./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec4_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_spec4_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 cf397912a53dab4d44f4df9c274fc7c69b1023a0a0a29a356bc73a744537daa6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:12:24,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:12:24,177 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:12:24,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:12:24,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:12:24,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:12:24,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:12:24,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:12:24,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:12:24,215 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:12:24,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:12:24,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:12:24,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:12:24,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:12:24,219 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:12:24,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:12:24,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:12:24,220 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:12:24,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:12:24,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:12:24,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:12:24,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:12:24,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:12:24,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:12:24,222 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:12:24,223 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:12:24,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:12:24,223 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:12:24,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:12:24,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:12:24,224 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:12:24,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:12:24,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:12:24,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:12:24,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:12:24,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:12:24,229 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:12:24,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:12:24,230 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:12:24,230 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:12:24,230 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:12:24,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:12:24,231 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf397912a53dab4d44f4df9c274fc7c69b1023a0a0a29a356bc73a744537daa6 [2024-11-18 14:12:24,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:12:24,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:12:24,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:12:24,516 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:12:24,517 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:12:24,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c [2024-11-18 14:12:26,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:12:26,358 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:12:26,359 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c [2024-11-18 14:12:26,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf6fc4c5e/2a5720c2d2bd42f8af5969501edf4e05/FLAG305581df8 [2024-11-18 14:12:26,403 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf6fc4c5e/2a5720c2d2bd42f8af5969501edf4e05 [2024-11-18 14:12:26,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:12:26,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:12:26,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:12:26,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:12:26,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:12:26,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:12:26" (1/1) ... [2024-11-18 14:12:26,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75434a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:26, skipping insertion in model container [2024-11-18 14:12:26,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:12:26" (1/1) ... [2024-11-18 14:12:26,508 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:12:26,916 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c[18883,18896] [2024-11-18 14:12:27,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:12:27,141 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:12:27,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-11-18 14:12:27,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [335] [2024-11-18 14:12:27,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [353] [2024-11-18 14:12:27,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [938] [2024-11-18 14:12:27,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [947] [2024-11-18 14:12:27,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2018] [2024-11-18 14:12:27,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2128] [2024-11-18 14:12:27,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2527] [2024-11-18 14:12:27,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2876] [2024-11-18 14:12:27,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [3080] [2024-11-18 14:12:27,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [3446] [2024-11-18 14:12:27,185 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c[18883,18896] [2024-11-18 14:12:27,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:12:27,327 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:12:27,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27 WrapperNode [2024-11-18 14:12:27,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:12:27,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:12:27,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:12:27,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:12:27,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27" (1/1) ... [2024-11-18 14:12:27,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27" (1/1) ... [2024-11-18 14:12:27,444 INFO L138 Inliner]: procedures = 151, calls = 263, calls flagged for inlining = 67, calls inlined = 64, statements flattened = 1317 [2024-11-18 14:12:27,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:12:27,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:12:27,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:12:27,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:12:27,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27" (1/1) ... [2024-11-18 14:12:27,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27" (1/1) ... [2024-11-18 14:12:27,465 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27" (1/1) ... [2024-11-18 14:12:27,516 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 14:12:27,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27" (1/1) ... [2024-11-18 14:12:27,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27" (1/1) ... [2024-11-18 14:12:27,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27" (1/1) ... [2024-11-18 14:12:27,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27" (1/1) ... [2024-11-18 14:12:27,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27" (1/1) ... [2024-11-18 14:12:27,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27" (1/1) ... [2024-11-18 14:12:27,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:12:27,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:12:27,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:12:27,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:12:27,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27" (1/1) ... [2024-11-18 14:12:27,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:12:27,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:12:27,634 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 14:12:27,649 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 14:12:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-18 14:12:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-18 14:12:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2024-11-18 14:12:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2024-11-18 14:12:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2024-11-18 14:12:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2024-11-18 14:12:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-18 14:12:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-18 14:12:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-18 14:12:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-18 14:12:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-18 14:12:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-18 14:12:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-18 14:12:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-18 14:12:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2024-11-18 14:12:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2024-11-18 14:12:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-18 14:12:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-18 14:12:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2024-11-18 14:12:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2024-11-18 14:12:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-18 14:12:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-18 14:12:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-18 14:12:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-18 14:12:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-18 14:12:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-18 14:12:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2024-11-18 14:12:27,705 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2024-11-18 14:12:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2024-11-18 14:12:27,706 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2024-11-18 14:12:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-18 14:12:27,706 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-18 14:12:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-18 14:12:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-18 14:12:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-18 14:12:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-18 14:12:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2024-11-18 14:12:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2024-11-18 14:12:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-18 14:12:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-18 14:12:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-18 14:12:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-18 14:12:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-18 14:12:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-18 14:12:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2024-11-18 14:12:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2024-11-18 14:12:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:12:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-18 14:12:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-18 14:12:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-18 14:12:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-18 14:12:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2024-11-18 14:12:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2024-11-18 14:12:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2024-11-18 14:12:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2024-11-18 14:12:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2024-11-18 14:12:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2024-11-18 14:12:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-18 14:12:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-18 14:12:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-18 14:12:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-18 14:12:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-18 14:12:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-18 14:12:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-18 14:12:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-18 14:12:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-18 14:12:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-18 14:12:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-18 14:12:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-18 14:12:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-18 14:12:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-18 14:12:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2024-11-18 14:12:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2024-11-18 14:12:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2024-11-18 14:12:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2024-11-18 14:12:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-18 14:12:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-18 14:12:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-18 14:12:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-18 14:12:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:12:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 14:12:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 14:12:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 14:12:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-18 14:12:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-18 14:12:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2024-11-18 14:12:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2024-11-18 14:12:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2024-11-18 14:12:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2024-11-18 14:12:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-18 14:12:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-18 14:12:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:12:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:12:27,976 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:12:27,979 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:12:29,310 INFO L? ?]: Removed 627 outVars from TransFormulas that were not future-live. [2024-11-18 14:12:29,310 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:12:29,344 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:12:29,344 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 14:12:29,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:12:29 BoogieIcfgContainer [2024-11-18 14:12:29,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:12:29,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:12:29,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:12:29,354 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:12:29,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:12:26" (1/3) ... [2024-11-18 14:12:29,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38afb6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:12:29, skipping insertion in model container [2024-11-18 14:12:29,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:12:27" (2/3) ... [2024-11-18 