./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1b2e6fc3090957bb44fbf381fe29c5adbd1106bdb77e2b6b77c5e6e962ffc5b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:27:21,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:27:21,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:27:21,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:27:21,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:27:21,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:27:21,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:27:21,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:27:21,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:27:21,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:27:21,240 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:27:21,240 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:27:21,241 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:27:21,242 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:27:21,244 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:27:21,244 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:27:21,245 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:27:21,245 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:27:21,245 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:27:21,246 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:27:21,246 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:27:21,251 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:27:21,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:27:21,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:27:21,252 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:27:21,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:27:21,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:27:21,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:27:21,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:27:21,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:27:21,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:27:21,254 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:27:21,254 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:27:21,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:27:21,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:27:21,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:27:21,255 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:27:21,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:27:21,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:27:21,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:27:21,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:27:21,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:27:21,259 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:27:21,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:27:21,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:27:21,261 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:27:21,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:27:21,261 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1b2e6fc3090957bb44fbf381fe29c5adbd1106bdb77e2b6b77c5e6e962ffc5b [2024-11-09 07:27:21,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:27:21,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:27:21,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:27:21,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:27:21,552 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:27:21,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c Unable to find full path for "g++" [2024-11-09 07:27:23,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:27:23,993 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:27:23,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2024-11-09 07:27:24,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/data/42280845b/a0fc39c383134f3b9105d96ea43ed59f/FLAG99bc26d76 [2024-11-09 07:27:24,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/data/42280845b/a0fc39c383134f3b9105d96ea43ed59f [2024-11-09 07:27:24,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:27:24,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:27:24,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:27:24,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:27:24,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:27:24,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:27:24" (1/1) ... [2024-11-09 07:27:24,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db9ad17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:24, skipping insertion in model container [2024-11-09 07:27:24,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:27:24" (1/1) ... [2024-11-09 07:27:24,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:27:24,739 WARN L250 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_5f39d768-7f36-449b-b655-3c6151cb9564/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c[37973,37986] [2024-11-09 07:27:24,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:27:24,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:27:24,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-09 07:27:24,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [414] [2024-11-09 07:27:24,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1494] [2024-11-09 07:27:24,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1543] [2024-11-09 07:27:24,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1561] [2024-11-09 07:27:24,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1570] [2024-11-09 07:27:24,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1718] [2024-11-09 07:27:24,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1943] [2024-11-09 07:27:24,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2320] [2024-11-09 07:27:24,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2717] [2024-11-09 07:27:24,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2995] [2024-11-09 07:27:25,070 WARN L250 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_5f39d768-7f36-449b-b655-3c6151cb9564/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c[37973,37986] [2024-11-09 07:27:25,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:27:25,192 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:27:25,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:25 WrapperNode [2024-11-09 07:27:25,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:27:25,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:27:25,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:27:25,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:27:25,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:25" (1/1) ... [2024-11-09 07:27:25,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:25" (1/1) ... [2024-11-09 07:27:25,327 INFO L138 Inliner]: procedures = 131, calls = 212, calls flagged for inlining = 54, calls inlined = 47, statements flattened = 929 [2024-11-09 07:27:25,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:27:25,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:27:25,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:27:25,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:27:25,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:25" (1/1) ... [2024-11-09 07:27:25,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:25" (1/1) ... [2024-11-09 07:27:25,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:25" (1/1) ... [2024-11-09 07:27:25,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:25" (1/1) ... [2024-11-09 07:27:25,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:25" (1/1) ... [2024-11-09 07:27:25,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:25" (1/1) ... [2024-11-09 07:27:25,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:25" (1/1) ... [2024-11-09 07:27:25,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:25" (1/1) ... [2024-11-09 07:27:25,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:27:25,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:27:25,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:27:25,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:27:25,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:25" (1/1) ... [2024-11-09 07:27:25,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:27:25,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:27:25,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:27:25,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:27:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 