43:55,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 07:43:55,772 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 [2024-11-16 07:43:55,773 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:55,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:55,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1665049671, now seen corresponding path program 1 times [2024-11-16 07:43:55,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:55,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46665302] [2024-11-16 07:43:55,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:55,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:43:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:43:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:43:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 07:43:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 07:43:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 07:43:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 07:43:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 07:43:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 07:43:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:43:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 07:43:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 07:43:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:55,947 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-16 07:43:55,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:55,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46665302] [2024-11-16 07:43:55,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46665302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:43:55,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619112416] [2024-11-16 07:43:55,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:55,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:43:55,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:43:55,949 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) [2024-11-16 07:43:55,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 07:43:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 1085 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 07:43:56,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:43:56,205 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-16 07:43:56,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:43:56,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619112416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:56,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:43:56,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-16 07:43:56,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251268444] [2024-11-16 07:43:56,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:56,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:43:56,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:56,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:43:56,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:43:56,211 INFO L87 Difference]: Start difference. First operand 417 states and 620 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2024-11-16 07:43:56,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:56,243 INFO L93 Difference]: Finished difference Result 886 states and 1333 transitions. [2024-11-16 07:43:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:43:56,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 128 [2024-11-16 07:43:56,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:56,247 INFO L225 Difference]: With dead ends: 886 [2024-11-16 07:43:56,247 INFO L226 Difference]: Without dead ends: 498 [2024-11-16 07:43:56,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:43:56,249 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 136 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1193 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 [2024-11-16 07:43:56,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1193 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:43:56,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-16 07:43:56,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 490. [2024-11-16 07:43:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 384 states have (on average 1.5286458333333333) internal successors, (587), 388 states have internal predecessors, (587), 77 states have call successors, (77), 28 states have call predecessors, (77), 28 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-16 07:43:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 740 transitions. [2024-11-16 07:43:56,267 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 740 transitions. Word has length 128 [2024-11-16 07:43:56,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:56,267 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 740 transitions. [2024-11-16 07:43:56,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2024-11-16 07:43:56,267 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 740 transitions. [2024-11-16 07:43:56,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-16 07:43:56,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:56,269 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-16 07:43:56,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 07:43:56,469 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 [2024-11-16 07:43:56,470 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:56,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:56,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1603327173, now seen corresponding path program 1 times [2024-11-16 07:43:56,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:56,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113146485] [2024-11-16 07:43:56,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:56,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:43:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:43:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:43:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 07:43:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 07:43:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 07:43:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 07:43:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:43:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 07:43:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 07:43:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 07:43:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 07:43:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,659 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-16 07:43:56,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:56,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113146485] [2024-11-16 07:43:56,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113146485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:43:56,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881904995] [2024-11-16 07:43:56,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:56,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:43:56,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:43:56,661 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) [2024-11-16 07:43:56,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 07:43:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:56,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 07:43:56,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:43:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-16 07:43:56,958 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:43:56,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881904995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:56,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:43:56,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-16 07:43:56,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349252899] [2024-11-16 07:43:56,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:56,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:43:56,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:56,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:43:56,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:43:56,960 INFO L87 Difference]: Start difference. First operand 490 states and 740 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-16 07:43:57,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:57,005 INFO L93 Difference]: Finished difference Result 971 states and 1470 transitions. [2024-11-16 07:43:57,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:43:57,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 129 [2024-11-16 07:43:57,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:57,008 INFO L225 Difference]: With dead ends: 971 [2024-11-16 07:43:57,008 INFO L226 Difference]: Without dead ends: 492 [2024-11-16 07:43:57,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:43:57,010 INFO L432 NwaCegarLoop]: 608 mSDtfsCounter, 2 mSDsluCounter, 1813 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2421 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 [2024-11-16 07:43:57,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2421 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:43:57,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-16 07:43:57,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2024-11-16 07:43:57,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 385 states have (on average 1.5272727272727273) internal successors, (588), 390 states have internal predecessors, (588), 77 states have call successors, (77), 28 states have call predecessors, (77), 29 states have return successors, (78), 75 states have call predecessors, (78), 76 states have call successors, (78) [2024-11-16 07:43:57,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 743 transitions. [2024-11-16 07:43:57,024 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 743 transitions. Word has length 129 [2024-11-16 07:43:57,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:57,025 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 743 transitions. [2024-11-16 07:43:57,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-16 07:43:57,025 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 743 transitions. [2024-11-16 07:43:57,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-16 07:43:57,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:57,027 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-16 07:43:57,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-16 07:43:57,227 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 [2024-11-16 07:43:57,228 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:57,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:57,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1444848169, now seen corresponding path program 1 times [2024-11-16 07:43:57,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:57,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109126479] [2024-11-16 07:43:57,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:57,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-16 07:43:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:43:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 07:43:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-16 07:43:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 07:43:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 07:43:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:43:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 07:43:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 07:43:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:43:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:43:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:43:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 