./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E --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 f1bf577a04d9efa22571cde3b0a4348a8cf7d4cfe89b0abb5b80fa76df1bbd4f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:05:38,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:05:38,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:05:38,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:05:38,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:05:38,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:05:38,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:05:38,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:05:38,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:05:38,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:05:38,384 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:05:38,384 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:05:38,385 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:05:38,385 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:05:38,385 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:05:38,385 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:05:38,385 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:05:38,385 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:05:38,386 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:05:38,386 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:05:38,386 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:05:38,386 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:05:38,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:05:38,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:05:38,387 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:05:38,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:05:38,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:05:38,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:05:38,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:05:38,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:05:38,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:05:38,389 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:05:38,389 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:05:38,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:05:38,389 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:05:38,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:05:38,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:05:38,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:05:38,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:05:38,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:05:38,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:05:38,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:05:38,391 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:05:38,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:05:38,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:05:38,392 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:05:38,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:05:38,392 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E 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 -> f1bf577a04d9efa22571cde3b0a4348a8cf7d4cfe89b0abb5b80fa76df1bbd4f [2024-11-14 05:05:38,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:05:38,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:05:38,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:05:38,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:05:38,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:05:38,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/email_spec7_product33.cil.c Unable to find full path for "g++" [2024-11-14 05:05:40,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:05:41,385 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:05:41,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/sv-benchmarks/c/product-lines/email_spec7_product33.cil.c [2024-11-14 05:05:41,407 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/data/48aed2306/ef9f27a24a6340f4b0d4ddcb6c5b4a46/FLAG32f2a92d5 [2024-11-14 05:05:41,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/data/48aed2306/ef9f27a24a6340f4b0d4ddcb6c5b4a46 [2024-11-14 05:05:41,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:05:41,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:05:41,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:05:41,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:05:41,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:05:41,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:05:41" (1/1) ... [2024-11-14 05:05:41,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9f7cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:41, skipping insertion in model container [2024-11-14 05:05:41,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:05:41" (1/1) ... [2024-11-14 05:05:41,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:05:41,978 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/sv-benchmarks/c/product-lines/email_spec7_product33.cil.c[20852,20865] [2024-11-14 05:05:42,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:05:42,182 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:05:42,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-11-14 05:05:42,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [208] [2024-11-14 05:05:42,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [574] [2024-11-14 05:05:42,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [593] [2024-11-14 05:05:42,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [908] [2024-11-14 05:05:42,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [943] [2024-11-14 05:05:42,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [952] [2024-11-14 05:05:42,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2023] [2024-11-14 05:05:42,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2242] [2024-11-14 05:05:42,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2633] [2024-11-14 05:05:42,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [3030] [2024-11-14 05:05:42,243 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/sv-benchmarks/c/product-lines/email_spec7_product33.cil.c[20852,20865] [2024-11-14 05:05:42,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:05:42,400 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:05:42,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:42 WrapperNode [2024-11-14 05:05:42,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:05:42,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:05:42,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:05:42,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:05:42,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:42" (1/1) ... [2024-11-14 05:05:42,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:42" (1/1) ... [2024-11-14 05:05:42,500 INFO L138 Inliner]: procedures = 134, calls = 211, calls flagged for inlining = 65, calls inlined = 60, statements flattened = 1067 [2024-11-14 05:05:42,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:05:42,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:05:42,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:05:42,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:05:42,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:42" (1/1) ... [2024-11-14 05:05:42,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:42" (1/1) ... [2024-11-14 05:05:42,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:42" (1/1) ... [2024-11-14 05:05:42,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:42" (1/1) ... [2024-11-14 05:05:42,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:42" (1/1) ... [2024-11-14 05:05:42,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:42" (1/1) ... [2024-11-14 05:05:42,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:42" (1/1) ... [2024-11-14 05:05:42,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:42" (1/1) ... [2024-11-14 05:05:42,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:05:42,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:05:42,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:05:42,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:05:42,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:42" (1/1) ... [2024-11-14 