./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ --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 b01b58381ce8e0150d6e0f0de264371fec0586e2ead4f1a313de13afba1fd67c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:22:20,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:22:20,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:22:20,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:22:20,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:22:20,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:22:20,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:22:20,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:22:20,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:22:20,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:22:20,646 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:22:20,646 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:22:20,647 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:22:20,649 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:22:20,649 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:22:20,650 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:22:20,651 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:22:20,651 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:22:20,652 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:22:20,652 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:22:20,653 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:22:20,653 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:22:20,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:22:20,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:22:20,656 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:22:20,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:22:20,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:22:20,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:22:20,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:22:20,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:22:20,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:22:20,660 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:22:20,660 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:22:20,661 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:22:20,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:22:20,661 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:22:20,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:22:20,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:22:20,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:22:20,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:22:20,663 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:22:20,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:22:20,678 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:22:20,678 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:22:20,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:22:20,679 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b01b58381ce8e0150d6e0f0de264371fec0586e2ead4f1a313de13afba1fd67c [2023-11-19 05:22:21,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:22:21,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:22:21,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:22:21,073 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:22:21,073 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:22:21,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/product-lines/email_spec8_product22.cil.c [2023-11-19 05:22:24,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:22:24,667 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:22:24,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/sv-benchmarks/c/product-lines/email_spec8_product22.cil.c [2023-11-19 05:22:24,702 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/data/f7fee91d2/9c628618a02e4360b9e9a9b64bac09f1/FLAG455fc3a7c [2023-11-19 05:22:24,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/data/f7fee91d2/9c628618a02e4360b9e9a9b64bac09f1 [2023-11-19 05:22:24,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:22:24,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:22:24,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:22:24,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:22:24,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:22:24,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:24" (1/1) ... [2023-11-19 05:22:24,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157cf1af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:24, skipping insertion in model container [2023-11-19 05:22:24,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:24" (1/1) ... [2023-11-19 05:22:24,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:22:25,337 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/sv-benchmarks/c/product-lines/email_spec8_product22.cil.c[29813,29826] [2023-11-19 05:22:25,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:22:25,566 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:22:25,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2023-11-19 05:22:25,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [375] [2023-11-19 05:22:25,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [787] [2023-11-19 05:22:25,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1006] [2023-11-19 05:22:25,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1372] [2023-11-19 05:22:25,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1381] [2023-11-19 05:22:25,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1398] [2023-11-19 05:22:25,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1704] [2023-11-19 05:22:25,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1739] [2023-11-19 05:22:25,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2804] [2023-11-19 05:22:25,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [2907] [2023-11-19 05:22:25,636 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/sv-benchmarks/c/product-lines/email_spec8_product22.cil.c[29813,29826] [2023-11-19 05:22:25,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:22:25,714 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:22:25,722 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:22:25,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:25 WrapperNode [2023-11-19 05:22:25,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:22:25,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:22:25,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:22:25,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:22:25,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:25" (1/1) ... [2023-11-19 05:22:25,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:25" (1/1) ... [2023-11-19 05:22:25,858 INFO L138 Inliner]: procedures = 129, calls = 211, calls flagged for inlining = 60, calls inlined = 55, statements flattened = 1041 [2023-11-19 05:22:25,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:22:25,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:22:25,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:22:25,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:22:25,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:25" (1/1) ... [2023-11-19 05:22:25,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:25" (1/1) ... [2023-11-19 05:22:25,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:25" (1/1) ... [2023-11-19 05:22:25,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:25" (1/1) ... [2023-11-19 05:22:25,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:25" (1/1) ... [2023-11-19 05:22:25,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:25" (1/1) ... [2023-11-19 05:22:25,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:25" (1/1) ... [2023-11-19 05:22:25,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:25" (1/1) ... [2023-11-19 05:22:25,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:22:25,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:22:25,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:22:25,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:22:25,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:25" (1/1) ... [2023-11-19 05:22:26,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:22:26,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:22:26,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:22:26,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:22:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-11-19 05:22:26,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-11-19 05:22:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-11-19 05:22:26,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-11-19 05:22:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-11-19 05:22:26,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-11-19 05:22:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-11-19 05:22:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-11-19 05:22:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-11-19 05:22:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-11-19 05:22:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-11-19 05:22:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-11-19 05:22:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-11-19 05:22:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-11-19 05:22:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-19 05:22:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-11-19 05:22:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-11-19 05:22:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-11-19 05:22:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-11-19 05:22:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-11-19 05:22:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-11-19 05:22:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:22:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-11-19 05:22:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-11-19 05:22:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-11-19 05:22:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-11-19 05:22:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-11-19 05:22:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-11-19 05:22:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-11-19 05:22:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-11-19 05:22:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-11-19 05:22:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-11-19 05:22:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-11-19 05:22:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-11-19 05:22:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-11-19 05:22:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-11-19 05:22:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:22:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-11-19 05:22:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-11-19 05:22:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:22:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:22:26,371 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:22:26,374 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:22:27,394 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:22:27,982 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:22:27,983 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:22:27,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:27 BoogieIcfgContainer [2023-11-19 05:22:27,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:22:27,992 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:22:27,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:22:27,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:22:27,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:22:24" (1/3) ... [2023-11-19 05:22:27,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285ee18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:27, skipping insertion in model container [2023-11-19 05:22:27,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:25" (2/3) ... [2023-11-19 05:22:27,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285ee18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:27, skipping insertion in model container [2023-11-19 05:22:27,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:27" (3/3) ... [2023-11-19 05:22:28,000 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product22.cil.c [2023-11-19 05:22:28,022 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:22:28,022 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:22:28,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:22:28,087 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2679a3a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:22:28,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:22:28,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 100 states have (on average 1.35) internal successors, (135), 104 states have internal predecessors, (135), 50 states have call successors, (50), 18 states have call predecessors, (50), 18 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-19 05:22:28,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 05:22:28,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:28,108 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:28,109 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:28,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:28,114 INFO L85 PathProgramCache]: Analyzing trace with hash -401124806, now seen corresponding path program 1 times [2023-11-19 05:22:28,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:28,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997624090] [2023-11-19 05:22:28,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:28,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 05:22:28,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:28,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997624090] [2023-11-19 05:22:28,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997624090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:28,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:28,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:22:28,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309158599] [2023-11-19 05:22:28,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:28,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:22:28,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:28,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:22:28,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:22:28,598 INFO L87 Difference]: Start difference. First operand has 170 states, 100 states have (on average 1.35) internal successors, (135), 104 states have internal predecessors, (135), 50 states have call successors, (50), 18 states have call predecessors, (50), 18 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:22:28,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:28,724 INFO L93 Difference]: Finished difference Result 257 states and 348 transitions. [2023-11-19 05:22:28,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:22:28,727 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 56 [2023-11-19 05:22:28,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:28,739 INFO L225 Difference]: With dead ends: 257 [2023-11-19 05:22:28,740 INFO L226 Difference]: Without dead ends: 167 [2023-11-19 05:22:28,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:22:28,751 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:28,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 198 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:22:28,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-19 05:22:28,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2023-11-19 05:22:28,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 98 states have (on average 1.316326530612245) internal successors, (129), 101 states have internal predecessors, (129), 50 states have call successors, (50), 18 states have call predecessors, (50), 18 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-11-19 05:22:28,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 228 transitions. [2023-11-19 05:22:28,824 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 228 transitions. Word has length 56 [2023-11-19 05:22:28,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:28,825 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 228 transitions. [2023-11-19 05:22:28,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:22:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 228 transitions. [2023-11-19 05:22:28,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 05:22:28,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:28,831 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:28,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:22:28,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:28,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:28,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1728317167, now seen corresponding path program 1 times [2023-11-19 05:22:28,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:28,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539431307] [2023-11-19 05:22:28,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:28,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 05:22:29,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:29,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539431307] [2023-11-19 05:22:29,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539431307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:29,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:29,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:29,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232322920] [2023-11-19 05:22:29,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:29,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:29,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:29,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:29,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:29,195 INFO L87 Difference]: Start difference. First operand 167 states and 228 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:22:29,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:29,364 INFO L93 Difference]: Finished difference Result 253 states and 336 transitions. [2023-11-19 05:22:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:29,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2023-11-19 05:22:29,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:29,367 INFO L225 Difference]: With dead ends: 253 [2023-11-19 05:22:29,368 INFO L226 Difference]: Without dead ends: 169 [2023-11-19 05:22:29,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:29,371 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 0 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:29,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 389 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:22:29,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-19 05:22:29,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2023-11-19 05:22:29,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 100 states have (on average 1.31) internal successors, (131), 103 states have internal predecessors, (131), 50 states have call successors, (50), 18 states have call predecessors, (50), 18 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-11-19 05:22:29,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 230 transitions. [2023-11-19 05:22:29,413 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 230 transitions. Word has length 57 [2023-11-19 05:22:29,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:29,413 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 230 transitions. [2023-11-19 05:22:29,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:22:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 230 transitions. [2023-11-19 05:22:29,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 05:22:29,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:29,425 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:29,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:22:29,426 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:29,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:29,426 INFO L85 PathProgramCache]: Analyzing trace with hash -213778453, now seen corresponding path program 1 times [2023-11-19 05:22:29,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:29,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438166760] [2023-11-19 05:22:29,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:29,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 05:22:29,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:29,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438166760] [2023-11-19 05:22:29,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438166760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:29,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:29,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:29,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405667509] [2023-11-19 05:22:29,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:29,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:29,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:29,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:29,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:29,619 INFO L87 Difference]: Start difference. First operand 169 states and 230 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:22:29,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:29,808 INFO L93 Difference]: Finished difference Result 368 states and 519 transitions. [2023-11-19 05:22:29,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:29,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 62 [2023-11-19 05:22:29,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:29,813 INFO L225 Difference]: With dead ends: 368 [2023-11-19 05:22:29,814 INFO L226 Difference]: Without dead ends: 217 [2023-11-19 05:22:29,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:29,817 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 57 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:29,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 397 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:22:29,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-11-19 05:22:29,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 212. [2023-11-19 05:22:29,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 132 states have (on average 1.393939393939394) internal successors, (184), 135 states have internal predecessors, (184), 61 states have call successors, (61), 18 states have call predecessors, (61), 18 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-19 05:22:29,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 305 transitions. [2023-11-19 05:22:29,844 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 305 transitions. Word has length 62 [2023-11-19 05:22:29,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:29,844 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 305 transitions. [2023-11-19 05:22:29,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:22:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 305 transitions. [2023-11-19 05:22:29,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 05:22:29,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:29,848 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:29,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:22:29,848 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:29,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:29,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1726434810, now seen corresponding path program 1 times [2023-11-19 05:22:29,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:29,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283029446] [2023-11-19 05:22:29,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:29,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 05:22:30,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:30,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283029446] [2023-11-19 05:22:30,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283029446] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:22:30,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138220506] [2023-11-19 05:22:30,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:30,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:22:30,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:22:30,013 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:22:30,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d9564-9481-4648-87d1-65af872eb762/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:22:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:30,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:22:30,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 05:22:30,467 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:22:30,532 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 05:22:30,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138220506] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:22:30,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1004786126] [2023-11-19 05:22:30,555 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2023-11-19 05:22:30,555 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 05:22:30,559 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 05:22:30,565 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 05:22:30,565 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 05:23:16,947 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2023-11-19 05:23:17,155 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 239 for LOIs [2023-11-19 05:23:17,395 INFO L180 IcfgInterpreter]: Interpretation finished