07:27:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 07:27:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 07:27:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 07:27:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 07:27:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 07:27:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 07:27:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 07:27:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 07:27:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 07:27:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 07:27:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 07:27:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 07:27:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 07:27:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 07:27:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 07:27:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 07:27:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 07:27:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 07:27:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 07:27:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 07:27:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 07:27:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 07:27:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 07:27:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 07:27:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 07:27:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 07:27:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 07:27:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:27:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 07:27:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 07:27:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 07:27:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 07:27:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 07:27:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 07:27:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 07:27:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 07:27:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 07:27:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 07:27:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 07:27:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 07:27:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-09 07:27:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-09 07:27:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-09 07:27:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-09 07:27:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 07:27:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 07:27:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 07:27:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 07:27:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 07:27:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 07:27:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 07:27:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 07:27:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 07:27:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 07:27:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:27:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 07:27:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 07:27:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 07:27:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 07:27:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:27:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:27:25,805 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:27:25,808 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:27:27,161 INFO L? ?]: Removed 510 outVars from TransFormulas that were not future-live. [2024-11-09 07:27:27,161 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:27:28,000 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:27:28,002 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:27:28,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:27:28 BoogieIcfgContainer [2024-11-09 07:27:28,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:27:28,006 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:27:28,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:27:28,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:27:28,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:27:24" (1/3) ... [2024-11-09 07:27:28,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0f3d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:27:28, skipping insertion in model container [2024-11-09 07:27:28,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:25" (2/3) ... [2024-11-09 07:27:28,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0f3d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:27:28, skipping insertion in model container [2024-11-09 07:27:28,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:27:28" (3/3) ... [2024-11-09 07:27:28,016 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product29.cil.c [2024-11-09 07:27:28,098 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:27:28,099 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:27:28,206 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:27:28,217 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=FINITE_AUTOMATA, 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;@74e42c8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:27:28,217 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:27:28,223 INFO L276 IsEmpty]: Start isEmpty. Operand has 217 states, 122 states have (on average 1.3032786885245902) internal successors, (159), 127 states have internal predecessors, (159), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-09 07:27:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 07:27:28,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:27:28,248 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 07:27:28,249 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:27:28,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:27:28,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1927488630, now seen corresponding path program 1 times [2024-11-09 07:27:28,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:27:28,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058367342] [2024-11-09 07:27:28,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:27:28,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:27:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:27:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 07:27:28,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:27:28,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058367342] [2024-11-09 07:27:28,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058367342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:27:28,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:27:28,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:27:28,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512222160] [2024-11-09 07:27:28,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:27:28,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:27:28,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:27:28,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:27:28,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:27:28,881 INFO L87 Difference]: Start difference. First operand has 217 states, 122 states have (on average 1.3032786885245902) internal successors, (159), 127 states have internal predecessors, (159), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 07:27:29,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:27:29,045 INFO L93 Difference]: Finished difference Result 342 states and 445 transitions. [2024-11-09 07:27:29,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:27:29,051 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 99 [2024-11-09 07:27:29,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:27:29,067 INFO L225 Difference]: With dead ends: 342 [2024-11-09 07:27:29,070 INFO L226 Difference]: Without dead ends: 214 [2024-11-09 07:27:29,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:27:29,081 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:27:29,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:27:29,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-09 