./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/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_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/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_6173cac4-dd41-4fa2-a3da-52b7487de96b/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 5711b4c0ea669ac051f0ad97dbc3a1a473a1622b7d95c937325001ba5ca1073b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:26:24,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:26:24,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:26:24,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:26:24,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:26:25,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:26:25,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:26:25,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:26:25,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:26:25,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:26:25,019 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:26:25,019 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:26:25,020 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:26:25,020 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:26:25,021 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:26:25,021 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:26:25,026 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:26:25,026 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:26:25,027 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:26:25,027 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:26:25,027 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:26:25,036 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:26:25,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:26:25,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:26:25,037 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:26:25,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:26:25,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:26:25,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:26:25,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:26:25,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:26:25,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:26:25,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:26:25,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:26:25,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:26:25,044 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:26:25,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:26:25,044 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:26:25,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:26:25,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:26:25,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:26:25,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:26:25,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:26:25,047 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:26:25,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:26:25,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:26:25,048 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:26:25,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:26:25,049 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_6173cac4-dd41-4fa2-a3da-52b7487de96b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5711b4c0ea669ac051f0ad97dbc3a1a473a1622b7d95c937325001ba5ca1073b [2024-11-09 05:26:25,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:26:25,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:26:25,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:26:25,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:26:25,470 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:26:25,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec4_product32.cil.c Unable to find full path for "g++" [2024-11-09 05:26:27,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:26:27,997 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:26:27,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/sv-benchmarks/c/product-lines/email_spec4_product32.cil.c [2024-11-09 05:26:28,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/data/e5d5d1dbf/9a1e411d65bc4a03bbf0be05d03e5542/FLAG0da295adf [2024-11-09 05:26:28,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/data/e5d5d1dbf/9a1e411d65bc4a03bbf0be05d03e5542 [2024-11-09 05:26:28,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:26:28,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:26:28,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:26:28,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:26:28,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:26:28,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:26:28" (1/1) ... [2024-11-09 05:26:28,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416935ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:28, skipping insertion in model container [2024-11-09 05:26:28,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:26:28" (1/1) ... [2024-11-09 05:26:28,166 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:26:28,810 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_6173cac4-dd41-4fa2-a3da-52b7487de96b/sv-benchmarks/c/product-lines/email_spec4_product32.cil.c[32699,32712] [2024-11-09 05:26:29,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:26:29,148 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:26:29,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-11-09 05:26:29,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [97] [2024-11-09 05:26:29,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1177] [2024-11-09 05:26:29,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1484] [2024-11-09 05:26:29,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1493] [2024-11-09 05:26:29,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1641] [2024-11-09 05:26:29,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2046] [2024-11-09 05:26:29,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2073] [2024-11-09 05:26:29,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2090] [2024-11-09 05:26:29,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2456] [2024-11-09 05:26:29,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2675] [2024-11-09 05:26:29,272 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_6173cac4-dd41-4fa2-a3da-52b7487de96b/sv-benchmarks/c/product-lines/email_spec4_product32.cil.c[32699,32712] [2024-11-09 05:26:29,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:26:29,424 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:26:29,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:29 WrapperNode [2024-11-09 05:26:29,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:26:29,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:26:29,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:26:29,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:26:29,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:29" (1/1) ... [2024-11-09 05:26:29,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:29" (1/1) ... [2024-11-09 05:26:29,582 INFO L138 Inliner]: procedures = 134, calls = 219, calls flagged for inlining = 61, calls inlined = 53, statements flattened = 984 [2024-11-09 05:26:29,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:26:29,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:26:29,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:26:29,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:26:29,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:29" (1/1) ... [2024-11-09 05:26:29,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:29" (1/1) ... [2024-11-09 05:26:29,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:29" (1/1) ... [2024-11-09 05:26:29,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:29" (1/1) ... [2024-11-09 05:26:29,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:29" (1/1) ... [2024-11-09 05:26:29,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:29" (1/1) ... [2024-11-09 05:26:29,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:29" (1/1) ... [2024-11-09 05:26:29,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:29" (1/1) ... [2024-11-09 05:26:29,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:26:29,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:26:29,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:26:29,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:26:29,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:29" (1/1) ... [2024-11-09 05:26:29,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:26:29,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:26:29,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:26:29,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:26:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 05:26:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 05:26:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 05:26:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 05:26:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 05:26:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 05:26:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 