07:43:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 07:43:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-16 07:43:57,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:57,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109126479] [2024-11-16 07:43:57,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109126479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:43:57,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323081529] [2024-11-16 07:43:57,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:57,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:43:57,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:43:57,413 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) [2024-11-16 07:43:57,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 07:43:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:57,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 07:43:57,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:43:57,713 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-16 07:43:57,715 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:43:57,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323081529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:57,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:43:57,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-16 07:43:57,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094127424] [2024-11-16 07:43:57,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:57,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:43:57,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:57,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:43:57,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:43:57,719 INFO L87 Difference]: Start difference. First operand 492 states and 743 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:43:57,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:57,773 INFO L93 Difference]: Finished difference Result 973 states and 1475 transitions. [2024-11-16 07:43:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:43:57,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 149 [2024-11-16 07:43:57,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:57,776 INFO L225 Difference]: With dead ends: 973 [2024-11-16 07:43:57,776 INFO L226 Difference]: Without dead ends: 494 [2024-11-16 07:43:57,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:43:57,779 INFO L432 NwaCegarLoop]: 606 mSDtfsCounter, 2 mSDsluCounter, 1801 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2407 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 [2024-11-16 07:43:57,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2407 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:43:57,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-11-16 07:43:57,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2024-11-16 07:43:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 386 states have (on average 1.5259067357512954) internal successors, (589), 392 states have internal predecessors, (589), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (83), 75 states have call predecessors, (83), 76 states have call successors, (83) [2024-11-16 07:43:57,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 749 transitions. [2024-11-16 07:43:57,801 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 749 transitions. Word has length 149 [2024-11-16 07:43:57,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:57,801 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 749 transitions. [2024-11-16 07:43:57,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:43:57,802 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 749 transitions. [2024-11-16 07:43:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-16 07:43:57,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:57,804 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-16 07:43:57,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-16 07:43:58,004 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 [2024-11-16 07:43:58,005 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:58,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:58,006 INFO L85 PathProgramCache]: Analyzing trace with hash 176226243, now seen corresponding path program 1 times [2024-11-16 07:43:58,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:58,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203734368] [2024-11-16 07:43:58,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:58,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:43:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 07:43:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 07:43:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 07:43:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 07:43:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:43:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:43:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:43:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:43:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:43:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:43:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:58,168 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-16 07:43:58,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:58,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203734368] [2024-11-16 07:43:58,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203734368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:58,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:43:58,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 07:43:58,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098537983] [2024-11-16 07:43:58,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:58,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 07:43:58,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:58,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 07:43:58,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:43:58,171 INFO L87 Difference]: Start difference. First operand 494 states and 749 transitions. Second operand has 9 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 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) [2024-11-16 07:43:59,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:59,908 INFO L93 Difference]: Finished difference Result 1068 states and 1640 transitions. [2024-11-16 07:43:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 07:43:59,908 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 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 131 [2024-11-16 07:43:59,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:59,914 INFO L225 Difference]: With dead ends: 1068 [2024-11-16 07:43:59,914 INFO L226 Difference]: Without dead ends: 597 [2024-11-16 07:43:59,915 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 [2024-11-16 07:43:59,916 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 1351 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 2584 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1352 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 3013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 2584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:59,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1352 Valid, 1362 Invalid, 3013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 2584 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 07:43:59,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-16 07:43:59,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 494. [2024-11-16 07:43:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 386 states have (on average 1.5259067357512954) internal successors, (589), 392 states have internal predecessors, (589), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (82), 75 states have call predecessors, (82), 76 states have call successors, (82) [2024-11-16 07:43:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 748 transitions. [2024-11-16 07:43:59,953 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 748 transitions. Word has length 131 [2024-11-16 07:43:59,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:59,954 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 748 transitions. [2024-11-16 07:43:59,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 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) [2024-11-16 07:43:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 748 transitions. [2024-11-16 07:43:59,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-16 07:43:59,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:59,956 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:43:59,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 07:43:59,956 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:59,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:59,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1024586879, now seen corresponding path program 1 times [2024-11-16 07:43:59,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:59,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912958674] [2024-11-16 07:43:59,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:59,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 07:44:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 07:44:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 07:44:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 07:44:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:44:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:44:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:44:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 07:44:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 07:44:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:44:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 07:44:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:44:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:44:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:00,149 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:44:00,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:00,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912958674] [2024-11-16 07:44:00,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912958674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:00,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:00,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 07:44:00,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149832459] [2024-11-16 07:44:00,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:00,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 07:44:00,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:00,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 07:44:00,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:44:00,151 INFO L87 Difference]: Start difference. First operand 494 states and 748 transitions. Second operand has 9 states, 8 states have (on average 11.25) 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), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:44:01,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:01,746 INFO L93 Difference]: Finished difference Result 1070 states and 1643 transitions. [2024-11-16 07:44:01,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 07:44:01,747 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) 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), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 151 [2024-11-16 07:44:01,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:01,750 INFO L225 Difference]: With dead ends: 1070 [2024-11-16 07:44:01,750 INFO L226 Difference]: Without dead ends: 599 [2024-11-16 07:44:01,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-16 07:44:01,751 