07:27:29,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-11-09 07:27:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 120 states have (on average 1.275) internal successors, (153), 124 states have internal predecessors, (153), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-09 07:27:29,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 280 transitions. [2024-11-09 07:27:29,164 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 280 transitions. Word has length 99 [2024-11-09 07:27:29,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:27:29,169 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 280 transitions. [2024-11-09 07:27:29,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 07:27:29,170 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 280 transitions. [2024-11-09 07:27:29,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 07:27:29,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:27:29,183 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:27:29,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:27:29,183 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:27:29,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:27:29,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1730738649, now seen corresponding path program 1 times [2024-11-09 07:27:29,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:27:29,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377655930] [2024-11-09 07:27:29,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:27:29,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:27:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:27:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 07:27:29,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:27:29,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377655930] [2024-11-09 07:27:29,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377655930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:27:29,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:27:29,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:27:29,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204345140] [2024-11-09 07:27:29,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:27:29,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:27:29,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:27:29,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:27:29,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:27:29,625 INFO L87 Difference]: Start difference. First operand 214 states and 280 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 07:27:29,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:27:29,861 INFO L93 Difference]: Finished difference Result 338 states and 430 transitions. [2024-11-09 07:27:29,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:27:29,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 111 [2024-11-09 07:27:29,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:27:29,866 INFO L225 Difference]: With dead ends: 338 [2024-11-09 07:27:29,869 INFO L226 Difference]: Without dead ends: 216 [2024-11-09 07:27:29,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:27:29,872 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 0 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:27:29,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 483 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:27:29,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-09 07:27:29,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-09 07:27:29,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 122 states have (on average 1.2704918032786885) internal successors, (155), 126 states have internal predecessors, (155), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-09 07:27:29,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 282 transitions. [2024-11-09 07:27:29,914 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 282 transitions. Word has length 111 [2024-11-09 07:27:29,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:27:29,916 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 282 transitions. [2024-11-09 07:27:29,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 07:27:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 282 transitions. [2024-11-09 07:27:29,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 07:27:29,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:27:29,924 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:27:29,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:27:29,924 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:27:29,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:27:29,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1893825419, now seen corresponding path program 1 times [2024-11-09 07:27:29,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:27:29,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051922092] [2024-11-09 07:27:29,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:27:29,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:27:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:27:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 07:27:30,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:27:30,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051922092] [2024-11-09 07:27:30,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051922092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:27:30,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:27:30,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:27:30,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801380064] [2024-11-09 07:27:30,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:27:30,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:27:30,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:27:30,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:27:30,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:27:30,177 INFO L87 Difference]: Start difference. First operand 216 states and 282 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 07:27:30,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:27:30,343 INFO L93 Difference]: Finished difference Result 467 states and 631 transitions. [2024-11-09 07:27:30,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:27:30,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 116 [2024-11-09 07:27:30,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:27:30,347 INFO L225 Difference]: With dead ends: 467 [2024-11-09 07:27:30,349 INFO L226 Difference]: Without dead ends: 269 [2024-11-09 07:27:30,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:27:30,352 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 59 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:27:30,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 496 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:27:30,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-09 07:27:30,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 264. [2024-11-09 07:27:30,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 156 states have (on average 1.3461538461538463) internal successors, (210), 160 states have internal predecessors, (210), 78 states have call successors, (78), 29 states have call predecessors, (78), 29 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-09 07:27:30,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 365 transitions. [2024-11-09 07:27:30,401 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 365 transitions. Word has length 116 [2024-11-09 07:27:30,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:27:30,404 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 365 transitions. [2024-11-09 07:27:30,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 07:27:30,404 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 365 transitions. [2024-11-09 07:27:30,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 07:27:30,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:27:30,409 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:27:30,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:27:30,410 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:27:30,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:27:30,410 INFO L85 PathProgramCache]: Analyzing trace with hash -942181845, now seen corresponding