./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_spec6_productSimulator.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 c86855dab8667fe80df418e2dda62d52081f1a657b6492a63fb3d2a1da4890b5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:13:50,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:13:50,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:13:50,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:13:50,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:13:50,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:13:50,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:13:50,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:13:50,136 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:13:50,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:13:50,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:13:50,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:13:50,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:13:50,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:13:50,141 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:13:50,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:13:50,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:13:50,142 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:13:50,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:13:50,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:13:50,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:13:50,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:13:50,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:13:50,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:13:50,148 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:13:50,148 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:13:50,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:13:50,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:13:50,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:13:50,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:13:50,149 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:13:50,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:13:50,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:13:50,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:13:50,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:13:50,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:13:50,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:13:50,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:13:50,151 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:13:50,151 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:13:50,152 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:13:50,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:13:50,153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c86855dab8667fe80df418e2dda62d52081f1a657b6492a63fb3d2a1da4890b5 [2024-11-18 14:13:50,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:13:50,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:13:50,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:13:50,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:13:50,445 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:13:50,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c [2024-11-18 14:13:51,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:13:52,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:13:52,302 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c [2024-11-18 14:13:52,332 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6102ac7c9/f4f8db2c9ea0432cb423ff65e0d2063d/FLAG470a23360 [2024-11-18 14:13:52,346 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6102ac7c9/f4f8db2c9ea0432cb423ff65e0d2063d [2024-11-18 14:13:52,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:13:52,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:13:52,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:13:52,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:13:52,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:13:52,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:13:52" (1/1) ... [2024-11-18 14:13:52,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b04e712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:52, skipping insertion in model container [2024-11-18 14:13:52,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:13:52" (1/1) ... [2024-11-18 14:13:52,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:13:52,870 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_spec6_productSimulator.cil.c[17001,17014] [2024-11-18 14:13:53,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:13:53,180 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:13:53,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [48] [2024-11-18 14:13:53,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [111] [2024-11-18 14:13:53,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [477] [2024-11-18 14:13:53,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [692] [2024-11-18 14:13:53,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [701] [2024-11-18 14:13:53,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [811] [2024-11-18 14:13:53,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1890] [2024-11-18 14:13:53,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1907] [2024-11-18 14:13:53,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2184] [2024-11-18 14:13:53,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2539] [2024-11-18 14:13:53,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2941] [2024-11-18 14:13:53,236 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_spec6_productSimulator.cil.c[17001,17014] [2024-11-18 14:13:53,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:13:53,368 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:13:53,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53 WrapperNode [2024-11-18 14:13:53,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:13:53,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:13:53,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:13:53,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:13:53,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53" (1/1) ... [2024-11-18 14:13:53,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53" (1/1) ... [2024-11-18 14:13:53,545 INFO L138 Inliner]: procedures = 152, calls = 268, calls flagged for inlining = 68, calls inlined = 65, statements flattened = 1344 [2024-11-18 14:13:53,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:13:53,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:13:53,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:13:53,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:13:53,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53" (1/1) ... [2024-11-18 14:13:53,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53" (1/1) ... [2024-11-18 14:13:53,609 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53" (1/1) ... [2024-11-18 14:13:53,671 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]. [2024-11-18 14:13:53,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53" (1/1) ... [2024-11-18 14:13:53,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53" (1/1) ... [2024-11-18 14:13:53,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53" (1/1) ... [2024-11-18 14:13:53,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53" (1/1) ... [2024-11-18 14:13:53,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53" (1/1) ... [2024-11-18 14:13:53,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53" (1/1) ... [2024-11-18 14:13:53,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:13:53,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:13:53,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:13:53,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:13:53,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53" (1/1) ... [2024-11-18 14:13:53,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:13:53,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:13:53,810 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) [2024-11-18 14:13:53,813 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 [2024-11-18 14:13:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-18 14:13:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-18 14:13:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2024-11-18 14:13:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2024-11-18 14:13:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2024-11-18 14:13:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2024-11-18 14:13:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-18 14:13:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-18 14:13:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-18 14:13:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-18 14:13:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-18 14:13:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-18 14:13:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-18 14:13:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-18 14:13:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2024-11-18 14:13:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2024-11-18 14:13:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-18 14:13:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-18 14:13:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2024-11-18 14:13:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2024-11-18 14:13:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-18 14:13:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-18 14:13:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-18 14:13:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-18 14:13:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-18 14:13:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-18 14:13:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2024-11-18 14:13:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2024-11-18 14:13:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2024-11-18 14:13:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2024-11-18 14:13:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-18 14:13:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-18 14:13:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-18 14:13:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-18 14:13:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-18 14:13:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-18 14:13:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2024-11-18 14:13:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2024-11-18 14:13:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-18 14:13:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-18 14:13:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-18 14:13:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-18 14:13:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-18 14:13:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-18 14:13:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2024-11-18 14:13:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2024-11-18 14:13:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:13:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-18 14:13:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-18 14:13:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-18 14:13:53,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-18 14:13:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2024-11-18 14:13:53,875 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2024-11-18 14:13:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2024-11-18 14:13:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2024-11-18 14:13:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2024-11-18 14:13:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2024-11-18 14:13:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-18 14:13:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-18 14:13:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-18 14:13:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-18 14:13:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-18 14:13:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-18 14:13:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-18 14:13:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-18 14:13:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-18 14:13:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-18 14:13:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-18 14:13:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-18 14:13:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-18 14:13:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-18 14:13:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2024-11-18 14:13:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2024-11-18 14:13:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2024-11-18 14:13:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2024-11-18 14:13:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-18 14:13:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-18 14:13:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-18 14:13:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-18 14:13:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:13:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 14:13:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 14:13:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 14:13:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-18 14:13:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-18 14:13:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2024-11-18 14:13:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2024-11-18 14:13:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2024-11-18 14:13:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2024-11-18 14:13:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-18 14:13:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-18 14:13:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:13:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:13:54,150 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:13:54,153 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:13:55,514 INFO L? ?]: Removed 631 outVars from TransFormulas that were not future-live. [2024-11-18 14:13:55,514 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:13:55,551 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:13:55,551 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 14:13:55,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:13:55 BoogieIcfgContainer [2024-11-18 14:13:55,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:13:55,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:13:55,554 