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1343 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 2611 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 3023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 2611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:01,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 1363 Invalid, 3023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 2611 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 07:44:01,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-16 07:44:01,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 496. [2024-11-16 07:44:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 387 states have (on average 1.524547803617571) internal successors, (590), 394 states have internal predecessors, (590), 77 states have call successors, (77), 28 states have call predecessors, (77), 31 states have return successors, (84), 75 states have call predecessors, (84), 76 states have call successors, (84) [2024-11-16 07:44:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 751 transitions. [2024-11-16 07:44:01,778 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 751 transitions. Word has length 151 [2024-11-16 07:44:01,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:01,779 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 751 transitions. [2024-11-16 07:44:01,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) 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), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:44:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 751 transitions. [2024-11-16 07:44:01,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-16 07:44:01,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:01,781 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-16 07:44:01,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 07:44:01,782 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:01,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:01,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1613221670, now seen corresponding path program 1 times [2024-11-16 07:44:01,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:01,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924144312] [2024-11-16 07:44:01,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:01,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:01,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:01,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:01,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:01,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:01,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:01,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:01,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 07:44:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:01,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 07:44:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:01,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 07:44:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:01,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:44:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:01,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 07:44:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:01,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:44:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:01,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 07:44:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:02,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:44:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:02,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:44:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-16 07:44:02,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:02,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924144312] [2024-11-16 07:44:02,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924144312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:02,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:02,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 07:44:02,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195745533] [2024-11-16 07:44:02,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:02,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 07:44:02,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:02,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 07:44:02,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:44:02,006 INFO L87 Difference]: Start difference. First operand 496 states and 751 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 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) [2024-11-16 07:44:04,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:04,119 INFO L93 Difference]: Finished difference Result 1068 states and 1638 transitions. [2024-11-16 07:44:04,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:44:04,120 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 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 133 [2024-11-16 07:44:04,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:04,123 INFO L225 Difference]: With dead ends: 1068 [2024-11-16 07:44:04,123 INFO L226 Difference]: Without dead ends: 599 [2024-11-16 07:44:04,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-16 07:44:04,126 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1346 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 4310 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 1889 SdHoareTripleChecker+Invalid, 4742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 4310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:04,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 1889 Invalid, 4742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 4310 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-16 07:44:04,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-16 07:44:04,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 496. [2024-11-16 07:44:04,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 387 states have (on average 1.524547803617571) internal successors, (590), 394 states have internal predecessors, (590), 77 states have call successors, (77), 28 states have call predecessors, (77), 31 states have return successors, (83), 75 states have call predecessors, (83), 76 states have call successors, (83) [2024-11-16 07:44:04,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 750 transitions. [2024-11-16 07:44:04,152 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 750 transitions. Word has length 133 [2024-11-16 07:44:04,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:04,152 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 750 transitions. [2024-11-16 07:44:04,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 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) [2024-11-16 07:44:04,152 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 750 transitions. [2024-11-16 07:44:04,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-16 07:44:04,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:04,154 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:04,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 07:44:04,155 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:04,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:04,155 INFO L85 PathProgramCache]: Analyzing trace with hash -490900874, now seen corresponding path program 1 times [2024-11-16 07:44:04,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:04,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713473224] [2024-11-16 07:44:04,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:04,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 07:44:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 07:44:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 07:44:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:44:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 07:44:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:44:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 07:44:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:44:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 07:44:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 07:44:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 07:44:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 07:44:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-16 07:44:04,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:04,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713473224] [2024-11-16 07:44:04,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713473224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:04,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:04,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 07:44:04,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129973695] [2024-11-16 07:44:04,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:04,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 07:44:04,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:04,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 07:44:04,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:44:04,342 INFO L87 Difference]: Start difference. First operand 496 states and 750 transitions. Second operand has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-16 07:44:06,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:06,242 INFO L93 Difference]: Finished difference Result 1070 states and 1644 transitions. [2024-11-16 07:44:06,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:44:06,242 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 153 [2024-11-16 07:44:06,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:06,245 INFO L225 Difference]: With dead ends: 1070 [2024-11-16 07:44:06,245 INFO L226 Difference]: Without dead ends: 601 [2024-11-16 07:44:06,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-16 07:44:06,247 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1350 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 4317 mSolverCounterSat, 448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 1889 SdHoareTripleChecker+Invalid, 4765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 448 IncrementalHoareTripleChecker+Valid, 4317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:06,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 1889 Invalid, 4765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [448 Valid, 4317 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-16 07:44:06,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-16 07:44:06,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 498. [2024-11-16 07:44:06,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 388 states have (on average 1.5231958762886597) internal successors, (591), 396 states have internal predecessors, (591), 77 states have call successors, (77), 28 states have call predecessors, (77), 32 states have return successors, (88), 75 states have call predecessors, (88), 76 states have call successors, (88) [2024-11-16 07:44:06,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 756 transitions. [2024-11-16 07:44:06,269 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 756 transitions. Word has length 153 [2024-11-16 07:44:06,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:06,270 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 756 transitions. [2024-11-16 07:44:06,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-16 07:44:06,271 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 756 transitions. [2024-11-16 07:44:06,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-16 07:44:06,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:06,272 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, 