path program 1 times [2024-11-09 07:27:30,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:27:30,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003378073] [2024-11-09 07:27:30,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:27:30,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:27:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:27:30,745 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 07:27:30,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:27:30,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003378073] [2024-11-09 07:27:30,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003378073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:27:30,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782497160] [2024-11-09 07:27:30,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:27:30,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:27:30,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:27:30,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:27:30,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:27:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:27:31,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 1065 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:27:31,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:27:31,383 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 07:27:31,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:27:31,560 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 07:27:31,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782497160] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:27:31,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [522965373] [2024-11-09 07:27:31,584 INFO L159 IcfgInterpreter]: Started Sifa with 96 locations of interest [2024-11-09 07:27:31,585 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:27:31,589 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:27:31,594 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:27:31,595 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:28:07,622 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 07:28:07,883 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 07:28:08,021 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:29:08,324 WARN L286 SmtUtils]: Spent 10.76s on a formula simplification. DAG size of input: 455 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:29:19,755 WARN L286 SmtUtils]: Spent 10.47s on a formula simplification. DAG size of input: 456 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:29:28,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [522965373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:29:28,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:29:28,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 07:29:28,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996411296] [2024-11-09 07:29:28,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:29:28,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 07:29:28,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:29:28,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 07:29:28,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2024-11-09 07:29:28,463 INFO L87 Difference]: Start difference. First operand 264 states and 365 transitions. Second operand has 23 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2024-11-09 07:29:42,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:29:42,577 INFO L93 Difference]: Finished difference Result 543 states and 768 transitions. [2024-11-09 07:29:42,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 07:29:42,578 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) Word has length 117 [2024-11-09 07:29:42,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:29:42,580 INFO L225 Difference]: With dead ends: 543 [2024-11-09 07:29:42,582 INFO L226 Difference]: Without dead ends: 297 [2024-11-09 07:29:42,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 326 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 83.8s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2024-11-09 07:29:42,589 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 26 mSDsluCounter, 3211 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3434 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:29:42,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3434 Invalid, 2235 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2024-11-09 07:29:42,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-09 07:29:42,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 287. [2024-11-09 07:29:42,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 182 states have internal predecessors, (243), 78 states have call successors, (78), 30 states have call predecessors, (78), 30 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-09 07:29:42,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 398 transitions. [2024-11-09 07:29:42,725 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 398 transitions. Word has length 117 [2024-11-09 07:29:42,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:29:42,726 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 398 transitions. [2024-11-09 07:29:42,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2024-11-09 07:29:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 398 transitions. [2024-11-09 07:29:42,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 07:29:42,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:29:42,740 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:29:42,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:29:42,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:29:42,941 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:29:42,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:29:42,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1818539209, now seen corresponding path program 1 times [2024-11-09 07:29:42,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:29:42,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758525780] [2024-11-09 07:29:42,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:29:42,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:29:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:29:43,079 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 07:29:43,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:29:43,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758525780] [2024-11-09 07:29:43,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758525780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:29:43,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:29:43,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:29:43,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989851174] [2024-11-09 07:29:43,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:29:43,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:29:43,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:29:43,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:29:43,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:29:43,083 INFO L87 Difference]: Start difference. First operand 287 states and 398 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 07:29:43,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:29:43,311 INFO L93 Difference]: Finished difference Result 677 states and 976 transitions. [2024-11-09 07:29:43,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:29:43,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 122 [2024-11-09 07:29:43,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:29:43,315 INFO L225 Difference]: With dead ends: 677 [2024-11-09 07:29:43,316 INFO L226 Difference]: Without dead ends: 414 [2024-11-09 07:29:43,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:29:43,319 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 57 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:29:43,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 490 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:29:43,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-09 07:29:43,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 409. [2024-11-09 07:29:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 269 states have (on average 1.4237918215613383) internal successors, (383), 273 states have internal predecessors, (383), 109 states have call successors, (109), 30 states have