./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2 --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 71f8755187e6ba7ba58a893461c08a19c806970ccaa90de1a74095d8e9221b58 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:21:15,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:21:15,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:21:16,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:21:16,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:21:16,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:21:16,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:21:16,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:21:16,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:21:16,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:21:16,051 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:21:16,051 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:21:16,052 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:21:16,052 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:21:16,054 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:21:16,055 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:21:16,055 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:21:16,055 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:21:16,056 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:21:16,056 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:21:16,056 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:21:16,061 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:21:16,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:21:16,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:21:16,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:21:16,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:21:16,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:21:16,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:21:16,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:21:16,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:21:16,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:21:16,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:21:16,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:21:16,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:21:16,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:21:16,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:21:16,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:21:16,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:21:16,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:21:16,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:21:16,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:21:16,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:21:16,073 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:21:16,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:21:16,074 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:21:16,074 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:21:16,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:21:16,074 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_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71f8755187e6ba7ba58a893461c08a19c806970ccaa90de1a74095d8e9221b58 [2024-11-02 11:21:16,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:21:16,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:21:16,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:21:16,459 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:21:16,460 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:21:16,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/product-lines/email_spec4_product29.cil.c Unable to find full path for "g++" [2024-11-02 11:21:18,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:21:19,199 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:21:19,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/sv-benchmarks/c/product-lines/email_spec4_product29.cil.c [2024-11-02 11:21:19,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/data/bc267d492/8da5cfbef50240f5a9f7363ea4b8e868/FLAG49fb17731 [2024-11-02 11:21:19,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/data/bc267d492/8da5cfbef50240f5a9f7363ea4b8e868 [2024-11-02 11:21:19,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:21:19,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:21:19,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:21:19,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:21:19,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:21:19,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:21:19" (1/1) ... [2024-11-02 11:21:19,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15037265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:19, skipping insertion in model container [2024-11-02 11:21:19,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:21:19" (1/1) ... [2024-11-02 11:21:19,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:21:20,082 WARN L251 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_b5d00466-fedd-4411-8ab4-5fdadf370340/sv-benchmarks/c/product-lines/email_spec4_product29.cil.c[58438,58451] [2024-11-02 11:21:20,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:21:20,169 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:21:20,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-02 11:21:20,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [368] [2024-11-02 11:21:20,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [734] [2024-11-02 11:21:20,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [882] [2024-11-02 11:21:20,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1952] [2024-11-02 11:21:20,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1987] [2024-11-02 11:21:20,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2004] [2024-11-02 11:21:20,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2406] [2024-11-02 11:21:20,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2622] [2024-11-02 11:21:20,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2631] [2024-11-02 11:21:20,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2658] [2024-11-02 11:21:20,371 WARN L251 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_b5d00466-fedd-4411-8ab4-5fdadf370340/sv-benchmarks/c/product-lines/email_spec4_product29.cil.c[58438,58451] [2024-11-02 11:21:20,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:21:20,426 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:21:20,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:20 WrapperNode [2024-11-02 11:21:20,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:21:20,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:21:20,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:21:20,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:21:20,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:20" (1/1) ... [2024-11-02 11:21:20,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:20" (1/1) ... [2024-11-02 11:21:20,525 INFO L138 Inliner]: procedures = 131, calls = 211, calls flagged for inlining = 55, calls inlined = 47, statements flattened = 926 [2024-11-02 11:21:20,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:21:20,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:21:20,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:21:20,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:21:20,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:20" (1/1) ... [2024-11-02 11:21:20,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:20" (1/1) ... [2024-11-02 11:21:20,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:20" (1/1) ... [2024-11-02 11:21:20,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:20" (1/1) ... [2024-11-02 11:21:20,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:20" (1/1) ... [2024-11-02 11:21:20,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:20" (1/1) ... [2024-11-02 11:21:20,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:20" (1/1) ... [2024-11-02 11:21:20,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:20" (1/1) ... [2024-11-02 11:21:20,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:21:20,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:21:20,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:21:20,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:21:20,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:20" (1/1) ... [2024-11-02 11:21:20,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:21:20,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:21:20,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:21:20,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:21:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-02 11:21:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-02 11:21:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-02 11:21:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-02 11:21:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-02 11:21:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-02 11:21:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-02 11:21:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-02 11:21:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-02 11:21:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-02 11:21:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-02 11:21:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-02 