./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/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_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/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_d130ce51-5560-49a2-83ab-09fb43e8a4fc/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 4aad45d78970842948dd8f2d4a23b330a7c7a053ef8846b1af27e637f96c3ae7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:30:47,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:30:47,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:30:47,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:30:47,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:30:47,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:30:47,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:30:47,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:30:47,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:30:47,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:30:47,426 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:30:47,426 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:30:47,427 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:30:47,427 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:30:47,428 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:30:47,428 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:30:47,432 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:30:47,433 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:30:47,433 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:30:47,434 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:30:47,434 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:30:47,439 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:30:47,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:30:47,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:30:47,440 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:30:47,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:30:47,441 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:30:47,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:30:47,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:30:47,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:30:47,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:30:47,442 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:30:47,443 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:30:47,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:30:47,444 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:30:47,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:30:47,444 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:30:47,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:30:47,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:30:47,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:30:47,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:30:47,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:30:47,447 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:30:47,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:30:47,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:30:47,447 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:30:47,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:30:47,448 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_d130ce51-5560-49a2-83ab-09fb43e8a4fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aad45d78970842948dd8f2d4a23b330a7c7a053ef8846b1af27e637f96c3ae7 [2024-11-09 05:30:47,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:30:47,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:30:47,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:30:47,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:30:47,765 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:30:47,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec4_product25.cil.c Unable to find full path for "g++" [2024-11-09 05:30:50,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:30:50,411 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:30:50,412 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/sv-benchmarks/c/product-lines/email_spec4_product25.cil.c [2024-11-09 05:30:50,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/data/521ee834c/14bd5b959cea48b597f6cd4bb9546653/FLAG2c88a5270 [2024-11-09 05:30:50,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/data/521ee834c/14bd5b959cea48b597f6cd4bb9546653 [2024-11-09 05:30:50,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:30:50,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:30:50,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:30:50,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:30:50,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:30:50,485 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:30:50" (1/1) ... [2024-11-09 05:30:50,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1183435e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:50, skipping insertion in model container [2024-11-09 05:30:50,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:30:50" (1/1) ... [2024-11-09 05:30:50,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:30:51,346 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_d130ce51-5560-49a2-83ab-09fb43e8a4fc/sv-benchmarks/c/product-lines/email_spec4_product25.cil.c[63576,63589] [2024-11-09 05:30:51,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:30:51,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:30:51,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-11-09 05:30:51,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [66] [2024-11-09 05:30:51,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [432] [2024-11-09 05:30:51,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [550] [2024-11-09 05:30:51,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [900] [2024-11-09 05:30:51,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1301] [2024-11-09 05:30:51,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [1613] [2024-11-09 05:30:51,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1641] [2024-11-09 05:30:51,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1860] [2024-11-09 05:30:51,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1895] [2024-11-09 05:30:51,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2957] [2024-11-09 05:30:51,521 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_d130ce51-5560-49a2-83ab-09fb43e8a4fc/sv-benchmarks/c/product-lines/email_spec4_product25.cil.c[63576,63589] [2024-11-09 05:30:51,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:30:51,568 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:30:51,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:51 WrapperNode [2024-11-09 05:30:51,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:30:51,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:30:51,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:30:51,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:30:51,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:51" (1/1) ... [2024-11-09 05:30:51,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:51" (1/1) ... [2024-11-09 05:30:51,691 INFO L138 Inliner]: procedures = 130, calls = 200, calls flagged for inlining = 60, calls inlined = 57, statements flattened = 1065 [2024-11-09 05:30:51,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:30:51,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:30:51,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:30:51,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:30:51,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:51" (1/1) ... [2024-11-09 05:30:51,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:51" (1/1) ... [2024-11-09 05:30:51,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:51" (1/1) ... [2024-11-09 05:30:51,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:51" (1/1) ... [2024-11-09 05:30:51,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:51" (1/1) ... [2024-11-09 05:30:51,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:51" (1/1) ... [2024-11-09 05:30:51,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:51" (1/1) ... [2024-11-09 05:30:51,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:51" (1/1) ... [2024-11-09 05:30:51,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:30:51,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:30:51,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:30:51,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:30:51,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:51" (1/1) ... [2024-11-09 