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:13:55,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:13:55,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:13:52" (1/3) ... [2024-11-18 14:13:55,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27683046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:13:55, skipping insertion in model container [2024-11-18 14:13:55,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:53" (2/3) ... [2024-11-18 14:13:55,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27683046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:13:55, skipping insertion in model container [2024-11-18 14:13:55,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:13:55" (3/3) ... [2024-11-18 14:13:55,561 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_productSimulator.cil.c [2024-11-18 14:13:55,579 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:13:55,579 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:13:55,680 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:13:55,689 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;@439f9308, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:13:55,690 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:13:55,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 608 states, 451 states have (on average 1.5121951219512195) internal successors, (682), 471 states have internal predecessors, (682), 112 states have call successors, (112), 43 states have call predecessors, (112), 43 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-18 14:13:55,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-18 14:13:55,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:13:55,730 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:13:55,730 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:13:55,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:13:55,739 INFO L85 PathProgramCache]: Analyzing trace with hash -7041154, now seen corresponding path program 1 times [2024-11-18 14:13:55,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:13:55,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841571224] [2024-11-18 14:13:55,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:13:55,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:13:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:13:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-18 14:13:56,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:13:56,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841571224] [2024-11-18 14:13:56,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841571224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:13:56,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:13:56,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 14:13:56,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646092127] [2024-11-18 14:13:56,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:13:56,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:13:56,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:13:56,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:13:56,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:13:56,273 INFO L87 Difference]: Start difference. First operand has 608 states, 451 states have (on average 1.5121951219512195) internal successors, (682), 471 states have internal predecessors, (682), 112 states have call successors, (112), 43 states have call predecessors, (112), 43 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) Second operand has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-18 14:13:56,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:13:56,374 INFO L93 Difference]: Finished difference Result 947 states and 1391 transitions. [2024-11-18 14:13:56,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:13:56,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 173 [2024-11-18 14:13:56,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:13:56,409 INFO L225 Difference]: With dead ends: 947 [2024-11-18 14:13:56,410 INFO L226 Difference]: Without dead ends: 601 [2024-11-18 14:13:56,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:13:56,427 INFO L432 NwaCegarLoop]: 902 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, 902 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 [2024-11-18 14:13:56,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:13:56,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-18 14:13:56,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2024-11-18 14:13:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 445 states have (on average 1.5078651685393258) internal successors, (671), 464 states have internal predecessors, (671), 112 states have call successors, (112), 43 states have call predecessors, (112), 43 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-18 14:13:56,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 894 transitions. [2024-11-18 14:13:56,534 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 894 transitions. Word has length 173 [2024-11-18 14:13:56,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:13:56,538 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 894 transitions. [2024-11-18 14:13:56,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-18 14:13:56,539 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 894 transitions. [2024-11-18 14:13:56,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-18 14:13:56,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:13:56,551 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:13:56,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:13:56,552 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:13:56,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:13:56,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1812083785, now seen corresponding path program 1 times [2024-11-18 14:13:56,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:13:56,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243258624] [2024-11-18 14:13:56,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:13:56,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:13:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:13:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-18 14:13:56,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:13:56,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243258624] [2024-11-18 14:13:56,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243258624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:13:56,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:13:56,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:13:56,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427338233] [2024-11-18 14:13:56,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:13:56,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:13:56,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:13:56,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:13:56,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:13:56,965 INFO L87 Difference]: Start difference. First operand 601 states and 894 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-18 14:13:57,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:13:57,095 INFO L93 Difference]: Finished difference Result 1166 states and 1732 transitions. [2024-11-18 14:13:57,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:13:57,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 153 [2024-11-18 14:13:57,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:13:57,104 INFO L225 Difference]: With dead ends: 1166 [2024-11-18 14:13:57,105 INFO L226 Difference]: Without dead ends: 601 [2024-11-18 14:13:57,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:13:57,110 INFO L432 NwaCegarLoop]: 892 mSDtfsCounter, 0 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3556 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:13:57,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3556 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:13:57,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-18 14:13:57,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2024-11-18 14:13:57,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 445 states have (on average 1.4921348314606742) internal successors, (664), 464 states have internal predecessors, (664), 112 states have call successors, (112), 43 states have call predecessors, (112), 43 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-18 14:13:57,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 887 transitions. [2024-11-18 14:13:57,157 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 887 transitions. Word has length 153 [2024-11-18 14:13:57,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:13:57,158 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 887 transitions. [2024-11-18 14:13:57,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-18 14:13:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 887 transitions. [2024-11-18 14:13:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-18 14:13:57,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:13:57,165 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:13:57,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:13:57,166 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:13:57,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:13:57,170 INFO L85 PathProgramCache]: Analyzing trace with hash 640268280, now seen corresponding path program 1 times [2024-11-18 14:13:57,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:13:57,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361878469] [2024-11-18 14:13:57,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:13:57,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:13:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:13:57,400 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-18 14:13:57,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:13:57,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361878469] [2024-11-18 14:13:57,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361878469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:13:57,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:13:57,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:13:57,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063494751] [2024-11-18 14:13:57,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:13:57,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:13:57,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:13:57,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:13:57,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:13:57,405 INFO L87 Difference]: Start difference. First operand 601 states and 887 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-18 14:13:57,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:13:57,469 INFO L93 Difference]: Finished difference Result 1176 states and 1756 transitions. [2024-11-18 14:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:13:57,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 158 [2024-11-18 14:13:57,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:13:57,476 INFO L225 Difference]: With dead ends: 1176 [2024-11-18 14:13:57,478 INFO L226 Difference]: Without dead ends: 600 [2024-11-18 14:13:57,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:13:57,481 INFO L432 NwaCegarLoop]: 871 mSDtfsCounter, 853 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:13:57,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 880 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:13:57,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-18 14:13:57,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2024-11-18 14:13:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 446 states have (on average 1.4798206278026906) internal successors, (660), 463 states have internal predecessors, (660), 109 states have call successors, (109), 44 states have call predecessors, (109), 44 states have return successors, (108), 107 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-18 14:13:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 877 transitions. [2024-11-18 14:13:57,530 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 877 transitions. Word has length 158 [2024-11-18 14:13:57,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:13:57,530 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 877 transitions. [2024-11-18 14:13:57,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-18 14:13:57,531 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 877 transitions. [2024-11-18 14:13:57,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-18 14:13:57,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:13:57,535 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:13:57,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:13:57,536 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:13:57,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:13:57,537 INFO L85 PathProgramCache]: Analyzing trace with hash 828933394, now seen corresponding path program 1 times [2024-11-18 14:13:57,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:13:57,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185904977] [2024-11-18 14:13:57,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:13:57,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:13:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:13:57,671 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-18 14:13:57,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:13:57,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185904977] [2024-11-18 14:13:57,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185904977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:13:57,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:13:57,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:13:57,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842313135] [2024-11-18 14:13:57,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:13:57,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:13:57,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:13:57,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:13:57,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:13:57,677 INFO L87 Difference]: Start difference. First operand 600 states and 877 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-18 14:13:57,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:13:57,731 INFO L93 Difference]: Finished difference Result 1169 states and 1724 transitions. [2024-11-18 14:13:57,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:13:57,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 174 [2024-11-18 