11:21:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-02 11:21:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-02 11:21:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-02 11:21:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-02 11:21:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-02 11:21:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-02 11:21:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-02 11:21:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-02 11:21:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-02 11:21:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-02 11:21:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-02 11:21:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-02 11:21:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-02 11:21:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-02 11:21:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-02 11:21:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-02 11:21:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:21:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-02 11:21:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-02 11:21:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-02 11:21:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-02 11:21:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-02 11:21:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-02 11:21:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-02 11:21:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-02 11:21:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-02 11:21:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-02 11:21:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-02 11:21:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-02 11:21:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-02 11:21:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-02 11:21:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-02 11:21:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-02 11:21:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-02 11:21:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-02 11:21:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-02 11:21:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-02 11:21:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-02 11:21:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-02 11:21:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-02 11:21:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-02 11:21:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:21:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-02 11:21:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-02 11:21:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-02 11:21:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-02 11:21:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:21:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:21:21,145 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:21:21,157 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:21:22,529 INFO L? ?]: Removed 503 outVars from TransFormulas that were not future-live. [2024-11-02 11:21:22,529 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:21:23,386 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:21:23,387 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:21:23,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:21:23 BoogieIcfgContainer [2024-11-02 11:21:23,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:21:23,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:21:23,390 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:21:23,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:21:23,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:21:19" (1/3) ... [2024-11-02 11:21:23,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172e923a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:21:23, skipping insertion in model container [2024-11-02 11:21:23,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:20" (2/3) ... [2024-11-02 11:21:23,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172e923a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:21:23, skipping insertion in model container [2024-11-02 11:21:23,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:21:23" (3/3) ... [2024-11-02 11:21:23,398 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product29.cil.c [2024-11-02 11:21:23,417 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:21:23,417 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:21:23,507 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:21:23,518 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;@606326c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:21:23,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:21:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 213 states, 120 states have (on average 1.3083333333333333) internal successors, (157), 125 states have internal predecessors, (157), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-02 11:21:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-02 11:21:23,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:21:23,537 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] [2024-11-02 11:21:23,538 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:21:23,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:21:23,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1755618880, now seen corresponding path program 1 times [2024-11-02 11:21:23,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:21:23,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179852815] [2024-11-02 11:21:23,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:23,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:21:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:21:24,002 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-02 11:21:24,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:21:24,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179852815] [2024-11-02 11:21:24,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179852815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:21:24,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:21:24,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:21:24,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730418348] [2024-11-02 11:21:24,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:21:24,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 11:21:24,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:21:24,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 11:21:24,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:21:24,050 INFO L87 Difference]: Start difference. First operand has 213 states, 120 states have (on average 1.3083333333333333) internal successors, (157), 125 states have internal predecessors, (157), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) 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) [2024-11-02 11:21:24,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:21:24,242 INFO L93 Difference]: Finished difference Result 334 states and 437 transitions. [2024-11-02 11:21:24,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 11:21:24,244 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 [2024-11-02 11:21:24,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:21:24,263 INFO L225 Difference]: With dead ends: 334 [2024-11-02 11:21:24,263 INFO L226 Difference]: Without dead ends: 210 [2024-11-02 11:21:24,268 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 [2024-11-02 11:21:24,275 INFO L432 NwaCegarLoop]: 242 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, 242 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:21:24,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 242 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:21:24,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-02 11:21:24,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-02 11:21:24,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 118 states have (on average 1.2796610169491525) internal successors, (151), 122 states have internal predecessors, (151), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-02 11:21:24,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 276 transitions. [2024-11-02 11:21:24,368 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 276 transitions. Word has length 75 [2024-11-02 11:21:24,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:21:24,371 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 276 transitions. [2024-11-02 11:21:24,371 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) [2024-11-02 11:21:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 276 transitions. [2024-11-02 11:21:24,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-02 11:21:24,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:21:24,375 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] [2024-11-02 11:21:24,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:21:24,376 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:21:24,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:21:24,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1427965294, now seen corresponding path program 1 times [2024-11-02 