05:05:42,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:05:42,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:05:42,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:05:42,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:05:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-14 05:05:42,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-14 05:05:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-14 05:05:42,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-14 05:05:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-14 05:05:42,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-14 05:05:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-14 05:05:42,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-14 05:05:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-14 05:05:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-14 05:05:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-14 05:05:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-14 05:05:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-14 05:05:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-14 05:05:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-14 05:05:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-14 05:05:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-14 05:05:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-14 05:05:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-14 05:05:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-14 05:05:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-14 05:05:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-14 05:05:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-14 05:05:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-14 05:05:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-14 05:05:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-14 05:05:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:05:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-14 05:05:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-14 05:05:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-14 05:05:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-14 05:05:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-14 05:05:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-14 05:05:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-14 05:05:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-14 05:05:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-14 05:05:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-14 05:05:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-14 05:05:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-14 05:05:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-14 05:05:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-14 05:05:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-14 05:05:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-14 05:05:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-14 05:05:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-14 05:05:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-14 05:05:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-14 05:05:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:05:42,661 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-14 05:05:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-14 05:05:42,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:05:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:05:42,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:05:42,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:05:44,265 INFO L? ?]: Removed 497 outVars from TransFormulas that were not future-live. [2024-11-14 05:05:44,265 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:05:45,093 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:05:45,093 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:05:45,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:05:45 BoogieIcfgContainer [2024-11-14 05:05:45,094 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:05:45,097 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:05:45,097 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:05:45,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:05:45,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:05:41" (1/3) ... [2024-11-14 05:05:45,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ac21b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:05:45, skipping insertion in model container [2024-11-14 05:05:45,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:42" (2/3) ... [2024-11-14 05:05:45,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ac21b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:05:45, skipping insertion in model container [2024-11-14 05:05:45,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:05:45" (3/3) ... [2024-11-14 05:05:45,106 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product33.cil.c [2024-11-14 05:05:45,124 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:05:45,128 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec7_product33.cil.c that has 25 procedures, 209 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:05:45,208 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:05:45,226 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;@3a3c8805, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:05:45,227 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:05:45,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 121 states have (on average 1.3057851239669422) internal successors, (158), 125 states have internal predecessors, (158), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-14 05:05:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-14 05:05:45,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:05:45,248 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] [2024-11-14 05:05:45,249 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:05:45,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:05:45,255 INFO L85 PathProgramCache]: Analyzing trace with hash -808842757, now seen corresponding path program 1 times [2024-11-14 05:05:45,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:05:45,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77411965] [2024-11-14 05:05:45,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:05:45,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:05:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:05:45,760 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 05:05:45,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:05:45,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77411965] [2024-11-14 05:05:45,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77411965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:05:45,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:05:45,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:05:45,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207173433] [2024-11-14 05:05:45,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:05:45,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:05:45,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:05:45,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:05:45,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:05:45,792 INFO L87 Difference]: Start difference. First operand has 209 states, 121 states have (on average 1.3057851239669422) internal successors, (158), 125 states have internal predecessors, (158), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 05:05:45,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:05:45,986 INFO L93 Difference]: Finished difference Result 335 states and 442 transitions. [2024-11-14 05:05:45,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:05:45,989 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 77 [2024-11-14 05:05:45,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:05:45,999 INFO L225 Difference]: With dead ends: 335 [2024-11-14 05:05:45,999 INFO L226 Difference]: Without dead ends: 206 [2024-11-14 05:05:46,003 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 [2024-11-14 05:05:46,006 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:05:46,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 239 