./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/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_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/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_161587bc-9d42-4ba5-934a-535d46add51e/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 6b54f48e5606af61de5b12570bc2e15a173e4036917e2e3bdec28cef1386724b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:22:23,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:22:24,065 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:22:24,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:22:24,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:22:24,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:22:24,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:22:24,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:22:24,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:22:24,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:22:24,109 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:22:24,109 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:22:24,110 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:22:24,110 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:22:24,110 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:22:24,113 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:22:24,113 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:22:24,114 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:22:24,114 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:22:24,115 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:22:24,115 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:22:24,119 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:22:24,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:22:24,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:22:24,120 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:22:24,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:22:24,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:22:24,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:22:24,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:22:24,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:22:24,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:22:24,122 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:22:24,122 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:22:24,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:22:24,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:22:24,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:22:24,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:22:24,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:22:24,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:22:24,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:22:24,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:22:24,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:22:24,130 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:22:24,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:22:24,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:22:24,131 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:22:24,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:22:24,131 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_161587bc-9d42-4ba5-934a-535d46add51e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b54f48e5606af61de5b12570bc2e15a173e4036917e2e3bdec28cef1386724b [2024-11-09 01:22:24,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:22:24,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:22:24,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:22:24,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:22:24,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:22:24,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec27_product32.cil.c Unable to find full path for "g++" [2024-11-09 01:22:26,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:22:26,825 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:22:26,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/sv-benchmarks/c/product-lines/email_spec27_product32.cil.c [2024-11-09 01:22:26,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/data/ec4410702/a7270e17a5b2456b859619fa762892ed/FLAG1565fe1a0 [2024-11-09 01:22:27,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/data/ec4410702/a7270e17a5b2456b859619fa762892ed [2024-11-09 01:22:27,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:22:27,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:22:27,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:22:27,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:22:27,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:22:27,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:22:27" (1/1) ... [2024-11-09 01:22:27,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673c8122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:27, skipping insertion in model container [2024-11-09 01:22:27,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:22:27" (1/1) ... [2024-11-09 01:22:27,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:22:27,519 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_161587bc-9d42-4ba5-934a-535d46add51e/sv-benchmarks/c/product-lines/email_spec27_product32.cil.c[27975,27988] [2024-11-09 01:22:27,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:22:27,932 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:22:27,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2024-11-09 01:22:27,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [1128] [2024-11-09 01:22:27,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1174] [2024-11-09 01:22:27,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1183] [2024-11-09 01:22:27,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1201] [2024-11-09 01:22:27,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1567] [2024-11-09 01:22:27,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1875] [2024-11-09 01:22:27,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2287] [2024-11-09 01:22:27,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2685] [2024-11-09 01:22:27,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2720] [2024-11-09 01:22:27,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2856] [2024-11-09 01:22:28,002 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_161587bc-9d42-4ba5-934a-535d46add51e/sv-benchmarks/c/product-lines/email_spec27_product32.cil.c[27975,27988] [2024-11-09 01:22:28,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:22:28,144 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:22:28,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:28 WrapperNode [2024-11-09 01:22:28,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:22:28,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:22:28,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:22:28,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:22:28,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:28" (1/1) ... [2024-11-09 01:22:28,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:28" (1/1) ... [2024-11-09 01:22:28,243 INFO L138 Inliner]: procedures = 134, calls = 220, calls flagged for inlining = 60, calls inlined = 53, statements flattened = 991 [2024-11-09 01:22:28,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:22:28,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:22:28,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:22:28,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:22:28,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:28" (1/1) ... [2024-11-09 01:22:28,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:28" (1/1) ... [2024-11-09 01:22:28,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:28" (1/1) ... [2024-11-09 01:22:28,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:28" (1/1) ... [2024-11-09 01:22:28,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:28" (1/1) ... [2024-11-09 01:22:28,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:28" (1/1) ... [2024-11-09 01:22:28,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:28" (1/1) ... [2024-11-09 01:22:28,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:28" (1/1) ... [2024-11-09 01:22:28,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:22:28,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:22:28,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:22:28,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:22:28,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:28" (1/1) ... [2024-11-09 01:22:28,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:22:28,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:22:28,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:22:28,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:22:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 01:22:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 01:22:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 01:22:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 01:22:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 01:22:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 01:22:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 01:22:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 01:22:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 01:22:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 01:22:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 01:22:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 01:22:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-09 01:22:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-09 01:22:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 01:22:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 01:22:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 01:22:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 01:22:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 01:22:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 01:22:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 01:22:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 01:22:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 01:22:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 01:22:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 01:22:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 01:22:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 01:22:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 01:22:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 01:22:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 01:22:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:22:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 01:22:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 01:22:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 01:22:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 01:22:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 01:22:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 01:22:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 01:22:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 01:22:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 01:22:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 01:22:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 01:22:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 01:22:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-09 01:22:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-09 01:22:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 01:22:28,461 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 01:22:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 01:22:28,461 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 01:22:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 01:22:28,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 01:22:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 01:22:28,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 01:22:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 01:22:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 01:22:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:22:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 01:22:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 01:22:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 01:22:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 01:22:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:22:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:22:28,731 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:22:28,738 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:22:30,038 INFO L? ?]: Removed 544 outVars from TransFormulas that were not future-live. [2024-11-09 01:22:30,038 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:22:30,882 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:22:30,882 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:22:30,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:22:30 BoogieIcfgContainer [2024-11-09 01:22:30,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:22:30,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:22:30,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:22:30,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:22:30,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:22:27" (1/3) ... [2024-11-09 01:22:30,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b467892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:22:30, skipping insertion in model container [2024-11-09 01:22:30,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:28" (2/3) ... [2024-11-09 01:22:30,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b467892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:22:30, skipping insertion in model container [2024-11-09 01:22:30,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:22:30" (3/3) ... [2024-11-09 01:22:30,893 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product32.cil.c [2024-11-09 01:22:30,913 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:22:30,914 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:22:31,005 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:22:31,013 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;@2ec31e71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:22:31,013 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:22:31,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 126 states have (on average 1.3015873015873016) internal successors, (164), 131 states have internal predecessors, (164), 66 states have call successors, (66), 29 states have call predecessors, (66), 29 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-09 01:22:31,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 01:22:31,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:22:31,043 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:22:31,043 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:22:31,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:22:31,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1985067408, now seen corresponding path program 1 times [2024-11-09 01:22:31,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:22:31,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412386660] [2024-11-09 01:22:31,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:31,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:22:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:22:31,586 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 01:22:31,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:22:31,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412386660] [2024-11-09 01:22:31,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412386660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:22:31,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:22:31,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:22:31,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739837877] [2024-11-09 01:22:31,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:22:31,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:22:31,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:22:31,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:22:31,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:22:31,636 INFO L87 Difference]: Start difference. First operand has 223 states, 126 states have (on average 1.3015873015873016) internal successors, (164), 131 states have internal predecessors, (164), 66 states have call successors, (66), 29 states have call predecessors, (66), 29 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 01:22:31,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:22:31,841 INFO L93 Difference]: Finished difference Result 354 states and 463 transitions. [2024-11-09 01:22:31,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:22:31,846 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 99 [2024-11-09 01:22:31,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:22:31,863 INFO L225 Difference]: With dead ends: 354 [2024-11-09 01:22:31,863 INFO L226 Difference]: Without dead ends: 220 [2024-11-09 01:22:31,869 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 01:22:31,874 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:22:31,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 251 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:22:31,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-09 01:22:31,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-09 01:22:31,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 124 states have (on average 1.2741935483870968) internal successors, (158), 128 states have internal predecessors, (158), 66 states have call successors, (66), 29 states have call predecessors, (66), 29 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 01:22:31,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 289 transitions. [2024-11-09 01:22:31,947 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 289 transitions. Word has length 99 [2024-11-09 01:22:31,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:22:31,948 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 289 transitions. [2024-11-09 01:22:31,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 01:22:31,949 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 289 transitions. [2024-11-09 01:22:31,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 01:22:31,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:22:31,960 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:22:31,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:22:31,961 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:22:31,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:22:31,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1834636909, now seen corresponding path program 1 times [2024-11-09 01:22:31,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:22:31,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559830382] [2024-11-09 01:22:31,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:31,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:22:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:22:32,384 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 01:22:32,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:22:32,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559830382] [2024-11-09 01:22:32,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559830382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:22:32,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:22:32,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:22:32,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539544600] [2024-11-09 01:22:32,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:22:32,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:22:32,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:22:32,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:22:32,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:22:32,393 INFO L87 Difference]: Start difference. First operand 220 states and 289 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 01:22:32,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:22:32,610 INFO L93 Difference]: Finished difference Result 350 states and 448 transitions. [2024-11-09 01:22:32,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:22:32,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 100 [2024-11-09 01:22:32,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:22:32,617 INFO L225 Difference]: With dead ends: 350 [2024-11-09 01:22:32,617 INFO L226 Difference]: Without dead ends: 222 [2024-11-09 01:22:32,619 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 01:22:32,623 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:22:32,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 495 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 01:22:32,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-09 01:22:32,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-09 01:22:32,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 126 states have (on average 1.2698412698412698) internal successors, (160), 130 states have internal predecessors, (160), 66 states have call successors, (66), 29 states have call predecessors, (66), 29 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 01:22:32,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 291 transitions. [2024-11-09 01:22:32,664 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 291 transitions. Word has length 100 [2024-11-09 01:22:32,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:22:32,664 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 291 transitions. [2024-11-09 01:22:32,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 01:22:32,666 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 291 transitions. [2024-11-09 01:22:32,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 01:22:32,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:22:32,672 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:22:32,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:22:32,673 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:22:32,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:22:32,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1019232699, now seen corresponding path program 1 times [2024-11-09 01:22:32,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:22:32,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324628905] [2024-11-09 01:22:32,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:32,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:22:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:22:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 01:22:32,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:22:32,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324628905] [2024-11-09 01:22:32,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324628905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:22:32,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:22:32,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:22:32,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754701637] [2024-11-09 01:22:32,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:22:32,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:22:32,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:22:32,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:22:32,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:22:32,926 INFO L87 Difference]: Start difference. First operand 222 states and 291 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 01:22:33,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:22:33,123 INFO L93 Difference]: Finished difference Result 479 states and 649 transitions. [2024-11-09 01:22:33,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:22:33,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 105 [2024-11-09 01:22:33,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:22:33,126 INFO L225 Difference]: With dead ends: 479 [2024-11-09 01:22:33,126 INFO L226 Difference]: Without dead ends: 275 [2024-11-09 01:22:33,130 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 01:22:33,132 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 59 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:22:33,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 504 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 01:22:33,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-09 01:22:33,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 270. [2024-11-09 01:22:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 160 states have (on average 1.34375) internal successors, (215), 164 states have internal predecessors, (215), 80 states have call successors, (80), 29 states have call predecessors, (80), 29 states have return successors, (79), 78 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 01:22:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 374 transitions. [2024-11-09 01:22:33,173 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 374 transitions. Word has length 105 [2024-11-09 01:22:33,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:22:33,177 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 374 transitions. [2024-11-09 01:22:33,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 01:22:33,178 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 374 transitions. [2024-11-09 01:22:33,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 01:22:33,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:22:33,180 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:22:33,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 01:22:33,181 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:22:33,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:22:33,181 INFO L85 PathProgramCache]: Analyzing trace with hash 2036145362, now seen corresponding path program 1 times [2024-11-09 01:22:33,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:22:33,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035766934] [2024-11-09 01:22:33,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:33,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:22:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:22:33,526 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 01:22:33,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:22:33,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035766934] [2024-11-09 01:22:33,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035766934] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:22:33,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000212211] [2024-11-09 01:22:33,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:33,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:22:33,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:22:33,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:22:33,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:22:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:22:34,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:22:34,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:22:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 01:22:34,166 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:22:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 