./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU --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 6360accf87941df9e6bbc5dca5477ecef598d17cc597fc561012b4ee441ae425 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:11:09,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:11:09,226 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:11:09,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:11:09,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:11:09,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:11:09,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:11:09,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:11:09,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:11:09,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:11:09,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:11:09,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:11:09,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:11:09,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:11:09,282 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:11:09,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:11:09,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:11:09,283 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:11:09,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:11:09,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:11:09,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:11:09,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:11:09,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:11:09,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:11:09,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:11:09,291 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:11:09,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:11:09,291 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:11:09,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:11:09,293 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:11:09,294 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:11:09,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:11:09,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:09,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:11:09,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:11:09,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:11:09,296 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:11:09,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:11:09,296 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:11:09,296 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:11:09,297 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:11:09,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:11:09,297 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6360accf87941df9e6bbc5dca5477ecef598d17cc597fc561012b4ee441ae425 [2024-10-31 22:11:09,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:11:09,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:11:09,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:11:09,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:11:09,694 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:11:09,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/product-lines/email_spec0_product34.cil.c Unable to find full path for "g++" [2024-10-31 22:11:11,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:12,351 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:12,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/sv-benchmarks/c/product-lines/email_spec0_product34.cil.c [2024-10-31 22:11:12,381 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/data/fa8decdea/05df3c0ffd114053b4fd97bbd46890e9/FLAGf6d6223fb [2024-10-31 22:11:12,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/data/fa8decdea/05df3c0ffd114053b4fd97bbd46890e9 [2024-10-31 22:11:12,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:12,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:12,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:12,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:12,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:12,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:12" (1/1) ... [2024-10-31 22:11:12,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfd54e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:12, skipping insertion in model container [2024-10-31 22:11:12,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:12" (1/1) ... [2024-10-31 22:11:12,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:11:12,921 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/sv-benchmarks/c/product-lines/email_spec0_product34.cil.c[12611,12624] [2024-10-31 22:11:13,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:13,289 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:11:13,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-10-31 22:11:13,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [380] [2024-10-31 22:11:13,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [599] [2024-10-31 22:11:13,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [608] [2024-10-31 22:11:13,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [643] [2024-10-31 22:11:13,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1712] [2024-10-31 22:11:13,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2078] [2024-10-31 22:11:13,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2226] [2024-10-31 22:11:13,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2628] [2024-10-31 22:11:13,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2647] [2024-10-31 22:11:13,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2664] [2024-10-31 22:11:13,346 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/sv-benchmarks/c/product-lines/email_spec0_product34.cil.c[12611,12624] [2024-10-31 22:11:13,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:13,512 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:11:13,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13 WrapperNode [2024-10-31 22:11:13,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:13,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:13,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:11:13,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:11:13,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13" (1/1) ... [2024-10-31 22:11:13,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13" (1/1) ... [2024-10-31 22:11:13,610 INFO L138 Inliner]: procedures = 134, calls = 218, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1094 [2024-10-31 22:11:13,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:13,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:11:13,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:11:13,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:11:13,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13" (1/1) ... [2024-10-31 22:11:13,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13" (1/1) ... [2024-10-31 22:11:13,648 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13" (1/1) ... [2024-10-31 22:11:13,678 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-31 22:11:13,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13" (1/1) ... [2024-10-31 22:11:13,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13" (1/1) ... [2024-10-31 22:11:13,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13" (1/1) ... [2024-10-31 22:11:13,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13" (1/1) ... [2024-10-31 22:11:13,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13" (1/1) ... [2024-10-31 22:11:13,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13" (1/1) ... [2024-10-31 22:11:13,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:11:13,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:11:13,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:11:13,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:11:13,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13" (1/1) ... [2024-10-31 22:11:13,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:13,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:13,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:11:13,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:11:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-31 22:11:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-31 22:11:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-31 22:11:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-31 22:11:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-31 22:11:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-31 22:11:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-31 22:11:13,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-31 22:11:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-31 22:11:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-31 22:11:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-31 22:11:13,835 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-31 22:11:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-31 22:11:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-31 22:11:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-31 22:11:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-31 22:11:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-31 22:11:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-31 22:11:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-31 22:11:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-31 22:11:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-31 22:11:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-31 22:11:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-31 22:11:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-31 22:11:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-31 22:11:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-31 22:11:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-31 22:11:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-31 22:11:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:11:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-31 22:11:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-31 