11:21:24,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:21:24,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52488774] [2024-11-02 11:21:24,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:24,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:21:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:21:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-02 11:21:24,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:21:24,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52488774] [2024-11-02 11:21:24,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52488774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:21:24,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:21:24,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:21:24,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523148156] [2024-11-02 11:21:24,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:21:24,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:21:24,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:21:24,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:21:24,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:21:24,768 INFO L87 Difference]: Start difference. First operand 210 states and 276 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) [2024-11-02 11:21:24,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:21:24,966 INFO L93 Difference]: Finished difference Result 330 states and 422 transitions. [2024-11-02 11:21:24,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:21:24,967 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 [2024-11-02 11:21:24,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:21:24,970 INFO L225 Difference]: With dead ends: 330 [2024-11-02 11:21:24,972 INFO L226 Difference]: Without dead ends: 212 [2024-11-02 11:21:24,977 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 [2024-11-02 11:21:24,978 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 0 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 11:21:24,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 477 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 11:21:24,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-02 11:21:24,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-11-02 11:21:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 120 states have (on average 1.275) internal successors, (153), 124 states have internal predecessors, (153), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-02 11:21:25,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 278 transitions. [2024-11-02 11:21:25,004 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 278 transitions. Word has length 76 [2024-11-02 11:21:25,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:21:25,005 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 278 transitions. [2024-11-02 11:21:25,005 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) [2024-11-02 11:21:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 278 transitions. [2024-11-02 11:21:25,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-02 11:21:25,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:21:25,008 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] [2024-11-02 11:21:25,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 11:21:25,009 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:21:25,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:21:25,010 INFO L85 PathProgramCache]: Analyzing trace with hash 12294671, now seen corresponding path program 1 times [2024-11-02 11:21:25,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:21:25,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678387598] [2024-11-02 11:21:25,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:25,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:21:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:21:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-02 11:21:25,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:21:25,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678387598] [2024-11-02 11:21:25,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678387598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:21:25,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:21:25,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:21:25,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603201610] [2024-11-02 11:21:25,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:21:25,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:21:25,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:21:25,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:21:25,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:21:25,184 INFO L87 Difference]: Start difference. First operand 212 states and 278 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) [2024-11-02 11:21:25,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:21:25,381 INFO L93 Difference]: Finished difference Result 459 states and 623 transitions. [2024-11-02 11:21:25,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:21:25,382 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 [2024-11-02 11:21:25,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:21:25,385 INFO L225 Difference]: With dead ends: 459 [2024-11-02 11:21:25,385 INFO L226 Difference]: Without dead ends: 265 [2024-11-02 11:21:25,387 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 [2024-11-02 11:21:25,388 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 59 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 483 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 [2024-11-02 11:21:25,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 483 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 11:21:25,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-02 11:21:25,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 260. [2024-11-02 11:21:25,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 154 states have (on average 1.3506493506493507) internal successors, (208), 158 states have internal predecessors, (208), 77 states have call successors, (77), 28 states have call predecessors, (77), 28 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-02 11:21:25,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 361 transitions. [2024-11-02 11:21:25,425 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 361 transitions. Word has length 81 [2024-11-02 11:21:25,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:21:25,427 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 361 transitions. [2024-11-02 11:21:25,427 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) [2024-11-02 11:21:25,428 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 361 transitions. [2024-11-02 11:21:25,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-02 11:21:25,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:21:25,431 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] [2024-11-02 11:21:25,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 11:21:25,435 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:21:25,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:21:25,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1436991982, now seen corresponding path program 1 times [2024-11-02 11:21:25,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:21:25,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416859260] [2024-11-02 11:21:25,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:25,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:21:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:21:25,847 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-02 11:21:25,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:21:25,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416859260] [2024-11-02 11:21:25,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416859260] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 11:21:25,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545638702] [2024-11-02 11:21:25,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:25,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:21:25,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:21:25,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:21:25,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d00466-fedd-4411-8ab4-5fdadf370340/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 11:21:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:21:26,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 11:21:26,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:21:26,470 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-02 11:21:26,470 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 11:21:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-02 11:21:26,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545638702] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 11:21:26,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [962697961] [2024-11-02 11:21:26,648 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2024-11-02 11:21:26,649 INFO L166 IcfgInterpreter]: Building call graph [2024-11-02 11:21:26,653 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-02 11:21:26,659 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-02 11:21:26,661 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs