./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6360accf87941df9e6bbc5dca5477ecef598d17cc597fc561012b4ee441ae425 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:11:41,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:11:41,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:11:41,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:11:41,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:11:41,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:11:41,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:11:41,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:11:41,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:11:41,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:11:41,598 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:11:41,598 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:11:41,599 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:11:41,599 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:11:41,600 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:11:41,600 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:11:41,601 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:11:41,601 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:11:41,602 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:11:41,602 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:11:41,603 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:11:41,603 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:11:41,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:11:41,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:11:41,605 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:11:41,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:11:41,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:11:41,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:11:41,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:11:41,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:11:41,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:11:41,608 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:11:41,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:11:41,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:11:41,609 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:11:41,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:11:41,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:11:41,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:11:41,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:11:41,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:11:41,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:11:41,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:11:41,612 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:11:41,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:11:41,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:11:41,613 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:11:41,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:11:41,613 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_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6360accf87941df9e6bbc5dca5477ecef598d17cc597fc561012b4ee441ae425 [2024-11-09 06:11:41,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:11:41,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:11:41,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:11:41,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:11:41,998 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:11:42,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec0_product34.cil.c Unable to find full path for "g++" [2024-11-09 06:11:44,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:11:44,583 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:11:44,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/sv-benchmarks/c/product-lines/email_spec0_product34.cil.c [2024-11-09 06:11:44,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/data/f8a174b1b/fc7ee576cf2d4c62a93cd08c024f8ee6/FLAGe4799bb0f [2024-11-09 06:11:44,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/data/f8a174b1b/fc7ee576cf2d4c62a93cd08c024f8ee6 [2024-11-09 06:11:44,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:11:44,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:11:44,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:11:44,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:11:44,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:11:44,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:11:44" (1/1) ... [2024-11-09 06:11:44,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9225d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:44, skipping insertion in model container [2024-11-09 06:11:44,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:11:44" (1/1) ... [2024-11-09 06:11:44,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:11:45,190 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_a63e2d48-3400-4cc4-a196-a05120667312/sv-benchmarks/c/product-lines/email_spec0_product34.cil.c[12611,12624] [2024-11-09 06:11:45,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:11:45,563 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:11:45,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-09 06:11:45,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [380] [2024-11-09 06:11:45,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [599] [2024-11-09 06:11:45,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [608] [2024-11-09 06:11:45,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [643] [2024-11-09 06:11:45,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1712] [2024-11-09 06:11:45,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2078] [2024-11-09 06:11:45,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2226] [2024-11-09 06:11:45,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2628] [2024-11-09 06:11:45,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2647] [2024-11-09 06:11:45,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2664] [2024-11-09 06:11:45,606 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_a63e2d48-3400-4cc4-a196-a05120667312/sv-benchmarks/c/product-lines/email_spec0_product34.cil.c[12611,12624] [2024-11-09 06:11:45,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:11:45,818 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:11:45,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:45 WrapperNode [2024-11-09 06:11:45,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:11:45,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:11:45,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:11:45,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:11:45,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:45" (1/1) ... [2024-11-09 06:11:45,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:45" (1/1) ... [2024-11-09 06:11:45,968 INFO L138 Inliner]: procedures = 134, calls = 218, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1093 [2024-11-09 06:11:45,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:11:45,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:11:45,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:11:45,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:11:45,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:45" (1/1) ... [2024-11-09 06:11:45,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:45" (1/1) ... [2024-11-09 06:11:46,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:45" (1/1) ... [2024-11-09 06:11:46,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:45" (1/1) ... [2024-11-09 06:11:46,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:45" (1/1) ... [2024-11-09 06:11:46,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:45" (1/1) ... [2024-11-09 06:11:46,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:45" (1/1) ... [2024-11-09 06:11:46,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:45" (1/1) ... [2024-11-09 06:11:46,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:11:46,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:11:46,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:11:46,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:11:46,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:45" (1/1) ... [2024-11-09 06:11:46,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:11:46,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:11:46,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:11:46,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:11:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 06:11:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 06:11:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 06:11:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 06:11:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 06:11:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 06:11:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 