./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire --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 aa31ba7b6b6c5a20100c4ed7bd6bb53a6560ae9fc8557479e094a44cc1bad058 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:10,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:10,852 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:23:10,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:10,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:10,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:10,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:10,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:10,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:10,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:10,887 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:10,888 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:10,889 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:10,889 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:10,890 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:10,890 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:10,891 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:10,891 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:10,892 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:10,893 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:10,893 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:10,894 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:10,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:10,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:10,896 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:10,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:10,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:10,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:10,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:10,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:10,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:10,899 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:10,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:10,900 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:10,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:10,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:10,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:10,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:10,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:10,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:10,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:10,903 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:10,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:10,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:10,904 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:10,905 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:10,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:10,905 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_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa31ba7b6b6c5a20100c4ed7bd6bb53a6560ae9fc8557479e094a44cc1bad058 [2023-11-23 21:23:11,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:11,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:11,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:11,208 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:11,209 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:11,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/email_spec8_product31.cil.c [2023-11-23 21:23:14,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:14,779 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:14,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/sv-benchmarks/c/product-lines/email_spec8_product31.cil.c [2023-11-23 21:23:14,821 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/data/544f4605d/6cc8352b380e4dc28053dcd0c7198f0b/FLAG0ab190f5c [2023-11-23 21:23:14,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/data/544f4605d/6cc8352b380e4dc28053dcd0c7198f0b [2023-11-23 21:23:14,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:14,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:14,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:14,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:14,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:14,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:14" (1/1) ... [2023-11-23 21:23:14,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5c363c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:14, skipping insertion in model container [2023-11-23 21:23:14,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:14" (1/1) ... [2023-11-23 21:23:14,971 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:15,410 WARN L240 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_328e6838-91ef-4f6b-94a5-3192cf162a0a/sv-benchmarks/c/product-lines/email_spec8_product31.cil.c[36672,36685] [2023-11-23 21:23:15,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:15,735 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:15,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2023-11-23 21:23:15,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1128] [2023-11-23 21:23:15,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1494] [2023-11-23 21:23:15,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1503] [2023-11-23 21:23:15,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1521] [2023-11-23 21:23:15,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1680] [2023-11-23 21:23:15,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2082] [2023-11-23 21:23:15,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2120] [2023-11-23 21:23:15,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2484] [2023-11-23 21:23:15,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2769] [2023-11-23 21:23:15,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [2985] [2023-11-23 21:23:15,797 WARN L240 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_328e6838-91ef-4f6b-94a5-3192cf162a0a/sv-benchmarks/c/product-lines/email_spec8_product31.cil.c[36672,36685] [2023-11-23 21:23:15,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:15,865 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:15,875 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:15,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15 WrapperNode [2023-11-23 21:23:15,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:15,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:15,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:15,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:15,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:15,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:15,991 INFO L138 Inliner]: procedures = 132, calls = 223, calls flagged for inlining = 62, calls inlined = 57, statements flattened = 1042 [2023-11-23 21:23:16,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:16,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:16,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:16,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:16,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:16,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:16,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:16,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:16,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:16,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:16,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:16,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:16,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:16,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:16,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:16,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:16,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:16,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:16,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:16,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:16,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-11-23 21:23:16,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-11-23 21:23:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-11-23 21:23:16,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-11-23 21:23:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-11-23 21:23:16,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-11-23 21:23:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-11-23 21:23:16,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-11-23 21:23:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-11-23 21:23:16,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-11-23 21:23:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-11-23 21:23:16,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-11-23 21:23:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-11-23 21:23:16,182 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-11-23 21:23:16,182 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-11-23 21:23:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-11-23 21:23:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-11-23 21:23:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-11-23 21:23:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-11-23 21:23:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-11-23 21:23:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-23 21:23:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-11-23 21:23:16,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-11-23 21:23:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-11-23 21:23:16,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-11-23 21:23:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-11-23 21:23:16,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-11-23 21:23:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-11-23 21:23:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-11-23 21:23:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-11-23 21:23:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-11-23 21:23:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-11-23 21:23:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-11-23 21:23:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-11-23 21:23:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-11-23 21:23:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-11-23 21:23:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-11-23 21:23:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-11-23 21:23:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-11-23 21:23:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-11-23 21:23:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-11-23 21:23:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-11-23 21:23:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-11-23 21:23:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-11-23 21:23:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-11-23 21:23:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-11-23 21:23:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-11-23 21:23:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:16,417 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:16,420 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:17,339 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:17,910 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:17,911 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:17,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:17 BoogieIcfgContainer [2023-11-23 21:23:17,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:17,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:17,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:17,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:17,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:14" (1/3) ... [2023-11-23 21:23:17,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b962a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:17, skipping insertion in model container [2023-11-23 21:23:17,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (2/3) ... [2023-11-23 21:23:17,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b962a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:17, skipping insertion in model container [2023-11-23 21:23:17,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:17" (3/3) ... [2023-11-23 21:23:17,925 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product31.cil.c [2023-11-23 21:23:17,949 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:17,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:18,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:18,020 INFO L357 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, mHoare=true, 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;@122be35a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:18,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:18,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 201 states, 117 states have (on average 