14:13:57,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:13:57,742 INFO L225 Difference]: With dead ends: 1169 [2024-11-18 14:13:57,743 INFO L226 Difference]: Without dead ends: 599 [2024-11-18 14:13:57,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:13:57,746 INFO L432 NwaCegarLoop]: 869 mSDtfsCounter, 839 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:13:57,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 898 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:13:57,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-18 14:13:57,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2024-11-18 14:13:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 446 states have (on average 1.4753363228699552) internal successors, (658), 462 states have internal predecessors, (658), 108 states have call successors, (108), 44 states have call predecessors, (108), 44 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-18 14:13:57,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 873 transitions. [2024-11-18 14:13:57,810 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 873 transitions. Word has length 174 [2024-11-18 14:13:57,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:13:57,811 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 873 transitions. [2024-11-18 14:13:57,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-18 14:13:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 873 transitions. [2024-11-18 14:13:57,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-18 14:13:57,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:13:57,815 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:13:57,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:13:57,816 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:13:57,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:13:57,816 INFO L85 PathProgramCache]: Analyzing trace with hash 604516496, now seen corresponding path program 1 times [2024-11-18 14:13:57,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:13:57,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943667961] [2024-11-18 14:13:57,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:13:57,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:13:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:13:57,927 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-18 14:13:57,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:13:57,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943667961] [2024-11-18 14:13:57,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943667961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:13:57,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:13:57,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:13:57,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004073343] [2024-11-18 14:13:57,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:13:57,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:13:57,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:13:57,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:13:57,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:13:57,930 INFO L87 Difference]: Start difference. First operand 599 states and 873 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-18 14:13:58,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:13:58,004 INFO L93 Difference]: Finished difference Result 1149 states and 1682 transitions. [2024-11-18 14:13:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:13:58,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 175 [2024-11-18 14:13:58,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:13:58,010 INFO L225 Difference]: With dead ends: 1149 [2024-11-18 14:13:58,010 INFO L226 Difference]: Without dead ends: 596 [2024-11-18 14:13:58,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:13:58,015 INFO L432 NwaCegarLoop]: 842 mSDtfsCounter, 811 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:13:58,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 875 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:13:58,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-18 14:13:58,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2024-11-18 14:13:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 446 states have (on average 1.4506726457399104) internal successors, (647), 457 states have internal predecessors, (647), 105 states have call successors, (105), 44 states have call predecessors, (105), 44 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-18 14:13:58,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 856 transitions. [2024-11-18 14:13:58,060 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 856 transitions. Word has length 175 [2024-11-18 14:13:58,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:13:58,063 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 856 transitions. [2024-11-18 14:13:58,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-18 14:13:58,063 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 856 transitions. [2024-11-18 14:13:58,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-18 14:13:58,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:13:58,067 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:13:58,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:13:58,068 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:13:58,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:13:58,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1629367792, now seen corresponding path program 1 times [2024-11-18 14:13:58,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:13:58,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566620011] [2024-11-18 14:13:58,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:13:58,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:13:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:13:58,447 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-18 14:13:58,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:13:58,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566620011] [2024-11-18 14:13:58,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566620011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:13:58,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759879479] [2024-11-18 14:13:58,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:13:58,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:13:58,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:13:58,453 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) [2024-11-18 14:13:58,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 14:13:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:13:58,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 1524 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-18 14:13:58,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:13:59,026 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-18 14:13:59,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:13:59,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759879479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:13:59,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:13:59,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-18 14:13:59,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040605692] [2024-11-18 14:13:59,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:13:59,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:13:59,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:13:59,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:13:59,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:13:59,032 INFO L87 Difference]: Start difference. First operand 596 states and 856 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:13:59,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:13:59,084 INFO L93 Difference]: Finished difference Result 927 states and 1313 transitions. [2024-11-18 14:13:59,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:13:59,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 200 [2024-11-18 14:13:59,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:13:59,088 INFO L225 Difference]: With dead ends: 927 [2024-11-18 14:13:59,089 INFO L226 Difference]: Without dead ends: 599 [2024-11-18 14:13:59,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:13:59,091 INFO L432 NwaCegarLoop]: 852 mSDtfsCounter, 1 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:13:59,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1702 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:13:59,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-18 14:13:59,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 598. [2024-11-18 14:13:59,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 448 states have (on average 1.4486607142857142) internal successors, (649), 459 states have internal predecessors, (649), 105 states have call successors, (105), 44 states have call predecessors, (105), 44 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-18 14:13:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 858 transitions. [2024-11-18 14:13:59,149 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 858 transitions. Word has length 200 [2024-11-18 14:13:59,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:13:59,150 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 858 transitions. [2024-11-18 14:13:59,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:13:59,151 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 858 transitions. [2024-11-18 14:13:59,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-18 14:13:59,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:13:59,154 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:13:59,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 14:13:59,358 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,SelfDestructingSolverStorable5 [2024-11-18 14:13:59,359 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:13:59,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:13:59,359 INFO L85 PathProgramCache]: Analyzing trace with hash -727377520, now seen corresponding path program 1 times [2024-11-18 14:13:59,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:13:59,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384617687] [2024-11-18 14:13:59,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:13:59,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:13:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:13:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-18 14:13:59,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:13:59,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384617687] [2024-11-18 14:13:59,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384617687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:13:59,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952514887] [2024-11-18 14:13:59,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:13:59,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:13:59,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:13:59,757 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) [2024-11-18 14:13:59,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 14:14:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:00,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 1538 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:14:00,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-18 14:14:00,250 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:00,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952514887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:00,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:00,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-18 14:14:00,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929197523] [2024-11-18 14:14:00,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:00,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:00,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:00,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:00,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:00,254 INFO L87 Difference]: Start difference. First operand 598 states and 858 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:00,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:00,305 INFO L93 Difference]: Finished difference Result 1216 states and 1777 transitions. [2024-11-18 14:14:00,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:00,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 208 [2024-11-18 14:14:00,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:00,312 INFO L225 Difference]: With dead ends: 1216 [2024-11-18 14:14:00,312 INFO L226 Difference]: Without dead ends: 696 [2024-11-18 14:14:00,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:00,317 INFO L432 NwaCegarLoop]: 872 mSDtfsCounter, 165 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1677 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 [2024-11-18 14:14:00,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1677 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:00,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-18 14:14:00,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 688. [2024-11-18 14:14:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 524 states have (on average 1.463740458015267) internal successors, (767), 535 states have internal predecessors, (767), 119 states have call successors, (119), 44 states have call predecessors, (119), 44 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-18 14:14:00,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1004 transitions. [2024-11-18 14:14:00,359 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1004 transitions. Word has length 208 [2024-11-18 14:14:00,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:00,360 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 1004 transitions. [2024-11-18 14:14:00,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:00,361 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1004 transitions. [2024-11-18 14:14:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-18 14:14:00,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:00,365 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:00,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 14:14:00,565 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,SelfDestructingSolverStorable6 [2024-11-18 14:14:00,566 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:00,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:00,566 INFO L85 PathProgramCache]: Analyzing trace with hash -922426230, now seen corresponding path program 1 times [2024-11-18 14:14:00,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:00,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734342341] [2024-11-18 