06:11:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 06:11:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 06:11:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 06:11:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 06:11:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 06:11:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 06:11:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 06:11:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 06:11:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 06:11:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 06:11:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 06:11:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 06:11:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 06:11:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 06:11:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 06:11:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 06:11:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 06:11:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 06:11:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 06:11:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 06:11:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 06:11:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:11:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 06:11:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 06:11:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 06:11:46,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 06:11:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 06:11:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 06:11:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 06:11:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 06:11:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 06:11:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 06:11:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 06:11:46,177 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 06:11:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-09 06:11:46,177 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-09 06:11:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 06:11:46,178 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 06:11:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 06:11:46,178 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 06:11:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 06:11:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 06:11:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 06:11:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 06:11:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 06:11:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 06:11:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:11:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 06:11:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 06:11:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 06:11:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 06:11:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:11:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:11:46,568 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:11:46,576 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:11:48,137 INFO L? ?]: Removed 580 outVars from TransFormulas that were not future-live. [2024-11-09 06:11:48,138 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:11:49,168 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:11:49,168 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:11:49,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:11:49 BoogieIcfgContainer [2024-11-09 06:11:49,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:11:49,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:11:49,174 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:11:49,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:11:49,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:11:44" (1/3) ... [2024-11-09 06:11:49,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67335045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:11:49, skipping insertion in model container [2024-11-09 06:11:49,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:11:45" (2/3) ... [2024-11-09 06:11:49,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67335045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:11:49, skipping insertion in model container [2024-11-09 06:11:49,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:11:49" (3/3) ... [2024-11-09 06:11:49,184 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product34.cil.c [2024-11-09 06:11:49,206 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:11:49,207 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:11:49,310 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:11:49,320 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;@1747bb86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:11:49,321 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:11:49,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 228 states, 128 states have (on average 1.2890625) internal successors, (165), 133 states have internal predecessors, (165), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-09 06:11:49,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 06:11:49,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:11:49,357 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:11:49,358 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:11:49,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:11:49,366 INFO L85 PathProgramCache]: Analyzing trace with hash 789689931, now seen corresponding path program 1 times [2024-11-09 06:11:49,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:11:49,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123815483] [2024-11-09 06:11:49,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:11:49,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:11:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:11:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 06:11:50,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:11:50,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123815483] [2024-11-09 06:11:50,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123815483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:11:50,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:11:50,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:11:50,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478875415] [2024-11-09 06:11:50,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:11:50,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:11:50,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:11:50,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:11:50,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:11:50,084 INFO L87 Difference]: Start difference. First operand has 228 states, 128 states have (on average 1.2890625) internal successors, (165), 133 states have internal predecessors, (165), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 06:11:50,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:11:50,325 INFO L93 Difference]: Finished difference Result 364 states and 481 transitions. [2024-11-09 06:11:50,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:11:50,329 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 110 [2024-11-09 06:11:50,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:11:50,347 INFO L225 Difference]: With dead ends: 364 [2024-11-09 06:11:50,348 INFO L226 Difference]: Without dead ends: 225 [2024-11-09 06:11:50,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:11:50,362 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:11:50,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 258 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:11:50,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-09 06:11:50,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2024-11-09 06:11:50,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 126 states have (on average 1.2619047619047619) internal successors, (159), 130 states have internal predecessors, (159), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-09 06:11:50,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 298 transitions. [2024-11-09 06:11:50,463 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 298 transitions. Word has length 110 [2024-11-09 06:11:50,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:11:50,468 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 298 transitions. [2024-11-09 06:11:50,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 06:11:50,469 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2024-11-09 06:11:50,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 