1.3162393162393162) internal successors, (154), 121 states have internal predecessors, (154), 59 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2023-11-23 21:23:18,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 21:23:18,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:18,040 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-23 21:23:18,041 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:18,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:18,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1981814576, now seen corresponding path program 1 times [2023-11-23 21:23:18,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:18,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860028030] [2023-11-23 21:23:18,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:18,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 21:23:18,549 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:18,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860028030] [2023-11-23 21:23:18,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860028030] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:18,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:18,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:23:18,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190206872] [2023-11-23 21:23:18,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:18,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:23:18,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:18,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:23:18,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:18,606 INFO L87 Difference]: Start difference. First operand has 201 states, 117 states have (on average 1.3162393162393162) internal successors, (154), 121 states have internal predecessors, (154), 59 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:23:18,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:18,788 INFO L93 Difference]: Finished difference Result 319 states and 422 transitions. [2023-11-23 21:23:18,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:23:18,792 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 64 [2023-11-23 21:23:18,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:18,806 INFO L225 Difference]: With dead ends: 319 [2023-11-23 21:23:18,807 INFO L226 Difference]: Without dead ends: 198 [2023-11-23 21:23:18,817 INFO L412 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 [2023-11-23 21:23:18,823 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:18,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:23:18,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-11-23 21:23:18,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2023-11-23 21:23:18,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 115 states have (on average 1.2869565217391303) internal successors, (148), 118 states have internal predecessors, (148), 59 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-23 21:23:18,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 265 transitions. [2023-11-23 21:23:18,890 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 265 transitions. Word has length 64 [2023-11-23 21:23:18,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:18,892 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 265 transitions. [2023-11-23 21:23:18,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:23:18,893 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 265 transitions. [2023-11-23 21:23:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 21:23:18,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:18,898 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-23 21:23:18,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:23:18,898 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:18,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:18,899 INFO L85 PathProgramCache]: Analyzing trace with hash -463104475, now seen corresponding path program 1 times [2023-11-23 21:23:18,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:18,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196329864] [2023-11-23 21:23:18,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:18,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 21:23:19,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:19,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196329864] [2023-11-23 21:23:19,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196329864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:19,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:19,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:19,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848372752] [2023-11-23 21:23:19,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:19,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:19,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:19,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:19,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:19,266 INFO L87 Difference]: Start difference. First operand 198 states and 265 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:23:19,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:19,471 INFO L93 Difference]: Finished difference Result 315 states and 410 transitions. [2023-11-23 21:23:19,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:19,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 65 [2023-11-23 21:23:19,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:19,480 INFO L225 Difference]: With dead ends: 315 [2023-11-23 21:23:19,481 INFO L226 Difference]: Without dead ends: 200 [2023-11-23 21:23:19,482 INFO L412 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 [2023-11-23 21:23:19,483 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 0 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:19,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 455 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:23:19,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2023-11-23 21:23:19,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2023-11-23 21:23:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 117 states have (on average 1.2820512820512822) internal successors, (150), 120 states have internal predecessors, (150), 59 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-23 21:23:19,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 267 transitions. [2023-11-23 21:23:19,536 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 267 transitions. Word has length 65 [2023-11-23 21:23:19,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:19,537 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 267 transitions. [2023-11-23 21:23:19,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:23:19,537 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 267 transitions. [2023-11-23 21:23:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 21:23:19,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:19,551 INFO L195 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] [2023-11-23 21:23:19,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:23:19,551 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:19,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:19,552 INFO L85 PathProgramCache]: Analyzing trace with hash -990769538, now seen corresponding path program 1 times [2023-11-23 21:23:19,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:19,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834551646] [2023-11-23 21:23:19,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:19,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:19,777 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 21:23:19,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:19,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834551646] [2023-11-23 21:23:19,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834551646] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:19,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:19,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:19,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655993764] [2023-11-23 21:23:19,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:19,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:19,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:19,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:19,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:19,783 INFO L87 Difference]: Start difference. First operand 200 states and 267 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:23:19,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:19,986 INFO L93 Difference]: Finished difference Result 430 states and 593 transitions. [2023-11-23 21:23:19,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:19,987 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 70 [2023-11-23 21:23:19,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:19,990 INFO L225 Difference]: With dead ends: 430 [2023-11-23 21:23:19,990 INFO L226 Difference]: Without dead ends: 248 [2023-11-23 21:23:19,992 INFO L412 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 [2023-11-23 21:23:19,993 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 57 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:19,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 465 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:23:19,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-11-23 21:23:20,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 243. [2023-11-23 21:23:20,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 149 states have (on average 1.3624161073825503) internal successors, (203), 152 states have internal predecessors, (203), 70 states have call successors, (70), 23 states have call predecessors, (70), 23 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-23 21:23:20,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 342 transitions. [2023-11-23 21:23:20,023 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 342 transitions. Word has length 70 [2023-11-23 21:23:20,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:20,023 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 342 transitions. [2023-11-23 21:23:20,024 INFO L496 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:23:20,024 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 342 transitions. [2023-11-23 21:23:20,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 21:23:20,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:20,028 INFO L195 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] [2023-11-23 21:23:20,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:23:20,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:20,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:20,029 INFO L85 PathProgramCache]: Analyzing trace with hash 2066313499, now seen corresponding path program 1 times [2023-11-23 21:23:20,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:20,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646766022] [2023-11-23 21:23:20,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:20,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:20,208 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 21:23:20,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:20,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646766022] [2023-11-23 21:23:20,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646766022] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:23:20,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656590084] [2023-11-23 21:23:20,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:20,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:20,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:20,214 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:20,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328e6838-91ef-4f6b-94a5-3192cf162a0a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:23:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:20,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:23:20,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:20,703 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 21:23:20,704 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:20,799 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 21:23:20,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656590084] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:20,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [834358973] [2023-11-23 21:23:20,832 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2023-11-23 21:23:20,833 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:23:20,841 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:23:20,848 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:23:20,849 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:24:14,244 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2023-11-23 21:24:14,452 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2023-11-23 21:24:14,717 INFO L180 IcfgInterpreter]: Interpretation finished