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] [2024-11-16 07:44:06,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 07:44:06,273 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:06,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:06,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1750348362, now seen corresponding path program 1 times [2024-11-16 07:44:06,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:06,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016513147] [2024-11-16 07:44:06,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:06,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-16 07:44:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 07:44:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 07:44:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:44:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 07:44:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:44:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 07:44:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:44:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:44:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 07:44:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 07:44:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 07:44:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,388 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:06,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:06,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016513147] [2024-11-16 07:44:06,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016513147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:44:06,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077233660] [2024-11-16 07:44:06,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:06,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:44:06,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:44:06,391 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) [2024-11-16 07:44:06,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-16 07:44:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:06,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 07:44:06,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:44:06,659 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:06,659 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 07:44:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:06,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077233660] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 07:44:06,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 07:44:06,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-16 07:44:06,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833942433] [2024-11-16 07:44:06,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 07:44:06,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 07:44:06,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:06,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 07:44:06,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-16 07:44:06,783 INFO L87 Difference]: Start difference. First operand 498 states and 756 transitions. Second operand has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 7 states have internal predecessors, (142), 2 states have call successors, (43), 6 states have call predecessors, (43), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-16 07:44:08,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:08,040 INFO L93 Difference]: Finished difference Result 1290 states and 2046 transitions. [2024-11-16 07:44:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 07:44:08,040 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 7 states have internal predecessors, (142), 2 states have call successors, (43), 6 states have call predecessors, (43), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 154 [2024-11-16 07:44:08,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:08,046 INFO L225 Difference]: With dead ends: 1290 [2024-11-16 07:44:08,046 INFO L226 Difference]: Without dead ends: 1075 [2024-11-16 07:44:08,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-16 07:44:08,047 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 1915 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 610 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 1761 SdHoareTripleChecker+Invalid, 2232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 610 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:08,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 1761 Invalid, 2232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [610 Valid, 1622 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 07:44:08,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2024-11-16 07:44:08,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 948. [2024-11-16 07:44:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 759 states have (on average 1.5559947299077734) internal successors, (1181), 767 states have internal predecessors, (1181), 156 states have call successors, (156), 28 states have call predecessors, (156), 32 states have return successors, (177), 154 states have call predecessors, (177), 155 states have call successors, (177) [2024-11-16 07:44:08,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1514 transitions. [2024-11-16 07:44:08,088 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1514 transitions. Word has length 154 [2024-11-16 07:44:08,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:08,088 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1514 transitions. [2024-11-16 07:44:08,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 7 states have internal predecessors, (142), 2 states have call successors, (43), 6 states have call predecessors, (43), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-16 07:44:08,088 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1514 transitions. [2024-11-16 07:44:08,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-16 07:44:08,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:08,092 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, 1, 1, 1] [2024-11-16 07:44:08,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-16 07:44:08,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:44:08,293 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:08,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:08,293 INFO L85 PathProgramCache]: Analyzing trace with hash 2037404802, now seen corresponding path program 1 times [2024-11-16 07:44:08,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:08,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701583467] [2024-11-16 07:44:08,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:08,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 07:44:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:44:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:44:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:44:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 07:44:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:44:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:44:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 07:44:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 07:44:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 07:44:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 07:44:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 07:44:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:08,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:08,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701583467] [2024-11-16 07:44:08,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701583467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:08,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:08,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:08,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328329955] [2024-11-16 07:44:08,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:08,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:08,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:08,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:08,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:08,391 INFO L87 Difference]: Start difference. First operand 948 states and 1514 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 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) [2024-11-16 07:44:09,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:09,431 INFO L93 Difference]: Finished difference Result 2384 states and 3887 transitions. [2024-11-16 07:44:09,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:09,432 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 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 167 [2024-11-16 07:44:09,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:09,441 INFO L225 Difference]: With dead ends: 2384 [2024-11-16 07:44:09,441 INFO L226 Difference]: Without dead ends: 1508 [2024-11-16 07:44:09,444 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 [2024-11-16 07:44:09,444 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 1476 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:09,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 1055 Invalid, 1953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [500 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 07:44:09,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2024-11-16 07:44:09,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1397. [2024-11-16 07:44:09,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 1129 states have (on average 1.5589016829052258) internal successors, (1760), 1137 states have internal predecessors, (1760), 235 states have call successors, (235), 28 states have call predecessors, (235), 32 states have return successors, (266), 233 states have call predecessors, (266), 234 states have call successors, (266) [2024-11-16 07:44:09,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 2261 transitions. [2024-11-16 07:44:09,489 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 2261 transitions. Word has length 167 [2024-11-16 07:44:09,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:09,489 INFO L471 AbstractCegarLoop]: Abstraction has 1397 states and 2261 transitions. [2024-11-16 07:44:09,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 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) [2024-11-16 07:44:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 2261 transitions. [2024-11-16 07:44:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-16 07:44:09,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:09,494 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, 1, 1, 1] [2024-11-16 07:44:09,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 07:44:09,495 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:09,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:09,495 INFO L85 PathProgramCache]: Analyzing trace with hash 943322861, now seen corresponding path program 1 times [2024-11-16 07:44:09,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:09,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512007361] [2024-11-16 07:44:09,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:09,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 07:44:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:44:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:44:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:44:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:44:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:44:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:44:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 07:44:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 