22:11:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-31 22:11:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-31 22:11:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-31 22:11:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-31 22:11:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-31 22:11:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-31 22:11:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-31 22:11:13,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-31 22:11:13,842 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-31 22:11:13,842 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-31 22:11:13,842 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-10-31 22:11:13,842 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-10-31 22:11:13,842 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-10-31 22:11:13,843 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-10-31 22:11:13,843 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-31 22:11:13,843 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-31 22:11:13,843 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-31 22:11:13,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-31 22:11:13,843 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-31 22:11:13,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-31 22:11:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-31 22:11:13,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-31 22:11:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:11:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:11:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:11:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:11:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-31 22:11:13,845 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-31 22:11:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-31 22:11:13,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-31 22:11:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:11:13,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:11:14,128 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:11:14,132 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:11:15,447 INFO L? ?]: Removed 580 outVars from TransFormulas that were not future-live. [2024-10-31 22:11:15,448 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:11:15,470 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:11:15,470 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:11:15,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:15 BoogieIcfgContainer [2024-10-31 22:11:15,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:11:15,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:11:15,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:11:15,477 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:11:15,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:11:12" (1/3) ... [2024-10-31 22:11:15,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e0f99ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:15, skipping insertion in model container [2024-10-31 22:11:15,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:13" (2/3) ... [2024-10-31 22:11:15,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e0f99ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:15, skipping insertion in model container [2024-10-31 22:11:15,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:15" (3/3) ... [2024-10-31 22:11:15,480 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product34.cil.c [2024-10-31 22:11:15,499 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:11:15,499 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:11:15,598 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:11:15,607 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;@4c8a4c43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:11:15,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:11:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 444 states, 344 states have (on average 1.5377906976744187) internal successors, (529), 349 states have internal predecessors, (529), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-31 22:11:15,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-31 22:11:15,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:15,658 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:15,658 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:15,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:15,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1517468300, now seen corresponding path program 1 times [2024-10-31 22:11:15,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:15,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261703758] [2024-10-31 22:11:15,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:15,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:11:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:11:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:11:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:11:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-31 22:11:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-31 22:11:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-31 22:11:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-31 22:11:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:11:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-31 22:11:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:11:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:11:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-31 22:11:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-31 22:11:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-31 22:11:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-31 22:11:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-31 22:11:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 22:11:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-31 22:11:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-31 22:11:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 22:11:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,891 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-31 22:11:16,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:16,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261703758] [2024-10-31 22:11:16,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261703758] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:16,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936868745] [2024-10-31 22:11:16,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:16,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:16,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:16,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:16,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:11:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:17,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 1356 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:11:17,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-31 22:11:17,447 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:11:17,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936868745] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:17,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:11:17,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-31 22:11:17,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698542435] [2024-10-31 22:11:17,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:17,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:11:17,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:17,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:11:17,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:11:17,494 INFO L87 Difference]: Start difference. First operand has 444 states, 344 states have (on average 1.5377906976744187) internal successors, (529), 349 states have internal predecessors, (529), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) Second operand has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-31 22:11:17,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:17,613 INFO L93 Difference]: Finished difference Result 695 states and 1028 transitions. [2024-10-31 22:11:17,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:11:17,621 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 173 [2024-10-31 22:11:17,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:17,645 INFO L225 Difference]: With dead ends: 695 [2024-10-31 22:11:17,645 INFO L226 Difference]: Without dead ends: 437 [2024-10-31 22:11:17,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:11:17,659 INFO L432 NwaCegarLoop]: 665 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, 665 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 [2024-10-31 22:11:17,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:17,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-10-31 22:11:17,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2024-10-31 22:11:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 338 states have (on average 1.532544378698225) internal successors, (518), 342 states have internal predecessors, (518), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2024-10-31 22:11:17,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 657 transitions. [2024-10-31 22:11:17,832 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 657 transitions. Word has length 173 [2024-10-31 22:11:17,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:17,833 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 657 transitions. [2024-10-31 22:11:17,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-31 22:11:17,839 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 657 transitions. [2024-10-31 22:11:17,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-31 22:11:17,851 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:17,851 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:17,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:11:18,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-31 22:11:18,052 