14:12:29,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38afb6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:12:29, skipping insertion in model container [2024-11-18 14:12:29,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:12:29" (3/3) ... [2024-11-18 14:12:29,360 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_productSimulator.cil.c [2024-11-18 14:12:29,372 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:12:29,373 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:12:29,464 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:12:29,471 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;@27e581e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:12:29,471 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:12:29,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 603 states, 448 states have (on average 1.515625) internal successors, (679), 468 states have internal predecessors, (679), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-18 14:12:29,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-18 14:12:29,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:29,511 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] [2024-11-18 14:12:29,511 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:29,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:29,517 INFO L85 PathProgramCache]: Analyzing trace with hash -397219270, now seen corresponding path program 1 times [2024-11-18 14:12:29,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:29,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947108552] [2024-11-18 14:12:29,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:29,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:29,992 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 14:12:29,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:29,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947108552] [2024-11-18 14:12:29,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947108552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:29,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:29,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 14:12:29,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569166438] [2024-11-18 14:12:29,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:30,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:12:30,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:30,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:12:30,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:12:30,030 INFO L87 Difference]: Start difference. First operand has 603 states, 448 states have (on average 1.515625) internal successors, (679), 468 states have internal predecessors, (679), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 14:12:30,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:30,109 INFO L93 Difference]: Finished difference Result 937 states and 1377 transitions. [2024-11-18 14:12:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:12:30,116 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 133 [2024-11-18 14:12:30,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:30,136 INFO L225 Difference]: With dead ends: 937 [2024-11-18 14:12:30,136 INFO L226 Difference]: Without dead ends: 596 [2024-11-18 14:12:30,145 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 14:12:30,152 INFO L432 NwaCegarLoop]: 895 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, 895 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 14:12:30,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:30,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-18 14:12:30,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2024-11-18 14:12:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 442 states have (on average 1.51131221719457) internal successors, (668), 461 states have internal predecessors, (668), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-18 14:12:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 887 transitions. [2024-11-18 14:12:30,249 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 887 transitions. Word has length 133 [2024-11-18 14:12:30,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:30,251 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 887 transitions. [2024-11-18 14:12:30,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 14:12:30,252 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 887 transitions. [2024-11-18 14:12:30,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-18 14:12:30,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:30,257 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] [2024-11-18 14:12:30,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:12:30,257 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:30,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:30,258 INFO L85 PathProgramCache]: Analyzing trace with hash -729774672, now seen corresponding path program 1 times [2024-11-18 14:12:30,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:30,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477546902] [2024-11-18 14:12:30,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:30,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:30,640 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 14:12:30,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:30,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477546902] [2024-11-18 14:12:30,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477546902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:30,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:30,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:12:30,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837137170] [2024-11-18 14:12:30,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:30,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:12:30,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:30,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:12:30,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:12:30,647 INFO L87 Difference]: Start difference. First operand 596 states and 887 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 14:12:30,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:30,771 INFO L93 Difference]: Finished difference Result 1156 states and 1718 transitions. [2024-11-18 14:12:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:12:30,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 134 [2024-11-18 14:12:30,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:30,782 INFO L225 Difference]: With dead ends: 1156 [2024-11-18 14:12:30,785 INFO L226 Difference]: Without dead ends: 596 [2024-11-18 14:12:30,787 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 14:12:30,788 INFO L432 NwaCegarLoop]: 885 mSDtfsCounter, 0 mSDsluCounter, 2643 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3528 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 14:12:30,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3528 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:30,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-18 14:12:30,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2024-11-18 14:12:30,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 442 states have (on average 1.495475113122172) internal successors, (661), 461 states have internal predecessors, (661), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-18 14:12:30,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 880 transitions. [2024-11-18 14:12:30,826 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 880 transitions. Word has length 134 [2024-11-18 14:12:30,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:30,827 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 880 transitions. [2024-11-18 14:12:30,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 14:12:30,828 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 880 transitions. [2024-11-18 14:12:30,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-18 14:12:30,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:30,831 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] [2024-11-18 14:12:30,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:12:30,831 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:30,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:30,832 INFO L85 PathProgramCache]: Analyzing trace with hash 771995739, now seen corresponding path program 1 times [2024-11-18 14:12:30,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:30,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215827872] [2024-11-18 14:12:30,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:30,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:31,010 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 14:12:31,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:31,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215827872] [2024-11-18 14:12:31,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215827872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:31,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:31,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:12:31,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123709927] [2024-11-18 14:12:31,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:31,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:12:31,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:31,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:12:31,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:12:31,016 INFO L87 Difference]: Start difference. First operand 596 states and 880 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-18 14:12:31,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:31,080 INFO L93 Difference]: Finished difference Result 1162 states and 1731 transitions. [2024-11-18 14:12:31,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:12:31,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 139 [2024-11-18 14:12:31,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:31,087 INFO L225 Difference]: With dead ends: 1162 [2024-11-18 14:12:31,088 INFO L226 Difference]: Without dead ends: 597 [2024-11-18 14:12:31,090 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 14:12:31,091 INFO L432 NwaCegarLoop]: 869 mSDtfsCounter, 844 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:12:31,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 887 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:31,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-18 14:12:31,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2024-11-18 14:12:31,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 444 states have (on average 1.4842342342342343) internal successors, (659), 461 states have internal predecessors, (659), 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 14:12:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 874 transitions. [2024-11-18 14:12:31,133 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 874 transitions. Word has length 139 [2024-11-18 14:12:31,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:31,134 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 874 transitions. [2024-11-18 14:12:31,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-18 14:12:31,135 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 874 transitions. [2024-11-18 14:12:31,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-18 14:12:31,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:31,141 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] [2024-11-18 14:12:31,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:12:31,141 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:31,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:31,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1008145417, now seen corresponding path program 1 times [2024-11-18 14:12:31,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:31,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121263481] [2024-11-18 14:12:31,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:31,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:31,289 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 14:12:31,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:31,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121263481] [2024-11-18 14:12:31,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121263481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:31,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:31,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:12:31,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19559455] [2024-11-18 14:12:31,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:31,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:12:31,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:31,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:12:31,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:12:31,296 INFO L87 Difference]: Start difference. First operand 597 states and 874 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:12:31,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:31,363 INFO L93 Difference]: Finished difference Result 1156 states and 1710 transitions. [2024-11-18 14:12:31,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:12:31,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 149 [2024-11-18 14:12:31,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:31,373 INFO L225 Difference]: With dead ends: 1156 [2024-11-18 14:12:31,374 INFO L226 Difference]: Without dead ends: 595 [2024-11-18 14:12:31,378 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 14:12:31,380 INFO L432 NwaCegarLoop]: 862 mSDtfsCounter, 824 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:12:31,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 900 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:31,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-18 14:12:31,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2024-11-18 14:12:31,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 444 states have (on average 1.4774774774774775) internal successors, (656), 459 states have internal predecessors, (656), 106 states have call successors, (106), 44 states have call predecessors, (106), 44 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-18 14:12:31,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 867 transitions. [2024-11-18 14:12:31,428 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 867 transitions. Word has length 149 [2024-11-18 14:12:31,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:31,428 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 867 transitions. [2024-11-18 14:12:31,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:12:31,429 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 867 transitions. [2024-11-18 14:12:31,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-18 14:12:31,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:31,434 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] [2024-11-18 14:12:31,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:12:31,435 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:31,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:31,436 INFO L85 PathProgramCache]: Analyzing trace with hash 225687994, now seen corresponding path program 1 times [2024-11-18 14:12:31,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:31,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928012178] [2024-11-18 14:12:31,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:31,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:31,543 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 14:12:31,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:31,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928012178] [2024-11-18 14:12:31,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928012178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:31,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:31,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:12:31,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684827518] [2024-11-18 14:12:31,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:31,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:12:31,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:31,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:12:31,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:12:31,547 INFO L87 Difference]: Start difference. First operand 595 states and 867 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:12:31,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:31,621 INFO L93 Difference]: Finished difference Result 1147 states and 1676 transitions. [2024-11-18 14:12:31,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:12:31,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2024-11-18 14:12:31,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:31,628 INFO L225 Difference]: With dead ends: 1147 [2024-11-18 14:12:31,628 INFO L226 Difference]: Without dead ends: 598 [2024-11-18 14:12:31,630 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 14:12:31,631 INFO L432 NwaCegarLoop]: 842 mSDtfsCounter, 804 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:12:31,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 883 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:31,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-18 14:12:31,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 592. [2024-11-18 14:12:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 444 states have (on average 1.4527027027027026) internal successors, (645), 454 states have internal predecessors, (645), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-18 14:12:31,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 850 transitions. [2024-11-18 14:12:31,669 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 850 transitions. Word has length 150 [2024-11-18 14:12:31,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:31,670 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 850 transitions. [2024-11-18 14:12:31,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:12:31,670 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 850 transitions. [2024-11-18 14:12:31,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-18 14:12:31,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:31,674 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] [2024-11-18 14:12:31,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:12:31,674 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:31,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:31,675 INFO L85 PathProgramCache]: Analyzing trace with hash -780015727, now seen corresponding path program 1 times [2024-11-18 14:12:31,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:31,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008913347] [2024-11-18 14:12:31,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:31,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:32,008 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 14:12:32,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:32,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008913347] [2024-11-18 14:12:32,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008913347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:12:32,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778404520] [2024-11-18 14:12:32,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:32,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:12:32,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:12:32,014 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 14:12:32,016 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 14:12:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:32,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 1357 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-18 14:12:32,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:12:32,477 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 14:12:32,478 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:12:32,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778404520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:32,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:12:32,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-18 14:12:32,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201176102] [2024-11-18 14:12:32,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:32,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:12:32,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:32,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:12:32,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:12:32,480 INFO L87 Difference]: Start difference. First operand 592 states and 850 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:32,526 INFO L93 Difference]: Finished difference Result 919 states and 1301 transitions. [2024-11-18 14:12:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:12:32,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 168 [2024-11-18 14:12:32,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:32,531 INFO L225 Difference]: With dead ends: 919 [2024-11-18 14:12:32,532 INFO L226 Difference]: Without dead ends: 595 [2024-11-18 14:12:32,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 168 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 14:12:32,534 INFO L432 NwaCegarLoop]: 846 mSDtfsCounter, 1 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1690 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 14:12:32,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1690 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:32,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-18 14:12:32,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 594. [2024-11-18 14:12:32,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 446 states have (on average 1.4506726457399104) internal successors, (647), 456 states have internal predecessors, (647), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-18 14:12:32,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 852 transitions. [2024-11-18 14:12:32,574 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 852 transitions. Word has length 168 [2024-11-18 14:12:32,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:32,575 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 852 transitions. [2024-11-18 14:12:32,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:32,576 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 852 transitions. [2024-11-18 14:12:32,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-18 14:12:32,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:32,581 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] [2024-11-18 14:12:32,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-18 14:12:32,787 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 14:12:32,788 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:32,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:32,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1369416465, now seen corresponding path program 1 times [2024-11-18 14:12:32,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:32,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350225740] [2024-11-18 14:12:32,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:32,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:33,086 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 14:12:33,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:33,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350225740] [2024-11-18 14:12:33,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350225740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:12:33,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294147684] [2024-11-18 14:12:33,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:33,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:12:33,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:12:33,091 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 14:12:33,093 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 14:12:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:33,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 1371 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:12:33,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:12:33,522 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 14:12:33,522 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:12:33,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294147684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:33,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:12:33,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-18 14:12:33,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243232651] [2024-11-18 14:12:33,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:33,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:12:33,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:33,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:12:33,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:12:33,525 INFO L87 Difference]: Start difference. First operand 594 states and 852 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:33,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:33,569 INFO L93 Difference]: Finished difference Result 1208 states and 1765 transitions. [2024-11-18 14:12:33,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:12:33,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 176 [2024-11-18 14:12:33,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:33,575 INFO L225 Difference]: With dead ends: 1208 [2024-11-18 14:12:33,576 INFO L226 Difference]: Without dead ends: 692 [2024-11-18 14:12:33,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 176 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 14:12:33,578 INFO L432 NwaCegarLoop]: 867 mSDtfsCounter, 165 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1667 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 14:12:33,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1667 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:33,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-18 14:12:33,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 684. [2024-11-18 14:12:33,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 522 states have (on average 1.4655172413793103) internal successors, (765), 532 states have internal predecessors, (765), 117 states have call successors, (117), 44 states have call predecessors, (117), 44 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-18 14:12:33,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 998 transitions. [2024-11-18 14:12:33,616 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 998 transitions. Word has length 176 [2024-11-18 14:12:33,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:33,617 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 998 transitions. [2024-11-18 14:12:33,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:33,617 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 998 transitions. [2024-11-18 14:12:33,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-18 14:12:33,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:33,620 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] [2024-11-18 14:12:33,645 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 14:12:33,821 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 14:12:33,822 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:33,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:33,823 INFO L85 PathProgramCache]: Analyzing trace with hash -58708493, now seen corresponding path program 1 times [2024-11-18 14:12:33,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:33,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429473116] [2024-11-18 14:12:33,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:33,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:34,159 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 14:12:34,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:34,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429473116] [2024-11-18 14:12:34,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429473116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:12:34,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78843063] [2024-11-18 14:12:34,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:34,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:12:34,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:12:34,163 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 14:12:34,164 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 14:12:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:34,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-18 14:12:34,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:12:34,678 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 14:12:34,678 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:12:34,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78843063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:34,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:12:34,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-18 14:12:34,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235835419] [2024-11-18 14:12:34,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:34,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:12:34,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:34,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:12:34,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-18 14:12:34,681 INFO L87 Difference]: Start difference. First operand 684 states and 998 transitions. Second operand has 8 states, 6 states have (on average 17.0) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-18 14:12:34,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:34,854 INFO L93 Difference]: Finished difference Result 1315 states and 1933 transitions. [2024-11-18 14:12:34,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 14:12:34,855 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 17.0) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 177 [2024-11-18 14:12:34,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:34,860 INFO L225 Difference]: With dead ends: 1315 [2024-11-18 14:12:34,861 INFO L226 Difference]: Without dead ends: 686 [2024-11-18 14:12:34,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 172 