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:05:46,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-14 05:05:46,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-14 05:05:46,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 119 states have (on average 1.2773109243697478) internal successors, (152), 122 states have internal predecessors, (152), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-14 05:05:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 275 transitions. [2024-11-14 05:05:46,060 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 275 transitions. Word has length 77 [2024-11-14 05:05:46,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:05:46,061 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 275 transitions. [2024-11-14 05:05:46,062 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 05:05:46,062 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 275 transitions. [2024-11-14 05:05:46,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-14 05:05:46,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:05:46,065 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] [2024-11-14 05:05:46,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:05:46,066 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:05:46,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:05:46,066 INFO L85 PathProgramCache]: Analyzing trace with hash 411124782, now seen corresponding path program 1 times [2024-11-14 05:05:46,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:05:46,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484088191] [2024-11-14 05:05:46,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:05:46,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:05:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:05:46,459 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 05:05:46,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:05:46,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484088191] [2024-11-14 05:05:46,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484088191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:05:46,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:05:46,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:05:46,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473877890] [2024-11-14 05:05:46,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:05:46,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:05:46,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:05:46,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:05:46,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:05:46,467 INFO L87 Difference]: Start difference. First operand 206 states and 275 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 05:05:46,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:05:46,662 INFO L93 Difference]: Finished difference Result 331 states and 430 transitions. [2024-11-14 05:05:46,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:05:46,664 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 78 [2024-11-14 05:05:46,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:05:46,666 INFO L225 Difference]: With dead ends: 331 [2024-11-14 05:05:46,668 INFO L226 Difference]: Without dead ends: 208 [2024-11-14 05:05:46,670 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 [2024-11-14 05:05:46,671 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 0 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:05:46,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 471 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:05:46,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-14 05:05:46,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-11-14 05:05:46,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 121 states have (on average 1.2727272727272727) internal successors, (154), 124 states have internal predecessors, (154), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-14 05:05:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 277 transitions. [2024-11-14 05:05:46,710 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 277 transitions. Word has length 78 [2024-11-14 05:05:46,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:05:46,712 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 277 transitions. [2024-11-14 05:05:46,712 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 05:05:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 277 transitions. [2024-11-14 05:05:46,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-14 05:05:46,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:05:46,718 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:05:46,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:05:46,718 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:05:46,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:05:46,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1210397005, now seen corresponding path program 1 times [2024-11-14 05:05:46,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:05:46,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399485801] [2024-11-14 05:05:46,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:05:46,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:05:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:05:46,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 05:05:46,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:05:46,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399485801] [2024-11-14 05:05:46,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399485801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:05:46,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:05:46,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:05:46,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319470485] [2024-11-14 05:05:46,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:05:46,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:05:46,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:05:46,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:05:46,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:05:46,963 INFO L87 Difference]: Start difference. First operand 208 states and 277 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 05:05:47,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:05:47,148 INFO L93 Difference]: Finished difference Result 446 states and 613 transitions. [2024-11-14 05:05:47,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:05:47,149 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 83 [2024-11-14 05:05:47,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:05:47,152 INFO L225 Difference]: With dead ends: 446 [2024-11-14 05:05:47,156 INFO L226 Difference]: Without dead ends: 256 [2024-11-14 05:05:47,157 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 [2024-11-14 05:05:47,158 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 57 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:05:47,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 481 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:05:47,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-14 05:05:47,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 251. [2024-11-14 05:05:47,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 153 states have (on average 1.3529411764705883) internal successors, (207), 156 states have internal predecessors, (207), 73 states have call successors, (73), 24 states have call predecessors, (73), 24 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-14 05:05:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 352 transitions. [2024-11-14 05:05:47,200 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 352 transitions. Word has length 83 [2024-11-14 05:05:47,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:05:47,204 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 352 transitions. [2024-11-14 05:05:47,204 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 05:05:47,204 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 352 transitions. [2024-11-14 05:05:47,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-14 05:05:47,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:05:47,210 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:05:47,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:05:47,211 