14:14:00,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:00,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:00,882 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-18 14:14:00,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:00,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734342341] [2024-11-18 14:14:00,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734342341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:00,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292837587] [2024-11-18 14:14:00,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:00,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:00,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:00,885 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) [2024-11-18 14:14:00,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 14:14:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:01,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 1543 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-18 14:14:01,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:01,482 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-18 14:14:01,483 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:01,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292837587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:01,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:01,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-18 14:14:01,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563805358] [2024-11-18 14:14:01,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:01,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:14:01,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:01,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:14:01,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-18 14:14:01,486 INFO L87 Difference]: Start difference. First operand 688 states and 1004 transitions. Second operand has 8 states, 6 states have (on average 20.666666666666668) internal successors, (124), 8 states have internal predecessors, (124), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-18 14:14:01,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:01,629 INFO L93 Difference]: Finished difference Result 1323 states and 1945 transitions. [2024-11-18 14:14:01,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 14:14:01,630 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 20.666666666666668) internal successors, (124), 8 states have internal predecessors, (124), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 209 [2024-11-18 14:14:01,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:01,636 INFO L225 Difference]: With dead ends: 1323 [2024-11-18 14:14:01,638 INFO L226 Difference]: Without dead ends: 690 [2024-11-18 14:14:01,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-18 14:14:01,644 INFO L432 NwaCegarLoop]: 843 mSDtfsCounter, 4 mSDsluCounter, 5041 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5884 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:01,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5884 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:14:01,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-18 14:14:01,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 690. [2024-11-18 14:14:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 525 states have (on average 1.4628571428571429) internal successors, (768), 537 states have internal predecessors, (768), 119 states have call successors, (119), 44 states have call predecessors, (119), 45 states have return successors, (120), 117 states have call predecessors, (120), 118 states have call successors, (120) [2024-11-18 14:14:01,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1007 transitions. [2024-11-18 14:14:01,685 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1007 transitions. Word has length 209 [2024-11-18 14:14:01,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:01,686 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 1007 transitions. [2024-11-18 14:14:01,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 20.666666666666668) internal successors, (124), 8 states have internal predecessors, (124), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-18 14:14:01,687 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1007 transitions. [2024-11-18 14:14:01,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-18 14:14:01,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:01,691 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:01,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-18 14:14:01,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:01,896 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:01,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:01,897 INFO L85 PathProgramCache]: Analyzing trace with hash 783063650, now seen corresponding path program 1 times [2024-11-18 14:14:01,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:01,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126889595] [2024-11-18 14:14:01,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:01,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:02,224 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-18 14:14:02,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:02,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126889595] [2024-11-18 14:14:02,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126889595] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:02,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487513813] [2024-11-18 14:14:02,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:02,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:02,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:02,227 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) [2024-11-18 14:14:02,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-18 14:14:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:02,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 1544 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-18 14:14:02,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:02,813 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-18 14:14:02,814 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:02,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487513813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:02,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:02,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-18 14:14:02,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864903517] [2024-11-18 14:14:02,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:02,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:14:02,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:02,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:14:02,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-18 14:14:02,817 INFO L87 Difference]: Start difference. First operand 690 states and 1007 transitions. Second operand has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-18 14:14:02,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:02,931 INFO L93 Difference]: Finished difference Result 1324 states and 1949 transitions. [2024-11-18 14:14:02,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:14:02,932 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 210 [2024-11-18 14:14:02,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:02,937 INFO L225 Difference]: With dead ends: 1324 [2024-11-18 14:14:02,938 INFO L226 Difference]: Without dead ends: 692 [2024-11-18 14:14:02,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-18 14:14:02,941 INFO L432 NwaCegarLoop]: 843 mSDtfsCounter, 2 mSDsluCounter, 3355 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4198 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:02,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4198 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:14:02,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-18 14:14:02,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 692. [2024-11-18 14:14:02,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 526 states have (on average 1.461977186311787) internal successors, (769), 539 states have internal predecessors, (769), 119 states have call successors, (119), 44 states have call predecessors, (119), 46 states have return successors, (125), 117 states have call predecessors, (125), 118 states have call successors, (125) [2024-11-18 14:14:02,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1013 transitions. [2024-11-18 14:14:02,986 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1013 transitions. Word has length 210 [2024-11-18 14:14:02,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:02,986 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 1013 transitions. [2024-11-18 14:14:02,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-18 14:14:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1013 transitions. [2024-11-18 14:14:02,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-18 14:14:02,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:02,992 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:03,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-18 14:14:03,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:03,194 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:03,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:03,194 INFO L85 PathProgramCache]: Analyzing trace with hash 369091354, now seen corresponding path program 1 times [2024-11-18 14:14:03,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:03,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89714988] [2024-11-18 14:14:03,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:03,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-18 14:14:03,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:03,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89714988] [2024-11-18 14:14:03,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89714988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:03,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:03,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:14:03,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699674052] [2024-11-18 14:14:03,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:03,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:14:03,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:03,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:14:03,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:14:03,466 INFO L87 Difference]: Start difference. First operand 692 states and 1013 transitions. Second operand has 8 states, 6 states have (on average 20.333333333333332) internal successors, (122), 8 states have internal predecessors, (122), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-18 14:14:03,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:03,577 INFO L93 Difference]: Finished difference Result 1312 states and 1936 transitions. [2024-11-18 14:14:03,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 14:14:03,578 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 20.333333333333332) internal successors, (122), 8 states have internal predecessors, (122), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 211 [2024-11-18 14:14:03,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:03,582 INFO L225 Difference]: With dead ends: 1312 [2024-11-18 14:14:03,583 INFO L226 Difference]: Without dead ends: 692 [2024-11-18 14:14:03,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:03,585 INFO L432 NwaCegarLoop]: 844 mSDtfsCounter, 4 mSDsluCounter, 5047 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5891 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:03,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5891 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:14:03,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-18 14:14:03,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 692. [2024-11-18 14:14:03,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 526 states have (on average 1.461977186311787) internal successors, (769), 539 states have internal predecessors, (769), 119 states have call successors, (119), 44 states have call predecessors, (119), 46 states have return successors, (124), 117 states have call predecessors, (124), 118 states have call successors, (124) [2024-11-18 14:14:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1012 transitions. [2024-11-18 14:14:03,617 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1012 transitions. Word has length 211 [2024-11-18 14:14:03,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:03,618 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 1012 transitions. [2024-11-18 14:14:03,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 20.333333333333332) internal successors, (122), 8 states have internal predecessors, (122), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-18 14:14:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1012 transitions. [2024-11-18 14:14:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-18 14:14:03,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:03,622 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:03,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 14:14:03,622 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:03,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:03,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1868981753, now seen corresponding path program 1 times [2024-11-18 14:14:03,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:03,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712897354] [2024-11-18 14:14:03,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:03,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:03,903 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-18 14:14:03,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:03,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712897354] [2024-11-18 14:14:03,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712897354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:03,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:03,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:14:03,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656474479] [2024-11-18 14:14:03,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:03,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:14:03,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:03,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:14:03,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:14:03,906 INFO L87 Difference]: Start difference. First operand 692 states and 1012 transitions. Second operand