07:44:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:44:09,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:09,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512007361] [2024-11-16 07:44:09,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512007361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:09,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:09,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:09,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720067928] [2024-11-16 07:44:09,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:09,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:09,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:09,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:09,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:09,584 INFO L87 Difference]: Start difference. First operand 1397 states and 2261 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 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) [2024-11-16 07:44:10,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:10,666 INFO L93 Difference]: Finished difference Result 3480 states and 5708 transitions. [2024-11-16 07:44:10,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:10,667 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 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 149 [2024-11-16 07:44:10,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:10,678 INFO L225 Difference]: With dead ends: 3480 [2024-11-16 07:44:10,679 INFO L226 Difference]: Without dead ends: 2216 [2024-11-16 07:44:10,682 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 [2024-11-16 07:44:10,682 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1470 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 1917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 478 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:10,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 1001 Invalid, 1917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [478 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 07:44:10,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2024-11-16 07:44:10,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 2105. [2024-11-16 07:44:10,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2105 states, 1718 states have (on average 1.559371362048894) internal successors, (2679), 1726 states have internal predecessors, (2679), 354 states have call successors, (354), 28 states have call predecessors, (354), 32 states have return successors, (385), 352 states have call predecessors, (385), 353 states have call successors, (385) [2024-11-16 07:44:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 3418 transitions. [2024-11-16 07:44:10,746 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 3418 transitions. Word has length 149 [2024-11-16 07:44:10,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:10,747 INFO L471 AbstractCegarLoop]: Abstraction has 2105 states and 3418 transitions. [2024-11-16 07:44:10,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 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) [2024-11-16 07:44:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 3418 transitions. [2024-11-16 07:44:10,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 07:44:10,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:10,754 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, 1, 1, 1, 1] [2024-11-16 07:44:10,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 07:44:10,754 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:10,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:10,755 INFO L85 PathProgramCache]: Analyzing trace with hash 2084888381, now seen corresponding path program 1 times [2024-11-16 07:44:10,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:10,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975918181] [2024-11-16 07:44:10,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:10,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 07:44:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:44:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 07:44:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:44:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 07:44:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:44:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 07:44:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 07:44:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:44:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:10,848 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:44:10,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:10,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975918181] [2024-11-16 07:44:10,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975918181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:10,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:10,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:10,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673337374] [2024-11-16 07:44:10,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:10,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:10,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:10,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:10,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:10,850 INFO L87 Difference]: Start difference. First operand 2105 states and 3418 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, (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) [2024-11-16 07:44:11,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:11,854 INFO L93 Difference]: Finished difference Result 5140 states and 8477 transitions. [2024-11-16 07:44:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:11,854 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, (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 150 [2024-11-16 07:44:11,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:11,867 INFO L225 Difference]: With dead ends: 5140 [2024-11-16 07:44:11,867 INFO L226 Difference]: Without dead ends: 3311 [2024-11-16 07:44:11,872 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 [2024-11-16 07:44:11,872 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1469 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 1901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:11,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 1000 Invalid, 1901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [489 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 07:44:11,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2024-11-16 07:44:11,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 3200. [2024-11-16 07:44:11,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3200 states, 2651 states have (on average 1.5594115428140325) internal successors, (4134), 2659 states have internal predecessors, (4134), 516 states have call successors, (516), 28 states have call predecessors, (516), 32 states have return successors, (563), 514 states have call predecessors, (563), 515 states have call successors, (563) [2024-11-16 07:44:11,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 5213 transitions. [2024-11-16 07:44:11,974 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 5213 transitions. Word has length 150 [2024-11-16 07:44:11,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:11,975 INFO L471 AbstractCegarLoop]: Abstraction has 3200 states and 5213 transitions. [2024-11-16 07:44:11,975 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, (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) [2024-11-16 07:44:11,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 5213 transitions. [2024-11-16 07:44:11,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-16 07:44:11,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:11,985 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, 1, 1, 1, 1, 1] [2024-11-16 07:44:11,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 07:44:11,985 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:11,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:11,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1848790131, now seen corresponding path program 1 times [2024-11-16 07:44:11,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:11,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673586654] [2024-11-16 07:44:11,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:11,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 07:44:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:44:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 07:44:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 07:44:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 07:44:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:44:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 07:44:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:44:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:44:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:44:12,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:12,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673586654] [2024-11-16 07:44:12,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673586654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:12,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:12,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:12,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002420166] [2024-11-16 07:44:12,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:12,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:12,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:12,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:12,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:12,073 INFO L87 Difference]: Start difference. First operand 3200 states and 5213 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 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) [2024-11-16 07:44:13,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:13,227 INFO L93 Difference]: Finished difference Result 7777 states and 12874 transitions. [2024-11-16 07:44:13,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:13,228 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 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 151 [2024-11-16 07:44:13,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:13,247 INFO L225 Difference]: With dead ends: 7777 [2024-11-16 07:44:13,247 INFO L226 Difference]: Without dead ends: 5090 [2024-11-16 07:44:13,253 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 [2024-11-16 07:44:13,253 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1467 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 476 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 1907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 476 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:13,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 1000 Invalid, 1907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [476 Valid, 1431 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 07:44:13,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5090 states. [2024-11-16 07:44:13,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5090 to 4979. [2024-11-16 07:44:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4979 states, 4185 states have (on average 1.5586618876941458) internal successors, (6523), 4193 states have internal predecessors, (6523), 761 states have call successors, (761), 28 states have call predecessors, (761), 32 states have return successors, (834), 759 states have call predecessors, (834), 760 states have call successors, (834) [2024-11-16 07:44:13,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4979 states to 4979 states and 8118 transitions. [2024-11-16 07:44:13,398 INFO L78 Accepts]: Start accepts. Automaton has 4979 