call predecessors, (109), 30 states have return successors, (108), 107 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-09 07:29:43,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 600 transitions. [2024-11-09 07:29:43,440 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 600 transitions. Word has length 122 [2024-11-09 07:29:43,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:29:43,440 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 600 transitions. [2024-11-09 07:29:43,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 07:29:43,441 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 600 transitions. [2024-11-09 07:29:43,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 07:29:43,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:29:43,444 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 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] [2024-11-09 07:29:43,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:29:43,445 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:29:43,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:29:43,446 INFO L85 PathProgramCache]: Analyzing trace with hash 248855331, now seen corresponding path program 1 times [2024-11-09 07:29:43,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:29:43,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241717641] [2024-11-09 07:29:43,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:29:43,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:29:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:29:43,643 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 07:29:43,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:29:43,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241717641] [2024-11-09 07:29:43,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241717641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:29:43,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127639259] [2024-11-09 07:29:43,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:29:43,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:29:43,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:29:43,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:29:43,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 07:29:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:29:44,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:29:44,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:29:44,100 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 07:29:44,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:29:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 07:29:44,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127639259] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:29:44,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1971494877] [2024-11-09 07:29:44,225 INFO L159 IcfgInterpreter]: Started Sifa with 93 locations of interest [2024-11-09 07:29:44,226 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:29:44,226 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:29:44,226 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:29:44,226 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:30:36,622 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 07:30:36,820 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 440 for LOIs [2024-11-09 07:30:38,139 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:31:02,344 WARN L286 SmtUtils]: Spent 7.37s on a formula simplification. DAG size of input: 440 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:31:13,543 WARN L286 SmtUtils]: Spent 10.74s on a formula simplification. DAG size of input: 464 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:31:55,742 WARN L286 SmtUtils]: Spent 10.56s on a formula simplification. DAG size of input: 457 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:32:07,354 WARN L286 SmtUtils]: Spent 10.53s on a formula simplification. DAG size of input: 458 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:32:29,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1971494877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:32:29,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:32:29,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 07:32:29,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293516152] [2024-11-09 07:32:29,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:32:29,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 07:32:29,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:32:29,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 07:32:29,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2024-11-09 07:32:29,102 INFO L87 Difference]: Start difference. First operand 409 states and 600 transitions. Second operand has 26 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 8 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-09 07:32:45,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:32:45,701 INFO L93 Difference]: Finished difference Result 828 states and 1243 transitions. [2024-11-09 07:32:45,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 07:32:45,702 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 8 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) Word has length 112 [2024-11-09 07:32:45,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:32:45,705 INFO L225 Difference]: With dead ends: 828 [2024-11-09 07:32:45,705 INFO L226 Difference]: Without dead ends: 482 [2024-11-09 07:32:45,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 114.3s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 07:32:45,708 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 43 mSDsluCounter, 2963 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3182 SdHoareTripleChecker+Invalid, 2566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-09 07:32:45,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3182 Invalid, 2566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2557 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2024-11-09 07:32:45,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-09 07:32:45,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 423. [2024-11-09 07:32:45,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 281 states have (on average 1.4234875444839858) internal successors, (400), 285 states have internal predecessors, (400), 110 states have call successors, (110), 31 states have call predecessors, (110), 31 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-09 07:32:45,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 619 transitions. [2024-11-09 07:32:45,824 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 619 transitions. Word has length 112 [2024-11-09 07:32:45,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:32:45,824 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 619 transitions. [2024-11-09 07:32:45,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 8 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-09 07:32:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 619 transitions. [2024-11-09 07:32:45,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 07:32:45,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:32:45,828 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:32:45,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 07:32:46,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 07:32:46,029 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:32:46,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:32:46,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1564269630, now seen corresponding path program 1 times [2024-11-09 07:32:46,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:32:46,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794441022] [2024-11-09 07:32:46,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:32:46,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:32:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:32:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 07:32:46,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:32:46,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794441022] [2024-11-09 07:32:46,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794441022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:32:46,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023624714] [2024-11-09 