05:30:51,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:30:51,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:30:51,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:30:51,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:30:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 05:30:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 05:30:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 05:30:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 05:30:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 05:30:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 05:30:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2024-11-09 05:30:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2024-11-09 05:30:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 05:30:51,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 05:30:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 05:30:51,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 05:30:51,968 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 05:30:51,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 05:30:51,970 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 05:30:51,971 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 05:30:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 05:30:51,972 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 05:30:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 05:30:51,972 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 05:30:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 05:30:51,972 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 05:30:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 05:30:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 05:30:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:30:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 05:30:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 05:30:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 05:30:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 05:30:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 05:30:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 05:30:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 05:30:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 05:30:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 05:30:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 05:30:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 05:30:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 05:30:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 05:30:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 05:30:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 05:30:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 05:30:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:30:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 05:30:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 05:30:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 05:30:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 05:30:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:30:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:30:52,310 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:30:52,313 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:30:53,750 INFO L? ?]: Removed 541 outVars from TransFormulas that were not future-live. [2024-11-09 05:30:53,750 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:30:54,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:30:54,817 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:30:54,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:30:54 BoogieIcfgContainer [2024-11-09 05:30:54,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:30:54,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:30:54,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:30:54,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:30:54,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:30:50" (1/3) ... [2024-11-09 05:30:54,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c832561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:30:54, skipping insertion in model container [2024-11-09 05:30:54,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:51" (2/3) ... [2024-11-09 05:30:54,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c832561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:30:54, skipping insertion in model container [2024-11-09 05:30:54,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:30:54" (3/3) ... [2024-11-09 05:30:54,831 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product25.cil.c [2024-11-09 05:30:54,857 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:30:54,857 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:30:54,963 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:30:54,972 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;@64c789a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:30:54,976 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:30:54,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 107 states have (on average 1.3177570093457944) internal successors, (141), 110 states have internal predecessors, (141), 56 states have call successors, (56), 22 states have call predecessors, (56), 22 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-09 05:30:55,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 05:30:55,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:30:55,005 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 05:30:55,006 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:30:55,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:30:55,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1524093806, now seen corresponding path program 1 times [2024-11-09 05:30:55,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:30:55,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825328438] [2024-11-09 05:30:55,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:30:55,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:30:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:30:55,574 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:30:55,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:30:55,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825328438] [2024-11-09 05:30:55,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825328438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:30:55,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:30:55,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:30:55,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382204056] [2024-11-09 05:30:55,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:30:55,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:30:55,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:30:55,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:30:55,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:30:55,623 INFO L87 Difference]: Start difference. First operand has 187 states, 107 states have (on average 1.3177570093457944) internal successors, (141), 110 states have internal predecessors, (141), 56 states have call successors, (56), 22 states have call predecessors, (56), 22 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:30:55,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:30:55,790 INFO L93 Difference]: Finished difference Result 282 states and 377 transitions. [2024-11-09 05:30:55,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:30:55,797 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 65 [2024-11-09 05:30:55,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:30:55,818 INFO L225 Difference]: With dead ends: 282 [2024-11-09 05:30:55,819 INFO L226 Difference]: Without dead ends: 184 [2024-11-09 05:30:55,826 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 05:30:55,834 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:30:55,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 212 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:30:55,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-09 05:30:55,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-09 05:30:55,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 107 states have internal predecessors, (135), 56 states have call successors, (56), 22 states have call predecessors, (56), 22 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 05:30:55,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 246 transitions. [2024-11-09 05:30:55,924 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 246 transitions. Word has length 65 [2024-11-09 05:30:55,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:30:55,926 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 246 transitions. [2024-11-09 