./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_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_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/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_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/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_16e242ad-ebca-4052-ada6-b4123891950a/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 be72096c105f582e8528565b95ebbdcff5f4be75e7838295d3ddf5b4552aba69 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:02:19,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:02:19,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:02:19,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:02:19,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:02:19,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:02:19,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:02:19,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:02:19,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:02:19,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:02:19,271 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:02:19,271 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:02:19,272 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:02:19,273 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:02:19,273 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:02:19,277 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:02:19,278 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:02:19,279 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:02:19,279 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:02:19,279 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:02:19,280 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:02:19,283 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:02:19,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:02:19,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:02:19,285 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:02:19,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:02:19,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:02:19,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:02:19,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:02:19,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:02:19,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:02:19,289 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:02:19,289 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:02:19,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:02:19,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:02:19,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:02:19,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:02:19,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:02:19,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:02:19,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:02:19,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:02:19,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:02:19,294 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:02:19,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:02:19,296 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:02:19,296 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:02:19,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:02:19,297 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_16e242ad-ebca-4052-ada6-b4123891950a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be72096c105f582e8528565b95ebbdcff5f4be75e7838295d3ddf5b4552aba69 [2024-11-09 05:02:19,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:02:19,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:02:19,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:02:19,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:02:19,678 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:02:19,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec0_product25.cil.c Unable to find full path for "g++" [2024-11-09 05:02:22,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:02:22,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:02:22,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/sv-benchmarks/c/product-lines/email_spec0_product25.cil.c [2024-11-09 05:02:22,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/data/407f24792/969547fe42eb4dd09eb09cfdfbb43550/FLAG6be0db4d1 [2024-11-09 05:02:22,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/data/407f24792/969547fe42eb4dd09eb09cfdfbb43550 [2024-11-09 05:02:22,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:02:22,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:02:22,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:02:22,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:02:22,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:02:22,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:02:22" (1/1) ... [2024-11-09 05:02:22,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d22069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:22, skipping insertion in model container [2024-11-09 05:02:22,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:02:22" (1/1) ... [2024-11-09 05:02:22,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:02:23,436 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_16e242ad-ebca-4052-ada6-b4123891950a/sv-benchmarks/c/product-lines/email_spec0_product25.cil.c[43418,43431] [2024-11-09 05:02:23,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:02:23,638 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:02:23,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2024-11-09 05:02:23,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [416] [2024-11-09 05:02:23,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1488] [2024-11-09 05:02:23,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1790] [2024-11-09 05:02:23,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1810] [2024-11-09 05:02:23,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2029] [2024-11-09 05:02:23,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2038] [2024-11-09 05:02:23,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2136] [2024-11-09 05:02:23,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2502] [2024-11-09 05:02:23,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2537] [2024-11-09 05:02:23,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2938] [2024-11-09 05:02:23,789 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_16e242ad-ebca-4052-ada6-b4123891950a/sv-benchmarks/c/product-lines/email_spec0_product25.cil.c[43418,43431] [2024-11-09 05:02:23,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:02:23,885 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:02:23,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:23 WrapperNode [2024-11-09 05:02:23,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:02:23,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:02:23,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:02:23,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:02:23,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:23" (1/1) ... [2024-11-09 05:02:23,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:23" (1/1) ... [2024-11-09 05:02:24,059 INFO L138 Inliner]: procedures = 130, calls = 199, calls flagged for inlining = 61, calls inlined = 58, statements flattened = 1078 [2024-11-09 05:02:24,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:02:24,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:02:24,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:02:24,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:02:24,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:23" (1/1) ... [2024-11-09 05:02:24,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:23" (1/1) ... [2024-11-09 05:02:24,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:23" (1/1) ... [2024-11-09 05:02:24,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:23" (1/1) ... [2024-11-09 05:02:24,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:23" (1/1) ... [2024-11-09 05:02:24,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:23" (1/1) ... [2024-11-09 05:02:24,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:23" (1/1) ... [2024-11-09 05:02:24,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:23" (1/1) ... [2024-11-09 05:02:24,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:02:24,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:02:24,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:02:24,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:02:24,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:23" (1/1) ... [2024-11-09 05:02:24,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:02:24,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:02:24,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:02:24,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:02:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 05:02:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 05:02:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 05:02:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 05:02:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2024-11-09 05:02:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2024-11-09 05:02:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 05:02:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 05:02:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 05:02:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 