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 14:12:34,864 INFO L432 NwaCegarLoop]: 837 mSDtfsCounter, 4 mSDsluCounter, 5005 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5842 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 14:12:34,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5842 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:12:34,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-11-18 14:12:34,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2024-11-18 14:12:34,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 523 states have (on average 1.4646271510516253) internal successors, (766), 534 states have internal predecessors, (766), 117 states have call successors, (117), 44 states have call predecessors, (117), 45 states have return successors, (118), 115 states have call predecessors, (118), 116 states have call successors, (118) [2024-11-18 14:12:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1001 transitions. [2024-11-18 14:12:34,915 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1001 transitions. Word has length 177 [2024-11-18 14:12:34,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:34,915 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 1001 transitions. [2024-11-18 14:12:34,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 17.0) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-18 14:12:34,916 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1001 transitions. [2024-11-18 14:12:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-18 14:12:34,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:34,920 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] [2024-11-18 14:12:34,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-18 14:12:35,120 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 14:12:35,121 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:35,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:35,122 INFO L85 PathProgramCache]: Analyzing trace with hash -259755957, now seen corresponding path program 1 times [2024-11-18 14:12:35,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:35,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020620334] [2024-11-18 14:12:35,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:35,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:35,357 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 14:12:35,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:35,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020620334] [2024-11-18 14:12:35,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020620334] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:12:35,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419983375] [2024-11-18 14:12:35,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:35,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:12:35,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:12:35,360 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 14:12:35,361 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 14:12:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:35,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 1377 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-18 14:12:35,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:12:35,843 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 14:12:35,843 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:12:35,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419983375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:35,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:12:35,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-18 14:12:35,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843467192] [2024-11-18 14:12:35,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:35,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:12:35,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:35,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:12:35,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-18 14:12:35,846 INFO L87 Difference]: Start difference. First operand 686 states and 1001 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-18 14:12:35,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:35,972 INFO L93 Difference]: Finished difference Result 1316 states and 1937 transitions. [2024-11-18 14:12:35,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:12:35,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 178 [2024-11-18 14:12:35,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:35,977 INFO L225 Difference]: With dead ends: 1316 [2024-11-18 14:12:35,977 INFO L226 Difference]: Without dead ends: 688 [2024-11-18 14:12:35,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 175 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 14:12:35,981 INFO L432 NwaCegarLoop]: 837 mSDtfsCounter, 2 mSDsluCounter, 3331 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4168 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:12:35,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4168 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:35,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-18 14:12:36,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2024-11-18 14:12:36,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 524 states have (on average 1.463740458015267) internal successors, (767), 536 states have internal predecessors, (767), 117 states have call successors, (117), 44 states have call predecessors, (117), 46 states have return successors, (123), 115 states have call predecessors, (123), 116 states have call successors, (123) [2024-11-18 14:12:36,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1007 transitions. [2024-11-18 14:12:36,023 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1007 transitions. Word has length 178 [2024-11-18 14:12:36,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:36,023 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 1007 transitions. [2024-11-18 14:12:36,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-18 14:12:36,024 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1007 transitions. [2024-11-18 14:12:36,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-18 14:12:36,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:36,028 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] [2024-11-18 14:12:36,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-18 14:12:36,232 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 14:12:36,233 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:36,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:36,233 INFO L85 PathProgramCache]: Analyzing trace with hash -146948869, now seen corresponding path program 1 times [2024-11-18 14:12:36,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:36,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565860856] [2024-11-18 14:12:36,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:36,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:36,479 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 14:12:36,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:36,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565860856] [2024-11-18 14:12:36,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565860856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:36,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:36,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:12:36,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680483817] [2024-11-18 14:12:36,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:36,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:12:36,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:36,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:12:36,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:12:36,482 INFO L87 Difference]: Start difference. First operand 688 states and 1007 transitions. Second operand has 8 states, 6 states have (on average 16.666666666666668) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-18 14:12:36,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:36,595 INFO L93 Difference]: Finished difference Result 1304 states and 1924 transitions. [2024-11-18 14:12:36,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 14:12:36,596 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 16.666666666666668) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 179 [2024-11-18 14:12:36,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:36,602 INFO L225 Difference]: With dead ends: 1304 [2024-11-18 14:12:36,602 INFO L226 Difference]: Without dead ends: 688 [2024-11-18 14:12:36,604 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 14:12:36,605 INFO L432 NwaCegarLoop]: 838 mSDtfsCounter, 4 mSDsluCounter, 5011 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5849 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:12:36,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5849 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:36,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-18 14:12:36,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2024-11-18 14:12:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 524 states have (on average 1.463740458015267) internal successors, (767), 536 states have internal predecessors, (767), 117 states have call successors, (117), 44 states have call predecessors, (117), 46 states have return successors, (122), 115 states have call predecessors, (122), 116 states have call successors, (122) [2024-11-18 14:12:36,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1006 transitions. [2024-11-18 14:12:36,642 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1006 transitions. Word has length 179 [2024-11-18 14:12:36,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:36,643 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 1006 transitions. [2024-11-18 14:12:36,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 16.666666666666668) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-18 14:12:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1006 transitions. [2024-11-18 14:12:36,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-18 14:12:36,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:36,646 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] [2024-11-18 14:12:36,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 14:12:36,647 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:36,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:36,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1836540781, now seen corresponding path program 2 times [2024-11-18 14:12:36,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:36,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879172271] [2024-11-18 14:12:36,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 14:12:36,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:36,707 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-18 14:12:36,707 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 14:12:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-18 14:12:36,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:36,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879172271] [2024-11-18 14:12:36,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879172271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:36,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:36,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:12:36,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698089698] [2024-11-18 14:12:36,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:36,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:12:36,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:36,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:12:36,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:12:36,868 INFO L87 Difference]: Start difference. First operand 688 states and 1006 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 7 states have internal predecessors, (102), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:37,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:37,516 INFO L93 Difference]: Finished difference Result 1138 states and 1715 transitions. [2024-11-18 14:12:37,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-18 14:12:37,517 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 7 states have internal predecessors, (102), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2024-11-18 14:12:37,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:37,525 INFO L225 Difference]: With dead ends: 1138 [2024-11-18 14:12:37,525 INFO L226 Difference]: Without dead ends: 1134 [2024-11-18 14:12:37,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-18 14:12:37,527 INFO L432 NwaCegarLoop]: 865 mSDtfsCounter, 1372 mSDsluCounter, 3814 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 4679 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 14:12:37,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 4679 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 14:12:37,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2024-11-18 14:12:37,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1125. [2024-11-18 14:12:37,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 878 states have (on average 1.5056947608200455) internal successors, (1322), 894 states have internal predecessors, (1322), 178 states have call successors, (178), 70 states have call predecessors, (178), 68 states have return successors, (194), 169 states have call predecessors, (194), 177 states have call successors, (194) [2024-11-18 14:12:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1694 transitions. [2024-11-18 14:12:37,591 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1694 transitions. Word has length 180 [2024-11-18 14:12:37,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:37,592 INFO L471 AbstractCegarLoop]: Abstraction has 1125 states and 1694 transitions. [2024-11-18 14:12:37,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 7 states have internal predecessors, (102), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:37,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1694 transitions. [2024-11-18 14:12:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-18 14:12:37,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:37,597 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] [2024-11-18 14:12:37,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 14:12:37,598 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:37,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:37,598 INFO L85 PathProgramCache]: Analyzing trace with hash 328804683, now seen corresponding path program 1 times [2024-11-18 14:12:37,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:37,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891780998] [2024-11-18 14:12:37,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:37,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:37,880 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 14:12:37,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:37,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891780998] [2024-11-18 14:12:37,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891780998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:37,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:37,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:12:37,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833137239] [2024-11-18 14:12:37,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:37,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:12:37,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:37,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:12:37,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:12:37,884 INFO L87 Difference]: Start difference. First operand 1125 states and 1694 transitions. Second operand has 8 states, 6 states have (on average 17.166666666666668) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-18 14:12:38,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:38,028 INFO L93 Difference]: Finished difference Result 2161 states and 3281 transitions. [2024-11-18 14:12:38,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 14:12:38,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 17.166666666666668) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 181 [2024-11-18 14:12:38,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:38,039 INFO L225 Difference]: With dead ends: 2161 [2024-11-18 14:12:38,039 INFO L226 Difference]: Without dead ends: 1129 [2024-11-18 14:12:38,043 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 14:12:38,044 INFO L432 NwaCegarLoop]: 839 mSDtfsCounter, 3 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5855 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 14:12:38,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5855 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:12:38,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2024-11-18 14:12:38,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2024-11-18 14:12:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 880 states have (on average 1.5045454545454546) internal successors, (1324), 898 states have internal predecessors, (1324), 178 states have call successors, (178), 70 states have call predecessors, (178), 70 states have return successors, (197), 169 states have call predecessors, (197), 177 states have call successors, (197) [2024-11-18 14:12:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1699 transitions. [2024-11-18 14:12:38,115 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1699 transitions. Word has length 181 [2024-11-18 14:12:38,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:38,115 INFO L471 AbstractCegarLoop]: Abstraction has 1129 states and 1699 transitions. [2024-11-18 14:12:38,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 17.166666666666668) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-18 14:12:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1699 transitions. [2024-11-18 14:12:38,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-18 14:12:38,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:38,120 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] [2024-11-18 14:12:38,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 14:12:38,121 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:38,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:38,121 INFO L85 PathProgramCache]: Analyzing trace with hash 970811176, now seen corresponding path program 1 times [2024-11-18 14:12:38,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:38,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320100972] [2024-11-18 14:12:38,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:38,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-18 14:12:38,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:38,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320100972] [2024-11-18 14:12:38,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320100972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:12:38,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272653414] [2024-11-18 14:12:38,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:38,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:12:38,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:12:38,382 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 14:12:38,384 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 14:12:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:38,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-18 14:12:38,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:12:38,871 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-18 14:12:38,872 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:12:38,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272653414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:38,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:12:38,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-18 14:12:38,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986286167] [2024-11-18 14:12:38,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:38,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:12:38,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:38,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:12:38,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-18 14:12:38,875 INFO L87 Difference]: Start difference. First operand 1129 states and 1699 transitions. Second operand has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-18 14:12:38,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:38,988 INFO L93 Difference]: Finished difference Result 2189 states and 3317 transitions. [2024-11-18 14:12:38,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:12:38,990 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 184 [2024-11-18 14:12:38,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:38,998 INFO L225 Difference]: With dead ends: 2189 [2024-11-18 14:12:38,998 INFO L226 Difference]: Without dead ends: 1135 [2024-11-18 14:12:39,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-18 14:12:39,003 INFO L432 NwaCegarLoop]: 841 mSDtfsCounter, 1 mSDsluCounter, 3346 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4187 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:12:39,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4187 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:39,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2024-11-18 14:12:39,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1131. [2024-11-18 14:12:39,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 881 states have (on average 1.503972758229285) internal successors, (1325), 900 states have internal predecessors, (1325), 178 states have call successors, (178), 70 states have call predecessors, (178), 71 states have return successors, (200), 169 states have call predecessors, (200), 177 states have call successors, (200) [2024-11-18 14:12:39,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1703 transitions. [2024-11-18 14:12:39,068 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1703 transitions. Word has length 184 [2024-11-18 14:12:39,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:39,068 INFO L471 AbstractCegarLoop]: Abstraction has 1131 states and 1703 transitions. [2024-11-18 14:12:39,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-18 14:12:39,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1703 transitions. [2024-11-18 14:12:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-18 14:12:39,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:39,074 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] [2024-11-18 14:12:39,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-18 14:12:39,274 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,SelfDestructingSolverStorable12 [2024-11-18 14:12:39,275 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:39,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:39,276 INFO L85 PathProgramCache]: Analyzing trace with hash 685564438, now seen corresponding path program 1 times [2024-11-18 14:12:39,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:39,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137905378] [2024-11-18 14:12:39,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:39,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:39,565 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 14:12:39,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:39,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137905378] [2024-11-18 14:12:39,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137905378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:39,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:39,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:12:39,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671369284] [2024-11-18 14:12:39,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:39,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:12:39,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:39,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:12:39,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:12:39,570 INFO L87 Difference]: Start difference. First operand 1131 states and 1703 transitions. Second operand has 8 states, 6 states have (on average 17.333333333333332) internal successors, (104), 8 states have internal predecessors, (104), 4 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-18 14:12:39,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:39,695 INFO L93 Difference]: Finished difference Result 2169 states and 3293 transitions. [2024-11-18 14:12:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 14:12:39,695 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 17.333333333333332) internal successors, (104), 8 states have internal predecessors, (104), 4 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 182 [2024-11-18 14:12:39,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:39,703 INFO L225 Difference]: With dead ends: 2169 [2024-11-18 14:12:39,704 INFO L226 Difference]: Without dead ends: 1135 [2024-11-18 14:12:39,708 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 14:12:39,708 INFO L432 NwaCegarLoop]: 837 mSDtfsCounter, 2 mSDsluCounter, 5005 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5842 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:12:39,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 5842 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:12:39,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2024-11-18 14:12:39,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1131. [2024-11-18 14:12:39,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 881 states have (on average 1.503972758229285) internal successors, (1325), 900 states have internal predecessors, (1325), 178 states have call successors, (178), 70 states have call predecessors, (178), 71 states have return successors, (200), 169 states have call predecessors, (200), 177 states have call successors, (200) [2024-11-18 14:12:39,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1703 transitions. [2024-11-18 14:12:39,767 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1703 transitions. Word has length 182 [2024-11-18 14:12:39,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:39,767 INFO L471 AbstractCegarLoop]: Abstraction has 1131 states and 1703 transitions. [2024-11-18 14:12:39,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 17.333333333333332) internal successors, (104), 8 states have internal predecessors, (104), 4 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-18 14:12:39,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1703 transitions. [2024-11-18 14:12:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-18 14:12:39,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:39,772 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] [2024-11-18 14:12:39,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-18 14:12:39,773 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:39,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:39,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1500921403, now seen corresponding path program 1 times [2024-11-18 14:12:39,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:39,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077226998] [2024-11-18 14:12:39,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:39,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:39,940 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-18 14:12:39,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:39,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077226998] [2024-11-18 14:12:39,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077226998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:12:39,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081812353] [2024-11-18 14:12:39,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:39,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:12:39,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:12:39,943 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 14:12:39,945 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 14:12:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:40,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-18 14:12:40,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:12:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-18 14:12:40,373 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:12:40,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081812353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:40,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:12:40,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-18 14:12:40,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198346929] [2024-11-18 14:12:40,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:40,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:12:40,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:40,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:12:40,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-18 14:12:40,376 INFO L87 Difference]: Start difference. First operand 1131 states and 1703 transitions. Second operand has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-18 14:12:40,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:40,509 INFO L93 Difference]: Finished difference Result 2165 states and 3288 transitions. [2024-11-18 14:12:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:12:40,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 185 [2024-11-18 14:12:40,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:40,518 INFO L225 Difference]: With dead ends: 2165 [2024-11-18 14:12:40,518 INFO L226 Difference]: Without dead ends: 1137 [2024-11-18 14:12:40,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-18 14:12:40,524 INFO L432 NwaCegarLoop]: 837 mSDtfsCounter, 1 mSDsluCounter, 3331 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4168 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:12:40,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4168 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:40,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2024-11-18 14:12:40,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1135. [2024-11-18 14:12:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 883 states have (on average 1.5028312570781428) internal successors, (1327), 904 states have internal predecessors, (1327), 178 states have call successors, (178), 70 states have call predecessors, (178), 73 states have return successors, (204), 169 states have call predecessors, (204), 177 states have call successors, (204) [2024-11-18 14:12:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1709 transitions. [2024-11-18 14:12:40,578 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1709 transitions. Word has length 185 [2024-11-18 14:12:40,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:40,578 INFO L471 AbstractCegarLoop]: Abstraction has 1135 states and 1709 transitions. [2024-11-18 14:12:40,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-18 14:12:40,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1709 transitions. [2024-11-18 14:12:40,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-18 14:12:40,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:40,583 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] [2024-11-18 14:12:40,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-18 14:12:40,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-18 14:12:40,785 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:40,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:40,785 INFO L85 PathProgramCache]: Analyzing trace with hash 840664285, now seen corresponding path program 1 times [2024-11-18 14:12:40,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:40,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746653173] [2024-11-18 14:12:40,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:40,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:40,931 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 14:12:40,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:40,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746653173] [2024-11-18 14:12:40,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746653173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:12:40,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906900599] [2024-11-18 14:12:40,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:40,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:12:40,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:12:40,934 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:12:40,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-18 14:12:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:41,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:12:41,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:12:41,346 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 14:12:41,347 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 14:12:41,461 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 14:12:41,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906900599] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 14:12:41,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 14:12:41,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-18 14:12:41,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735464544] [2024-11-18 14:12:41,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 14:12:41,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 14:12:41,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:41,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 14:12:41,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:12:41,464 INFO L87 Difference]: Start difference. First operand 1135 states and 1709 transitions. Second operand has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 7 states have internal predecessors, (134), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-18 14:12:41,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:41,708 INFO L93 Difference]: Finished difference Result 2687 states and 4175 transitions. [2024-11-18 14:12:41,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:12:41,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 7 states have internal predecessors, (134), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 184 [2024-11-18 14:12:41,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:41,722 INFO L225 Difference]: With dead ends: 2687 [2024-11-18 14:12:41,722 INFO L226 Difference]: Without dead ends: 2243 [2024-11-18 14:12:41,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 365 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 14:12:41,725 INFO L432 NwaCegarLoop]: 870 mSDtfsCounter, 487 mSDsluCounter, 3501 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 4371 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:12:41,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 4371 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:12:41,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2243 states. [2024-11-18 14:12:41,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2243 to 2213. [2024-11-18 14:12:41,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 1803 states have (on average 1.5391014975041597) internal successors, (2775), 1824 states have internal predecessors, (2775), 336 states have call successors, (336), 70 states have call predecessors, (336), 73 states have return successors, (387), 327 states have call predecessors, (387), 335 states have call successors, (387) [2024-11-18 14:12:41,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 3498 transitions. [2024-11-18 14:12:41,817 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 3498 transitions. Word has length 184 [2024-11-18 14:12:41,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:41,818 INFO L471 AbstractCegarLoop]: Abstraction has 2213 states and 3498 transitions. [2024-11-18 14:12:41,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 7 states have internal predecessors, (134), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-18 14:12:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 3498 transitions. [2024-11-18 14:12:41,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-18 14:12:41,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:41,827 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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] [2024-11-18 14:12:41,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-18 14:12:42,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:12:42,029 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:42,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:42,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1872826623, now seen corresponding path program 1 times [2024-11-18 14:12:42,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:42,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187592262] [2024-11-18 14:12:42,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:42,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:42,151 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 14:12:42,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:42,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187592262] [2024-11-18 14:12:42,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187592262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:42,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:42,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:12:42,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960039651] [2024-11-18 14:12:42,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:42,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:12:42,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:42,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:12:42,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:12:42,155 INFO L87 Difference]: Start difference. First operand 2213 states and 3498 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:42,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:42,241 INFO L93 Difference]: Finished difference Result 5219 states and 8358 transitions. [2024-11-18 14:12:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:12:42,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2024-11-18 14:12:42,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:42,259 INFO L225 Difference]: With dead ends: 5219 [2024-11-18 14:12:42,260 INFO L226 Difference]: Without dead ends: 3225 [2024-11-18 14:12:42,269 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 14:12:42,269 INFO L432 NwaCegarLoop]: 869 mSDtfsCounter, 163 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1703 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 14:12:42,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1703 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:42,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3225 states. [2024-11-18 14:12:42,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3225 to 3215. [2024-11-18 14:12:42,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3215 states, 2647 states have (on average 1.5440120891575368) internal successors, (4087), 2668 states have internal predecessors, (4087), 494 states have call successors, (494), 70 states have call predecessors, (494), 73 states have return successors, (570), 485 states have call predecessors, (570), 493 states have call successors, (570) [2024-11-18 14:12:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5151 transitions. [2024-11-18 14:12:42,482 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5151 transitions. Word has length 188 [2024-11-18 14:12:42,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:42,482 INFO L471 AbstractCegarLoop]: Abstraction has 3215 states and 5151 transitions. [2024-11-18 14:12:42,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:42,483 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5151 transitions. [2024-11-18 14:12:42,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-18 14:12:42,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:42,498 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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] [2024-11-18 14:12:42,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-18 14:12:42,498 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:42,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:42,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1099792935, now seen corresponding path program 1 times [2024-11-18 14:12:42,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:42,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23164674] [2024-11-18 14:12:42,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:42,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:42,608 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 14:12:42,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:42,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23164674] [2024-11-18 14:12:42,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23164674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:42,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:42,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:12:42,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799349508] [2024-11-18 14:12:42,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:42,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:12:42,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:42,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:12:42,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:12:42,612 INFO L87 Difference]: Start difference. First operand 3215 states and 5151 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:42,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:42,790 INFO L93 Difference]: Finished difference Result 7713 states and 12465 transitions. [2024-11-18 14:12:42,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:12:42,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 189 [2024-11-18 14:12:42,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:42,824 INFO L225 Difference]: With dead ends: 7713 [2024-11-18 14:12:42,824 INFO L226 Difference]: Without dead ends: 4843 [2024-11-18 14:12:42,840 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 14:12:42,841 INFO L432 NwaCegarLoop]: 847 mSDtfsCounter, 161 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 1686 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 14:12:42,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 1686 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:42,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4843 states. [2024-11-18 14:12:43,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4843 to 4833. [2024-11-18 14:12:43,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4833 states, 4027 states have (on average 1.551278867643407) internal successors, (6247), 4048 states have internal predecessors, (6247), 732 states have call successors, (732), 70 states have call predecessors, (732), 73 states have return successors, (824), 723 states have call predecessors, (824), 731 states have call successors, (824) [2024-11-18 14:12:43,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4833 states to 4833 states and 7803 transitions. [2024-11-18 14:12:43,088 INFO L78 Accepts]: Start accepts. Automaton has 4833 states and 7803 transitions. Word has length 189 [2024-11-18 14:12:43,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:43,088 INFO L471 AbstractCegarLoop]: Abstraction has 4833 states and 7803 transitions. [2024-11-18 14:12:43,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:43,091 INFO L276 IsEmpty]: Start isEmpty. Operand 4833 states and 7803 transitions. [2024-11-18 14:12:43,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-18 14:12:43,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:43,110 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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] [2024-11-18 14:12:43,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-18 14:12:43,111 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:43,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:43,111 INFO L85 PathProgramCache]: Analyzing trace with hash -751491457, now seen corresponding path program 1 times [2024-11-18 14:12:43,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:43,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768068261] [2024-11-18 14:12:43,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:43,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-18 14:12:43,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:43,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768068261] [2024-11-18 14:12:43,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768068261] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:12:43,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85272921] [2024-11-18 14:12:43,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:43,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:12:43,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:12:43,363 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:12:43,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-18 14:12:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:43,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:12:43,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:12:43,760 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-18 14:12:43,760 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:12:43,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85272921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:43,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:12:43,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-18 14:12:43,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831428108] [2024-11-18 14:12:43,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:43,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:12:43,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:43,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:12:43,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:12:43,764 INFO L87 Difference]: Start difference. First operand 4833 states and 7803 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:43,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:43,921 INFO L93 Difference]: Finished difference Result 11511 states and 18745 transitions. [2024-11-18 14:12:43,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:12:43,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-18 14:12:43,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:43,982 INFO L225 Difference]: With dead ends: 11511 [2024-11-18 14:12:43,982 INFO L226 Difference]: Without dead ends: 7337 [2024-11-18 14:12:44,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:12:44,001 INFO L432 NwaCegarLoop]: 847 mSDtfsCounter, 159 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1683 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 14:12:44,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1683 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:44,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7337 states. [2024-11-18 14:12:44,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7337 to 7327. [2024-11-18 14:12:44,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7327 states, 6197 states have (on average 1.558011941261901) internal successors, (9655), 6218 states have internal predecessors, (9655), 1056 states have call successors, (1056), 70 states have call predecessors, (1056), 73 states have return successors, (1198), 1047 states have call predecessors, (1198), 1055 states have call successors, (1198) [2024-11-18 14:12:44,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7327 states to 7327 states and 11909 transitions. [2024-11-18 14:12:44,356 INFO L78 Accepts]: Start accepts. Automaton has 7327 states and 11909 transitions. Word has length 192 [2024-11-18 14:12:44,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:44,357 INFO L471 AbstractCegarLoop]: Abstraction has 7327 states and 11909 transitions. [2024-11-18 14:12:44,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:44,357 INFO L276 IsEmpty]: Start isEmpty. Operand 7327 states and 11909 transitions. [2024-11-18 14:12:44,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-18 14:12:44,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:44,381 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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] [2024-11-18 14:12:44,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-18 14:12:44,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:12:44,582 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:44,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:44,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1245854497, now seen corresponding path program 1 times [2024-11-18 14:12:44,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:44,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308087676] [2024-11-18 14:12:44,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:44,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:44,665 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 14:12:44,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:44,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308087676] [2024-11-18 14:12:44,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308087676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:44,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:44,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:12:44,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018876287] [2024-11-18 14:12:44,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:44,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:12:44,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:44,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:12:44,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:12:44,667 INFO L87 Difference]: Start difference. First operand 7327 states and 11909 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:44,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:44,948 INFO L93 Difference]: Finished difference Result 17515 states and 28701 transitions. [2024-11-18 14:12:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:12:44,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-18 14:12:44,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:44,999 INFO L225 Difference]: With dead ends: 17515 [2024-11-18 14:12:44,999 INFO L226 Difference]: Without dead ends: 11365 [2024-11-18 14:12:45,024 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 14:12:45,025 INFO L432 NwaCegarLoop]: 847 mSDtfsCounter, 157 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1683 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 14:12:45,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 1683 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:45,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11365 states. [2024-11-18 14:12:45,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11365 to 11355. [2024-11-18 14:12:45,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11355 states, 9735 states have (on average 1.5641499743194658) internal successors, (15227), 9756 states have internal predecessors, (15227), 1546 states have call successors, (1546), 70 states have call predecessors, (1546), 73 states have return successors, (1771), 1537 states have call predecessors, (1771), 1545 states have call successors, (1771) [2024-11-18 14:12:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11355 states to 11355 states and 18544 transitions. [2024-11-18 14:12:45,611 INFO L78 Accepts]: Start accepts. Automaton has 11355 states and 18544 transitions. Word has length 191 [2024-11-18 14:12:45,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:45,612 INFO L471 AbstractCegarLoop]: Abstraction has 11355 states and 18544 transitions. [2024-11-18 14:12:45,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:45,612 INFO L276 IsEmpty]: Start isEmpty. Operand 11355 states and 18544 transitions. [2024-11-18 14:12:45,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-18 14:12:45,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:45,646 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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] [2024-11-18 14:12:45,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-18 14:12:45,647 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:45,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:45,647 INFO L85 PathProgramCache]: Analyzing trace with hash 745846090, now seen corresponding path program 1 times [2024-11-18 14:12:45,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:45,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418532565] [2024-11-18 14:12:45,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:45,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-18 14:12:45,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:45,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418532565] [2024-11-18 14:12:45,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418532565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:12:45,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541798439] [2024-11-18 14:12:45,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:45,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:12:45,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:12:45,854 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:12:45,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-18 14:12:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:46,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 1401 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:12:46,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:12:46,314 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-18 14:12:46,314 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:12:46,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541798439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:46,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:12:46,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-18 14:12:46,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001971187] [2024-11-18 14:12:46,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:46,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:12:46,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:46,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:12:46,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:12:46,319 INFO L87 Difference]: Start difference. First operand 11355 states and 18544 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:46,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:46,797 INFO L93 Difference]: Finished difference Result 27501 states and 45188 transitions. [2024-11-18 14:12:46,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:12:46,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2024-11-18 14:12:46,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:46,872 INFO L225 Difference]: With dead ends: 27501 [2024-11-18 14:12:46,872 INFO L226 Difference]: Without dead ends: 18115 [2024-11-18 14:12:46,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:12:46,910 INFO L432 NwaCegarLoop]: 861 mSDtfsCounter, 155 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1694 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 14:12:46,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 1694 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:46,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18115 states. [2024-11-18 14:12:47,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18115 to 18105. [2024-11-18 14:12:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18105 states, 15499 states have (on average 1.5597780501967868) internal successors, (24175), 15520 states have internal predecessors, (24175), 2532 states have call successors, (2532), 70 states have call predecessors, (2532), 73 states have return successors, (2901), 2523 states have call predecessors, (2901), 2531 states have call successors, (2901) [2024-11-18 14:12:47,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18105 states to 18105 states and 29608 transitions. [2024-11-18 14:12:47,708 INFO L78 Accepts]: Start accepts. Automaton has 18105 states and 29608 transitions. Word has length 194 [2024-11-18 14:12:47,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:47,709 INFO L471 AbstractCegarLoop]: Abstraction has 18105 states and 29608 transitions. [2024-11-18 14:12:47,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 18105 states and 29608 transitions. [2024-11-18 14:12:47,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-18 14:12:47,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:47,741 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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] [2024-11-18 14:12:47,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-18 14:12:47,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:12:47,943 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:47,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:47,943 INFO L85 PathProgramCache]: Analyzing trace with hash -193535891, now seen corresponding path program 1 times [2024-11-18 14:12:47,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:47,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489884492] [2024-11-18 14:12:47,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:47,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-18 14:12:48,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:48,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489884492] [2024-11-18 14:12:48,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489884492] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:12:48,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971097522] [2024-11-18 14:12:48,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:48,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:12:48,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:12:48,102 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:12:48,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-18 14:12:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:48,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:12:48,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:12:48,489 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-18 14:12:48,489 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:12:48,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971097522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:48,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:12:48,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-18 14:12:48,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834042562] [2024-11-18 14:12:48,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:48,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:12:48,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:48,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:12:48,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:12:48,491 INFO L87 Difference]: Start difference. First operand 18105 states and 29608 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:49,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:49,375 INFO L93 Difference]: Finished difference Result 45407 states and 74790 transitions. [2024-11-18 14:12:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:12:49,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 195 [2024-11-18 14:12:49,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:49,508 INFO L225 Difference]: With dead ends: 45407 [2024-11-18 14:12:49,508 INFO L226 Difference]: Without dead ends: 30263 [2024-11-18 14:12:49,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:12:49,566 INFO L432 NwaCegarLoop]: 847 mSDtfsCounter, 153 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 1686 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 14:12:49,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 1686 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:49,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30263 states. [2024-11-18 14:12:50,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30263 to 30253. [2024-11-18 14:12:50,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30253 states, 26003 states have (on average 1.5643964157981771) internal successors, (40679), 26024 states have internal predecessors, (40679), 4176 states have call successors, (4176), 70 states have call predecessors, (4176), 73 states have return successors, (4734), 4167 states have call predecessors, (4734), 4175 states have call successors, (4734) [2024-11-18 14:12:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30253 states to 30253 states and 49589 transitions. [2024-11-18 14:12:51,085 INFO L78 Accepts]: Start accepts. Automaton has 30253 states and 49589 transitions. Word has length 195 [2024-11-18 14:12:51,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:51,086 INFO L471 AbstractCegarLoop]: Abstraction has 30253 states and 49589 transitions. [2024-11-18 14:12:51,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:51,087 INFO L276 IsEmpty]: Start isEmpty. Operand 30253 states and 49589 transitions. [2024-11-18 14:12:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-18 14:12:51,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:51,336 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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] [2024-11-18 14:12:51,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-18 14:12:51,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-18 14:12:51,538 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:51,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:51,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1402024676, now seen corresponding path program 1 times [2024-11-18 14:12:51,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:51,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698473684] [2024-11-18 14:12:51,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:51,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:51,778 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 14:12:51,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:51,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698473684] [2024-11-18 14:12:51,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698473684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:51,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:51,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:12:51,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239944282] [2024-11-18 14:12:51,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:51,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:12:51,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:51,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:12:51,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:12:51,781 INFO L87 Difference]: Start difference. First operand 30253 states and 49589 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:53,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:53,158 INFO L93 Difference]: Finished difference Result 73025 states and 119172 transitions. [2024-11-18 14:12:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:12:53,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2024-11-18 14:12:53,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:53,359 INFO L225 Difference]: With dead ends: 73025 [2024-11-18 14:12:53,359 INFO L226 Difference]: Without dead ends: 48001 [2024-11-18 14:12:53,437 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 14:12:53,437 INFO L432 NwaCegarLoop]: 861 mSDtfsCounter, 151 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 1673 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 14:12:53,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 1673 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:53,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48001 states. [2024-11-18 14:12:55,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48001 to 47991. [2024-11-18 14:12:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47991 states, 41335 states have (on average 1.5365912664811903) internal successors, (63515), 41356 states have internal predecessors, (63515), 6582 states have call successors, (6582), 70 states have call predecessors, (6582), 73 states have return successors, (7565), 6573 states have call predecessors, (7565), 6581 states have call successors, (7565) [2024-11-18 14:12:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47991 states to 47991 states and 77662 transitions. [2024-11-18 14:12:55,792 INFO L78 Accepts]: Start accepts. Automaton has 47991 states and 77662 transitions. Word has length 194 [2024-11-18 14:12:55,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:12:55,792 INFO L471 AbstractCegarLoop]: Abstraction has 47991 states and 77662 transitions. [2024-11-18 14:12:55,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:55,793 INFO L276 IsEmpty]: Start isEmpty. Operand 47991 states and 77662 transitions. [2024-11-18 14:12:55,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-18 14:12:55,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:12:55,842 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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] [2024-11-18 14:12:55,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-18 14:12:55,843 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:12:55,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:12:55,843 INFO L85 PathProgramCache]: Analyzing trace with hash 2112441836, now seen corresponding path program 1 times [2024-11-18 14:12:55,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:12:55,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930562771] [2024-11-18 14:12:55,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:12:55,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:12:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:12:55,914 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 14:12:55,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:12:55,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930562771] [2024-11-18 14:12:55,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930562771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:12:55,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:12:55,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:12:55,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721620995] [2024-11-18 14:12:55,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:12:55,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:12:55,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:12:55,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:12:55,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:12:55,917 INFO L87 Difference]: Start difference. First operand 47991 states and 77662 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:12:58,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:12:58,376 INFO L93 Difference]: Finished difference Result 126731 states and 205871 transitions. [2024-11-18 14:12:58,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:12:58,377 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 195 [2024-11-18 14:12:58,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:12:58,669 INFO L225 Difference]: With dead ends: 126731 [2024-11-18 14:12:58,669 INFO L226 Difference]: Without dead ends: 85593 [2024-11-18 14:12:58,752 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 14:12:58,753 INFO L432 NwaCegarLoop]: 847 mSDtfsCounter, 149 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1687 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 14:12:58,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1687 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:12:58,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85593 states. [2024-11-18 14:13:01,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85593 to 85583. [2024-11-18 14:13:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85583 states, 74027 states have (on average 1.5361287097950749) internal successors, (113715), 74048 states have internal predecessors, (113715), 11482 states have call successors, (11482), 70 states have call predecessors, (11482), 73 states have return successors, (13279), 11473 states have call predecessors, (13279), 11481 states have call successors, (13279) [2024-11-18 14:13:02,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85583 states to 85583 states and 138476 transitions. [2024-11-18 14:13:02,637 INFO L78 Accepts]: Start accepts. Automaton has 85583 states and 138476 transitions. Word has length 195 [2024-11-18 14:13:02,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:13:02,638 INFO L471 AbstractCegarLoop]: Abstraction has 85583 states and 138476 transitions. [2024-11-18 14:13:02,638 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:13:02,638 INFO L276 IsEmpty]: Start isEmpty. Operand 85583 states and 138476 transitions. [2024-11-18 14:13:02,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-18 14:13:02,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:13:02,699 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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] [2024-11-18 14:13:02,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-18 14:13:02,699 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:13:02,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:13:02,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2144929033, now seen corresponding path program 1 times [2024-11-18 14:13:02,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:13:02,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866969065] [2024-11-18 14:13:02,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:13:02,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:13:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:13:02,777 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 14:13:02,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:13:02,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866969065] [2024-11-18 14:13:02,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866969065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:13:02,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:13:02,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:13:02,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855346256] [2024-11-18 14:13:02,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:13:02,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:13:02,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:13:02,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:13:02,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:13:02,780 INFO L87 Difference]: Start difference. First operand 85583 states and 138476 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:13:06,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:13:06,817 INFO L93 Difference]: Finished difference Result 232055 states and 376935 transitions. [2024-11-18 14:13:06,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:13:06,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2024-11-18 14:13:06,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:13:07,421 INFO L225 Difference]: With dead ends: 232055 [2024-11-18 14:13:07,421 INFO L226 Difference]: Without dead ends: 155677 [2024-11-18 14:13:07,935 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 14:13:07,936 INFO L432 NwaCegarLoop]: 849 mSDtfsCounter, 147 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1688 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 14:13:07,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1688 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:13:08,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155677 states. [2024-11-18 14:13:12,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155677 to 155667. [2024-11-18 14:13:13,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155667 states, 135085 states have (on average 1.5394677425324796) internal successors, (207959), 135106 states have internal predecessors, (207959), 20508 states have call successors, (20508), 70 states have call predecessors, (20508), 73 states have return successors, (23369), 20499 states have call predecessors, (23369), 20507 states have call successors, (23369) [2024-11-18 14:13:13,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155667 states to 155667 states and 251836 transitions. [2024-11-18 14:13:13,676 INFO L78 Accepts]: Start accepts. Automaton has 155667 states and 251836 transitions. Word has length 196 [2024-11-18 14:13:13,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:13:13,677 INFO L471 AbstractCegarLoop]: Abstraction has 155667 states and 251836 transitions. [2024-11-18 14:13:13,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:13:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 155667 states and 251836 transitions. [2024-11-18 14:13:13,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-18 14:13:13,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:13:13,745 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 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] [2024-11-18 14:13:13,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-18 14:13:13,745 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:13:13,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:13:13,746 INFO L85 PathProgramCache]: Analyzing trace with hash 116600038, now seen corresponding path program 1 times [2024-11-18 14:13:13,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:13:13,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155177629] [2024-11-18 14:13:13,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:13:13,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:13:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:13:14,439 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 14:13:14,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:13:14,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155177629] [2024-11-18 14:13:14,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155177629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:13:14,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:13:14,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:13:14,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538486257] [2024-11-18 14:13:14,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:13:14,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:13:14,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:13:14,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:13:14,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:13:14,446 INFO L87 Difference]: Start difference. First operand 155667 states and 251836 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 14:13:20,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:13:20,349 INFO L93 Difference]: Finished difference Result 290971 states and 472310 transitions. [2024-11-18 14:13:20,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:13:20,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 197 [2024-11-18 14:13:20,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:13:21,412 INFO L225 Difference]: With dead ends: 290971 [2024-11-18 14:13:21,412 INFO L226 Difference]: Without dead ends: 290527 [2024-11-18 14:13:21,526 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 14:13:21,526 INFO L432 NwaCegarLoop]: 849 mSDtfsCounter, 141 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1694 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 14:13:21,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1694 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:13:21,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290527 states.