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:18,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:18,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1749758496, now seen corresponding path program 1 times [2024-10-31 22:11:18,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:18,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847406301] [2024-10-31 22:11:18,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:18,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:11:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:11:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:11:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:11:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-31 22:11:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-31 22:11:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:11:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 22:11:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 22:11:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 22:11:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:11:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-31 22:11:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-31 22:11:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 22:11:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-31 22:11:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-31 22:11:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-31 22:11:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 22:11:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-31 22:11:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-31 22:11:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-31 22:11:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,631 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-31 22:11:18,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:18,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847406301] [2024-10-31 22:11:18,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847406301] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:18,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014240305] [2024-10-31 22:11:18,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:18,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:18,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:18,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:18,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:11:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 1357 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:11:19,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-31 22:11:19,162 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:11:19,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014240305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:19,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:11:19,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-31 22:11:19,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991160133] [2024-10-31 22:11:19,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:19,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:19,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:19,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:19,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:11:19,169 INFO L87 Difference]: Start difference. First operand 437 states and 657 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-31 22:11:19,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:19,237 INFO L93 Difference]: Finished difference Result 685 states and 1006 transitions. [2024-10-31 22:11:19,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:19,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 174 [2024-10-31 22:11:19,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:19,245 INFO L225 Difference]: With dead ends: 685 [2024-10-31 22:11:19,245 INFO L226 Difference]: Without dead ends: 440 [2024-10-31 22:11:19,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:11:19,248 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 1 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1308 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 [2024-10-31 22:11:19,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1308 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:19,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-10-31 22:11:19,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 439. [2024-10-31 22:11:19,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 340 states have (on average 1.5294117647058822) internal successors, (520), 344 states have internal predecessors, (520), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2024-10-31 22:11:19,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 659 transitions. [2024-10-31 22:11:19,279 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 659 transitions. Word has length 174 [2024-10-31 22:11:19,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:19,280 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 659 transitions. [2024-10-31 22:11:19,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-31 22:11:19,281 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 659 transitions. [2024-10-31 22:11:19,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-10-31 22:11:19,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:19,285 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:19,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 22:11:19,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:19,486 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:19,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:19,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1899567712, now seen corresponding path program 1 times [2024-10-31 22:11:19,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:19,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484155155] [2024-10-31 22:11:19,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:19,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:11:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:11:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:11:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:11:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-31 22:11:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-31 22:11:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:11:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 22:11:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-31 22:11:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 22:11:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-31 22:11:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-31 22:11:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-31 22:11:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-31 22:11:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-31 22:11:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-31 22:11:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-31 22:11:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-31 22:11:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,952 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-31 22:11:19,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:19,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484155155] [2024-10-31 22:11:19,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484155155] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:19,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880669239] [2024-10-31 22:11:19,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:19,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:19,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:19,956 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:19,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:11:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:20,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:11:20,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:20,447 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-31 22:11:20,447 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:11:20,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880669239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:20,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:11:20,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-31 22:11:20,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412660901] [2024-10-31 22:11:20,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:20,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:20,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:20,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:20,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:11:20,451 INFO L87 Difference]: Start difference. First operand 439 states and 659 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:11:20,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:20,500 INFO L93 Difference]: Finished difference Result 926 states and 1410 transitions. [2024-10-31 22:11:20,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:20,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 161 [2024-10-31 22:11:20,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:20,507 INFO L225 Difference]: With dead ends: 926 [2024-10-31 22:11:20,507 INFO L226 Difference]: Without dead ends: 514 [2024-10-31 22:11:20,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:11:20,513 INFO L432 NwaCegarLoop]: 669 mSDtfsCounter, 134 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1279 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 [2024-10-31 22:11:20,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1279 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:20,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-10-31 22:11:20,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 506. [2024-10-31 22:11:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 393 states have (on average 1.549618320610687) internal successors, (609), 397 states have internal predecessors, (609), 84 states have call successors, (84), 28 states have call predecessors, (84), 28 states have return successors, (83), 82 states have call predecessors, (83), 83 states have call successors, (83) [2024-10-31 22:11:20,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 776 transitions. [2024-10-31 22:11:20,572 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 776 transitions. Word has length 161 [2024-10-31 22:11:20,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:20,572 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 776 transitions. [2024-10-31 22:11:20,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:11:20,573 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 776 transitions. [2024-10-31 22:11:20,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-31 22:11:20,580 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:20,580 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:20,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 22:11:20,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:20,781 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:20,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:20,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1204487827, now seen corresponding path program 1 times [2024-10-31 22:11:20,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:20,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274537470] [2024-10-31 22:11:20,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:20,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:11:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:11:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:11:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:11:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-31 22:11:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-31 22:11:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:11:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:11:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-31 22:11:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:11:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-31 22:11:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-31 22:11:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 22:11:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:11:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:11:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-31 22:11:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-31 22:11:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-31 22:11:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-31 22:11:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-31 22:11:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-31 22:11:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,207 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-31 22:11:21,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:21,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274537470] [2024-10-31 22:11:21,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274537470] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:21,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316554784] [2024-10-31 22:11:21,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:21,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:21,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:21,210 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:21,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:11:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:21,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:11:21,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-31 22:11:21,766 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:11:21,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316554784] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:21,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:11:21,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-31 22:11:21,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851471578] [2024-10-31 22:11:21,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:21,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:11:21,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:21,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:11:21,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:11:21,770 INFO L87 Difference]: Start difference. First operand 506 states and 776 transitions. Second operand has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-31 22:11:21,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:21,849 INFO L93 Difference]: Finished difference Result 1003 states and 1542 transitions. [2024-10-31 22:11:21,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:11:21,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 181 [2024-10-31 22:11:21,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:21,854 INFO L225 Difference]: With dead ends: 1003 [2024-10-31 22:11:21,854 INFO L226 Difference]: Without dead ends: 508 [2024-10-31 22:11:21,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:11:21,857 INFO L432 NwaCegarLoop]: 649 mSDtfsCounter, 2 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2585 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:21,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2585 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:21,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-10-31 22:11:21,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2024-10-31 22:11:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 394 states have (on average 1.5482233502538072) internal successors, (610), 399 states have internal predecessors, (610), 84 states have call successors, (84), 28 states have call predecessors, (84), 29 states have return successors, (85), 82 states have call predecessors, (85), 83 states have call successors, (85) [2024-10-31 22:11:21,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 779 transitions. [2024-10-31 22:11:21,881 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 779 transitions. Word has length 181 [2024-10-31 22:11:21,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:21,881 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 779 transitions. [2024-10-31 22:11:21,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-31 22:11:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 779 transitions. [2024-10-31 22:11:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-31 22:11:21,886 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:21,886 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:21,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:11:22,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:22,091 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:22,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:22,091 INFO L85 PathProgramCache]: Analyzing trace with hash -931853603, now seen corresponding path program 1 times [2024-10-31 22:11:22,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:22,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525683846] [2024-10-31 22:11:22,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:22,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:11:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:11:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:11:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-31 22:11:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-31 22:11:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 22:11:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 22:11:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:11:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 22:11:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:11:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-31 22:11:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-31 22:11:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-31 22:11:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:11:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-31 22:11:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-31 22:11:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-31 22:11:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-31 22:11:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-31 22:11:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-31 22:11:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-31 22:11:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-31 22:11:22,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:22,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525683846] [2024-10-31 22:11:22,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525683846] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:22,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826896974] [2024-10-31 22:11:22,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:22,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:22,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:22,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:22,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:11:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 1375 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:11:22,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-31 22:11:23,067 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:11:23,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826896974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:23,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:11:23,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-31 22:11:23,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479689498] [2024-10-31 22:11:23,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:23,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:11:23,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:23,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:11:23,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-31 22:11:23,070 INFO L87 Difference]: Start difference. First operand 508 states and 779 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-31 22:11:23,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:23,160 INFO L93 Difference]: Finished difference Result 1005 states and 1547 transitions. [2024-10-31 22:11:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:11:23,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 182 [2024-10-31 22:11:23,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:23,166 INFO L225 Difference]: With dead ends: 1005 [2024-10-31 22:11:23,166 INFO L226 Difference]: Without dead ends: 510 [2024-10-31 22:11:23,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-31 22:11:23,170 INFO L432 NwaCegarLoop]: 647 mSDtfsCounter, 2 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2571 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:23,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2571 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:23,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-10-31 22:11:23,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2024-10-31 22:11:23,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 395 states have (on average 1.5468354430379747) internal successors, (611), 401 states have internal predecessors, (611), 84 states have call successors, (84), 28 states have call predecessors, (84), 30 states have return successors, (90), 82 states have call predecessors, (90), 83 states have call successors, (90) [2024-10-31 22:11:23,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 785 transitions. [2024-10-31 22:11:23,222 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 785 transitions. Word has length 182 [2024-10-31 22:11:23,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:23,222 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 785 transitions. [2024-10-31 22:11:23,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-31 22:11:23,223 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 785 transitions. [2024-10-31 22:11:23,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-31 22:11:23,228 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:23,228 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-31 22:11:23,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 22:11:23,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a444334e-78bf-4e86-8c2f-c049d91a9318/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:23,433 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:23,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:23,435 INFO L85 PathProgramCache]: Analyzing trace with hash 490747617, now seen corresponding path program 1 times [2024-10-31 22:11:23,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:23,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915159660] [2024-10-31 22:11:23,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:23,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:11:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:11:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:11:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-31 22:11:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:11:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:11:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-31 22:11:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 22:11:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:11:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-31 22:11:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:11:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:11:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:11:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:11:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:11:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-31 22:11:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-31 22:11:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-31 22:11:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,816 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-31 22:11:23,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:23,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915159660] [2024-10-31 22:11:23,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915159660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:23,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:23,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-31 22:11:23,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004180281] [2024-10-31 22:11:23,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:23,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:11:23,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:23,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:11:23,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:11:23,819 INFO L87 Difference]: Start difference. First operand 510 states and 785 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-31 22:11:27,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:27,279 INFO L93 Difference]: Finished difference Result 1210 states and 1874 transitions. [2024-10-31 22:11:27,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:11:27,280 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 164 [2024-10-31 22:11:27,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:27,288 INFO L225 Difference]: With dead ends: 1210 [2024-10-31 22:11:27,290 INFO L226 Difference]: Without dead ends: 723 [2024-10-31 22:11:27,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:11:27,293 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1604 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 3127 mSolverCounterSat, 552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 3679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 3127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:27,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 1338 Invalid, 3679 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [552 Valid, 3127 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-31 22:11:27,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-10-31 22:11:27,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 510. [2024-10-31 22:11:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 395 states have (on average 1.5468354430379747) internal successors, (611), 401 states have internal predecessors, (611), 84 states have call successors, (84), 28 states have call predecessors, (84), 30 states have return successors, (89), 82 states have call predecessors, (89), 83 states have call successors, (89) [2024-10-31 22:11:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 784 transitions. [2024-10-31 22:11:27,354 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 784 transitions. Word has length 164 [2024-10-31 22:11:27,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:27,354 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 784 transitions. [2024-10-31 22:11:27,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-31 22:11:27,355 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 784 transitions. [2024-10-31 22:11:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-31 22:11:27,358 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:27,359 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:27,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:11:27,359 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:27,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:27,360 INFO L85 PathProgramCache]: Analyzing trace with hash 986511993, now seen corresponding path program 2 times [2024-10-31 22:11:27,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:27,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369193003] [2024-10-31 22:11:27,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:27,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:11:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:11:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:11:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-31 22:11:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:11:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:11:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-31 22:11:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-31 22:11:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:11:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-31 22:11:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:11:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:11:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:11:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-31 22:11:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-31 22:11:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 22:11:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-31 22:11:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-31 22:11:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,668 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-31 22:11:27,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:27,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369193003] [2024-10-31 22:11:27,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369193003] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:27,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:27,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-31 22:11:27,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980053016] [2024-10-31 22:11:27,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:27,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:11:27,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:27,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:11:27,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:11:27,671 INFO L87 Difference]: Start difference. First operand 510 states and 784 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-31 22:11:31,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:31,548 INFO L93 Difference]: Finished difference Result 1212 states and 1877 transitions. [2024-10-31 22:11:31,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:11:31,549 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 165 [2024-10-31 22:11:31,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:31,556 INFO L225 Difference]: With dead ends: 1212 [2024-10-31 22:11:31,556 INFO L226 Difference]: Without dead ends: 725 [2024-10-31 22:11:31,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:11:31,560 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1559 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 3169 mSolverCounterSat, 544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 3713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 3169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:31,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 1336 Invalid, 3713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [544 Valid, 3169 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-31 22:11:31,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-10-31 22:11:31,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 512. [2024-10-31 22:11:31,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 396 states have (on average 1.5454545454545454) internal successors, (612), 403 states have internal predecessors, (612), 84 states have call successors, (84), 28 states have call predecessors, (84), 31 states have return successors, (91), 82 states have call predecessors, (91), 83 states have call successors, (91) [2024-10-31 22:11:31,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 787 transitions. [2024-10-31 22:11:31,616 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 787 transitions. Word has length 165 [2024-10-31 22:11:31,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:31,616 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 787 transitions. [2024-10-31 22:11:31,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-31 22:11:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 787 transitions. [2024-10-31 22:11:31,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-31 22:11:31,620 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:31,620 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-31 22:11:31,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:11:31,621 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:31,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:31,621 INFO L85 PathProgramCache]: Analyzing trace with hash -609084742, now seen corresponding path program 1 times [2024-10-31 22:11:31,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:31,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746657181] [2024-10-31 22:11:31,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:31,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:11:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:11:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:11:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-31 22:11:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:11:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-31 22:11:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 22:11:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 22:11:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-31 22:11:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-31 22:11:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-31 22:11:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-31 22:11:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-31 22:11:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-31 22:11:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-31 22:11:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 22:11:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-31 22:11:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-31 22:11:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-31 22:11:31,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:31,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746657181] [2024-10-31 22:11:31,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746657181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:31,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:31,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-31 22:11:31,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535875581] [2024-10-31 22:11:31,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:31,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:11:31,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:31,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:11:31,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:11:31,944 INFO L87 Difference]: Start difference. First operand 512 states and 787 transitions. Second operand has 9 states, 8 states have (on average 12.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-31 22:11:35,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:35,684 INFO L93 Difference]: Finished difference Result 1212 states and 1876 transitions. [2024-10-31 22:11:35,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 22:11:35,685 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 166 [2024-10-31 22:11:35,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:35,690 INFO L225 Difference]: With dead ends: 1212 [2024-10-31 22:11:35,691 INFO L226 Difference]: Without dead ends: 725 [2024-10-31 22:11:35,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-31 22:11:35,693 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1619 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 3071 mSolverCounterSat, 565 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1620 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 3636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 565 IncrementalHoareTripleChecker+Valid, 3071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:35,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1620 Valid, 1333 Invalid, 3636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [565 Valid, 3071 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-31 22:11:35,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-10-31 22:11:35,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 512. [2024-10-31 22:11:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 396 states have (on average 1.5454545454545454) internal successors, (612), 403 states have internal predecessors, (612), 84 states have call successors, (84), 28 states have call predecessors, (84), 31 states have return successors, (91), 82 states have call predecessors, (91), 83 states have call successors, (91) [2024-10-31 22:11:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 787 transitions. [2024-10-31 22:11:35,750 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 787 transitions. Word has length 166 [2024-10-31 22:11:35,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:35,751 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 787 transitions. [2024-10-31 22:11:35,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-31 22:11:35,751 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 787 transitions. [2024-10-31 22:11:35,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-31 22:11:35,755 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:35,755 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:35,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:11:35,756 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:35,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:35,756 INFO L85 PathProgramCache]: Analyzing trace with hash 2112431789, now seen corresponding path program 1 times [2024-10-31 22:11:35,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:35,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851314030] [2024-10-31 22:11:35,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:35,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:35,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:11:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:35,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:11:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:35,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:11:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:35,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-31 22:11:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:35,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:11:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-31 22:11:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 22:11:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 22:11:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-31 22:11:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-31 22:11:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:11:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:11:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-31 22:11:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-31 22:11:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-31 22:11:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 22:11:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-31 22:11:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-31 22:11:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-31 22:11:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-31 22:11:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-31 22:11:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:11:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,187 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-31 22:11:36,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:36,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851314030] [2024-10-31 22:11:36,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851314030] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:36,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:36,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-31 22:11:36,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087750662] [2024-10-31 22:11:36,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:36,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 22:11:36,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:36,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:11:36,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:11:36,190 INFO L87 Difference]: Start difference. First operand 512 states and 787 transitions. Second operand has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22)