states and 8118 transitions. Word has length 151 [2024-11-16 07:44:13,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:13,398 INFO L471 AbstractCegarLoop]: Abstraction has 4979 states and 8118 transitions. [2024-11-16 07:44:13,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 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) [2024-11-16 07:44:13,399 INFO L276 IsEmpty]: Start isEmpty. Operand 4979 states and 8118 transitions. [2024-11-16 07:44:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-16 07:44:13,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:13,413 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:13,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 07:44:13,413 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:13,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:13,414 INFO L85 PathProgramCache]: Analyzing trace with hash 747499234, now seen corresponding path program 1 times [2024-11-16 07:44:13,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:13,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744510852] [2024-11-16 07:44:13,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:13,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 07:44:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:44:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 07:44:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 07:44:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 07:44:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:44:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 07:44:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 07:44:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 07:44:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 07:44:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 07:44:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-16 07:44:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:13,531 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:13,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:13,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744510852] [2024-11-16 07:44:13,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744510852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:13,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:13,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:13,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460204467] [2024-11-16 07:44:13,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:13,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:13,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:13,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:13,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:13,533 INFO L87 Difference]: Start difference. First operand 4979 states and 8118 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-11-16 07:44:14,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:14,624 INFO L93 Difference]: Finished difference Result 12465 states and 20658 transitions. [2024-11-16 07:44:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:14,625 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 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 171 [2024-11-16 07:44:14,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:14,692 INFO L225 Difference]: With dead ends: 12465 [2024-11-16 07:44:14,692 INFO L226 Difference]: Without dead ends: 8284 [2024-11-16 07:44:14,700 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 [2024-11-16 07:44:14,701 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 1466 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 1471 mSolverCounterSat, 490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 1471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:14,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 1080 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [490 Valid, 1471 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 07:44:14,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8284 states. [2024-11-16 07:44:14,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8284 to 8173. [2024-11-16 07:44:14,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8173 states, 6886 states have (on average 1.5522799883822247) internal successors, (10689), 6894 states have internal predecessors, (10689), 1254 states have call successors, (1254), 28 states have call predecessors, (1254), 32 states have return successors, (1371), 1252 states have call predecessors, (1371), 1253 states have call successors, (1371) [2024-11-16 07:44:14,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8173 states to 8173 states and 13314 transitions. [2024-11-16 07:44:14,894 INFO L78 Accepts]: Start accepts. Automaton has 8173 states and 13314 transitions. Word has length 171 [2024-11-16 07:44:14,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:14,895 INFO L471 AbstractCegarLoop]: Abstraction has 8173 states and 13314 transitions. [2024-11-16 07:44:14,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-11-16 07:44:14,895 INFO L276 IsEmpty]: Start isEmpty. Operand 8173 states and 13314 transitions. [2024-11-16 07:44:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-16 07:44:14,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:14,914 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:14,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 07:44:14,914 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:14,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:14,914 INFO L85 PathProgramCache]: Analyzing trace with hash 790182125, now seen corresponding path program 1 times [2024-11-16 07:44:14,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:14,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181818449] [2024-11-16 07:44:14,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:14,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:44:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:44:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 07:44:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 07:44:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:44:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 07:44:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 07:44:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 07:44:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 07:44:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:44:14,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:14,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181818449] [2024-11-16 07:44:14,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181818449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:14,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:14,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:14,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756058181] [2024-11-16 07:44:14,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:14,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:14,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:14,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:14,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:14,997 INFO L87 Difference]: Start difference. First operand 8173 states and 13314 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 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) [2024-11-16 07:44:16,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:16,172 INFO L93 Difference]: Finished difference Result 20824 states and 34449 transitions. [2024-11-16 07:44:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:16,172 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 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 153 [2024-11-16 07:44:16,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:16,214 INFO L225 Difference]: With dead ends: 20824 [2024-11-16 07:44:16,214 INFO L226 Difference]: Without dead ends: 13904 [2024-11-16 07:44:16,232 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 [2024-11-16 07:44:16,232 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 1463 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 488 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 488 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:16,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1481 Valid, 1036 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [488 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 07:44:16,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13904 states. [2024-11-16 07:44:16,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13904 to 13793. [2024-11-16 07:44:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13793 states, 11684 states have (on average 1.5493837726805888) internal successors, (18103), 11692 states have internal predecessors, (18103), 2076 states have call successors, (2076), 28 states have call predecessors, (2076), 32 states have return successors, (2271), 2074 states have call predecessors, (2271), 2075 states have call successors, (2271) [2024-11-16 07:44:16,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13793 states to 13793 states and 22450 transitions. [2024-11-16 07:44:16,621 INFO L78 Accepts]: Start accepts. Automaton has 13793 states and 22450 transitions. Word has length 153 [2024-11-16 07:44:16,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:16,621 INFO L471 AbstractCegarLoop]: Abstraction has 13793 states and 22450 transitions. [2024-11-16 07:44:16,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 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) [2024-11-16 07:44:16,622 INFO L276 IsEmpty]: Start isEmpty. Operand 13793 states and 22450 transitions. [2024-11-16 07:44:16,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-16 07:44:16,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:16,645 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:16,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 07:44:16,646 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:16,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:16,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1699476701, now seen corresponding path program 1 times [2024-11-16 07:44:16,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:16,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44790295] [2024-11-16 07:44:16,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:16,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:44:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 07:44:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:44:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:44:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:44:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:44:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 07:44:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 07:44:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 07:44:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:16,727 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:44:16,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:16,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44790295] [2024-11-16 07:44:16,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44790295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:16,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:16,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:16,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519051313] [2024-11-16 07:44:16,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:16,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:16,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:16,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:16,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:16,729 INFO L87 Difference]: Start difference. First operand 