07:32:46,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:32:46,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:32:46,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:32:46,270 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:32:46,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 07:32:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:32:46,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:32:46,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:32:46,772 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 07:32:46,773 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:32:46,891 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 07:32:46,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023624714] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:32:46,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [206907652] [2024-11-09 07:32:46,895 INFO L159 IcfgInterpreter]: Started Sifa with 98 locations of interest [2024-11-09 07:32:46,895 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:32:46,896 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:32:46,896 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:32:46,896 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:33:50,361 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 07:33:50,536 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 486 for LOIs [2024-11-09 07:33:51,618 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 495 for LOIs [2024-11-09 07:33:52,675 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 431 for LOIs [2024-11-09 07:33:53,178 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 07:33:53,337 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:34:55,929 WARN L286 SmtUtils]: Spent 13.12s on a formula simplification. DAG size of input: 515 DAG size of output: 510 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:35:09,909 WARN L286 SmtUtils]: Spent 13.14s on a formula simplification. DAG size of input: 516 DAG size of output: 510 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:35:30,830 WARN L286 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 496 DAG size of output: 496 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:35:36,863 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 501 DAG size of output: 497 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:35:42,732 WARN L286 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 495 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:35:48,494 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 495 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:35:54,313 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 491 DAG size of output: 487 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:36:00,019 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:36:05,744 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:36:11,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [206907652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:36:11,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:36:11,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 07:36:11,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480352026] [2024-11-09 07:36:11,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:36:11,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 07:36:11,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:36:11,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 07:36:11,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 07:36:11,406 INFO L87 Difference]: Start difference. First operand 423 states and 619 transitions. Second operand has 33 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 10 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (23), 10 states have call predecessors, (23), 10 states have call successors, (23) [2024-11-09 07:36:37,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:36:37,195 INFO L93 Difference]: Finished difference Result 853 states and 1278 transitions. [2024-11-09 07:36:37,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 07:36:37,196 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 10 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (23), 10 states have call predecessors, (23), 10 states have call successors, (23) Word has length 115 [2024-11-09 07:36:37,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:36:37,199 INFO L225 Difference]: With dead ends: 853 [2024-11-09 07:36:37,199 INFO L226 Difference]: Without dead ends: 507 [2024-11-09 07:36:37,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 141.4s TimeCoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 07:36:37,205 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 104 mSDsluCounter, 4274 mSDsCounter, 0 mSdLazyCounter, 4083 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 4496 SdHoareTripleChecker+Invalid, 4093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 4083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:36:37,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 4496 Invalid, 4093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 4083 Invalid, 0 Unknown, 0 Unchecked, 22.0s Time] [2024-11-09 07:36:37,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-09 07:36:37,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 459. [2024-11-09 07:36:37,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 311 states have (on average 1.4212218649517685) internal successors, (442), 315 states have internal predecessors, (442), 113 states have call successors, (113), 34 states have call predecessors, (113), 34 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-09 07:36:37,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 667 transitions. [2024-11-09 07:36:37,375 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 667 transitions. Word has length 115 [2024-11-09 07:36:37,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:36:37,375 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 667 transitions. [2024-11-09 07:36:37,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 10 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (23), 10 states have call predecessors, (23), 10 states have call successors, (23) [2024-11-09 07:36:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 667 transitions. [2024-11-09 07:36:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 07:36:37,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:36:37,378 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-09 07:36:37,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 07:36:37,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:36:37,579 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:36:37,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:36:37,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1156742856, now seen corresponding path program 1 times [2024-11-09 07:36:37,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:36:37,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939645101] [2024-11-09 07:36:37,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:36:37,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:36:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:36:37,784 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 07:36:37,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:36:37,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939645101] [2024-11-09 07:36:37,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939645101] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:36:37,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340379997] [2024-11-09 07:36:37,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:36:37,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:36:37,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:36:37,787 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:36:37,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 07:36:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:36:38,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:36:38,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:36:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 07:36:38,278 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:36:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 07:36:38,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340379997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:36:38,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [934391588] [2024-11-09 