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:05:47,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:05:47,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1613338441, now seen corresponding path program 1 times [2024-11-14 05:05:47,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:05:47,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288092701] [2024-11-14 05:05:47,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:05:47,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:05:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:05:47,513 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 05:05:47,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:05:47,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288092701] [2024-11-14 05:05:47,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288092701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:05:47,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239120586] [2024-11-14 05:05:47,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:05:47,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:05:47,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:05:47,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:05:47,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:05:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:05:48,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:05:48,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:05:48,105 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 05:05:48,105 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:05:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 05:05:48,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239120586] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:05:48,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [726533482] [2024-11-14 05:05:48,286 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2024-11-14 05:05:48,286 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:05:48,290 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:05:48,294 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:05:48,295 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:06:16,754 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 05:06:16,961 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-14 05:06:17,219 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:07:17,162 WARN L286 SmtUtils]: Spent 10.30s on a formula simplification. DAG size of input: 456 DAG size of output: 456 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:07:30,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [726533482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:07:30,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:07:30,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-14 05:07:30,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105629522] [2024-11-14 05:07:30,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:07:30,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 05:07:30,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:07:30,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 05:07:30,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-14 05:07:30,012 INFO L87 Difference]: Start difference. First operand 251 states and 352 transitions. Second operand has 23 states, 15 states have (on average 2.8) internal successors, (42), 14 states have internal predecessors, (42), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-14 05:07:40,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:07:40,921 INFO L93 Difference]: Finished difference Result 516 states and 740 transitions. [2024-11-14 05:07:40,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-14 05:07:40,922 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.8) internal successors, (42), 14 states have internal predecessors, (42), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 84 [2024-11-14 05:07:40,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:07:40,924 INFO L225 Difference]: With dead ends: 516 [2024-11-14 05:07:40,924 INFO L226 Difference]: Without dead ends: 283 [2024-11-14 05:07:40,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 226 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 76.4s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2024-11-14 05:07:40,926 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 25 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 1548 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2666 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:07:40,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2666 Invalid, 1558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 1548 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-11-14 05:07:40,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-14 05:07:40,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 274. [2024-11-14 05:07:40,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 175 states have (on average 1.3714285714285714) internal successors, (240), 178 states have internal predecessors, (240), 73 states have call successors, (73), 25 states have call predecessors, (73), 25 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-14 05:07:40,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 385 transitions. [2024-11-14 05:07:40,989 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 385 transitions. Word has length 84 [2024-11-14 05:07:40,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:07:40,989 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 385 transitions. [2024-11-14 05:07:40,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.8) internal successors, (42), 14 states have internal predecessors, (42), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-14 05:07:40,990 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 385 transitions. [2024-11-14 05:07:40,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-14 05:07:40,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:07:40,992 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:07:41,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:07:41,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:07:41,197 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:07:41,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:07:41,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1892709304, now seen corresponding path program 1 times [2024-11-14 05:07:41,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:07:41,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951450367] [2024-11-14 05:07:41,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:41,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:07:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:07:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 05:07:41,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:07:41,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951450367] [2024-11-14 05:07:41,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951450367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:07:41,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:07:41,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:07:41,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547318692] [2024-11-14 05:07:41,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:07:41,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:07:41,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:07:41,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:07:41,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:07:41,314 INFO L87 Difference]: Start difference. First operand 274 states and 385 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-14 05:07:41,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:07:41,525 INFO L93 Difference]: Finished difference Result 641 states and 934 transitions. [2024-11-14 05:07:41,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:07:41,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2024-11-14 05:07:41,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:07:41,528 INFO L225 Difference]: With dead ends: 641 [2024-11-14 05:07:41,528 INFO L226 Difference]: Without dead ends: 391 [2024-11-14 05:07:41,529 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 [2024-11-14 05:07:41,530 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 55 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:07:41,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 477 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:07:41,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-14 05:07:41,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 386. [2024-11-14 05:07:41,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 262 states have (on average 1.4351145038167938) internal successors, (376), 265 states have internal predecessors, (376), 98 states have call successors, (98), 25 states have call predecessors, (98), 25 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-14 05:07:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 571 transitions. [2024-11-14 05:07:41,630 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 571 transitions. Word has length 89 [2024-11-14 05:07:41,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:07:41,631 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 571 transitions. [2024-11-14 05:07:41,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-14 05:07:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 571 transitions. [2024-11-14 05:07:41,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-14 05:07:41,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:07:41,637 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:07:41,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:07:41,637 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:07:41,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:07:41,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1608414225, now seen corresponding path program 1 times [2024-11-14 05:07:41,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:07:41,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79614064] [2024-11-14 05:07:41,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:41,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:07:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:07:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 05:07:41,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:07:41,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79614064] [2024-11-14 05:07:41,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79614064] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:07:41,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313233749] [2024-11-14 05:07:41,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:41,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:07:41,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:07:41,813 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:07:41,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 05:07:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:07:42,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:07:42,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:07:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 05:07:42,220 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:07:42,322 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 05:07:42,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313233749] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:07:42,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1741441378] [2024-11-14 05:07:42,325 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2024-11-14 05:07:42,326 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:07:42,326 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:07:42,326 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:07:42,327 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:08:15,336 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 05:08:15,444 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 440 for LOIs [2024-11-14 05:08:16,486 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:08:39,833 WARN L286 SmtUtils]: Spent 7.03s on a formula simplification. DAG size of input: 440 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:08:50,958 WARN L286 SmtUtils]: Spent 10.78s on a formula simplification. DAG size of input: 464 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:09:32,096 WARN L286 SmtUtils]: Spent 10.34s on a formula simplification. DAG size of input: 457 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:09:58,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1741441378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:09:58,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:09:58,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-14 05:09:58,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440896813] [2024-11-14 05:09:58,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:09:58,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-14 05:09:58,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:09:58,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-14 05:09:58,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-14 05:09:58,214 INFO L87 Difference]: Start difference. First operand 386 states and 571 transitions. Second operand has 26 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 16 states have internal predecessors, (45), 8 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-14 05:10:09,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:10:09,134 INFO L93 Difference]: Finished difference Result 780 states and 1181 transitions. [2024-11-14 05:10:09,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-14 05:10:09,135 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 16 states have internal predecessors, (45), 8 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17) Word has length 90 [2024-11-14 05:10:09,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:10:09,141 INFO L225 Difference]: With dead ends: 780 [2024-11-14 05:10:09,142 INFO L226 Difference]: Without dead ends: 457 [2024-11-14 05:10:09,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 241 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 101.7s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-14 05:10:09,148 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 61 mSDsluCounter, 2879 mSDsCounter, 0 mSdLazyCounter, 2082 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 3098 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-14 05:10:09,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 3098 Invalid, 2090 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2082 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2024-11-14 05:10:09,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-14 05:10:09,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 400. [2024-11-14 05:10:09,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 274 states have (on average 1.4343065693430657) internal successors, (393), 277 states have internal predecessors, (393), 99 states have call successors, (99), 26 states have call predecessors, (99), 26 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-14 05:10:09,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 590 transitions. [2024-11-14 05:10:09,278 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 590 transitions. Word has length 90 [2024-11-14 05:10:09,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:10:09,280 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 590 transitions. [2024-11-14 05:10:09,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 16 states have internal predecessors, (45), 8 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-14 05:10:09,280 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 590 transitions. [2024-11-14 05:10:09,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-14 05:10:09,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:10:09,286 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:10:09,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 05:10:09,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:10:09,487 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:10:09,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:10:09,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1409010221, now seen corresponding path program 1 times [2024-11-14 05:10:09,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:10:09,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546844266] [2024-11-14 