05:26:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 05:26:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 05:26:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 05:26:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 05:26:29,833 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 05:26:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-09 05:26:29,833 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-09 05:26:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 05:26:29,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 05:26:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 05:26:29,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 05:26:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 05:26:29,834 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 05:26:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 05:26:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 05:26:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 05:26:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 05:26:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 05:26:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 05:26:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 05:26:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 05:26:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 05:26:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 05:26:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:26:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 05:26:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 05:26:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 05:26:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 05:26:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 05:26:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 05:26:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 05:26:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 05:26:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 05:26:29,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 05:26:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 05:26:29,839 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 05:26:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 05:26:29,840 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 05:26:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 05:26:29,840 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 05:26:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 05:26:29,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 05:26:29,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 05:26:29,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 05:26:29,841 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 05:26:29,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 05:26:29,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:26:29,842 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 05:26:29,842 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 05:26:29,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 05:26:29,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 05:26:29,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:26:29,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:26:30,165 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:26:30,168 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:26:31,693 INFO L? ?]: Removed 537 outVars from TransFormulas that were not future-live. [2024-11-09 05:26:31,693 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:26:32,836 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:26:32,839 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:26:32,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:26:32 BoogieIcfgContainer [2024-11-09 05:26:32,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:26:32,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:26:32,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:26:32,847 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:26:32,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:26:28" (1/3) ... [2024-11-09 05:26:32,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a7feab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:26:32, skipping insertion in model container [2024-11-09 05:26:32,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:29" (2/3) ... [2024-11-09 05:26:32,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a7feab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:26:32, skipping insertion in model container [2024-11-09 05:26:32,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:26:32" (3/3) ... [2024-11-09 05:26:32,855 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product32.cil.c [2024-11-09 05:26:32,879 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:26:32,879 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:26:32,982 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:26:32,990 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;@6ec468b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:26:32,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:26:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 219 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 129 states have internal predecessors, (162), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 05:26:33,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 05:26:33,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:26:33,021 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:26:33,022 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:26:33,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:26:33,030 INFO L85 PathProgramCache]: Analyzing trace with hash -811240638, now seen corresponding path program 1 times [2024-11-09 05:26:33,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:26:33,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228622196] [2024-11-09 05:26:33,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:26:33,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:26:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:26:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:26:33,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:26:33,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228622196] [2024-11-09 05:26:33,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228622196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:26:33,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:26:33,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:26:33,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099801493] [2024-11-09 05:26:33,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:26:33,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:26:33,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:26:33,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:26:33,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:26:33,623 INFO L87 Difference]: Start difference. First operand has 219 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 129 states have internal predecessors, (162), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:26:33,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:26:33,850 INFO L93 Difference]: Finished difference Result 346 states and 455 transitions. [2024-11-09 05:26:33,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:26:33,853 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 75 [2024-11-09 05:26:33,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:26:33,876 INFO L225 Difference]: With dead ends: 346 [2024-11-09 05:26:33,877 INFO L226 Difference]: Without dead ends: 216 [2024-11-09 05:26:33,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:26:33,891 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:26:33,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:26:33,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-09 05:26:33,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-09 05:26:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 122 states have (on average 1.278688524590164) internal successors, (156), 126 states have internal predecessors, (156), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-09 05:26:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 285 transitions. [2024-11-09 05:26:33,972 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 285 transitions. Word has length 75 [2024-11-09 05:26:33,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:26:33,974 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 285 transitions. [2024-11-09 05:26:33,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:26:33,975 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 285 transitions. [2024-11-09 05:26:33,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 05:26:33,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:26:33,984 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:26:33,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:26:33,985 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:26:33,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:26:33,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1763573558, now seen corresponding path program 1 times [2024-11-09 05:26:33,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:26:33,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313514592] [2024-11-09 05:26:33,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:26:33,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:26:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:26:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:26:34,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:26:34,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313514592] [2024-11-09 05:26:34,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313514592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:26:34,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:26:34,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:26:34,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903199551] [2024-11-09 05:26:34,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:26:34,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:26:34,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:26:34,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:26:34,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:26:34,386 INFO L87 Difference]: Start difference. First operand 216 states and 285 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:26:34,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:26:34,595 INFO L93 Difference]: Finished difference Result 342 states and 440 transitions. [2024-11-09 05:26:34,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:26:34,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 76 [2024-11-09 05:26:34,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:26:34,600 INFO L225 Difference]: With dead ends: 342 [2024-11-09 05:26:34,600 INFO L226 Difference]: Without dead ends: 218 [2024-11-09 05:26:34,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:26:34,604 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 0 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:26:34,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 489 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:26:34,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-09 05:26:34,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-09 05:26:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 124 states have (on average 1.2741935483870968) internal successors, (158), 128 states have internal predecessors, (158), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-09 05:26:34,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2024-11-09 05:26:34,634 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 76 [2024-11-09 05:26:34,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:26:34,636 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2024-11-09 05:26:34,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:26:34,637 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2024-11-09 05:26:34,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 05:26:34,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:26:34,648 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:26:34,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:26:34,648 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:26:34,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:26:34,649 INFO L85 PathProgramCache]: Analyzing trace with hash -520684604, now seen corresponding path program 1 times [2024-11-09 05:26:34,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:26:34,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953259754] [2024-11-09 05:26:34,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:26:34,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:26:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:26:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:26:34,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:26:34,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953259754] [2024-11-09 05:26:34,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953259754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:26:34,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:26:34,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:26:34,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857409673] [2024-11-09 05:26:34,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:26:34,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:26:34,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:26:34,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:26:34,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:26:34,883 INFO L87 Difference]: Start difference. First operand 218 states and 287 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:26:35,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:26:35,110 INFO L93 Difference]: Finished difference Result 471 states and 641 transitions. [2024-11-09 05:26:35,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:26:35,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 81 [2024-11-09 05:26:35,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:26:35,115 INFO L225 Difference]: With dead ends: 471 [2024-11-09 05:26:35,116 INFO L226 Difference]: Without dead ends: 271 [2024-11-09 05:26:35,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:26:35,119 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 59 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:26:35,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 494 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:26:35,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-09 05:26:35,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 266. [2024-11-09 05:26:35,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 158 states have (on average 1.3481012658227849) internal successors, (213), 162 states have internal predecessors, (213), 79 states have call successors, (79), 28 states have call predecessors, (79), 28 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-09 05:26:35,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 370 transitions. [2024-11-09 05:26:35,152 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 370 transitions. Word has length 81 [2024-11-09 05:26:35,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:26:35,153 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 370 transitions. [2024-11-09 05:26:35,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:26:35,154 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 370 transitions. [2024-11-09 05:26:35,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 05:26:35,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:26:35,157 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:26:35,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:26:35,158 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:26:35,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:26:35,159 INFO L85 PathProgramCache]: Analyzing trace with hash -163425553, now seen corresponding path program 1 times [2024-11-09 05:26:35,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:26:35,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235579236] [2024-11-09 05:26:35,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:26:35,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:26:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:26:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:26:35,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:26:35,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235579236] [2024-11-09 05:26:35,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235579236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:26:35,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83734743] [2024-11-09 05:26:35,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:26:35,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:26:35,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:26:35,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:26:35,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:26:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:26:36,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:26:36,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:26:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:26:36,157 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:26:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:26:36,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83734743] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:26:36,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1411510085] [2024-11-09 05:26:36,338 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2024-11-09 05:26:36,338 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:26:36,343 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:26:36,350 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:26:36,351 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:27:17,313 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:27:17,478 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 05:27:17,637 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:28:34,002 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 461 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:28:38,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1411510085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:28:38,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:28:38,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 05:28:38,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571202257] [2024-11-09 05:28:38,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:28:38,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 05:28:38,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:28:38,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 05:28:38,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:28:38,819 INFO L87 Difference]: Start difference. First operand 266 states and 370 transitions. Second operand has 23 states, 15 states have (on average 2.8) internal successors, (42), 14 states have internal predecessors, (42), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-09 05:28:49,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:28:49,129 INFO L93 Difference]: Finished difference Result 547 states and 778 transitions. [2024-11-09 05:28:49,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 05:28:49,131 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.8) internal successors, (42), 14 states have internal predecessors, (42), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) Word has length 82 [2024-11-09 05:28:49,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:28:49,134 INFO L225 Difference]: With dead ends: 547 [2024-11-09 05:28:49,134 INFO L226 Difference]: Without dead ends: 299 [2024-11-09 05:28:49,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 81.2s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:28:49,137 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 26 mSDsluCounter, 3542 mSDsCounter, 0 mSdLazyCounter, 1992 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3769 SdHoareTripleChecker+Invalid, 2001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:28:49,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3769 Invalid, 2001 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1992 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2024-11-09 05:28:49,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-09 05:28:49,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 289. [2024-11-09 05:28:49,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 180 states have (on average 1.3666666666666667) internal successors, (246), 184 states have internal predecessors, (246), 79 states have call successors, (79), 29 states have call predecessors, (79), 29 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-09 05:28:49,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 403 transitions. [2024-11-09 05:28:49,222 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 403 transitions. Word has length 82 [2024-11-09 05:28:49,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:28:49,222 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 403 transitions. [2024-11-09 05:28:49,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.8) internal successors, (42), 14 states have internal predecessors, (42), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-09 05:28:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 403 transitions. [2024-11-09 05:28:49,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 05:28:49,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:28:49,226 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:28:49,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:28:49,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:28:49,431 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:28:49,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:28:49,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1819546474, now seen corresponding path program 1 times [2024-11-09 05:28:49,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:28:49,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172963576] [2024-11-09 05:28:49,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:28:49,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:28:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:28:49,632 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:28:49,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:28:49,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172963576] [2024-11-09 05:28:49,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172963576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:28:49,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:28:49,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:28:49,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048685437] [2024-11-09 05:28:49,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:28:49,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:28:49,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:28:49,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:28:49,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:28:49,640 INFO L87 Difference]: Start difference. First operand 289 states and 403 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:28:49,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:28:49,957 INFO L93 Difference]: Finished difference Result 681 states and 986 transitions. [2024-11-09 05:28:49,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:28:49,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 87 [2024-11-09 05:28:49,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:28:49,962 INFO L225 Difference]: With dead ends: 681 [2024-11-09 05:28:49,962 INFO L226 Difference]: Without dead ends: 416 [2024-11-09 05:28:49,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:28:49,965 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 57 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:28:49,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 496 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:28:49,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-09 05:28:50,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 411. [2024-11-09 05:28:50,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 271 states have (on average 1.4243542435424354) internal successors, (386), 275 states have internal predecessors, (386), 110 states have call successors, (110), 29 states have call predecessors, (110), 29 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-09 05:28:50,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 605 transitions. [2024-11-09 05:28:50,100 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 605 transitions. Word has length 87 [2024-11-09 05:28:50,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:28:50,101 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 605 transitions. [2024-11-09 05:28:50,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:28:50,101 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 605 transitions. [2024-11-09 05:28:50,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 05:28:50,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:28:50,105 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:28:50,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:28:50,105 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:28:50,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:28:50,106 INFO L85 PathProgramCache]: Analyzing trace with hash -982133928, now seen corresponding path program 1 times [2024-11-09 05:28:50,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:28:50,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789268102] [2024-11-09 05:28:50,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:28:50,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:28:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:28:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:28:50,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:28:50,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789268102] [2024-11-09 05:28:50,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789268102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:28:50,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534114282] [2024-11-09 05:28:50,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:28:50,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:28:50,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:28:50,318 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:28:50,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:28:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:28:50,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:28:50,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:28:50,869 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:28:50,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:28:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:28:50,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534114282] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:28:50,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1488053431] [2024-11-09 05:28:50,995 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2024-11-09 05:28:50,995 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:28:50,996 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:28:50,997 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:28:50,997 