06:11:50,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:11:50,482 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:11:50,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:11:50,483 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:11:50,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:11:50,484 INFO L85 PathProgramCache]: Analyzing trace with hash -299067783, now seen corresponding path program 1 times [2024-11-09 06:11:50,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:11:50,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834494990] [2024-11-09 06:11:50,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:11:50,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:11:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:11:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:11:50,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:11:50,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834494990] [2024-11-09 06:11:50,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834494990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:11:50,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:11:50,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:11:50,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379709309] [2024-11-09 06:11:50,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:11:50,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:11:50,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:11:50,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:11:50,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:11:50,871 INFO L87 Difference]: Start difference. First operand 225 states and 298 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 06:11:51,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:11:51,122 INFO L93 Difference]: Finished difference Result 360 states and 466 transitions. [2024-11-09 06:11:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:11:51,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 100 [2024-11-09 06:11:51,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:11:51,129 INFO L225 Difference]: With dead ends: 360 [2024-11-09 06:11:51,130 INFO L226 Difference]: Without dead ends: 227 [2024-11-09 06:11:51,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:11:51,136 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 0 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:11:51,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 509 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:11:51,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-09 06:11:51,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2024-11-09 06:11:51,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 128 states have (on average 1.2578125) internal successors, (161), 132 states have internal predecessors, (161), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-09 06:11:51,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 300 transitions. [2024-11-09 06:11:51,184 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 300 transitions. Word has length 100 [2024-11-09 06:11:51,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:11:51,185 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 300 transitions. [2024-11-09 06:11:51,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 06:11:51,187 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 300 transitions. [2024-11-09 06:11:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 06:11:51,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:11:51,196 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:11:51,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:11:51,197 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:11:51,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:11:51,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1499824420, now seen corresponding path program 1 times [2024-11-09 06:11:51,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:11:51,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618601744] [2024-11-09 06:11:51,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:11:51,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:11:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:11:51,515 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 06:11:51,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:11:51,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618601744] [2024-11-09 06:11:51,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618601744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:11:51,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:11:51,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:11:51,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954877534] [2024-11-09 06:11:51,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:11:51,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:11:51,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:11:51,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:11:51,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:11:51,523 INFO L87 Difference]: Start difference. First operand 227 states and 300 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 06:11:51,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:11:51,728 INFO L93 Difference]: Finished difference Result 489 states and 667 transitions. [2024-11-09 06:11:51,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:11:51,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 116 [2024-11-09 06:11:51,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:11:51,733 INFO L225 Difference]: With dead ends: 489 [2024-11-09 06:11:51,733 INFO L226 Difference]: Without dead ends: 280 [2024-11-09 06:11:51,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:11:51,737 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 59 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:11:51,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 519 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:11:51,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-09 06:11:51,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 275. [2024-11-09 06:11:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 162 states have (on average 1.3333333333333333) internal successors, (216), 166 states have internal predecessors, (216), 84 states have call successors, (84), 28 states have call predecessors, (84), 28 states have return successors, (83), 82 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-09 06:11:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 383 transitions. [2024-11-09 06:11:51,785 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 383 transitions. Word has length 116 [2024-11-09 06:11:51,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:11:51,786 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 383 transitions. [2024-11-09 06:11:51,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 06:11:51,787 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 383 transitions. [2024-11-09 06:11:51,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 06:11:51,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:11:51,796 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:11:51,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:11:51,797 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:11:51,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:11:51,799 INFO L85 PathProgramCache]: Analyzing trace with hash 318547187, now seen corresponding path program 1 times [2024-11-09 06:11:51,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:11:51,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563533191] [2024-11-09 06:11:51,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:11:51,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:11:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:11:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 06:11:52,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:11:52,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563533191] [2024-11-09 06:11:52,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563533191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:11:52,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960089685] [2024-11-09 06:11:52,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:11:52,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:11:52,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:11:52,146 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:11:52,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:11:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:11:52,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:11:52,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:11:52,849 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 06:11:52,853 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:11:53,065 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 