05:10:09,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:10:09,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:10:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:10:09,758 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 05:10:09,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:10:09,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546844266] [2024-11-14 05:10:09,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546844266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:10:09,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507207100] [2024-11-14 05:10:09,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:10:09,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:10:09,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:10:09,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:10:09,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 05:10:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:10:10,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:10:10,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:10:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 05:10:10,287 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:10:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 05:10:10,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507207100] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:10:10,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1597800051] [2024-11-14 05:10:10,417 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2024-11-14 05:10:10,418 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:10:10,418 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:10:10,418 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:10:10,419 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:11:20,517 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 05:11:20,625 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 486 for LOIs [2024-11-14 05:11:21,515 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 495 for LOIs [2024-11-14 05:11:22,368 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 431 for LOIs [2024-11-14 05:11:22,845 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-14 05:11:22,986 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:12:27,334 WARN L286 SmtUtils]: Spent 12.99s on a formula simplification. DAG size of input: 515 DAG size of output: 510 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:12:33,237 WARN L286 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 517 DAG size of output: 508 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:12:54,111 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 496 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:13:10,084 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 495 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:13:15,906 WARN L286 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 491 DAG size of output: 487 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:13:21,597 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:13:32,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1597800051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:13:32,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:13:32,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-14 05:13:32,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494238643] [2024-11-14 05:13:32,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:13:32,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-14 05:13:32,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:13:32,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-14 05:13:32,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 05:13:32,747 INFO L87 Difference]: Start difference. First operand 400 states and 590 transitions. Second operand has 33 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 states have internal predecessors, (45), 10 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (19), 10 states have call predecessors, (19), 10 states have call successors, (19) [2024-11-14 05:14:02,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:14:02,217 INFO L93 Difference]: Finished difference Result 805 states and 1216 transitions. [2024-11-14 05:14:02,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 05:14:02,218 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 states have internal predecessors, (45), 10 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (19), 10 states have call predecessors, (19), 10 states have call successors, (19) Word has length 93 [2024-11-14 05:14:02,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:14:02,222 INFO L225 Difference]: With dead ends: 805 [2024-11-14 05:14:02,222 INFO L226 Difference]: Without dead ends: 482 [2024-11-14 05:14:02,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 243 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 133.7s TimeCoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2024-11-14 05:14:02,224 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 50 mSDsluCounter, 4205 mSDsCounter, 0 mSdLazyCounter, 4036 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 4422 SdHoareTripleChecker+Invalid, 4046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 4036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:14:02,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 4422 Invalid, 4046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 4036 Invalid, 0 Unknown, 0 Unchecked, 25.1s Time] [2024-11-14 05:14:02,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-14 05:14:02,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 436. [2024-11-14 05:14:02,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 304 states have (on average 1.430921052631579) internal successors, (435), 307 states have internal predecessors, (435), 102 states have call successors, (102), 29 states have call predecessors, (102), 29 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-14 05:14:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 638 transitions. [2024-11-14 05:14:02,388 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 638 transitions. Word has length 93 [2024-11-14 05:14:02,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:14:02,388 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 638 transitions. [2024-11-14 05:14:02,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 states have internal predecessors, (45), 10 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (19), 10 states have call predecessors, (19), 10 states have call successors, (19) [2024-11-14 05:14:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 638 transitions. [2024-11-14 05:14:02,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-14 05:14:02,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:14:02,390 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:14:02,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-14 05:14:02,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:14:02,591 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:14:02,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:14:02,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1384685185, now seen corresponding path program 1 times [2024-11-14 05:14:02,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:14:02,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213359315] [2024-11-14 05:14:02,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:14:02,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:14:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:14:02,742 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 05:14:02,742 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:14:02,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213359315] [2024-11-14 05:14:02,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213359315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:14:02,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821344350] [2024-11-14 05:14:02,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:14:02,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:14:02,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:14:02,745 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:14:02,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 