05:30:55,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:30:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 246 transitions. [2024-11-09 05:30:55,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 05:30:55,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:30:55,931 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 05:30:55,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:30:55,932 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:30:55,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:30:55,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1964692813, now seen corresponding path program 1 times [2024-11-09 05:30:55,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:30:55,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638407426] [2024-11-09 05:30:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:30:55,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:30:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:30:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:30:56,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:30:56,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638407426] [2024-11-09 05:30:56,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638407426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:30:56,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:30:56,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:30:56,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214842533] [2024-11-09 05:30:56,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:30:56,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:30:56,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:30:56,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:30:56,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:30:56,278 INFO L87 Difference]: Start difference. First operand 184 states and 246 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:30:56,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:30:56,458 INFO L93 Difference]: Finished difference Result 278 states and 362 transitions. [2024-11-09 05:30:56,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:30:56,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 66 [2024-11-09 05:30:56,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:30:56,463 INFO L225 Difference]: With dead ends: 278 [2024-11-09 05:30:56,463 INFO L226 Difference]: Without dead ends: 186 [2024-11-09 05:30:56,465 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 05:30:56,467 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 0 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:30:56,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 417 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:30:56,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-09 05:30:56,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2024-11-09 05:30:56,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 107 states have (on average 1.280373831775701) internal successors, (137), 109 states have internal predecessors, (137), 56 states have call successors, (56), 22 states have call predecessors, (56), 22 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 05:30:56,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 248 transitions. [2024-11-09 05:30:56,519 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 248 transitions. Word has length 66 [2024-11-09 05:30:56,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:30:56,521 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 248 transitions. [2024-11-09 05:30:56,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:30:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 248 transitions. [2024-11-09 05:30:56,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 05:30:56,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:30:56,531 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:30:56,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:30:56,532 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:30:56,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:30:56,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1321409827, now seen corresponding path program 1 times [2024-11-09 05:30:56,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:30:56,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148782528] [2024-11-09 05:30:56,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:30:56,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:30:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:30:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:30:56,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:30:56,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148782528] [2024-11-09 05:30:56,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148782528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:30:56,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:30:56,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:30:56,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457561404] [2024-11-09 05:30:56,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:30:56,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:30:56,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:30:56,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:30:56,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:30:56,762 INFO L87 Difference]: Start difference. First operand 186 states and 248 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:30:56,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:30:56,922 INFO L93 Difference]: Finished difference Result 407 states and 563 transitions. [2024-11-09 05:30:56,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:30:56,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 71 [2024-11-09 05:30:56,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:30:56,926 INFO L225 Difference]: With dead ends: 407 [2024-11-09 05:30:56,926 INFO L226 Difference]: Without dead ends: 239 [2024-11-09 05:30:56,927 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 05:30:56,929 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 59 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:30:56,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 417 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:30:56,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-09 05:30:56,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 234. [2024-11-09 05:30:56,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 141 states have (on average 1.3617021276595744) internal successors, (192), 143 states have internal predecessors, (192), 70 states have call successors, (70), 22 states have call predecessors, (70), 22 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-09 05:30:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 331 transitions. [2024-11-09 05:30:56,953 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 331 transitions. Word has length 71 [2024-11-09 05:30:56,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:30:56,954 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 331 transitions. [2024-11-09 05:30:56,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:30:56,954 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 331 transitions. [2024-11-09 05:30:56,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 05:30:56,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:30:56,958 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:30:56,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:30:56,959 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:30:56,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:30:56,959 INFO L85 PathProgramCache]: Analyzing trace with hash 546948637, now seen corresponding path program 1 times [2024-11-09 05:30:56,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:30:56,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109674338] [2024-11-09 05:30:56,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:30:56,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:30:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:30:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:30:57,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:30:57,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109674338] [2024-11-09 05:30:57,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109674338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:30:57,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478973908] [2024-11-09 