05:02:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 05:02:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 05:02:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 05:02:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 05:02:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 05:02:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 05:02:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 05:02:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 05:02:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 05:02:24,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 05:02:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 05:02:24,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 05:02:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:02:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 05:02:24,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 05:02:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 05:02:24,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 05:02:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 05:02:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 05:02:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 05:02:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 05:02:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 05:02:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 05:02:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 05:02:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 05:02:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 05:02:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 05:02:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 05:02:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 05:02:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:02:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 05:02:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 05:02:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 05:02:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 05:02:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:02:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:02:24,649 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:02:24,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:02:26,070 INFO L? ?]: Removed 540 outVars from TransFormulas that were not future-live. [2024-11-09 05:02:26,071 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:02:27,138 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:02:27,139 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:02:27,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:02:27 BoogieIcfgContainer [2024-11-09 05:02:27,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:02:27,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:02:27,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:02:27,146 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:02:27,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:02:22" (1/3) ... [2024-11-09 05:02:27,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b00d1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:02:27, skipping insertion in model container [2024-11-09 05:02:27,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:23" (2/3) ... [2024-11-09 05:02:27,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b00d1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:02:27, skipping insertion in model container [2024-11-09 05:02:27,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:02:27" (3/3) ... [2024-11-09 05:02:27,149 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product25.cil.c [2024-11-09 05:02:27,174 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:02:27,174 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:02:27,293 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:02:27,307 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;@10c3fb42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:02:27,308 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:02:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 103 states have (on average 1.3203883495145632) internal successors, (136), 106 states have internal predecessors, (136), 54 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-09 05:02:27,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 05:02:27,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:27,338 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 05:02:27,339 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:02:27,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:27,347 INFO L85 PathProgramCache]: Analyzing trace with hash 807478527, now seen corresponding path program 1 times [2024-11-09 05:02:27,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:02:27,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399159299] [2024-11-09 05:02:27,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:27,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:02:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:27,879 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:02:27,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:02:27,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399159299] [2024-11-09 05:02:27,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399159299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:27,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:02:27,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:02:27,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036180655] [2024-11-09 05:02:27,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:27,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:02:27,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:02:27,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:02:27,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:02:27,934 INFO L87 Difference]: Start difference. First operand has 180 states, 103 states have (on average 1.3203883495145632) internal successors, (136), 106 states have internal predecessors, (136), 54 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 05:02:28,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:28,146 INFO L93 Difference]: Finished difference Result 268 states and 359 transitions. [2024-11-09 05:02:28,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:02:28,149 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 71 [2024-11-09 05:02:28,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:28,170 INFO L225 Difference]: With dead ends: 268 [2024-11-09 05:02:28,171 INFO L226 Difference]: Without dead ends: 177 [2024-11-09 05:02:28,177 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 05:02:28,184 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:28,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 204 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:02:28,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-09 05:02:28,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-09 05:02:28,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 103 states have internal predecessors, (130), 54 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 05:02:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 237 transitions. [2024-11-09 05:02:28,278 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 237 transitions. Word has length 71 [2024-11-09 05:02:28,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:28,283 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 237 transitions. [2024-11-09 05:02:28,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 05:02:28,284 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 237 transitions. [2024-11-09 05:02:28,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 05:02:28,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:28,294 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 05:02:28,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:02:28,295 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:02:28,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:28,296 INFO L85 PathProgramCache]: Analyzing trace with hash 445312269, now seen corresponding path program 1 times [2024-11-09 05:02:28,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:02:28,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016592066] [2024-11-09 05:02:28,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:28,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:02:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:02:28,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:02:28,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016592066] [2024-11-09 05:02:28,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016592066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:28,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:02:28,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:02:28,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123664436] [2024-11-09 05:02:28,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:28,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:02:28,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:02:28,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:02:28,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:02:28,796 INFO L87 Difference]: Start difference. First operand 177 states and 237 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 05:02:29,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:29,021 INFO L93 Difference]: Finished difference