has 8 states, 6 states have (on average 19.666666666666668) internal successors, (118), 8 states have internal predecessors, (118), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-18 14:14:04,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:04,023 INFO L93 Difference]: Finished difference Result 1314 states and 1939 transitions. [2024-11-18 14:14:04,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 14:14:04,023 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 19.666666666666668) internal successors, (118), 8 states have internal predecessors, (118), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 205 [2024-11-18 14:14:04,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:04,029 INFO L225 Difference]: With dead ends: 1314 [2024-11-18 14:14:04,029 INFO L226 Difference]: Without dead ends: 694 [2024-11-18 14:14:04,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:04,032 INFO L432 NwaCegarLoop]: 845 mSDtfsCounter, 3 mSDsluCounter, 5052 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5897 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:04,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5897 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:14:04,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-11-18 14:14:04,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 694. [2024-11-18 14:14:04,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 527 states have (on average 1.4611005692599621) internal successors, (770), 541 states have internal predecessors, (770), 119 states have call successors, (119), 44 states have call predecessors, (119), 47 states have return successors, (126), 117 states have call predecessors, (126), 118 states have call successors, (126) [2024-11-18 14:14:04,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 1015 transitions. [2024-11-18 14:14:04,064 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 1015 transitions. Word has length 205 [2024-11-18 14:14:04,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:04,065 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 1015 transitions. [2024-11-18 14:14:04,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 19.666666666666668) internal successors, (118), 8 states have internal predecessors, (118), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-18 14:14:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1015 transitions. [2024-11-18 14:14:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-18 14:14:04,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:04,070 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:04,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 14:14:04,070 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:04,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:04,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1620700895, now seen corresponding path program 1 times [2024-11-18 14:14:04,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:04,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133039141] [2024-11-18 14:14:04,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:04,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-18 14:14:04,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:04,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133039141] [2024-11-18 14:14:04,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133039141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:04,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:04,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-18 14:14:04,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369217669] [2024-11-18 14:14:04,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:04,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 14:14:04,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:04,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 14:14:04,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:04,333 INFO L87 Difference]: Start difference. First operand 694 states and 1015 transitions. Second operand has 9 states, 7 states have (on average 18.142857142857142) internal successors, (127), 8 states have internal predecessors, (127), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-18 14:14:04,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:04,499 INFO L93 Difference]: Finished difference Result 1311 states and 1933 transitions. [2024-11-18 14:14:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-18 14:14:04,500 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 18.142857142857142) internal successors, (127), 8 states have internal predecessors, (127), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 213 [2024-11-18 14:14:04,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:04,506 INFO L225 Difference]: With dead ends: 1311 [2024-11-18 14:14:04,506 INFO L226 Difference]: Without dead ends: 694 [2024-11-18 14:14:04,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-18 14:14:04,509 INFO L432 NwaCegarLoop]: 837 mSDtfsCounter, 7 mSDsluCounter, 5829 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 6666 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:04,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 6666 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:14:04,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-11-18 14:14:04,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 694. [2024-11-18 14:14:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 527 states have (on average 1.4611005692599621) internal successors, (770), 541 states have internal predecessors, (770), 119 states have call successors, (119), 44 states have call predecessors, (119), 47 states have return successors, (125), 117 states have call predecessors, (125), 118 states have call successors, (125) [2024-11-18 14:14:04,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 1014 transitions. [2024-11-18 14:14:04,544 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 1014 transitions. Word has length 213 [2024-11-18 14:14:04,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:04,544 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 1014 transitions. [2024-11-18 14:14:04,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 18.142857142857142) internal successors, (127), 8 states have internal predecessors, (127), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-18 14:14:04,545 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1014 transitions. [2024-11-18 14:14:04,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-18 14:14:04,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:04,549 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:04,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 14:14:04,549 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:04,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:04,550 INFO L85 PathProgramCache]: Analyzing trace with hash 294290917, now seen corresponding path program 2 times [2024-11-18 14:14:04,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:04,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532729668] [2024-11-18 14:14:04,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 14:14:04,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:04,597 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-18 14:14:04,597 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 14:14:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-18 14:14:04,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:04,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532729668] [2024-11-18 14:14:04,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532729668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:04,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:04,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:14:04,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371188310] [2024-11-18 14:14:04,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:04,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:14:04,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:04,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:14:04,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:14:04,799 INFO L87 Difference]: Start difference. First operand 694 states and 1014 transitions. Second operand has 8 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 4 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-18 14:14:04,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:04,974 INFO L93 Difference]: Finished difference Result 1313 states and 1939 transitions. [2024-11-18 14:14:04,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 14:14:04,975 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 4 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 214 [2024-11-18 14:14:04,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:04,981 INFO L225 Difference]: With dead ends: 1313 [2024-11-18 14:14:04,981 INFO L226 Difference]: Without dead ends: 696 [2024-11-18 14:14:04,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:14:04,985 INFO L432 NwaCegarLoop]: 845 mSDtfsCounter, 1 mSDsluCounter, 5044 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5889 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:04,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5889 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:14:04,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-18 14:14:05,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 696. [2024-11-18 14:14:05,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 528 states have (on average 1.4602272727272727) internal successors, (771), 543 states have internal predecessors, (771), 119 states have call successors, (119), 44 states have call predecessors, (119), 48 states have return successors, (130), 117 states have call predecessors, (130), 118 states have call successors, (130) [2024-11-18 14:14:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 1020 transitions. [2024-11-18 14:14:05,029 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 1020 transitions. Word has length 214 [2024-11-18 14:14:05,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:05,030 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 1020 transitions. [2024-11-18 14:14:05,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 4 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-18 14:14:05,030 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1020 transitions. [2024-11-18 14:14:05,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-18 14:14:05,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:05,035 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:05,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 14:14:05,035 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:05,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:05,036 INFO L85 PathProgramCache]: Analyzing trace with hash 982404519, now seen corresponding path program 1 times [2024-11-18 14:14:05,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:05,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144940529] [2024-11-18 14:14:05,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:05,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:05,192 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:05,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:05,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144940529] [2024-11-18 14:14:05,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144940529] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:05,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384197245] [2024-11-18 14:14:05,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:05,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:05,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:05,194 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) [2024-11-18 14:14:05,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-18 14:14:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:05,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:14:05,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:05,650 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:05,652 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 14:14:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:05,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384197245] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 14:14:05,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 14:14:05,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-18 14:14:05,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310817301] [2024-11-18 14:14:05,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 14:14:05,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 14:14:05,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:05,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 14:14:05,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:14:05,800 INFO L87 Difference]: Start difference. First operand 696 states and 1020 transitions. Second operand has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-18 14:14:06,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:06,003 INFO L93 Difference]: Finished difference Result 1587 states and 2398 transitions. [2024-11-18 14:14:06,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:14:06,004 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 208 [2024-11-18 14:14:06,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:06,013 INFO L225 Difference]: With dead ends: 1587 [2024-11-18 14:14:06,013 INFO L226 Difference]: Without dead ends: 1259 [2024-11-18 14:14:06,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:14:06,015 INFO L432 NwaCegarLoop]: 889 mSDtfsCounter, 597 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 3142 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:06,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 3142 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:14:06,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2024-11-18 14:14:06,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1235. [2024-11-18 14:14:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 988 states have (on average 1.513157894736842) internal successors, (1495), 1003 states have internal predecessors, (1495), 198 states have call successors, (198), 44 states have call predecessors, (198), 48 states have return successors, (219), 196 states have call predecessors, (219), 197 states have call successors, (219) [2024-11-18 14:14:06,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1912 transitions. [2024-11-18 14:14:06,095 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1912 transitions. Word has length 208 [2024-11-18 14:14:06,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:06,096 INFO L471 