06:11:53,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960089685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:11:53,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [803904702] [2024-11-09 06:11:53,098 INFO L159 IcfgInterpreter]: Started Sifa with 90 locations of interest [2024-11-09 06:11:53,098 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:11:53,103 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:11:53,110 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:11:53,113 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:12:25,275 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 06:12:25,500 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 06:12:25,702 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:13:26,639 WARN L286 SmtUtils]: Spent 10.51s on a formula simplification. DAG size of input: 455 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:13:39,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [803904702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:39,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:13:39,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 06:13:39,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769088132] [2024-11-09 06:13:39,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:39,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 06:13:39,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:39,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 06:13:39,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 06:13:39,700 INFO L87 Difference]: Start difference. First operand 275 states and 383 transitions. Second operand has 23 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 7 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-09 06:13:47,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:47,992 INFO L93 Difference]: Finished difference Result 565 states and 804 transitions. [2024-11-09 06:13:47,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 06:13:47,993 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 7 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 117 [2024-11-09 06:13:47,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:47,996 INFO L225 Difference]: With dead ends: 565 [2024-11-09 06:13:47,996 INFO L226 Difference]: Without dead ends: 308 [2024-11-09 06:13:47,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 325 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 74.0s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 06:13:47,998 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 26 mSDsluCounter, 3567 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3802 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:47,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3802 Invalid, 1962 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-11-09 06:13:48,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-09 06:13:48,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 298. [2024-11-09 06:13:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 188 states have internal predecessors, (249), 84 states have call successors, (84), 29 states have call predecessors, (84), 29 states have return successors, (83), 82 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-09 06:13:48,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 416 transitions. [2024-11-09 06:13:48,076 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 416 transitions. Word has length 117 [2024-11-09 06:13:48,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:48,077 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 416 transitions. [2024-11-09 06:13:48,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 7 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-09 06:13:48,077 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 416 transitions. [2024-11-09 06:13:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 06:13:48,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:48,080 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:13:48,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:13:48,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-09 06:13:48,283 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:13:48,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:48,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1731036943, now seen corresponding path program 1 times [2024-11-09 06:13:48,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:48,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270501835] [2024-11-09 06:13:48,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:48,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 06:13:48,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:48,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270501835] [2024-11-09 06:13:48,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270501835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:48,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:13:48,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:13:48,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764243968] [2024-11-09 06:13:48,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:48,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:13:48,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:48,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:13:48,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:48,433 INFO L87 Difference]: Start difference. First operand 298 states and 416 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 06:13:48,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:48,646 INFO L93 Difference]: Finished difference Result 699 states and 1012 transitions. [2024-11-09 06:13:48,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:13:48,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 122 [2024-11-09 06:13:48,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:48,650 INFO L225 Difference]: With dead ends: 699 [2024-11-09 06:13:48,651 INFO L226 Difference]: Without dead ends: 425 [2024-11-09 06:13:48,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:48,653 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 57 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:48,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 525 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:13:48,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-09 06:13:48,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 420. [2024-11-09 06:13:48,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 275 states have (on average 1.4145454545454546) internal successors, (389), 279 states have internal predecessors, (389), 115 states have call successors, (115), 29 states have call predecessors, (115), 29 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-09 06:13:48,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 618 transitions. [2024-11-09 06:13:48,766 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 618 transitions. Word has length 122 [2024-11-09 06:13:48,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:48,766 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 618 transitions. [2024-11-09 06:13:48,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 06:13:48,767 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 618 transitions. [2024-11-09 06:13:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 06:13:48,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:48,770 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:13:48,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:13:48,770 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:13:48,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:48,771 INFO L85 PathProgramCache]: Analyzing trace with hash -152391724, now seen corresponding path program 1 times [2024-11-09 06:13:48,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:48,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119703557] [2024-11-09 06:13:48,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:48,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:48,979 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:13:48,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:48,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119703557] [2024-11-09 06:13:48,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119703557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:13:48,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072867595] [2024-11-09 06:13:48,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:48,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:48,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:13:48,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:13:48,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:13:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:49,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:13:49,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:13:49,475 