Result 264 states and 344 transitions. [2024-11-09 05:02:29,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:02:29,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 72 [2024-11-09 05:02:29,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:29,029 INFO L225 Difference]: With dead ends: 264 [2024-11-09 05:02:29,029 INFO L226 Difference]: Without dead ends: 179 [2024-11-09 05:02:29,033 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 05:02:29,035 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 0 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:29,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 401 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:02:29,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-09 05:02:29,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-09 05:02:29,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 103 states have (on average 1.2815533980582525) internal successors, (132), 105 states have internal predecessors, (132), 54 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 05:02:29,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 239 transitions. [2024-11-09 05:02:29,080 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 239 transitions. Word has length 72 [2024-11-09 05:02:29,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:29,081 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 239 transitions. [2024-11-09 05:02:29,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 05:02:29,081 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 239 transitions. [2024-11-09 05:02:29,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 05:02:29,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:29,085 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:02:29,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:02:29,086 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:02:29,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:29,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1960680369, now seen corresponding path program 1 times [2024-11-09 05:02:29,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:02:29,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950272453] [2024-11-09 05:02:29,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:29,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:02:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:29,318 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:02:29,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:02:29,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950272453] [2024-11-09 05:02:29,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950272453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:29,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:02:29,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:02:29,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550120135] [2024-11-09 05:02:29,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:29,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:02:29,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:02:29,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:02:29,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:02:29,325 INFO L87 Difference]: Start difference. First operand 179 states and 239 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 05:02:29,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:29,568 INFO L93 Difference]: Finished difference Result 393 states and 545 transitions. [2024-11-09 05:02:29,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:02:29,569 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 05:02:29,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:29,573 INFO L225 Difference]: With dead ends: 393 [2024-11-09 05:02:29,577 INFO L226 Difference]: Without dead ends: 232 [2024-11-09 05:02:29,579 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 05:02:29,580 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 59 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:29,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 413 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:02:29,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-09 05:02:29,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 227. [2024-11-09 05:02:29,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 137 states have (on average 1.364963503649635) internal successors, (187), 139 states have internal predecessors, (187), 68 states have call successors, (68), 21 states have call predecessors, (68), 21 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-09 05:02:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 322 transitions. [2024-11-09 05:02:29,627 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 322 transitions. Word has length 77 [2024-11-09 05:02:29,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:29,629 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 322 transitions. [2024-11-09 05:02:29,630 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 05:02:29,630 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 322 transitions. [2024-11-09 05:02:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 05:02:29,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:29,638 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:02:29,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:02:29,638 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:02:29,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:29,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1976360820, now seen corresponding path program 1 times [2024-11-09 05:02:29,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:02:29,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016163558] [2024-11-09 05:02:29,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:29,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:02:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:30,039 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:02:30,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:02:30,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016163558] [2024-11-09 05:02:30,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016163558] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:02:30,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402211583] [2024-11-09 05:02:30,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:30,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:02:30,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:02:30,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:02:30,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:02:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:30,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:02:30,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:02:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:02:30,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:02:30,802 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:02:30,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402211583] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:02:30,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [301619372] [2024-11-09 05:02:30,835 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2024-11-09 05:02:30,835 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:02:30,840 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:02:30,848 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:02:30,852 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:03:13,546 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:03:13,842 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-09 05:03:14,209 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:04:24,219 WARN L286 SmtUtils]: Spent 12.29s on a formula simplification. DAG size of input: 450 DAG size of output: 450 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:04:38,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [301619372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:38,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:04:38,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 05:04:38,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832577620] [2024-11-09 05:04:38,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:38,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 05:04:38,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:04:38,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 05:04:38,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:04:38,361 INFO L87 Difference]: Start difference. First operand 227 states and 322 transitions. Second operand has 23 states, 15 states have (on average 2.6) internal successors, (39), 14 states have internal predecessors, (39), 7 states have call successors, (17), 3 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 05:04:51,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:51,105 INFO L93 Difference]: Finished difference Result 469 states and 682 transitions. [2024-11-09 05:04:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 05:04:51,106 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.6) internal successors, (39), 14 states have internal predecessors, (39), 7 states have call successors, (17), 3 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 78 [2024-11-09 05:04:51,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:51,109 INFO L225 Difference]: With dead ends: 469 [2024-11-09 05:04:51,110 INFO L226 Difference]: Without dead ends: 260 [2024-11-09 05:04:51,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 87.6s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2024-11-09 05:04:51,113 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 26 mSDsluCounter, 2300 mSDsCounter, 0 mSdLazyCounter, 1816 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2479 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:51,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2479 Invalid, 1826 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 1816 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2024-11-09 05:04:51,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-09 05:04:51,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 250. [2024-11-09 05:04:51,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 159 states have (on average 1.3836477987421383) internal successors, (220), 161 states have internal predecessors, (220), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-09 05:04:51,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 355 transitions. [2024-11-09 05:04:51,193 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 355 transitions. Word has length 78 [2024-11-09 05:04:51,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:51,194 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 355 transitions. [2024-11-09 05:04:51,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.6) internal successors, (39), 14 states have internal predecessors, (39), 7 states have call successors, (17), 3 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 05:04:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 355 transitions. [2024-11-09 05:04:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 05:04:51,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:51,198 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:04:51,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:04:51,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:04:51,402 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:04:51,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:51,403 INFO L85 PathProgramCache]: Analyzing trace with hash -198454538, now seen corresponding path program 1 times [2024-11-09 05:04:51,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:04:51,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668981507] [2024-11-09 05:04:51,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:51,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:04:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:51,566 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:04:51,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:04:51,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668981507] [2024-11-09 05:04:51,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668981507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:51,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:04:51,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:04:51,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763718878] [2024-11-09 05:04:51,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:51,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:04:51,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:04:51,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:04:51,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:04:51,573 INFO L87 Difference]: Start difference. First operand 250 states and 355 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:04:51,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:51,817 INFO L93 Difference]: Finished difference Result 603 states and 890 transitions. [2024-11-09 05:04:51,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:04:51,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 83 [2024-11-09 05:04:51,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:51,823 INFO L225 Difference]: With dead ends: 603 [2024-11-09 05:04:51,824 INFO L226 Difference]: Without dead ends: 377 [2024-11-09 05:04:51,825 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 05:04:51,826 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 57 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:51,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 410 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:04:51,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-09 05:04:52,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 372. [2024-11-09 05:04:52,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 250 states have (on average 1.44) internal successors, (360), 252 states have internal predecessors, (360), 99 states have call successors, (99), 22 states have call predecessors, (99), 22 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-09 05:04:52,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 557 transitions. [2024-11-09 05:04:52,019 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 557 transitions. Word has length 83 [2024-11-09 05:04:52,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:52,022 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 557 transitions. [2024-11-09 05:04:52,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:04:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 557 transitions. [2024-11-09 05:04:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 05:04:52,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:52,029 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:04:52,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:04:52,029 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:04:52,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:52,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1114350602, now seen corresponding path program 1 times [2024-11-09 05:04:52,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:04:52,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466053610] [2024-11-09 05:04:52,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:52,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:04:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:04:52,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:04:52,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466053610] [2024-11-09 05:04:52,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466053610] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:04:52,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812388994] [2024-11-09 05:04:52,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:52,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:04:52,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:04:52,216 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:04:52,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:04:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:52,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:04:52,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:04:52,709 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:04:52,711 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:04:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:04:52,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812388994] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:04:52,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2106852923] [2024-11-09 05:04:52,844 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-09 05:04:52,844 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:04:52,845 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:04:52,845 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:04:52,846 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:05:40,199 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:05:40,344 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 431 for LOIs [2024-11-09 05:05:41,840 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:06:10,189 WARN L286 SmtUtils]: Spent 8.90s on a formula simplification. DAG size of input: 431 DAG size of output: 432 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:06:23,399 WARN L286 SmtUtils]: Spent 12.83s 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 05:07:14,722 WARN L286 SmtUtils]: Spent 12.77s on a formula simplification. DAG size of input: 452 DAG size of output: 452 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:07:44,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2106852923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:07:44,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:07:44,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 05:07:44,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402876438] [2024-11-09 05:07:44,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:07:44,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:07:44,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:07:44,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:07:44,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:07:44,864 INFO L87 Difference]: Start difference. First operand 372 states and 557 transitions. Second operand has 26 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 16 states have internal predecessors, (42), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-09 05:07:57,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:07:57,691 INFO L93 Difference]: Finished difference Result 754 states and 1157 transitions. [2024-11-09 05:07:57,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 05:07:57,693 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 16 states have internal predecessors, (42), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 84 [2024-11-09 05:07:57,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:07:57,697 INFO L225 Difference]: With dead ends: 754 [2024-11-09 05:07:57,697 INFO L226 Difference]: Without dead ends: 445 [2024-11-09 05:07:57,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 123.0s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:07:57,700 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 64 mSDsluCounter, 2385 mSDsCounter, 0 mSdLazyCounter, 2117 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 2566 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:07:57,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 2566 Invalid, 2125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2117 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2024-11-09 05:07:57,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-09 05:07:57,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 386. [2024-11-09 05:07:57,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 262 states have (on average 1.4389312977099236) internal successors, (377), 264 states have internal predecessors, (377), 100 states have call successors, (100), 23 states have call predecessors, (100), 23 states have return successors, (99), 98 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-09 05:07:57,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 576 transitions. [2024-11-09 05:07:57,877 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 576 transitions. Word has length 84 [2024-11-09 05:07:57,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:07:57,878 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 576 transitions. [2024-11-09 05:07:57,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 16 states have internal predecessors, (42), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-09 05:07:57,878 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 576 transitions. [2024-11-09 05:07:57,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 05:07:57,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:07:57,882 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:07:57,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 05:07:58,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 05:07:58,086 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:07:58,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:07:58,088 INFO L85 PathProgramCache]: Analyzing trace with hash 107750746, now seen corresponding path program 1 times [2024-11-09 05:07:58,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:07:58,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528701013] [2024-11-09 05:07:58,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:07:58,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:07:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:07:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:07:58,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:07:58,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528701013] [2024-11-09 05:07:58,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528701013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:07:58,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361836924] [2024-11-09 05:07:58,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:07:58,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:07:58,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:07:58,306 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:07:58,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:07:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:07:58,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:07:58,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:07:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:07:58,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:07:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:07:59,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361836924] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:07:59,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2009019584] [2024-11-09 05:07:59,013 INFO L159 IcfgInterpreter]: Started Sifa with 72 locations of interest [2024-11-09 05:07:59,014 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:07:59,015 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:07:59,015 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:07:59,015 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:09:23,274 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:09:23,431 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 477 for LOIs [2024-11-09 05:09:24,825 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 486 for LOIs [2024-11-09 05:09:26,464 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 422 for LOIs [2024-11-09 05:09:27,256 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-09 05:09:27,536 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:10:43,873 WARN L286 SmtUtils]: Spent 15.31s on a formula simplification. DAG size of input: 510 DAG size of output: 505 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:11:07,493 WARN L286 SmtUtils]: Spent 6.39s on a formula simplification. DAG size of input: 491 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:11:15,060 WARN L286 SmtUtils]: Spent 6.94s on a formula simplification. DAG size of input: 496 DAG size of output: 492 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:11:22,126 WARN L286 SmtUtils]: Spent 6.45s 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 05:11:29,368 WARN L286 SmtUtils]: Spent 6.54s 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 05:11:36,616 WARN L286 SmtUtils]: Spent 6.59s 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 05:11:42,822 WARN L286 SmtUtils]: Spent 5.63s 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 05:11:49,158 WARN L286 SmtUtils]: Spent 5.70s 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 05:11:55,325 WARN L286 SmtUtils]: Spent 5.40s 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 05:11:55,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2009019584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:11:55,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:11:55,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 05:11:55,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014409989] [2024-11-09 05:11:55,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:11:55,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:11:55,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:11:55,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:11:55,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1291, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 05:11:55,334 INFO L87 Difference]: Start difference. First operand 386 states and 576 transitions. Second operand has 33 states, 19 states have (on average 2.210526315789474) internal successors, (42), 18 states have internal predecessors, (42), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-09 05:12:11,083 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 513 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:12:25,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:25,311 INFO L93 Difference]: Finished difference Result 779 states and 1192 transitions. [2024-11-09 05:12:25,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-09 05:12:25,312 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.210526315789474) internal successors, (42), 18 states have internal predecessors, (42), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) Word has length 87 [2024-11-09 05:12:25,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:25,316 INFO L225 Difference]: With dead ends: 779 [2024-11-09 05:12:25,317 INFO L226 Difference]: Without dead ends: 470 [2024-11-09 05:12:25,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 157.3s TimeCoverageRelationStatistics Valid=126, Invalid=1434, Unknown=0, NotChecked=0, Total=1560 [2024-11-09 05:12:25,324 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 28 mSDsluCounter, 3115 mSDsCounter, 0 mSdLazyCounter, 3464 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 3294 SdHoareTripleChecker+Invalid, 3475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 3464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:25,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 3294 Invalid, 3475 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 3464 Invalid, 0 Unknown, 0 Unchecked, 20.1s Time] [2024-11-09 05:12:25,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-09 05:12:25,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 422. [2024-11-09 05:12:25,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 292 states have (on average 1.4349315068493151) internal successors, (419), 294 states have internal predecessors, (419), 103 states have call successors, (103), 26 states have call predecessors, (103), 26 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 05:12:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 624 transitions. [2024-11-09 05:12:25,488 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 624 transitions. Word has length 87 [2024-11-09 05:12:25,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:25,489 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 624 transitions. [2024-11-09 05:12:25,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.210526315789474) internal successors, (42), 18 states have internal predecessors, (42), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-09 05:12:25,490 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 624 transitions. [2024-11-09 05:12:25,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 05:12:25,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:25,492 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:12:25,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:12:25,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:12:25,694 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:12:25,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:25,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1639583690, now seen corresponding path program 1 times [2024-11-09 05:12:25,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:25,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531498390] [2024-11-09 05:12:25,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:25,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:12:25,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:25,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531498390] [2024-11-09 05:12:25,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531498390] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:12:25,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681887865] [2024-11-09 05:12:25,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:25,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:12:25,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:12:25,921 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:12:25,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:12:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:26,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:12:26,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:12:26,416 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:12:26,417 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:12:26,534 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:12:26,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681887865] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:12:26,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1569072451] [2024-11-09 05:12:26,538 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2024-11-09 05:12:26,539 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:12:26,540 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:12:26,540 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:12:26,541 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:13:11,516 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:13:11,655 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-09 05:13:11,885 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:14:19,487 WARN L286 SmtUtils]: Spent 11.96s on a formula simplification. DAG size of input: 451 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:14:54,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1569072451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:14:54,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:14:54,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 05:14:54,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506360221] [2024-11-09 05:14:54,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:14:54,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 05:14:54,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:14:54,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 05:14:54,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:14:54,374 INFO L87 Difference]: Start difference. First operand 422 states and 624 transitions. Second operand has 27 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 7 states have call successors, (17), 3 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 05:15:10,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:15:10,903 INFO L93 Difference]: Finished difference Result 780 states and 1181 transitions. [2024-11-09 05:15:10,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 05:15:10,904 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 7 states have call successors, (17), 3 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 86 [2024-11-09 05:15:10,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:15:10,908 INFO L225 Difference]: With dead ends: 780 [2024-11-09 05:15:10,908 INFO L226 Difference]: Without dead ends: 471 [2024-11-09 05:15:10,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 106.3s TimeCoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:15:10,911 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 18 mSDsluCounter, 2668 mSDsCounter, 0 mSdLazyCounter, 2518 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2844 SdHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:15:10,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2844 Invalid, 2527 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2518 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2024-11-09 05:15:10,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-09 05:15:11,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 442. [2024-11-09 05:15:11,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 312 states have (on average 1.439102564102564) internal successors, (449), 314 states have internal predecessors, (449), 103 states have call successors, (103), 26 states have call predecessors, (103), 26 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 05:15:11,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 654 transitions. [2024-11-09 05:15:11,079 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 654 transitions. Word has length 86 [2024-11-09 05:15:11,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:15:11,080 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 654 transitions. [2024-11-09 05:15:11,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 7 states have call successors, (17), 3 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 05:15:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 654 transitions. [2024-11-09 05:15:11,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 05:15:11,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:15:11,085 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:15:11,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 05:15:11,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 05:15:11,286 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:15:11,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:15:11,287 INFO L85 PathProgramCache]: Analyzing trace with hash -526988777, now seen corresponding path program 1 times [2024-11-09 05:15:11,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:15:11,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137238777] [2024-11-09 05:15:11,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:15:11,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:15:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:15:11,525 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 05:15:11,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:15:11,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137238777] [2024-11-09 05:15:11,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137238777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:15:11,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952599696] [2024-11-09 05:15:11,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:15:11,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:15:11,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:15:11,528 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:15:11,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e242ad-ebca-4052-ada6-b4123891950a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:15:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:15:12,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:15:12,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:15:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:15:12,088 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:15:12,220 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:15:12,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952599696] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:15:12,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2137796777] [2024-11-09 05:15:12,224 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-09 05:15:12,226 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:15:12,227 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:15:12,227 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:15:12,227 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:16:00,960 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:16:01,112 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 431 for LOIs [2024-11-09 05:16:02,584 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 247 for LOIs [2024-11-09 05:16:05,772 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 245 for LOIs [2024-11-09 05:16:08,074 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 228 for LOIs [2024-11-09 05:16:08,196 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Keys with input of size 255 for LOIs [2024-11-09 05:16:13,979 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 250 for LOIs [2024-11-09 05:16:14,115 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 250 for LOIs [2024-11-09 05:16:14,275 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 240 for LOIs [2024-11-09 05:16:14,394 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 223 for LOIs [2024-11-09 05:16:14,518 INFO L180 IcfgInterpreter]: Interpretation finished