AbstractCegarLoop]: Abstraction has 1235 states and 1912 transitions. [2024-11-18 14:14:06,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-18 14:14:06,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1912 transitions. [2024-11-18 14:14:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-18 14:14:06,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:06,104 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:06,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-18 14:14:06,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-18 14:14:06,305 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:06,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:06,306 INFO L85 PathProgramCache]: Analyzing trace with hash 500506057, now seen corresponding path program 1 times [2024-11-18 14:14:06,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:06,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980908014] [2024-11-18 14:14:06,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:06,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:06,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:06,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980908014] [2024-11-18 14:14:06,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980908014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:06,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:06,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:06,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660319777] [2024-11-18 14:14:06,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:06,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:06,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:06,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:06,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:06,404 INFO L87 Difference]: Start difference. First operand 1235 states and 1912 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-18 14:14:06,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:06,459 INFO L93 Difference]: Finished difference Result 2844 states and 4473 transitions. [2024-11-18 14:14:06,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:06,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 212 [2024-11-18 14:14:06,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:06,472 INFO L225 Difference]: With dead ends: 2844 [2024-11-18 14:14:06,472 INFO L226 Difference]: Without dead ends: 1744 [2024-11-18 14:14:06,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:06,478 INFO L432 NwaCegarLoop]: 867 mSDtfsCounter, 163 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1706 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 [2024-11-18 14:14:06,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1706 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:06,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2024-11-18 14:14:06,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1736. [2024-11-18 14:14:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1410 states have (on average 1.525531914893617) internal successors, (2151), 1425 states have internal predecessors, (2151), 277 states have call successors, (277), 44 states have call predecessors, (277), 48 states have return successors, (308), 275 states have call predecessors, (308), 276 states have call successors, (308) [2024-11-18 14:14:06,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2736 transitions. [2024-11-18 14:14:06,553 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2736 transitions. Word has length 212 [2024-11-18 14:14:06,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:06,553 INFO L471 AbstractCegarLoop]: Abstraction has 1736 states and 2736 transitions. [2024-11-18 14:14:06,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-18 14:14:06,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2736 transitions. [2024-11-18 14:14:06,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-18 14:14:06,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:06,562 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:06,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-18 14:14:06,563 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:06,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:06,564 INFO L85 PathProgramCache]: Analyzing trace with hash -400849272, now seen corresponding path program 1 times [2024-11-18 14:14:06,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:06,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312420024] [2024-11-18 14:14:06,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:06,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:06,655 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:06,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:06,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312420024] [2024-11-18 14:14:06,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312420024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:06,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:06,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:06,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448726762] [2024-11-18 14:14:06,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:06,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:06,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:06,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:06,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:06,657 INFO L87 Difference]: Start difference. First operand 1736 states and 2736 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:06,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:06,731 INFO L93 Difference]: Finished difference Result 4091 states and 6514 transitions. [2024-11-18 14:14:06,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:06,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 220 [2024-11-18 14:14:06,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:06,754 INFO L225 Difference]: With dead ends: 4091 [2024-11-18 14:14:06,754 INFO L226 Difference]: Without dead ends: 2553 [2024-11-18 14:14:06,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:06,763 INFO L432 NwaCegarLoop]: 853 mSDtfsCounter, 161 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 1698 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 [2024-11-18 14:14:06,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 1698 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:06,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2024-11-18 14:14:06,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 2545. [2024-11-18 14:14:06,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2100 states have (on average 1.5385714285714285) internal successors, (3231), 2115 states have internal predecessors, (3231), 396 states have call successors, (396), 44 states have call predecessors, (396), 48 states have return successors, (427), 394 states have call predecessors, (427), 395 states have call successors, (427) [2024-11-18 14:14:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 4054 transitions. [2024-11-18 14:14:06,918 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 4054 transitions. Word has length 220 [2024-11-18 14:14:06,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:06,919 INFO L471 AbstractCegarLoop]: Abstraction has 2545 states and 4054 transitions. [2024-11-18 14:14:06,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 4054 transitions. [2024-11-18 14:14:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-18 14:14:06,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:06,934 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:06,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-18 14:14:06,934 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:06,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:06,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1612215361, now seen corresponding path program 1 times [2024-11-18 14:14:06,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:06,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809024321] [2024-11-18 14:14:06,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:06,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:07,046 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:07,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:07,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809024321] [2024-11-18 14:14:07,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809024321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:07,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:07,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:07,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940870390] [2024-11-18 14:14:07,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:07,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:07,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:07,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:07,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:07,051 INFO L87 Difference]: Start difference. First operand 2545 states and 4054 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:07,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:07,157 INFO L93 Difference]: Finished difference Result 5990 states and 9637 transitions. [2024-11-18 14:14:07,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:07,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 221 [2024-11-18 14:14:07,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:07,181 INFO L225 Difference]: With dead ends: 5990 [2024-11-18 14:14:07,181 INFO L226 Difference]: Without dead ends: 3800 [2024-11-18 14:14:07,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:07,192 INFO L432 NwaCegarLoop]: 853 mSDtfsCounter, 159 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1695 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 [2024-11-18 14:14:07,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1695 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:07,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3800 states. [2024-11-18 14:14:07,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3800 to 3792. [2024-11-18 14:14:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3792 states, 3185 states have (on average 1.5494505494505495) internal successors, (4935), 3200 states have internal predecessors, (4935), 558 states have call successors, (558), 44 states have call predecessors, (558), 48 states have return successors, (605), 556 states have call predecessors, (605), 557 states have call successors, (605) [2024-11-18 14:14:07,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3792 states to 3792 states and 6098 transitions. [2024-11-18 14:14:07,410 INFO L78 Accepts]: Start accepts. Automaton has 3792 states and 6098 transitions. Word has length 221 [2024-11-18 14:14:07,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:07,411 INFO L471 AbstractCegarLoop]: Abstraction has 3792 states and 6098 transitions. [2024-11-18 14:14:07,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 3792 states and 6098 transitions. [2024-11-18 14:14:07,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-18 14:14:07,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:07,430 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:07,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-18 14:14:07,430 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:07,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:07,431 INFO L85 PathProgramCache]: Analyzing trace with hash -629859887, now seen corresponding path program 1 times [2024-11-18 14:14:07,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:07,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626776922] [2024-11-18 14:14:07,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:07,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:07,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:07,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626776922] [2024-11-18 14:14:07,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626776922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:07,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:07,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:07,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020979832] [2024-11-18 14:14:07,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:07,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:07,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:07,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:07,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:07,521 INFO L87 Difference]: Start difference. First operand 3792 states and 6098 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-18 14:14:07,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:07,675 INFO L93 Difference]: Finished difference Result 8992 states and 14589 transitions. [2024-11-18 14:14:07,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:07,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 215 [2024-11-18 14:14:07,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:07,710 INFO L225 Difference]: With dead ends: 8992 [2024-11-18 14:14:07,710 INFO L226 Difference]: Without dead ends: 5814 [2024-11-18 14:14:07,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:07,724 INFO L432 NwaCegarLoop]: 853 mSDtfsCounter, 157 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1695 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 [2024-11-18 14:14:07,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 1695 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:07,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5814 states. [2024-11-18 14:14:08,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5814 to 5806. [2024-11-18 14:14:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5806 states, 4954 states have (on average 1.5585385547032702) internal successors, (7721), 4969 states have internal predecessors, (7721), 803 states have call successors, (803), 44 states have call predecessors, (803), 48 states have return successors, (876), 801 states have call predecessors, (876), 802 states have call successors, (876) [2024-11-18 14:14:08,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5806 states to 5806 states and 9400 transitions. [2024-11-18 14:14:08,091 INFO L78 Accepts]: Start accepts. Automaton has 5806 states and 9400 transitions. Word has length 215 [2024-11-18 14:14:08,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:08,092 INFO L471 AbstractCegarLoop]: Abstraction has 5806 states and 9400 transitions. [2024-11-18 14:14:08,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-18 14:14:08,092 INFO L276 IsEmpty]: Start isEmpty. Operand 5806 states and 9400 transitions. [2024-11-18 14:14:08,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-18 14:14:08,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:08,117 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:08,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-18 14:14:08,118 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:08,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:08,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1636212948, now seen corresponding path program 1 times [2024-11-18 14:14:08,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:08,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116218854] [2024-11-18 14:14:08,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:08,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:08,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:08,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116218854] [2024-11-18 14:14:08,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116218854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:08,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:08,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:08,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057133886] [2024-11-18 14:14:08,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:08,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:08,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:08,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:08,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:08,229 INFO L87 Difference]: Start difference. First operand 5806 states and 9400 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:08,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:08,464 INFO L93 Difference]: Finished difference Result 13985 states and 22787 transitions. [2024-11-18 14:14:08,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:08,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 223 [2024-11-18 14:14:08,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:08,597 INFO L225 Difference]: With dead ends: 13985 [2024-11-18 14:14:08,597 INFO L226 Difference]: Without dead ends: 9189 [2024-11-18 14:14:08,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:08,613 INFO L432 NwaCegarLoop]: 879 mSDtfsCounter, 155 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1720 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 [2024-11-18 14:14:08,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 1720 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:08,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9189 states. [2024-11-18 14:14:08,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9189 to 9181. [2024-11-18 14:14:08,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9181 states, 7836 states have (on average 1.5562787136294027) internal successors, (12195), 7851 states have internal predecessors, (12195), 1296 states have call successors, (1296), 44 states have call predecessors, (1296), 48 states have return successors, (1413), 1294 states have call predecessors, (1413), 1295 states have call successors, (1413) [2024-11-18 14:14:08,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9181 states to 9181 states and 14904 transitions. [2024-11-18 14:14:08,985 INFO L78 Accepts]: Start accepts. Automaton has 9181 states and 14904 transitions. Word has length 223 [2024-11-18 14:14:08,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:08,986 INFO L471 AbstractCegarLoop]: Abstraction has 9181 states and 14904 transitions. [2024-11-18 14:14:08,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:08,987 INFO L276 IsEmpty]: Start isEmpty. Operand 9181 states and 14904 transitions. [2024-11-18 14:14:09,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-18 14:14:09,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:09,018 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:09,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-18 14:14:09,018 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:09,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:09,019 INFO L85 PathProgramCache]: Analyzing trace with hash -130257733, now seen corresponding path program 1 times [2024-11-18 14:14:09,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:09,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700355437] [2024-11-18 14:14:09,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:09,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:09,110 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:09,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:09,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700355437] [2024-11-18 14:14:09,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700355437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:09,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:09,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:09,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799835829] [2024-11-18 14:14:09,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:09,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:09,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:09,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:09,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:09,112 INFO L87 Difference]: Start difference. First operand 9181 states and 14904 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:09,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:09,506 INFO L93 Difference]: Finished difference Result 22938 states and 37552 transitions. [2024-11-18 14:14:09,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:09,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 224 [2024-11-18 14:14:09,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:09,578 INFO L225 Difference]: With dead ends: 22938 [2024-11-18 14:14:09,578 INFO L226 Difference]: Without dead ends: 15263 [2024-11-18 14:14:09,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:09,614 INFO L432 NwaCegarLoop]: 853 mSDtfsCounter, 153 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 1698 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 [2024-11-18 14:14:09,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 1698 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:09,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15263 states. [2024-11-18 14:14:10,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15263 to 15255. [2024-11-18 14:14:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15255 states, 13088 states have (on average 1.562270782396088) internal successors, (20447), 13103 states have internal predecessors, (20447), 2118 states have call successors, (2118), 44 states have call predecessors, (2118), 48 states have return successors, (2313), 2116 states have call predecessors, (2313), 2117 states have call successors, (2313) [2024-11-18 14:14:10,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15255 states to 15255 states and 24878 transitions. [2024-11-18 14:14:10,366 INFO L78 Accepts]: Start accepts. Automaton has 15255 states and 24878 transitions. Word has length 224 [2024-11-18 14:14:10,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:10,367 INFO L471 AbstractCegarLoop]: Abstraction has 15255 states and 24878 transitions. [2024-11-18 14:14:10,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:10,368 INFO L276 IsEmpty]: Start isEmpty. Operand 15255 states and 24878 transitions. [2024-11-18 14:14:10,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-18 14:14:10,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:10,408 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:10,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-18 14:14:10,408 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:10,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:10,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1800824805, now seen corresponding path program 1 times [2024-11-18 14:14:10,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:10,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163696150] [2024-11-18 14:14:10,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:10,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:10,520 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:10,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:10,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163696150] [2024-11-18 14:14:10,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163696150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:10,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:10,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:10,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937050235] [2024-11-18 14:14:10,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:10,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:10,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:10,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:10,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:10,524 INFO L87 Difference]: Start difference. First operand 15255 states and 24878 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:11,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:11,357 INFO L93 Difference]: Finished difference Result 36747 states and 59655 transitions. [2024-11-18 14:14:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:11,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 225 [2024-11-18 14:14:11,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:11,469 INFO L225 Difference]: With dead ends: 36747 [2024-11-18 14:14:11,469 INFO L226 Difference]: Without dead ends: 24132 [2024-11-18 14:14:11,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:11,506 INFO L432 NwaCegarLoop]: 871 mSDtfsCounter, 151 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 1689 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 [2024-11-18 14:14:11,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 1689 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24132 states. [2024-11-18 14:14:12,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24132 to 24124. [2024-11-18 14:14:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24124 states, 20754 states have (on average 1.535366676303363) internal successors, (31865), 20769 states have internal predecessors, (31865), 3321 states have call successors, (3321), 44 states have call predecessors, (3321), 48 states have return successors, (3660), 3319 states have call predecessors, (3660), 3320 states have call successors, (3660) [2024-11-18 14:14:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24124 states to 24124 states and 38846 transitions. [2024-11-18 14:14:12,506 INFO L78 Accepts]: Start accepts. Automaton has 24124 states and 38846 transitions. Word has length 225 [2024-11-18 14:14:12,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:12,507 INFO L471 AbstractCegarLoop]: Abstraction has 24124 states and 38846 transitions. [2024-11-18 14:14:12,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 24124 states and 38846 transitions. [2024-11-18 14:14:12,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-18 14:14:12,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:12,551 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:12,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-18 14:14:12,552 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:12,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:12,552 INFO L85 PathProgramCache]: Analyzing trace with hash 409944542, now seen corresponding path program 1 times [2024-11-18 14:14:12,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:12,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423009931] [2024-11-18 14:14:12,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:12,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:12,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:12,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423009931] [2024-11-18 14:14:12,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423009931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:12,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:12,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:12,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657011062] [2024-11-18 14:14:12,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:12,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:12,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:12,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:12,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:12,649 INFO L87 Difference]: Start difference. First operand 24124 states and 38846 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-18 14:14:14,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:14,101 INFO L93 Difference]: Finished difference Result 63600 states and 102803 transitions. [2024-11-18 14:14:14,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:14,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 219 [2024-11-18 14:14:14,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:14,474 INFO L225 Difference]: With dead ends: 63600 [2024-11-18 14:14:14,474 INFO L226 Difference]: Without dead ends: 42928 [2024-11-18 14:14:14,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:14,521 INFO L432 NwaCegarLoop]: 853 mSDtfsCounter, 149 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1699 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 [2024-11-18 14:14:14,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1699 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:14,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42928 states. [2024-11-18 14:14:16,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42928 to 42920. [2024-11-18 14:14:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42920 states, 37100 states have (on average 1.53544474393531) internal successors, (56965), 37115 states have internal predecessors, (56965), 5771 states have call successors, (5771), 44 states have call predecessors, (5771), 48 states have return successors, (6384), 5769 states have call predecessors, (6384), 5770 states have call successors, (6384) [2024-11-18 14:14:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42920 states to 42920 states and 69120 transitions. [2024-11-18 14:14:16,572 INFO L78 Accepts]: Start accepts. Automaton has 42920 states and 69120 transitions. Word has length 219 [2024-11-18 14:14:16,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:16,573 INFO L471 AbstractCegarLoop]: Abstraction has 42920 states and 69120 transitions. [2024-11-18 14:14:16,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-18 14:14:16,573 INFO L276 IsEmpty]: Start isEmpty. Operand 42920 states and 69120 transitions. [2024-11-18 14:14:16,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-18 14:14:16,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:16,630 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:16,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-18 14:14:16,630 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:16,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:16,631 INFO L85 PathProgramCache]: Analyzing trace with hash 2106271699, now seen corresponding path program 1 times [2024-11-18 14:14:16,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:16,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005522407] [2024-11-18 14:14:16,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:16,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:16,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:16,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005522407] [2024-11-18 14:14:16,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005522407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:16,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:16,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:16,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067655120] [2024-11-18 14:14:16,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:16,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:16,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:16,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:16,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:16,970 INFO L87 Difference]: Start difference. First operand 42920 states and 69120 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-18 14:14:19,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:19,150 INFO L93 Difference]: Finished difference Result 116262 states and 188225 transitions. [2024-11-18 14:14:19,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:19,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 220 [2024-11-18 14:14:19,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:19,586 INFO L225 Difference]: With dead ends: 116262 [2024-11-18 14:14:19,587 INFO L226 Difference]: Without dead ends: 77970 [2024-11-18 14:14:19,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:19,718 INFO L432 NwaCegarLoop]: 856 mSDtfsCounter, 147 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1701 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 [2024-11-18 14:14:19,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1701 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:19,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77970 states. [2024-11-18 14:14:22,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77970 to 77962. [2024-11-18 14:14:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77962 states, 67629 states have (on average 1.5390882609531413) internal successors, (104087), 67644 states have internal predecessors, (104087), 10284 states have call successors, (10284), 44 states have call predecessors, (10284), 48 states have return successors, (11429), 10282 states have call predecessors, (11429), 10283 states have call successors, (11429) [2024-11-18 14:14:22,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77962 states to 77962 states and 125800 transitions. [2024-11-18 14:14:22,968 INFO L78 Accepts]: Start accepts. Automaton has 77962 states and 125800 transitions. Word has length 220 [2024-11-18 14:14:22,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:22,969 INFO L471 AbstractCegarLoop]: Abstraction has 77962 states and 125800 transitions. [2024-11-18 14:14:22,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-18 14:14:22,969 INFO L276 IsEmpty]: Start isEmpty. Operand 77962 states and 125800 transitions. [2024-11-18 14:14:23,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-18 14:14:23,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:23,043 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:23,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-18 14:14:23,044 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:23,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:23,044 INFO L85 PathProgramCache]: Analyzing trace with hash 526604265, now seen corresponding path program 1 times [2024-11-18 14:14:23,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:23,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473428385] [2024-11-18 14:14:23,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:23,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:23,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:23,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473428385] [2024-11-18 14:14:23,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473428385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:23,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:23,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:23,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367292451] [2024-11-18 14:14:23,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:23,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:23,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:23,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:23,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:23,257 INFO L87 Difference]: Start difference. First operand 77962 states and 125800 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:26,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:26,341 INFO L93 Difference]: Finished difference Result 145723 states and 235917 transitions. [2024-11-18 14:14:26,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:26,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 228 [2024-11-18 14:14:26,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:26,906 INFO L225 Difference]: With dead ends: 145723 [2024-11-18 14:14:26,907 INFO L226 Difference]: Without dead ends: 145395 [2024-11-18 14:14:26,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:26,957 INFO L432 NwaCegarLoop]: 855 mSDtfsCounter, 141 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1706 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:26,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1706 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:27,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145395 states. [2024-11-18 14:14:31,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145395 to 145387. [2024-11-18 14:14:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145387 states, 126686 states have (on average 1.5381968015408174) internal successors, (194868), 126701 states have internal predecessors, (194868), 18652 states have call successors, (18652), 44 states have call predecessors, (18652), 48 states have return successors, (20843), 18650 states have call predecessors, (20843), 18651 states have call successors, (20843) [2024-11-18 14:14:32,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145387 states to 145387 states and 234363 transitions. [2024-11-18 14:14:32,171 INFO L78 Accepts]: Start accepts. Automaton has 145387 states and 234363 transitions. Word has length 228 [2024-11-18 14:14:32,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:32,172 INFO L471 AbstractCegarLoop]: Abstraction has 145387 states and 234363 transitions. [2024-11-18 14:14:32,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-18 14:14:32,172 INFO L276 IsEmpty]: Start isEmpty. Operand 145387 states and 234363 transitions. [2024-11-18 14:14:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-18 14:14:32,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:32,281 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:32,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-18 14:14:32,281 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:32,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:32,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1802478299, now seen corresponding path program 1 times [2024-11-18 14:14:32,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:32,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116658587] [2024-11-18 14:14:32,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:32,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:32,994 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-18 14:14:32,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:32,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116658587] [2024-11-18 14:14:32,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116658587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:32,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28873356] [2024-11-18 14:14:32,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:32,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:32,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:32,997 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) [2024-11-18 14:14:32,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-18 14:14:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:33,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 1568 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-18 14:14:33,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:34,064 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-18 14:14:34,065 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:34,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28873356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:34,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:34,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14] total 26 [2024-11-18 14:14:34,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127720531] [2024-11-18 14:14:34,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:34,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-18 14:14:34,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:34,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-18 14:14:34,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2024-11-18 14:14:34,068 INFO L87 Difference]: Start difference. First operand 145387 states and 234363 transitions. Second operand has 14 states, 12 states have (on average 11.916666666666666) internal successors, (143), 11 states have internal predecessors, (143), 6 states have call successors, (32), 5 states have call predecessors, (32), 6 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-18 14:14:42,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:42,134 INFO L93 Difference]: Finished difference Result 289740 states and 472545 transitions. [2024-11-18 14:14:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-18 14:14:42,135 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 11.916666666666666) internal successors, (143), 11 states have internal predecessors, (143), 6 states have call successors, (32), 5 states have call predecessors, (32), 6 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 222 [2024-11-18 14:14:42,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:43,413 INFO L225 Difference]: With dead ends: 289740 [2024-11-18 14:14:43,413 INFO L226 Difference]: Without dead ends: 289418 [2024-11-18 14:14:43,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=1512, Unknown=0, NotChecked=0, Total=1722 [2024-11-18 14:14:43,535 INFO L432 NwaCegarLoop]: 1015 mSDtfsCounter, 1374 mSDsluCounter, 8581 mSDsCounter, 0 mSdLazyCounter, 2773 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1382 SdHoareTripleChecker+Valid, 9596 SdHoareTripleChecker+Invalid, 3026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 2773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:43,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1382 Valid, 9596 Invalid, 3026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 2773 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-18 14:14:44,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289418 states. [2024-11-18 14:14:53,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289418 to 289385. [2024-11-18 14:14:53,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289385 states, 252184 states have (on average 1.5387931034482758) internal successors, (388059), 252112 states have internal predecessors, (388059), 37080 states have call successors, (37080), 113 states have call predecessors, (37080), 120 states have return successors, (44755), 37186 states have call predecessors, (44755), 37077 states have call successors, (44755) [2024-11-18 14:14:55,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289385 states to 289385 states and 469894 transitions. [2024-11-18 14:14:55,359 INFO L78 Accepts]: Start accepts. Automaton has 289385 states and 469894 transitions. Word has length 222 [2024-11-18 14:14:55,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:55,359 INFO L471 AbstractCegarLoop]: Abstraction has 289385 states and 469894 transitions. [2024-11-18 14:14:55,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 11.916666666666666) internal successors, (143), 11 states have internal predecessors, (143), 6 states have call successors, (32), 5 states have call predecessors, (32), 6 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-18 14:14:55,360 INFO L276 IsEmpty]: Start isEmpty. Operand 289385 states and 469894 transitions. [2024-11-18 14:14:55,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-18 14:14:55,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:55,523 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:55,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-18 14:14:55,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:55,724 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:55,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:55,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1254855590, now seen corresponding path program 1 times [2024-11-18 14:14:55,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:55,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746866819] [2024-11-18 14:14:55,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:55,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:55,869 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-18 14:14:55,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:55,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746866819] [2024-11-18 14:14:55,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746866819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:55,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:55,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:14:55,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804354541] [2024-11-18 14:14:55,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:55,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:14:55,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:55,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:14:55,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:14:55,872 INFO L87 Difference]: Start difference. First operand 289385 states and 469894 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27)