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:13:49,476 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:13:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:13:49,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072867595] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:13:49,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1176058548] [2024-11-09 06:13:49,608 INFO L159 IcfgInterpreter]: Started Sifa with 87 locations of interest [2024-11-09 06:13:49,611 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:13:49,612 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:13:49,612 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:13:49,613 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:14:28,013 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 06:14:28,135 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 440 for LOIs [2024-11-09 06:14:29,518 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:14:53,205 WARN L286 SmtUtils]: Spent 7.43s 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) [2024-11-09 06:15:04,298 WARN L286 SmtUtils]: Spent 10.71s on a formula simplification. DAG size of input: 464 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:15:46,201 WARN L286 SmtUtils]: Spent 10.49s on a formula simplification. DAG size of input: 457 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:16:12,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1176058548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:16:12,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:16:12,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 06:16:12,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650332363] [2024-11-09 06:16:12,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:16:12,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 06:16:12,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:16:12,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 06:16:12,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 06:16:12,742 INFO L87 Difference]: Start difference. First operand 420 states and 618 transitions. Second operand has 26 states, 17 states have (on average 3.176470588235294) internal successors, (54), 16 states have internal predecessors, (54), 8 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-11-09 06:16:26,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:16:26,273 INFO L93 Difference]: Finished difference Result 850 states and 1279 transitions. [2024-11-09 06:16:26,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 06:16:26,274 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 3.176470588235294) internal successors, (54), 16 states have internal predecessors, (54), 8 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) Word has length 112 [2024-11-09 06:16:26,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:16:26,278 INFO L225 Difference]: With dead ends: 850 [2024-11-09 06:16:26,278 INFO L226 Difference]: Without dead ends: 493 [2024-11-09 06:16:26,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 103.2s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 06:16:26,281 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 43 mSDsluCounter, 3893 mSDsCounter, 0 mSdLazyCounter, 2775 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 4124 SdHoareTripleChecker+Invalid, 2783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:16:26,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 4124 Invalid, 2783 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2775 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2024-11-09 06:16:26,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-11-09 06:16:26,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 434. [2024-11-09 06:16:26,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 287 states have (on average 1.4146341463414633) internal successors, (406), 291 states have internal predecessors, (406), 116 states have call successors, (116), 30 states have call predecessors, (116), 30 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-09 06:16:26,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 637 transitions. [2024-11-09 06:16:26,422 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 637 transitions. Word has length 112 [2024-11-09 06:16:26,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:16:26,423 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 637 transitions. [2024-11-09 06:16:26,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 3.176470588235294) internal successors, (54), 16 states have internal predecessors, (54), 8 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-11-09 06:16:26,423 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 637 transitions. [2024-11-09 06:16:26,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-09 06:16:26,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:16:26,427 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:16:26,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:16:26,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:16:26,632 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:16:26,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:16:26,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1155569621, now seen corresponding path program 1 times [2024-11-09 06:16:26,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:16:26,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548161347] [2024-11-09 06:16:26,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:26,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:16:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:26,866 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 06:16:26,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:16:26,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548161347] [2024-11-09 06:16:26,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548161347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:16:26,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451085705] [2024-11-09 06:16:26,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:26,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:16:26,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:16:26,869 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:16:26,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:16:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:27,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:16:27,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:27,389 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 06:16:27,390 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:16:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 06:16:27,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451085705] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:16:27,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2079637103] [2024-11-09 06:16:27,534 INFO L159 IcfgInterpreter]: Started Sifa with 99 locations of interest [2024-11-09 06:16:27,534 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:16:27,534 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:16:27,535 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:16:27,535 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:17:40,506 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 06:17:40,629 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 486 for LOIs [2024-11-09 06:17:41,635 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 495 for LOIs [2024-11-09 06:17:42,789 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 431 for LOIs [2024-11-09 06:17:43,177 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 06:17:43,297 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:18:53,161 WARN L286 SmtUtils]: Spent 15.44s 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) [2024-11-09 06:19:00,940 WARN L286 SmtUtils]: Spent 6.99s on a formula simplification. DAG size of input: 517 DAG size of output: 508 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:19:26,349 WARN L286 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 496 DAG size of output: 496 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:19:33,905 WARN L286 SmtUtils]: Spent 6.86s on a formula simplification. DAG size of input: 501 DAG size of output: 497 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:19:41,145 WARN L286 SmtUtils]: Spent 6.69s on a formula simplification. DAG size of input: 495 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:19:47,928 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification. DAG size of input: 495 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:19:55,194 WARN L286 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 491 DAG size of output: 487 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:20:02,355 WARN L286 SmtUtils]: Spent 6.57s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:20:09,432 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:20:16,851 WARN L286 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 482 DAG size of output: 478 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:20:17,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2079637103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:20:17,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:20:17,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 06:20:17,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717733986] [2024-11-09 06:20:17,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:20:17,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 06:20:17,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:20:17,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 06:20:17,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 06:20:17,315 INFO L87 Difference]: Start difference. First operand 434 states and 637 transitions. Second operand has 33 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 10 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (25), 10 states have call predecessors, (25), 10 states have call successors, (25) [2024-11-09 06:20:44,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:20:44,215 INFO L93 Difference]: Finished difference Result 875 states and 1314 transitions. [2024-11-09 06:20:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 06:20:44,216 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 10 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (25), 10 states have call predecessors, (25), 10 states have call successors, (25) Word has length 126 [2024-11-09 06:20:44,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:20:44,221 INFO L225 Difference]: With dead ends: 875 [2024-11-09 06:20:44,222 INFO L226 Difference]: Without dead ends: 518 [2024-11-09 06:20:44,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 342 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 154.0s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 06:20:44,225 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 78 mSDsluCounter, 4263 mSDsCounter, 0 mSdLazyCounter, 3775 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 4500 SdHoareTripleChecker+Invalid, 3784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:20:44,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 4500 Invalid, 3784 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3775 Invalid, 0 Unknown, 0 Unchecked, 26.5s Time] [2024-11-09 06:20:44,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-09 06:20:44,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 470. [2024-11-09 06:20:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 317 states have (on average 1.413249211356467) internal successors, (448), 321 states have internal predecessors, (448), 119 states have call successors, (119), 33 states have call predecessors, (119), 33 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-09 06:20:44,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 685 transitions. [2024-11-09 06:20:44,448 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 685 transitions. Word has length 126 [2024-11-09 06:20:44,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:20:44,449 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 685 transitions. [2024-11-09 06:20:44,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 10 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (25), 10 states have call predecessors, (25), 10 states have call successors, (25) [2024-11-09 06:20:44,449 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 685 transitions. [2024-11-09 06:20:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 06:20:44,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:20:44,453 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:20:44,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:20:44,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-09 06:20:44,655 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:20:44,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:20:44,655 INFO L85 PathProgramCache]: Analyzing trace with hash 760465073, now seen corresponding path program 1 times [2024-11-09 06:20:44,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:20:44,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416798353] [2024-11-09 06:20:44,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:20:44,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:20:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:20:44,866 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:20:44,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:20:44,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416798353] [2024-11-09 06:20:44,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416798353] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:20:44,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421429240] [2024-11-09 06:20:44,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:20:44,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:20:44,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:20:44,870 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:20:44,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:20:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:20:45,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:20:45,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:20:45,470 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:20:45,470 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:20:45,625 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:20:45,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421429240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:20:45,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1197997671] [2024-11-09 06:20:45,629 INFO L159 IcfgInterpreter]: Started Sifa with 91 locations of interest [2024-11-09 06:20:45,630 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:20:45,630 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:20:45,631 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:20:45,631 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:21:31,490 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 06:21:31,637 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 06:21:31,788 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:22:46,020 WARN L286 SmtUtils]: Spent 12.86s 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) [2024-11-09 06:22:57,159 WARN L286 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 461 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:23:02,619 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 461 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:23:13,388 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 461 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:23:24,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1197997671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:24,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:23:24,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 06:23:24,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822592433] [2024-11-09 06:23:24,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:24,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 06:23:24,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:24,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 06:23:24,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 06:23:24,173 INFO L87 Difference]: Start difference. First operand 470 states and 685 transitions. Second operand has 27 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 18 states have internal predecessors, (59), 7 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-09 06:23:34,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:34,929 INFO L93 Difference]: Finished difference Result 876 states and 1303 transitions. [2024-11-09 06:23:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 06:23:34,930 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 18 states have internal predecessors, (59), 7 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 114 [2024-11-09 06:23:34,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:34,934 INFO L225 Difference]: With dead ends: 876 [2024-11-09 06:23:34,934 INFO L226 Difference]: Without dead ends: 519 [2024-11-09 06:23:34,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 312 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 112.4s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 06:23:34,937 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 18 mSDsluCounter, 3246 mSDsCounter, 0 mSdLazyCounter, 2070 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3474 SdHoareTripleChecker+Invalid, 