05:30:57,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:30:57,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:30:57,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:30:57,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:30:57,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:30:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:30:57,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:30:57,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:30:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:30:57,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:30:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:30:58,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478973908] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:30:58,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1663167491] [2024-11-09 05:30:58,072 INFO L159 IcfgInterpreter]: Started Sifa with 59 locations of interest [2024-11-09 05:30:58,073 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:30:58,077 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:30:58,084 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:30:58,087 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:31:33,848 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:31:33,999 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 05:31:34,126 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:32:38,587 WARN L286 SmtUtils]: Spent 11.92s on a formula simplification. DAG size of input: 446 DAG size of output: 446 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:32:53,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1663167491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:32:53,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:32:53,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 05:32:53,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500216037] [2024-11-09 05:32:53,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:32:53,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 05:32:53,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:32:53,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 05:32:53,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:32:53,588 INFO L87 Difference]: Start difference. First operand 234 states and 331 transitions. Second operand has 23 states, 15 states have (on average 2.4) internal successors, (36), 14 states have internal predecessors, (36), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 05:33:03,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:03,384 INFO L93 Difference]: Finished difference Result 483 states and 700 transitions. [2024-11-09 05:33:03,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 05:33:03,385 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.4) internal successors, (36), 14 states have internal predecessors, (36), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 72 [2024-11-09 05:33:03,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:03,388 INFO L225 Difference]: With dead ends: 483 [2024-11-09 05:33:03,388 INFO L226 Difference]: Without dead ends: 267 [2024-11-09 05:33:03,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 79.5s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:33:03,391 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 26 mSDsluCounter, 2857 mSDsCounter, 0 mSdLazyCounter, 1942 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3046 SdHoareTripleChecker+Invalid, 1951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:03,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3046 Invalid, 1951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1942 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-11-09 05:33:03,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-09 05:33:03,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 257. [2024-11-09 05:33:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 163 states have (on average 1.3803680981595092) internal successors, (225), 165 states have internal predecessors, (225), 70 states have call successors, (70), 23 states have call predecessors, (70), 23 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-09 05:33:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 364 transitions. [2024-11-09 05:33:03,496 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 364 transitions. Word has length 72 [2024-11-09 05:33:03,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:03,497 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 364 transitions. [2024-11-09 05:33:03,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.4) internal successors, (36), 14 states have internal predecessors, (36), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 05:33:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 364 transitions. [2024-11-09 05:33:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 05:33:03,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:03,501 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:33:03,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:33:03,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-09 05:33:03,703 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:33:03,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:03,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1373953007, now seen corresponding path program 1 times [2024-11-09 05:33:03,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:03,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565762073] [2024-11-09 05:33:03,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:03,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:03,874 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:33:03,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:03,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565762073] [2024-11-09 05:33:03,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565762073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:03,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:33:03,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:33:03,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473702608] [2024-11-09 05:33:03,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:03,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:33:03,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:03,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:33:03,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:33:03,883 INFO L87 Difference]: Start difference. First operand 257 states and 364 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:33:04,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:04,183 INFO L93 Difference]: Finished difference Result 617 states and 908 transitions. [2024-11-09 05:33:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:33:04,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 77 [2024-11-09 05:33:04,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:04,190 INFO L225 Difference]: With dead ends: 617 [2024-11-09 05:33:04,191 INFO L226 Difference]: Without dead ends: 384 [2024-11-09 05:33:04,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:33:04,194 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 57 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:04,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 429 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:33:04,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-09 05:33:04,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 379. [2024-11-09 05:33:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 254 states have (on average 1.437007874015748) internal successors, (365), 256 states have internal predecessors, (365), 101 states have call successors, (101), 23 states have call predecessors, (101), 23 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-09 05:33:04,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 566 transitions. [2024-11-09 05:33:04,363 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 566 transitions. Word has length 77 [2024-11-09 05:33:04,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:04,363 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 566 transitions. [2024-11-09 05:33:04,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:33:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 566 transitions. [2024-11-09 05:33:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 05:33:04,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:04,368 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:33:04,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:33:04,368 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:33:04,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:04,369 INFO L85 PathProgramCache]: Analyzing trace with hash 148649550, now seen corresponding path program 1 times [2024-11-09 05:33:04,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:04,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527150327] [2024-11-09 