13793 states and 22450 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 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) [2024-11-16 07:44:18,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:18,027 INFO L93 Difference]: Finished difference Result 33550 states and 54867 transitions. [2024-11-16 07:44:18,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:18,028 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 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 154 [2024-11-16 07:44:18,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:18,089 INFO L225 Difference]: With dead ends: 33550 [2024-11-16 07:44:18,090 INFO L226 Difference]: Without dead ends: 22062 [2024-11-16 07:44:18,119 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 [2024-11-16 07:44:18,119 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1457 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1475 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 1899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:18,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1475 Valid, 975 Invalid, 1899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 07:44:18,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22062 states. [2024-11-16 07:44:18,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22062 to 21951. [2024-11-16 07:44:18,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21951 states, 18639 states have (on average 1.5147808358817534) internal successors, (28234), 18647 states have internal predecessors, (28234), 3279 states have call successors, (3279), 28 states have call predecessors, (3279), 32 states have return successors, (3618), 3277 states have call predecessors, (3618), 3278 states have call successors, (3618) [2024-11-16 07:44:18,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21951 states to 21951 states and 35131 transitions. [2024-11-16 07:44:18,811 INFO L78 Accepts]: Start accepts. Automaton has 21951 states and 35131 transitions. Word has length 154 [2024-11-16 07:44:18,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:18,814 INFO L471 AbstractCegarLoop]: Abstraction has 21951 states and 35131 transitions. [2024-11-16 07:44:18,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 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) [2024-11-16 07:44:18,814 INFO L276 IsEmpty]: Start isEmpty. Operand 21951 states and 35131 transitions. [2024-11-16 07:44:18,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-16 07:44:18,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:18,839 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:18,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 07:44:18,839 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:18,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:18,840 INFO L85 PathProgramCache]: Analyzing trace with hash -2096470451, now seen corresponding path program 1 times [2024-11-16 07:44:18,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:18,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640312812] [2024-11-16 07:44:18,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:18,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:44:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:44:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 07:44:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 07:44:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:44:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:44:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 07:44:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 07:44:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 07:44:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:44:18,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:18,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640312812] [2024-11-16 07:44:18,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640312812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:18,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:18,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:18,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328869419] [2024-11-16 07:44:18,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:18,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:18,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:18,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:18,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:18,944 INFO L87 Difference]: Start difference. First operand 21951 states and 35131 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 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) [2024-11-16 07:44:20,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:20,617 INFO L93 Difference]: Finished difference Result 58394 states and 94793 transitions. [2024-11-16 07:44:20,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:20,618 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 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 155 [2024-11-16 07:44:20,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:20,741 INFO L225 Difference]: With dead ends: 58394 [2024-11-16 07:44:20,741 INFO L226 Difference]: Without dead ends: 39498 [2024-11-16 07:44:20,904 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 [2024-11-16 07:44:20,904 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1460 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 1911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 501 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:20,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1478 Valid, 1001 Invalid, 1911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [501 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 07:44:20,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39498 states. [2024-11-16 07:44:21,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39498 to 39387. [2024-11-16 07:44:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39387 states, 33625 states have (on average 1.5090260223048326) internal successors, (50741), 33633 states have internal predecessors, (50741), 5729 states have call successors, (5729), 28 states have call predecessors, (5729), 32 states have return successors, (6342), 5727 states have call predecessors, (6342), 5728 states have call successors, (6342) [2024-11-16 07:44:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39387 states to 39387 states and 62812 transitions. [2024-11-16 07:44:21,854 INFO L78 Accepts]: Start accepts. Automaton has 39387 states and 62812 transitions. Word has length 155 [2024-11-16 07:44:21,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:21,855 INFO L471 AbstractCegarLoop]: Abstraction has 39387 states and 62812 transitions. [2024-11-16 07:44:21,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 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) [2024-11-16 07:44:21,855 INFO L276 IsEmpty]: Start isEmpty. Operand 39387 states and 62812 transitions. [2024-11-16 07:44:22,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-16 07:44:22,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:22,067 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:22,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 07:44:22,068 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:22,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:22,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1844217662, now seen corresponding path program 1 times [2024-11-16 07:44:22,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:22,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127165499] [2024-11-16 07:44:22,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:22,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:44:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 07:44:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:44:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 07:44:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:44:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:44:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 07:44:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 07:44:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:44:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 07:44:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-16 07:44:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 07:44:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:22,201 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:22,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:22,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127165499] [2024-11-16 07:44:22,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127165499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:22,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:22,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:22,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399462585] [2024-11-16 07:44:22,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:22,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:22,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:22,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:22,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:22,204 INFO L87 Difference]: Start difference. First operand 39387 states and 62812 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 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) [2024-11-16 07:44:24,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:24,640 INFO L93 Difference]: Finished difference Result 107953 states and 174089 transitions. [2024-11-16 07:44:24,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:24,641 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 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 175 [2024-11-16 07:44:24,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:25,005 INFO L225 Difference]: With dead ends: 107953 [2024-11-16 07:44:25,006 INFO L226 Difference]: Without dead ends: 72680 [2024-11-16 07:44:25,066 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 [2024-11-16 07:44:25,067 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1450 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1468 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:25,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1468 Valid, 1013 Invalid, 1920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [486 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 07:44:25,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72680 states. [2024-11-16 07:44:26,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72680 to 72569. [2024-11-16 07:44:26,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72569 states, 62294 states have (on average 1.502696888945966) internal successors, (93609), 62302 states have internal predecessors, (93609), 10242 states have call successors, (10242), 28 states have call predecessors, (10242), 32 states have return successors, (11387), 10240 states have call predecessors, (11387), 10241 states have call successors, (11387) [2024-11-16 07:44:27,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72569 states to 72569 states and 115238 transitions. [2024-11-16 07:44:27,310 INFO L78 Accepts]: Start accepts. Automaton has 72569 states and 115238 transitions. Word has length 175 [2024-11-16 07:44:27,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:27,312 INFO L471 AbstractCegarLoop]: Abstraction has 72569 states and 115238 transitions. [2024-11-16 07:44:27,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 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) [2024-11-16 07:44:27,312 INFO L276 IsEmpty]: Start isEmpty. Operand 72569 states and 115238 transitions. [2024-11-16 07:44:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-16 