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:29:40,352 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:29:40,516 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 246 for LOIs [2024-11-09 05:29:40,880 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:30:54,350 WARN L286 SmtUtils]: Spent 13.12s 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 05:31:08,364 WARN L286 SmtUtils]: Spent 12.65s on a formula simplification. DAG size of input: 458 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:31:22,921 WARN L286 SmtUtils]: Spent 13.15s on a formula simplification. DAG size of input: 462 DAG size of output: 461 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:31:39,123 WARN L286 SmtUtils]: Spent 13.04s on a formula simplification. DAG size of input: 462 DAG size of output: 461 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:31:55,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1488053431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:31:55,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:31:55,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 05:31:55,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277082455] [2024-11-09 05:31:55,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:31:55,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:31:55,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:31:55,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:31:55,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:31:55,307 INFO L87 Difference]: Start difference. First operand 411 states and 605 transitions. Second operand has 26 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 16 states have internal predecessors, (45), 8 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-09 05:32:08,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:32:08,611 INFO L93 Difference]: Finished difference Result 832 states and 1253 transitions. [2024-11-09 05:32:08,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 05:32:08,612 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 16 states have internal predecessors, (45), 8 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) Word has length 88 [2024-11-09 05:32:08,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:32:08,616 INFO L225 Difference]: With dead ends: 832 [2024-11-09 05:32:08,616 INFO L226 Difference]: Without dead ends: 484 [2024-11-09 05:32:08,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 235 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 134.4s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:32:08,619 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 64 mSDsluCounter, 3323 mSDsCounter, 0 mSdLazyCounter, 2412 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 3552 SdHoareTripleChecker+Invalid, 2420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:32:08,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 3552 Invalid, 2420 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2412 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2024-11-09 05:32:08,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-09 05:32:08,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 425. [2024-11-09 05:32:08,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 283 states have (on average 1.4240282685512367) internal successors, (403), 287 states have internal predecessors, (403), 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 05:32:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 624 transitions. [2024-11-09 05:32:08,748 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 624 transitions. Word has length 88 [2024-11-09 05:32:08,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:32:08,749 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 624 transitions. [2024-11-09 05:32:08,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 16 states have internal predecessors, (45), 8 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-09 05:32:08,750 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 624 transitions. [2024-11-09 05:32:08,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 05:32:08,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:32:08,753 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:32:08,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 05:32:08,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 05:32:08,954 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:32:08,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:32:08,955 INFO L85 PathProgramCache]: Analyzing trace with hash -2071336972, now seen corresponding path program 1 times [2024-11-09 05:32:08,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:32:08,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234716216] [2024-11-09 05:32:08,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:32:08,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:32:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:32:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:32:09,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:32:09,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234716216] [2024-11-09 05:32:09,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234716216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:32:09,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538637732] [2024-11-09 05:32:09,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:32:09,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:32:09,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:32:09,206 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:32:09,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:32:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:32:09,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:32:09,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:32:09,803 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:32:09,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:32:09,932 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:32:09,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538637732] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:32:09,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1319034291] [2024-11-09 05:32:09,941 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2024-11-09 05:32:09,941 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:32:09,941 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:32:09,946 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:32:09,946 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:33:41,329 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:33:41,480 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 486 for LOIs [2024-11-09 05:33:42,644 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 495 for LOIs [2024-11-09 05:33:44,110 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 431 for LOIs [2024-11-09 05:33:44,508 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 05:33:44,659 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:34:53,719 WARN L286 SmtUtils]: Spent 7.08s 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 05:35:00,729 WARN L286 SmtUtils]: Spent 6.66s on a formula simplification. DAG size of input: 517 DAG size of output: 508 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:35:23,333 WARN L286 SmtUtils]: Spent 5.95s 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 05:35:29,929 WARN L286 SmtUtils]: Spent 5.83s 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 05:35:35,970 WARN L286 SmtUtils]: Spent 5.58s 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 05:35:42,016 WARN L286 SmtUtils]: Spent 5.53s 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 05:35:47,937 WARN L286 SmtUtils]: Spent 5.28s 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 05:35:53,478 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:35:59,050 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:36:04,734 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 482 DAG size of output: 478 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:36:04,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1319034291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:04,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:36:04,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 05:36:04,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50189180] [2024-11-09 05:36:04,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:04,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:36:04,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:04,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:36:04,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 05:36:04,740 INFO L87 Difference]: Start difference. First operand 425 states and 624 transitions. Second operand has 33 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 states have internal predecessors, (45), 10 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2024-11-09 05:36:25,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:25,273 INFO L93 Difference]: Finished difference Result 857 states and 1288 transitions. [2024-11-09 05:36:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 05:36:25,274 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 states have internal predecessors, (45), 10 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) Word has length 91 [2024-11-09 05:36:25,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:25,278 INFO L225 Difference]: With dead ends: 857 [2024-11-09 05:36:25,278 INFO L226 Difference]: Without dead ends: 509 [2024-11-09 05:36:25,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 140.1s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 05:36:25,281 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 52 mSDsluCounter, 4163 mSDsCounter, 0 mSdLazyCounter, 3739 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 4387 SdHoareTripleChecker+Invalid, 3748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:25,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 4387 Invalid, 3748 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3739 Invalid, 0 Unknown, 0 Unchecked, 20.2s Time] [2024-11-09 05:36:25,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-09 05:36:25,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 461. [2024-11-09 05:36:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 313 states have (on average 1.4217252396166133) internal successors, (445), 317 states have internal predecessors, (445), 114 states have call successors, (114), 33 states have call predecessors, (114), 33 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-09 05:36:25,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 672 transitions. [2024-11-09 05:36:25,428 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 672 transitions. Word has length 91 [2024-11-09 05:36:25,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:25,429 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 672 transitions. [2024-11-09 05:36:25,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 states have internal predecessors, (45), 10 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2024-11-09 05:36:25,429 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 672 transitions. [2024-11-09 05:36:25,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 05:36:25,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:25,432 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:25,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:36:25,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-09 05:36:25,636 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:36:25,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:25,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1189814661, now seen corresponding path program 1 times [2024-11-09 05:36:25,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:25,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822923478] [2024-11-09 05:36:25,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:25,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:25,851 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:36:25,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:25,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822923478] [2024-11-09 05:36:25,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822923478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:36:25,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25905509] [2024-11-09 05:36:25,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:25,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:25,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:36:25,859 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:36:25,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:36:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:26,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:36:26,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:36:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:36:26,311 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:36:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:36:26,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25905509] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:36:26,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1662689883] [2024-11-09 05:36:26,408 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2024-11-09 05:36:26,409 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:36:26,409 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:36:26,409 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:36:26,409 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:37:04,225 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:37:04,385 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 05:37:04,510 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:38:29,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1662689883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:29,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:38:29,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 05:38:29,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226707920] [2024-11-09 05:38:29,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:29,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 05:38:29,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:29,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 05:38:29,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:38:29,081 INFO L87 Difference]: Start difference. First operand 461 states and 672 transitions. Second operand has 27 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-09 05:38:39,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:39,403 INFO L93 Difference]: Finished difference Result 858 states and 1277 transitions. [2024-11-09 05:38:39,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 05:38:39,404 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) Word has length 90 [2024-11-09 05:38:39,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:39,407 INFO L225 Difference]: With dead ends: 858 [2024-11-09 05:38:39,408 INFO L226 Difference]: Without dead ends: 510 [2024-11-09 05:38:39,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 84.6s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:38:39,410 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 18 mSDsluCounter, 3584 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3803 SdHoareTripleChecker+Invalid, 2342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:39,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3803 Invalid, 2342 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2334 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2024-11-09 05:38:39,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-09 05:38:39,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 481. [2024-11-09 05:38:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 333 states have (on average 1.4264264264264264) internal successors, (475), 337 states have internal predecessors, (475), 114 states have call successors, (114), 33 states have call predecessors, (114), 33 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-09 05:38:39,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 702 transitions. [2024-11-09 05:38:39,567 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 702 transitions. Word has length 90 [2024-11-09 05:38:39,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:39,567 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 702 transitions. [2024-11-09 05:38:39,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-09 05:38:39,568 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 702 transitions. [2024-11-09 05:38:39,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 05:38:39,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:39,570 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] [2024-11-09 05:38:39,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:38:39,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:38:39,771 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:39,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:39,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1262917595, now seen corresponding path program 1 times [2024-11-09 05:38:39,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:39,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972904987] [2024-11-09 05:38:39,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:39,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:41,459 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 05:38:41,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:41,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972904987] [2024-11-09 05:38:41,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972904987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:41,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:41,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-09 05:38:41,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449135807] [2024-11-09 05:38:41,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:41,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 05:38:41,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:41,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 05:38:41,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2024-11-09 05:38:41,462 INFO L87 Difference]: Start difference. First operand 481 states and 702 transitions. Second operand has 22 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 9 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-09 05:38:43,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:43,493 INFO L93 Difference]: Finished difference Result 565 states and 824 transitions. [2024-11-09 05:38:43,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 05:38:43,493 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 9 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) Word has length 93 [2024-11-09 05:38:43,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:43,498 INFO L225 Difference]: With dead ends: 565 [2024-11-09 05:38:43,498 INFO L226 Difference]: Without dead ends: 562 [2024-11-09 05:38:43,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=153, Invalid=1179, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 05:38:43,502 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 176 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 2449 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 2419 SdHoareTripleChecker+Invalid, 2473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:43,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 2419 Invalid, 2473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2449 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:38:43,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-09 05:38:43,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 561. [2024-11-09 05:38:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 377 states have (on average 1.403183023872679) internal successors, (529), 384 states have internal predecessors, (529), 146 states have call successors, (146), 38 states have call predecessors, (146), 37 states have return successors, (143), 142 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-09 05:38:43,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 818 transitions. [2024-11-09 05:38:43,731 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 818 transitions. Word has length 93 [2024-11-09 05:38:43,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:43,732 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 818 transitions. [2024-11-09 05:38:43,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 9 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-09 05:38:43,733 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 818 transitions. [2024-11-09 05:38:43,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 05:38:43,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:43,738 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:43,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:38:43,741 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:43,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:43,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1787077111, now seen corresponding path program 1 times [2024-11-09 05:38:43,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:43,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518412092] [2024-11-09 05:38:43,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:43,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:44,172 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 05:38:44,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:44,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518412092] [2024-11-09 05:38:44,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518412092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:44,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:44,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:38:44,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131692992] [2024-11-09 05:38:44,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:44,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:38:44,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:44,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:38:44,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:38:44,174 INFO L87 Difference]: Start difference. First operand 561 states and 818 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 4 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-09 05:38:45,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:45,090 INFO L93 Difference]: Finished difference Result 781 states and 1085 transitions. [2024-11-09 05:38:45,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:38:45,091 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 4 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 155 [2024-11-09 05:38:45,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:45,097 INFO L225 Difference]: With dead ends: 781 [2024-11-09 05:38:45,097 INFO L226 Difference]: Without dead ends: 664 [2024-11-09 05:38:45,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:38:45,099 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 260 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:45,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 468 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 05:38:45,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2024-11-09 05:38:45,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 657. [2024-11-09 05:38:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 429 states have (on average 1.3752913752913754) internal successors, (590), 440 states have internal predecessors, (590), 172 states have call successors, (172), 55 states have call predecessors, (172), 55 states have return successors, (171), 167 states have call predecessors, (171), 169 states have call successors, (171) [2024-11-09 05:38:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 933 transitions. [2024-11-09 05:38:45,334 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 933 transitions. Word has length 155 [2024-11-09 05:38:45,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:45,334 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 933 transitions. [2024-11-09 05:38:45,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 4 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-09 05:38:45,335 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 933 transitions. [2024-11-09 05:38:45,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-09 05:38:45,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:45,339 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:45,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:38:45,340 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:45,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:45,340 INFO L85 PathProgramCache]: Analyzing trace with hash -85131436, now seen corresponding path program 1 times [2024-11-09 05:38:45,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:45,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746432530] [2024-11-09 05:38:45,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:45,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:46,724 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 05:38:46,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:46,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746432530] [2024-11-09 05:38:46,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746432530] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:38:46,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119080840] [2024-11-09 05:38:46,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:46,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:38:46,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:38:46,728 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:38:46,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6173cac4-dd41-4fa2-a3da-52b7487de96b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:38:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:47,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 1401 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:38:47,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:38:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-09 05:38:47,309 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:38:47,584 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-09 05:38:47,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119080840] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:38:47,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [195341557] [2024-11-09 05:38:47,588 INFO L159 IcfgInterpreter]: Started Sifa with 106 locations of interest [2024-11-09 05:38:47,588 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:38:47,589 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:38:47,589 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:38:47,589 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:39:24,240 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:39:24,355 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 442 for LOIs [2024-11-09 05:39:25,553 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:39:49,928 WARN L286 SmtUtils]: Spent 7.39s 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 05:40:01,369 WARN L286 SmtUtils]: Spent 10.71s on a formula simplification. DAG size of input: 466 DAG size of output: 461 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)