05:33:04,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:04,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:33:04,561 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:04,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527150327] [2024-11-09 05:33:04,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527150327] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:04,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978217530] [2024-11-09 05:33:04,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:04,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:04,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:04,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:04,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:33:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:05,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:33:05,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:33:05,089 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:33:05,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978217530] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:33:05,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [987329533] [2024-11-09 05:33:05,210 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2024-11-09 05:33:05,210 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:33:05,211 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:33:05,211 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:33:05,211 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:33:48,394 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:33:48,524 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 431 for LOIs [2024-11-09 05:33:49,786 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:34:18,228 WARN L286 SmtUtils]: Spent 8.83s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:34:31,136 WARN L286 SmtUtils]: Spent 12.43s on a formula simplification. DAG size of input: 455 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:35:16,119 WARN L286 SmtUtils]: Spent 11.31s on a formula simplification. DAG size of input: 448 DAG size of output: 448 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:35:44,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [987329533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:44,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:35:44,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 05:35:44,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531537681] [2024-11-09 05:35:44,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:44,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:35:44,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:44,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:35:44,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:35:44,141 INFO L87 Difference]: Start difference. First operand 379 states and 566 transitions. Second operand has 26 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 16 states have internal predecessors, (39), 8 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-09 05:35:57,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:57,123 INFO L93 Difference]: Finished difference Result 768 states and 1175 transitions. [2024-11-09 05:35:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 05:35:57,124 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 16 states have internal predecessors, (39), 8 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 78 [2024-11-09 05:35:57,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:57,130 INFO L225 Difference]: With dead ends: 768 [2024-11-09 05:35:57,131 INFO L226 Difference]: Without dead ends: 452 [2024-11-09 05:35:57,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 114.3s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:35:57,135 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 64 mSDsluCounter, 2613 mSDsCounter, 0 mSdLazyCounter, 2277 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 2802 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:57,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 2802 Invalid, 2285 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2277 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2024-11-09 05:35:57,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-09 05:35:57,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 393. [2024-11-09 05:35:57,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 266 states have (on average 1.4360902255639099) internal successors, (382), 268 states have internal predecessors, (382), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (101), 100 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-09 05:35:57,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 585 transitions. [2024-11-09 05:35:57,281 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 585 transitions. Word has length 78 [2024-11-09 05:35:57,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:57,282 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 585 transitions. [2024-11-09 05:35:57,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 16 states have internal predecessors, (39), 8 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-09 05:35:57,282 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 585 transitions. [2024-11-09 05:35:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 05:35:57,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:57,286 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:57,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:35:57,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 05:35:57,488 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:35:57,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:57,490 INFO L85 PathProgramCache]: Analyzing trace with hash 808198746, now seen corresponding path program 1 times [2024-11-09 05:35:57,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:57,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331079494] [2024-11-09 05:35:57,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:57,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:35:57,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:57,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331079494] [2024-11-09 05:35:57,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331079494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:57,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68843253] [2024-11-09 05:35:57,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:57,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:57,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:57,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:57,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:35:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:58,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:35:58,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:35:58,201 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:35:58,301 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:35:58,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68843253] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:35:58,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1561746949] [2024-11-09 05:35:58,306 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2024-11-09 05:35:58,306 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:35:58,307 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:35:58,307 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:35:58,307 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:37:03,058 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:37:03,197 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 477 for LOIs [2024-11-09 05:37:04,133 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 486 for LOIs [2024-11-09 05:37:05,241 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 422 for LOIs [2024-11-09 05:37:05,651 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 05:37:05,777 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:38:14,954 WARN L286 SmtUtils]: Spent 14.83s on a formula simplification. DAG size of input: 506 DAG size of output: 501 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:38:38,215 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 487 DAG size of output: 487 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:38:44,946 WARN L286 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 492 DAG size of output: 488 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:38:52,052 WARN L286 SmtUtils]: Spent 6.52s 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 05:38:59,198 WARN