01:22:34,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000212211] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:22:34,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1029527983] [2024-11-09 01:22:34,348 INFO L159 IcfgInterpreter]: Started Sifa with 89 locations of interest [2024-11-09 01:22:34,349 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:22:34,353 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:22:34,359 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:22:34,362 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:23:06,294 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 01:23:06,556 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 01:23:06,712 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:24:05,500 WARN L286 SmtUtils]: Spent 10.25s on a formula simplification. DAG size of input: 456 DAG size of output: 456 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:24:17,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1029527983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:24:17,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:24:17,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 01:24:17,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754811459] [2024-11-09 01:24:17,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:24:17,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 01:24:17,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:24:17,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 01:24:17,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2024-11-09 01:24:17,712 INFO L87 Difference]: Start difference. First operand 270 states and 374 transitions. Second operand has 23 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 7 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-09 01:24:30,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:24:30,904 INFO L93 Difference]: Finished difference Result 555 states and 786 transitions. [2024-11-09 01:24:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 01:24:30,905 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 7 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 106 [2024-11-09 01:24:30,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:24:30,908 INFO L225 Difference]: With dead ends: 555 [2024-11-09 01:24:30,909 INFO L226 Difference]: Without dead ends: 303 [2024-11-09 01:24:30,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 74.3s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2024-11-09 01:24:30,911 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 26 mSDsluCounter, 3364 mSDsCounter, 0 mSdLazyCounter, 2272 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3594 SdHoareTripleChecker+Invalid, 2282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-09 01:24:30,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3594 Invalid, 2282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2272 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-11-09 01:24:30,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-09 01:24:30,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 293. [2024-11-09 01:24:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 182 states have (on average 1.3626373626373627) internal successors, (248), 186 states have internal predecessors, (248), 80 states have call successors, (80), 30 states have call predecessors, (80), 30 states have return successors, (79), 78 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 01:24:30,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 407 transitions. [2024-11-09 01:24:30,977 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 407 transitions. Word has length 106 [2024-11-09 01:24:30,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:24:30,977 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 407 transitions. [2024-11-09 01:24:30,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 7 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-09 01:24:30,978 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 407 transitions. [2024-11-09 01:24:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 01:24:30,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:30,981 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:24:31,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 01:24:31,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:24:31,182 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:31,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:31,183 INFO L85 PathProgramCache]: Analyzing trace with hash 831964850, now seen corresponding path program 1 times [2024-11-09 01:24:31,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:24:31,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841758680] [2024-11-09 01:24:31,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:31,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:24:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 01:24:31,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:24:31,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841758680] [2024-11-09 01:24:31,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841758680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:24:31,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:24:31,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:24:31,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081541486] [2024-11-09 01:24:31,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:24:31,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:24:31,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:24:31,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:24:31,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:24:31,342 INFO L87 Difference]: Start difference. First operand 293 states and 407 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 01:24:31,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:24:31,561 INFO L93 Difference]: Finished difference Result 689 states and 994 transitions. [2024-11-09 01:24:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:24:31,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 122 [2024-11-09 01:24:31,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:24:31,565 INFO L225 Difference]: With dead ends: 689 [2024-11-09 01:24:31,566 INFO L226 Difference]: Without dead ends: 420 [2024-11-09 01:24:31,567 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 01:24:31,568 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 57 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:24:31,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 504 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:24:31,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-09 01:24:31,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 415. [2024-11-09 01:24:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 273 states have (on average 1.4212454212454213) internal successors, (388), 277 states have internal predecessors, (388), 111 states have call successors, (111), 30 states have call predecessors, (111), 30 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-09 01:24:31,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 609 transitions. [2024-11-09 01:24:31,666 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 609 transitions. Word has length 122 [2024-11-09 01:24:31,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:24:31,666 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 609 transitions. [2024-11-09 01:24:31,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 01:24:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 609 transitions. [2024-11-09 01:24:31,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 01:24:31,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:31,670 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:24:31,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 01:24:31,671 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:31,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:31,671 INFO L85 PathProgramCache]: Analyzing trace with hash -752824067, now seen corresponding path program 1 times [2024-11-09 01:24:31,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:24:31,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521788314] [2024-11-09 01:24:31,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:31,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:24:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 01:24:31,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:24:31,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521788314] [2024-11-09 01:24:31,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521788314] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:24:31,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840110424] [2024-11-09 01:24:31,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:31,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:24:31,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:24:31,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:24:31,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 01:24:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:32,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:24:32,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:24:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 01:24:32,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:24:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 01:24:32,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840110424] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:24:32,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [871574606] [2024-11-09 01:24:32,449 INFO L159 IcfgInterpreter]: Started Sifa with 93 locations of interest [2024-11-09 01:24:32,449 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:24:32,450 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:24:32,450 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:24:32,450 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:25:09,734 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 01:25:09,946 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 440 for LOIs [2024-11-09 01:25:11,163 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:25:34,275 WARN L286 SmtUtils]: Spent 7.31s on a formula simplification. DAG size of input: 440 DAG size of output: 440 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:25:45,013 WARN L286 SmtUtils]: Spent 10.38s on a formula simplification. DAG size of input: 464 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:26:25,972 WARN L286 SmtUtils]: Spent 10.22s on a formula simplification. DAG size of input: 457 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:26:50,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [871574606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:26:50,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:26:50,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 01:26:50,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988563422] [2024-11-09 01:26:50,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:26:50,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 01:26:50,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:26:50,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 01:26:50,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2024-11-09 01:26:50,491 INFO L87 Difference]: Start difference. First operand 415 states and 609 transitions. Second operand has 26 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 8 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-09 01:27:07,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:27:07,163 INFO L93 Difference]: Finished difference Result 840 states and 1261 transitions. [2024-11-09 01:27:07,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 01:27:07,164 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 8 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) Word has length 112 [2024-11-09 01:27:07,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:27:07,168 INFO L225 Difference]: With dead ends: 840 [2024-11-09 01:27:07,168 INFO L226 Difference]: Without dead ends: 488 [2024-11-09 01:27:07,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 102.7s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 01:27:07,174 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 43 mSDsluCounter, 3278 mSDsCounter, 0 mSdLazyCounter, 2785 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3508 SdHoareTripleChecker+Invalid, 2794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:27:07,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3508 Invalid, 2794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2785 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2024-11-09 01:27:07,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-09 01:27:07,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 429. [2024-11-09 01:27:07,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 285 states have (on average 1.4210526315789473) internal successors, (405), 289 states have internal predecessors, (405), 112 states have call successors, (112), 31 states have call predecessors, (112), 31 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-09 01:27:07,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 628 transitions. [2024-11-09 01:27:07,377 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 628 transitions. Word has length 112 [2024-11-09 01:27:07,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:27:07,378 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 628 transitions. [2024-11-09 01:27:07,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 8 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-09 01:27:07,392 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 628 transitions. [2024-11-09 01:27:07,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 01:27:07,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:27:07,397 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:27:07,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 01:27:07,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:27:07,601 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:27:07,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:27:07,602 INFO L85 PathProgramCache]: Analyzing trace with hash -461384388, now seen corresponding path program 1 times [2024-11-09 01:27:07,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:27:07,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507377242] [2024-11-09 01:27:07,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:27:07,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:27:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:27:07,881 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 01:27:07,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:27:07,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507377242] [2024-11-09 01:27:07,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507377242] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:27:07,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386488752] [2024-11-09 01:27:07,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:27:07,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:27:07,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:27:07,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:27:07,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 01:27:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:27:08,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:27:08,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:27:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 01:27:08,398 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:27:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 01:27:08,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386488752] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:27:08,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1388587111] [2024-11-09 01:27:08,512 INFO L159 IcfgInterpreter]: Started Sifa with 98 locations of interest [2024-11-09 01:27:08,516 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:27:08,517 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:27:08,520 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:27:08,521 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:28:44,201 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 01:28:44,519 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 486 for LOIs [2024-11-09 01:28:46,193 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 495 for LOIs [2024-11-09 01:28:47,916 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 431 for LOIs [2024-11-09 01:28:48,524 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 01:28:48,777 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:29:57,643 WARN L286 SmtUtils]: Spent 14.61s on a formula simplification. DAG size of input: 515 DAG size of output: 510 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:30:04,215 WARN L286 SmtUtils]: Spent 6.15s on a formula simplification. DAG size of input: 516 DAG size of output: 508 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:30:27,113 WARN L286 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 496 DAG size of output: 496 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:30:34,114 WARN L286 SmtUtils]: Spent 6.26s on a formula simplification. DAG size of input: 501 DAG size of output: 497 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:30:40,480 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 495 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:30:47,369 WARN L286 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 495 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:30:53,889 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 491 DAG size of output: 487 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:31:00,525 WARN L286 SmtUtils]: Spent 5.86s 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 01:31:06,812 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:31:13,302 WARN L286 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 482 DAG size of output: 478 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:31:13,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1388587111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:31:13,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:31:13,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 01:31:13,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049891087] [2024-11-09 01:31:13,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:31:13,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 01:31:13,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:31:13,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 01:31:13,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 01:31:13,315 INFO L87 Difference]: Start difference. First operand 429 states and 628 transitions. Second operand has 33 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 10 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (23), 10 states have call predecessors, (23), 10 states have call successors, (23) [2024-11-09 01:31:43,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:31:43,708 INFO L93 Difference]: Finished difference Result 865 states and 1296 transitions. [2024-11-09 01:31:43,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 01:31:43,709 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 10 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (23), 10 states have call predecessors, (23), 10 states have call successors, (23) Word has length 115 [2024-11-09 01:31:43,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:31:43,715 INFO L225 Difference]: With dead ends: 865 [2024-11-09 01:31:43,715 INFO L226 Difference]: Without dead ends: 513 [2024-11-09 01:31:43,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 148.1s TimeCoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 01:31:43,719 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 78 mSDsluCounter, 4253 mSDsCounter, 0 mSdLazyCounter, 4129 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 4482 SdHoareTripleChecker+Invalid, 4139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 4129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:31:43,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 4482 Invalid, 4139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 4129 Invalid, 0 Unknown, 0 Unchecked, 26.3s Time] [2024-11-09 01:31:43,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-11-09 01:31:43,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 465. [2024-11-09 01:31:43,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 315 states have (on average 1.4190476190476191) internal successors, (447), 319 states have internal predecessors, (447), 115 states have call successors, (115), 34 states have call predecessors, (115), 34 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-09 01:31:43,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 676 transitions. [2024-11-09 01:31:43,963 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 676 transitions. Word has length 115 [2024-11-09 01:31:43,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:31:43,964 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 676 transitions. [2024-11-09 01:31:43,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 10 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (23), 10 states have call predecessors, (23), 10 states have call successors, (23) [2024-11-09 01:31:43,964 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 676 transitions. [2024-11-09 01:31:43,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 01:31:43,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:31:43,967 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:31:43,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 01:31:44,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:31:44,172 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:31:44,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:31:44,172 INFO L85 PathProgramCache]: Analyzing trace with hash 184015751, now seen corresponding path program 1 times [2024-11-09 01:31:44,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:31:44,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989952456] [2024-11-09 01:31:44,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:31:44,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:31:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:31:44,368 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 01:31:44,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:31:44,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989952456] [2024-11-09 01:31:44,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989952456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:31:44,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236062808] [2024-11-09 01:31:44,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:31:44,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:31:44,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:31:44,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:31:44,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 01:31:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:31:44,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:31:44,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:31:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 01:31:44,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:31:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 01:31:44,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236062808] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:31:44,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1691040520] [2024-11-09 01:31:45,001 INFO L159 IcfgInterpreter]: Started Sifa with 97 locations of interest [2024-11-09 01:31:45,001 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:31:45,001 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:31:45,002 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:31:45,002 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:32:36,843 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 01:32:37,021 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 01:32:37,169 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:33:42,866 WARN L286 SmtUtils]: Spent 11.35s on a formula simplification. DAG size of input: 455 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:34:16,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1691040520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:34:16,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:34:16,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 01:34:16,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363275221] [2024-11-09 01:34:16,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:34:16,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 01:34:16,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:34:16,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 01:34:16,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=893, Unknown=0, NotChecked=0, Total=992 [2024-11-09 01:34:16,953 INFO L87 Difference]: Start difference. First operand 465 states and 676 transitions. Second operand has 27 states, 19 states have (on average 3.263157894736842) internal successors, (62), 18 states have internal predecessors, (62), 7 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-09 01:34:30,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:34:30,024 INFO L93 Difference]: Finished difference Result 866 states and 1285 transitions. [2024-11-09 01:34:30,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 01:34:30,025 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 3.263157894736842) internal successors, (62), 18 states have internal predecessors, (62), 7 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 114 [2024-11-09 01:34:30,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:34:30,029 INFO L225 Difference]: With dead ends: 866 [2024-11-09 01:34:30,029 INFO L226 Difference]: Without dead ends: 514 [2024-11-09 01:34:30,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 103.1s TimeCoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 01:34:30,032 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 18 mSDsluCounter, 2531 mSDsCounter, 0 mSdLazyCounter, 2092 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 2101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-11-09 01:34:30,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2753 Invalid, 2101 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2092 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2024-11-09 01:34:30,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-09 01:34:30,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 485. [2024-11-09 01:34:30,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 335 states have (on average 1.4238805970149253) internal successors, (477), 339 states have internal predecessors, (477), 115 states have call successors, (115), 34 states have call predecessors, (115), 34 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-09 01:34:30,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 706 transitions. [2024-11-09 01:34:30,268 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 706 transitions. Word has length 114 [2024-11-09 01:34:30,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:34:30,269 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 706 transitions. [2024-11-09 01:34:30,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 3.263157894736842) internal successors, (62), 18 states have internal predecessors, (62), 7 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-09 01:34:30,269 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 706 transitions. [2024-11-09 01:34:30,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 01:34:30,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:34:30,271 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:34:30,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 01:34:30,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:34:30,475 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:34:30,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:34:30,475 INFO L85 PathProgramCache]: Analyzing trace with hash -2014047346, now seen corresponding path program 1 times [2024-11-09 01:34:30,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:34:30,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3834505] [2024-11-09 01:34:30,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:34:30,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:34:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:34:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-09 01:34:31,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:34:31,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3834505] [2024-11-09 01:34:31,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3834505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:34:31,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:34:31,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-09 01:34:31,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142581354] [2024-11-09 01:34:31,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:34:31,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 01:34:31,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:34:31,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 01:34:31,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-09 01:34:31,673 INFO L87 Difference]: Start difference. First operand 485 states and 706 transitions. Second operand has 18 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 13 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2024-11-09 01:34:33,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:34:33,809 INFO L93 Difference]: Finished difference Result 800 states and 1121 transitions. [2024-11-09 01:34:33,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 01:34:33,810 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 13 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) Word has length 117 [2024-11-09 01:34:33,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:34:33,815 INFO L225 Difference]: With dead ends: 800 [2024-11-09 01:34:33,815 INFO L226 Difference]: Without dead ends: 677 [2024-11-09 01:34:33,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-11-09 01:34:33,817 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 323 mSDsluCounter, 2138 mSDsCounter, 0 mSdLazyCounter, 2620 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 2354 SdHoareTripleChecker+Invalid, 2705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 2620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 01:34:33,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 2354 Invalid, 2705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 2620 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 01:34:33,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2024-11-09 01:34:34,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 670. [2024-11-09 01:34:34,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 435 states have (on average 1.3724137931034484) internal successors, (597), 446 states have internal predecessors, (597), 179 states have call successors, (179), 55 states have call predecessors, (179), 55 states have return successors, (180), 174 states have call predecessors, (180), 174 states have call successors, (180) [2024-11-09 01:34:34,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 956 transitions. [2024-11-09 01:34:34,013 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 956 transitions. Word has length 117 [2024-11-09 01:34:34,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:34:34,014 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 956 transitions. [2024-11-09 01:34:34,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 13 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2024-11-09 01:34:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 956 transitions. [2024-11-09 01:34:34,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 01:34:34,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:34:34,018 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:34:34,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 01:34:34,019 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:34:34,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:34:34,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1535337496, now seen corresponding path program 1 times [2024-11-09 01:34:34,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:34:34,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604675101] [2024-11-09 01:34:34,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:34:34,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:34:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:34:34,331 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 01:34:34,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:34:34,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604675101] [2024-11-09 01:34:34,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604675101] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:34:34,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227584233] [2024-11-09 01:34:34,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:34:34,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:34:34,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:34:34,334 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:34:34,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161587bc-9d42-4ba5-934a-535d46add51e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 01:34:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:34:34,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:34:34,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:34:34,855 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 01:34:34,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:34:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 01:34:34,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227584233] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:34:34,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [189358461] [2024-11-09 01:34:34,992 INFO L159 IcfgInterpreter]: Started Sifa with 111 locations of interest [2024-11-09 01:34:34,992 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:34:34,993 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:34:34,993 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:34:34,993 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:35:20,248 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 01:35:20,413 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 256 for LOIs [2024-11-09 01:35:23,429 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 224 for LOIs [2024-11-09 01:35:23,507 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 442 for LOIs [2024-11-09 01:35:24,820 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 254 for LOIs [2024-11-09 01:35:27,887 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 264 for LOIs [2024-11-09 01:35:44,196 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 253 for LOIs [2024-11-09 01:35:45,444 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 253 for LOIs [2024-11-09 01:35:45,591 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 258 for LOIs [2024-11-09 01:35:46,434 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 241 for LOIs [2024-11-09 01:35:46,660 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailFrom with input of size 240 for LOIs [2024-11-09 01:35:46,763 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 227 for LOIs [2024-11-09 01:35:46,850 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 228 for LOIs [2024-11-09 01:35:46,934 INFO L197 IcfgInterpreter]: Interpreting procedure isSigned with input of size 247 for LOIs [2024-11-09 01:35:47,033 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 229 for LOIs [2024-11-09 01:35:47,139 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:36:13,173 WARN L286 SmtUtils]: Spent 8.68s on a formula simplification. DAG size of input: 442 DAG size of output: 443 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:36:25,582 WARN L286 SmtUtils]: Spent 11.92s on a formula simplification. DAG size of input: 466 DAG size of output: 462 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)