07:36:38,404 INFO L159 IcfgInterpreter]: Started Sifa with 104 locations of interest [2024-11-09 07:36:38,404 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:36:38,405 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:36:38,405 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:36:38,405 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:37:20,956 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 07:37:21,125 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 07:37:21,254 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:38:21,270 WARN L286 SmtUtils]: Spent 10.44s on a formula simplification. DAG size of input: 455 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:38:32,934 WARN L286 SmtUtils]: Spent 10.51s on a formula simplification. DAG size of input: 456 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:39:01,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [934391588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:39:01,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:39:01,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 07:39:01,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021303066] [2024-11-09 07:39:01,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:39:01,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 07:39:01,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:39:01,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 07:39:01,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=893, Unknown=0, NotChecked=0, Total=992 [2024-11-09 07:39:01,203 INFO L87 Difference]: Start difference. First operand 459 states and 667 transitions. Second operand has 27 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 18 states have internal predecessors, (65), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2024-11-09 07:39:17,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:39:17,714 INFO L93 Difference]: Finished difference Result 854 states and 1267 transitions. [2024-11-09 07:39:17,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 07:39:17,715 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 18 states have internal predecessors, (65), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) Word has length 125 [2024-11-09 07:39:17,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:39:17,718 INFO L225 Difference]: With dead ends: 854 [2024-11-09 07:39:17,718 INFO L226 Difference]: Without dead ends: 508 [2024-11-09 07:39:17,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 342 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 103.4s TimeCoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 07:39:17,721 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 18 mSDsluCounter, 3400 mSDsCounter, 0 mSdLazyCounter, 2670 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3615 SdHoareTripleChecker+Invalid, 2679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:39:17,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3615 Invalid, 2679 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2670 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2024-11-09 07:39:17,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-09 07:39:17,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 479. [2024-11-09 07:39:17,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 331 states have (on average 1.4259818731117824) internal successors, (472), 335 states have internal predecessors, (472), 113 states have call successors, (113), 34 states have call predecessors, (113), 34 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-09 07:39:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 697 transitions. [2024-11-09 07:39:17,900 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 697 transitions. Word has length 125 [2024-11-09 07:39:17,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:39:17,900 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 697 transitions. [2024-11-09 07:39:17,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 18 states have internal predecessors, (65), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2024-11-09 07:39:17,901 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 697 transitions. [2024-11-09 07:39:17,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 07:39:17,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:39:17,904 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:39:17,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 07:39:18,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:39:18,105 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:39:18,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:39:18,106 INFO L85 PathProgramCache]: Analyzing trace with hash 794965303, now seen corresponding path program 1 times [2024-11-09 07:39:18,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:39:18,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753674601] [2024-11-09 07:39:18,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:39:18,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:39:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:39:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-09 07:39:18,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:39:18,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753674601] [2024-11-09 07:39:18,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753674601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:39:18,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:39:18,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 07:39:18,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497007412] [2024-11-09 07:39:18,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:39:18,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 07:39:18,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:39:18,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 07:39:18,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-09 07:39:18,774 INFO L87 Difference]: Start difference. First operand 479 states and 697 transitions. Second operand has 12 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 6 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-09 07:39:20,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:39:20,141 INFO L93 Difference]: Finished difference Result 930 states and 1335 transitions. [2024-11-09 07:39:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 07:39:20,142 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 6 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 128 [2024-11-09 07:39:20,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:39:20,147 INFO L225 Difference]: With dead ends: 930 [2024-11-09 07:39:20,147 INFO L226 Difference]: Without dead ends: 813 [2024-11-09 07:39:20,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-09 07:39:20,149 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 256 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 1893 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 07:39:20,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 1893 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1231 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 07:39:20,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-09 07:39:20,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 806. [2024-11-09 07:39:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 538 states have (on average 1.436802973977695) internal successors, (773), 546 states have internal predecessors, (773), 207 states have call successors, (207), 61 states have call predecessors, (207), 60 states have return successors, (203), 202 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-09 07:39:20,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1183 transitions. [2024-11-09 07:39:20,524 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1183 transitions. Word has length 128 [2024-11-09 07:39:20,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:39:20,525 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1183 transitions. [2024-11-09 07:39:20,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 6 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-09 07:39:20,525 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1183 transitions. [2024-11-09 07:39:20,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 07:39:20,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:39:20,529 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:39:20,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 07:39:20,529 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:39:20,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:39:20,530 INFO L85 PathProgramCache]: Analyzing trace with hash -493928728, now seen corresponding path program 1 times [2024-11-09 07:39:20,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:39:20,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950297495] [2024-11-09 07:39:20,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:39:20,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:39:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:39:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-09 07:39:21,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:39:21,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950297495] [2024-11-09 07:39:21,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950297495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:39:21,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:39:21,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-09 07:39:21,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368877504] [2024-11-09 07:39:21,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:39:21,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 07:39:21,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:39:21,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 07:39:21,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-09 07:39:21,571 INFO L87 Difference]: Start difference. First operand 806 states and 1183 transitions. Second operand has 18 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 13 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2024-11-09 07:39:23,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:39:23,602 INFO L93 Difference]: Finished difference Result 1377 states and 1918 transitions. [2024-11-09 07:39:23,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 07:39:23,603 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 13 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) Word has length 117 [2024-11-09 07:39:23,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:39:23,610 INFO L225 Difference]: With dead ends: 1377 [2024-11-09 07:39:23,611 INFO L226 Difference]: Without dead ends: 1147 [2024-11-09 07:39:23,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-11-09 07:39:23,613 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 329 mSDsluCounter, 2002 mSDsCounter, 0 mSdLazyCounter, 2496 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 2214 SdHoareTripleChecker+Invalid, 2582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:39:23,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 2214 Invalid, 2582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2496 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 07:39:23,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2024-11-09 07:39:23,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1135. [2024-11-09 07:39:23,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 715 states have (on average 1.3776223776223777) internal successors, (985), 736 states have internal predecessors, (985), 317 states have call successors, (317), 102 states have call predecessors, (317), 102 states have return successors, (316), 308 states have call predecessors, (316), 306 states have call successors, (316) [2024-11-09 07:39:23,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1618 transitions. [2024-11-09 07:39:23,887 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1618 transitions. Word has length 117 [2024-11-09 07:39:23,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:39:23,888 INFO L471 AbstractCegarLoop]: Abstraction has 1135 states and 1618 transitions. [2024-11-09 07:39:23,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 13 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2024-11-09 07:39:23,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1618 transitions. [2024-11-09 07:39:23,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 07:39:23,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:39:23,893 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:39:23,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 07:39:23,893 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:39:23,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:39:23,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1730165968, now seen corresponding path program 1 times [2024-11-09 07:39:23,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:39:23,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118794779] [2024-11-09 07:39:23,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:39:23,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:39:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:39:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 07:39:24,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:39:24,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118794779] [2024-11-09 07:39:24,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118794779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:39:24,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760418036] [2024-11-09 07:39:24,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:39:24,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:39:24,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:39:24,107 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:39:24,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f39d768-7f36-449b-b655-3c6151cb9564/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 07:39:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:39:24,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:39:24,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:39:24,623 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 07:39:24,624 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:39:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 07:39:24,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760418036] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:39:24,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2088010646] [2024-11-09 07:39:24,767 INFO L159 IcfgInterpreter]: Started Sifa with 111 locations of interest [2024-11-09 07:39:24,767 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:39:24,768 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:39:24,768 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:39:24,768 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:40:12,038 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 07:40:12,205 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 249 for LOIs [2024-11-09 07:40:15,498 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 223 for LOIs [2024-11-09 07:40:15,585 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 440 for LOIs [2024-11-09 07:40:16,988 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 247 for LOIs [2024-11-09 07:40:20,003 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Encrypt with input of size 252 for LOIs [2024-11-09 07:40:35,278 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 249 for LOIs [2024-11-09 07:40:36,667 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 249 for LOIs [2024-11-09 07:40:36,790 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 254 for LOIs [2024-11-09 07:40:37,575 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 240 for LOIs [2024-11-09 07:40:37,758 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailFrom with input of size 242 for LOIs [2024-11-09 07:40:37,871 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 226 for LOIs [2024-11-09 07:40:37,982 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 240 for LOIs [2024-11-09 07:40:38,134 INFO L197 IcfgInterpreter]: Interpreting procedure isSigned with input of size 240 for LOIs [2024-11-09 07:40:38,257 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 228 for LOIs [2024-11-09 07:40:38,353 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:41:02,103 WARN L286 SmtUtils]: Spent 7.41s on a formula simplification. DAG size of input: 440 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:41:13,478 WARN L286 SmtUtils]: Spent 10.90s on a formula simplification. DAG size of input: 464 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)