L286 SmtUtils]: Spent 6.46s 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 05:39:05,604 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 482 DAG size of output: 478 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:39:12,195 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 477 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:39:18,529 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 477 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:39:25,274 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 473 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:39:25,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1561746949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:25,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:39:25,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 05:39:25,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239569254] [2024-11-09 05:39:25,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:25,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:39:25,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:39:25,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:39:25,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1288, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 05:39:25,284 INFO L87 Difference]: Start difference. First operand 393 states and 585 transitions. Second operand has 33 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 10 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2024-11-09 05:39:36,853 WARN L286 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 509 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:39:50,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:50,785 INFO L93 Difference]: Finished difference Result 801 states and 1222 transitions. [2024-11-09 05:39:50,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-09 05:39:50,786 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 10 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) Word has length 81 [2024-11-09 05:39:50,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:50,790 INFO L225 Difference]: With dead ends: 801 [2024-11-09 05:39:50,791 INFO L226 Difference]: Without dead ends: 485 [2024-11-09 05:39:50,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 145.2s TimeCoverageRelationStatistics Valid=125, Invalid=1357, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 05:39:50,794 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 30 mSDsluCounter, 3116 mSDsCounter, 0 mSdLazyCounter, 3131 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 3305 SdHoareTripleChecker+Invalid, 3141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:50,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 3305 Invalid, 3141 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 3131 Invalid, 0 Unknown, 0 Unchecked, 19.4s Time] [2024-11-09 05:39:50,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-09 05:39:50,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 429. [2024-11-09 05:39:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 296 states have (on average 1.4324324324324325) internal successors, (424), 298 states have internal predecessors, (424), 105 states have call successors, (105), 27 states have call predecessors, (105), 27 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-09 05:39:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 633 transitions. [2024-11-09 05:39:50,977 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 633 transitions. Word has length 81 [2024-11-09 05:39:50,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:50,977 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 633 transitions. [2024-11-09 05:39:50,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 10 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2024-11-09 05:39:50,978 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 633 transitions. [2024-11-09 05:39:50,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 05:39:50,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:50,982 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:51,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 05:39:51,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-09 05:39:51,183 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:39:51,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:51,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1132537684, now seen corresponding path program 1 times [2024-11-09 05:39:51,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:39:51,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503960154] [2024-11-09 05:39:51,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:51,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:39:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:51,355 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:39:51,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:39:51,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503960154] [2024-11-09 05:39:51,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503960154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:39:51,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371044458] [2024-11-09 05:39:51,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:51,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:39:51,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:39:51,359 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:39:51,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:39:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:51,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:39:51,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:39:51,933 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:52,051 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:39:52,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371044458] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:52,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [74014853] [2024-11-09 05:39:52,057 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-09 05:39:52,057 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:39:52,058 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:39:52,058 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:39:52,059 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:40:37,072 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:40:37,198 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 05:40:37,321 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:41:45,454 WARN L286 SmtUtils]: Spent 13.00s on a formula simplification. DAG size of input: 447 DAG size of output: 447 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:42:22,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [74014853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:22,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:42:22,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 05:42:22,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605706440] [2024-11-09 05:42:22,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:22,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 05:42:22,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:22,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 05:42:22,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:42:22,218 INFO L87 Difference]: Start difference. First operand 429 states and 633 transitions. Second operand has 27 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 05:42:32,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:32,229 INFO L93 Difference]: Finished difference Result 794 states and 1199 transitions. [2024-11-09 05:42:32,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 05:42:32,230 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 80 [2024-11-09 05:42:32,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:32,235 INFO L225 Difference]: With dead ends: 794 [2024-11-09 05:42:32,235 INFO L226 Difference]: Without dead ends: 478 [2024-11-09 05:42:32,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 104.9s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:42:32,238 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 18 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 1962 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2709 SdHoareTripleChecker+Invalid, 1970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:32,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2709 Invalid, 1970 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 1962 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-11-09 05:42:32,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-09 05:42:32,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 