07:44:27,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:27,343 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:27,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 07:44:27,343 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:27,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:27,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1916939443, now seen corresponding path program 1 times [2024-11-16 07:44:27,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:27,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921253085] [2024-11-16 07:44:27,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:27,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:44:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:44:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:44:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:44:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:44:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:44:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:44:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:44:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 07:44:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,426 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:44:27,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:27,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921253085] [2024-11-16 07:44:27,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921253085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:27,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:27,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:27,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933839134] [2024-11-16 07:44:27,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:27,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:27,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:27,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:27,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:27,429 INFO L87 Difference]: Start difference. First operand 72569 states and 115238 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 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) [2024-11-16 07:44:30,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:30,480 INFO L93 Difference]: Finished difference Result 136656 states and 220279 transitions. [2024-11-16 07:44:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:30,481 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 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 157 [2024-11-16 07:44:30,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:30,830 INFO L225 Difference]: With dead ends: 136656 [2024-11-16 07:44:30,830 INFO L226 Difference]: Without dead ends: 136441 [2024-11-16 07:44:30,865 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 [2024-11-16 07:44:30,866 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 1444 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 1924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:30,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1461 Valid, 1041 Invalid, 1924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 07:44:30,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136441 states. [2024-11-16 07:44:34,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136441 to 136330. [2024-11-16 07:44:34,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136330 states, 117687 states have (on average 1.4956537255601723) internal successors, (176019), 117695 states have internal predecessors, (176019), 18610 states have call successors, (18610), 28 states have call predecessors, (18610), 32 states have return successors, (20801), 18608 states have call predecessors, (20801), 18609 states have call successors, (20801) [2024-11-16 07:44:35,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136330 states to 136330 states and 215430 transitions. [2024-11-16 07:44:35,326 INFO L78 Accepts]: Start accepts. Automaton has 136330 states and 215430 transitions. Word has length 157 [2024-11-16 07:44:35,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:35,327 INFO L471 AbstractCegarLoop]: Abstraction has 136330 states and 215430 transitions. [2024-11-16 07:44:35,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 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) [2024-11-16 07:44:35,327 INFO L276 IsEmpty]: Start isEmpty. Operand 136330 states and 215430 transitions. [2024-11-16 07:44:35,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-16 07:44:35,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:35,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:35,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 07:44:35,396 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:35,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:35,397 INFO L85 PathProgramCache]: Analyzing trace with hash 819911453, now seen corresponding path program 1 times [2024-11-16 07:44:35,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:35,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583079309] [2024-11-16 07:44:35,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:35,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:44:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:44:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:44:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:44:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 07:44:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 07:44:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 07:44:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:44:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 07:44:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:44:35,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:35,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583079309] [2024-11-16 07:44:35,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583079309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:35,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:35,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-16 07:44:35,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467492163] [2024-11-16 07:44:35,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:35,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 07:44:35,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:35,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 07:44:35,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2024-11-16 07:44:35,703 INFO L87 Difference]: Start difference. First operand 136330 states and 215430 transitions. Second operand has 18 states, 16 states have (on average 6.8125) internal successors, (109), 12 states have internal predecessors, (109), 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) [2024-11-16 07:44:45,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:45,205 INFO L93 Difference]: Finished difference Result 272044 states and 441928 transitions. [2024-11-16 07:44:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-16 07:44:45,205 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.8125) internal successors, (109), 12 states have internal predecessors, (109), 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) Word has length 158 [2024-11-16 07:44:45,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:46,128 INFO L225 Difference]: With dead ends: 272044 [2024-11-16 07:44:46,128 INFO L226 Difference]: Without dead ends: 271835 [2024-11-16 07:44:46,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1174 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=836, Invalid=3586, Unknown=0, NotChecked=0, Total=4422 [2024-11-16 07:44:46,214 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 5203 mSDsluCounter, 3256 mSDsCounter, 0 mSdLazyCounter, 9261 mSolverCounterSat, 1719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5203 SdHoareTripleChecker+Valid, 3524 SdHoareTripleChecker+Invalid, 10980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1719 IncrementalHoareTripleChecker+Valid, 9261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:46,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5203 Valid, 3524 Invalid, 10980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1719 Valid, 9261 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-16 07:44:46,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271835 states. [2024-11-16 07:44:53,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271835 to 271397. [2024-11-16 07:44:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271397 states, 234332 states have (on average 1.4963171909939743) internal successors, (350635), 234240 states have internal predecessors, (350635), 36980 states have call successors, (36980), 75 states have call predecessors, (36980), 84 states have return successors, (44644), 37087 states have call predecessors, (44644), 36977 states have call successors, (44644) [2024-11-16 07:44:54,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271397 states to 271397 states and 432259 transitions. [2024-11-16 07:44:54,889 INFO L78 Accepts]: Start accepts. Automaton has 271397 states and 432259 transitions. Word has length 158 [2024-11-16 07:44:54,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:54,890 INFO L471 AbstractCegarLoop]: Abstraction has 271397 states and 432259 transitions. [2024-11-16 07:44:54,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.8125) internal successors, (109), 12 states have internal predecessors, (109), 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) [2024-11-16 07:44:54,890 INFO L276 IsEmpty]: Start isEmpty. Operand 271397 states and 432259 transitions. [2024-11-16 07:44:54,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-16 07:44:54,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:54,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:54,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 07:44:54,959 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:54,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:54,960 INFO L85 PathProgramCache]: Analyzing trace with hash -783008833, now seen corresponding path program 1 times [2024-11-16 07:44:54,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:54,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437291623] [2024-11-16 07:44:54,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:54,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:44:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:44:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:44:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:44:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 07:44:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 07:44:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 07:44:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 07:44:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 07:44:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:44:55,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:55,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437291623] [2024-11-16 07:44:55,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437291623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:55,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:55,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 07:44:55,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857360878] [2024-11-16 07:44:55,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:55,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 07:44:55,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:55,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 07:44:55,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:44:55,102 INFO L87 Difference]: Start difference. First operand 271397 states and 432259 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)