05:14:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:14:03,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:14:03,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:14:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 05:14:03,175 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:14:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 05:14:03,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821344350] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:14:03,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1102233326] [2024-11-14 05:14:03,281 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2024-11-14 05:14:03,282 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:14:03,283 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:14:03,283 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:14:03,283 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:14:43,803 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 05:14:43,916 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-14 05:14:44,084 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:15:46,457 WARN L286 SmtUtils]: Spent 10.63s on a formula simplification. DAG size of input: 456 DAG size of output: 456 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:16:18,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1102233326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:18,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:16:18,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-14 05:16:18,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319934882] [2024-11-14 05:16:18,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:18,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-14 05:16:18,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:16:18,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-14 05:16:18,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-14 05:16:18,973 INFO L87 Difference]: Start difference. First operand 436 states and 638 transitions. Second operand has 27 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-14 05:16:34,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:34,869 INFO L93 Difference]: Finished difference Result 807 states and 1207 transitions. [2024-11-14 05:16:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-14 05:16:34,869 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 92 [2024-11-14 05:16:34,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:34,873 INFO L225 Difference]: With dead ends: 807 [2024-11-14 05:16:34,873 INFO L226 Difference]: Without dead ends: 484 [2024-11-14 05:16:34,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 246 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 98.1s TimeCoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-11-14 05:16:34,879 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 17 mSDsluCounter, 3399 mSDsCounter, 0 mSdLazyCounter, 2564 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3610 SdHoareTripleChecker+Invalid, 2573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:16:34,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3610 Invalid, 2573 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2564 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2024-11-14 05:16:34,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-14 05:16:35,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 456. [2024-11-14 05:16:35,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 324 states have (on average 1.4351851851851851) internal successors, (465), 327 states have internal predecessors, (465), 102 states have call successors, (102), 29 states have call predecessors, (102), 29 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-14 05:16:35,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 668 transitions. [2024-11-14 05:16:35,035 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 668 transitions. Word has length 92 [2024-11-14 05:16:35,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:35,035 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 668 transitions. [2024-11-14 05:16:35,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-14 05:16:35,036 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 668 transitions. [2024-11-14 05:16:35,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-14 05:16:35,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:35,038 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:16:35,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 05:16:35,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:16:35,239 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:16:35,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:35,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1199394371, now seen corresponding path program 1 times [2024-11-14 05:16:35,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:35,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656561113] [2024-11-14 05:16:35,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:35,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 05:16:36,294 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:16:36,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656561113] [2024-11-14 05:16:36,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656561113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:16:36,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24202867] [2024-11-14 05:16:36,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:36,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:16:36,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:16:36,297 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:16:36,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d486b6-bced-441e-80a5-103b585e5b4d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 05:16:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:36,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:16:36,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:16:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 05:16:36,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:16:36,960 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 05:16:36,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24202867] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:16:36,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1842095047] [2024-11-14 05:16:36,967 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2024-11-14 05:16:36,967 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:16:36,968 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:16:36,968 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:16:36,968 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:17:10,607 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 05:17:10,717 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 442 for LOIs [2024-11-14 05:17:11,776 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 256 for LOIs [2024-11-14 05:17:14,473 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 224 for LOIs [2024-11-14 05:17:14,569 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 254 for LOIs [2024-11-14 05:17:26,695 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 253 for LOIs [2024-11-14 05:17:27,851 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 253 for LOIs [2024-11-14 05:17:27,962 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 258 for LOIs [2024-11-14 05:17:28,652 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 236 for LOIs [2024-11-14 05:17:28,757 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 227 for LOIs [2024-11-14 05:17:28,853 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 228 for LOIs [2024-11-14 05:17:28,945 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:17:58,456 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification. DAG size of input: 442 DAG size of output: 442 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:18:11,487 WARN L286 SmtUtils]: Spent 11.86s on a formula simplification. DAG size of input: 466 DAG size of output: 462 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:19:29,812 WARN L286 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 278 DAG size of output: 253 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)