449. [2024-11-09 05:42:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 316 states have (on average 1.4367088607594938) internal successors, (454), 318 states have internal predecessors, (454), 105 states have call successors, (105), 27 states have call predecessors, (105), 27 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-09 05:42:32,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 663 transitions. [2024-11-09 05:42:32,432 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 663 transitions. Word has length 80 [2024-11-09 05:42:32,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:32,433 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 663 transitions. [2024-11-09 05:42:32,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 05:42:32,434 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 663 transitions. [2024-11-09 05:42:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 05:42:32,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:32,437 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] [2024-11-09 05:42:32,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:42:32,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 05:42:32,638 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:42:32,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:32,639 INFO L85 PathProgramCache]: Analyzing trace with hash -23715225, now seen corresponding path program 1 times [2024-11-09 05:42:32,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:32,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824838961] [2024-11-09 05:42:32,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:32,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:34,510 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 05:42:34,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:34,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824838961] [2024-11-09 05:42:34,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824838961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:34,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:34,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-09 05:42:34,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400587008] [2024-11-09 05:42:34,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:34,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 05:42:34,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:34,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 05:42:34,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2024-11-09 05:42:34,524 INFO L87 Difference]: Start difference. First operand 449 states and 663 transitions. Second operand has 21 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 8 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 05:42:36,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:36,841 INFO L93 Difference]: Finished difference Result 515 states and 755 transitions. [2024-11-09 05:42:36,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 05:42:36,842 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 8 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 83 [2024-11-09 05:42:36,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:36,847 INFO L225 Difference]: With dead ends: 515 [2024-11-09 05:42:36,847 INFO L226 Difference]: Without dead ends: 512 [2024-11-09 05:42:36,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=147, Invalid=1043, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:42:36,849 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 163 mSDsluCounter, 1803 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1988 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:36,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 1988 Invalid, 2127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 05:42:36,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-09 05:42:37,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 511. [2024-11-09 05:42:37,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 350 states have (on average 1.4114285714285715) internal successors, (494), 353 states have internal predecessors, (494), 129 states have call successors, (129), 32 states have call predecessors, (129), 31 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-09 05:42:37,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 749 transitions. [2024-11-09 05:42:37,155 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 749 transitions. Word has length 83 [2024-11-09 05:42:37,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:37,156 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 749 transitions. [2024-11-09 05:42:37,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 8 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 05:42:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 749 transitions. [2024-11-09 05:42:37,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 05:42:37,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:37,162 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:37,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:42:37,163 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:42:37,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:37,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1610284518, now seen corresponding path program 1 times [2024-11-09 05:42:37,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:37,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520711245] [2024-11-09 05:42:37,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:37,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 05:42:37,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:37,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520711245] [2024-11-09 05:42:37,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520711245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:42:37,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100159166] [2024-11-09 05:42:37,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:37,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:42:37,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:42:37,482 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:42:37,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d130ce51-5560-49a2-83ab-09fb43e8a4fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:42:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:38,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:42:38,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:42:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-09 05:42:38,166 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:42:38,454 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 05:42:38,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100159166] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:42:38,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1248292038] [2024-11-09 05:42:38,459 INFO L159 IcfgInterpreter]: Started Sifa with 84 locations of interest [2024-11-09 05:42:38,459 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:42:38,460 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:42:38,460 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:42:38,461 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:43:25,671 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:43:25,817 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 247 for LOIs [2024-11-09 05:43:29,207 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 223 for LOIs [2024-11-09 05:43:29,318 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 431 for LOIs [2024-11-09 05:43:30,728 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 245 for LOIs [2024-11-09 05:43:34,595 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 228 for LOIs [2024-11-09 05:43:34,732 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Keys with input of size 255 for LOIs [2024-11-09 05:43:43,244 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 226 for LOIs [2024-11-09 05:43:43,333 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 241 for LOIs [2024-11-09 05:43:44,163 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 226 for LOIs [2024-11-09 05:43:44,267 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 234 for LOIs [2024-11-09 05:43:44,394 INFO L197 IcfgInterpreter]: Interpreting procedure isSigned with input of size 250 for LOIs [2024-11-09 05:43:44,559 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:44:11,868 WARN L286 SmtUtils]: Spent 8.61s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:44:24,787 WARN L286 SmtUtils]: Spent 12.23s on a formula simplification. DAG size of input: 455 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)