2078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:34,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3474 Invalid, 2078 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2070 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2024-11-09 06:23:34,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-09 06:23:35,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 490. [2024-11-09 06:23:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 337 states have (on average 1.4183976261127595) internal successors, (478), 341 states have internal predecessors, (478), 119 states have call successors, (119), 33 states have call predecessors, (119), 33 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-09 06:23:35,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 715 transitions. [2024-11-09 06:23:35,142 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 715 transitions. Word has length 114 [2024-11-09 06:23:35,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:35,142 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 715 transitions. [2024-11-09 06:23:35,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 18 states have internal predecessors, (59), 7 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-09 06:23:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 715 transitions. [2024-11-09 06:23:35,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 06:23:35,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:35,147 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:23:35,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 06:23:35,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 06:23:35,350 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:23:35,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:35,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1092807878, now seen corresponding path program 1 times [2024-11-09 06:23:35,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:35,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586550743] [2024-11-09 06:23:35,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:35,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:36,113 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 06:23:36,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:36,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586550743] [2024-11-09 06:23:36,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586550743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:36,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:23:36,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:23:36,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357886890] [2024-11-09 06:23:36,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:36,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 06:23:36,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:36,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 06:23:36,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-09 06:23:36,117 INFO L87 Difference]: Start difference. First operand 490 states and 715 transitions. Second operand has 12 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 6 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2024-11-09 06:23:37,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:37,945 INFO L93 Difference]: Finished difference Result 963 states and 1389 transitions. [2024-11-09 06:23:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:23:37,946 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 6 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 128 [2024-11-09 06:23:37,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:37,952 INFO L225 Difference]: With dead ends: 963 [2024-11-09 06:23:37,953 INFO L226 Difference]: Without dead ends: 835 [2024-11-09 06:23:37,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-09 06:23:37,955 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 410 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 1443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:37,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 1710 Invalid, 1443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 06:23:37,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-11-09 06:23:38,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 828. [2024-11-09 06:23:38,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 550 states have (on average 1.4272727272727272) internal successors, (785), 558 states have internal predecessors, (785), 219 states have call successors, (219), 59 states have call predecessors, (219), 58 states have return successors, (215), 214 states have call predecessors, (215), 215 states have call successors, (215) [2024-11-09 06:23:38,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1219 transitions. [2024-11-09 06:23:38,256 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1219 transitions. Word has length 128 [2024-11-09 06:23:38,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:38,257 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1219 transitions. [2024-11-09 06:23:38,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 6 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2024-11-09 06:23:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1219 transitions. [2024-11-09 06:23:38,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 06:23:38,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:38,263 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:23:38,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:23:38,263 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:23:38,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:38,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1036602621, now seen corresponding path program 1 times [2024-11-09 06:23:38,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:38,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577972633] [2024-11-09 06:23:38,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:38,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:39,764 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 06:23:39,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:39,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577972633] [2024-11-09 06:23:39,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577972633] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:23:39,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198303009] [2024-11-09 06:23:39,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:39,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:23:39,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:23:39,767 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:23:39,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63e2d48-3400-4cc4-a196-a05120667312/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 06:23:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:40,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:23:40,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:23:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:23:40,456 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:23:40,636 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:23:40,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198303009] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:23:40,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2017165673] [2024-11-09 06:23:40,640 INFO L159 IcfgInterpreter]: Started Sifa with 87 locations of interest [2024-11-09 06:23:40,640 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:23:40,641 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:23:40,641 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:23:40,641 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:24:21,857 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 06:24:21,992 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 265 for LOIs [2024-11-09 06:24:25,256 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 246 for LOIs [2024-11-09 06:24:25,446 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 263 for LOIs [2024-11-09 06:24:28,834 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Encrypt with input of size 273 for LOIs [2024-11-09 06:24:41,249 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 268 for LOIs [2024-11-09 06:24:42,051 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 262 for LOIs [2024-11-09 06:24:43,606 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 262 for LOIs [2024-11-09 06:24:43,768 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 245 for LOIs [2024-11-09 06:24:43,906 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 226 for LOIs [2024-11-09 06:24:43,991 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 233 for LOIs [2024-11-09 06:24:44,099 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 234 for LOIs [2024-11-09 06:24:44,188 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 238 for LOIs [2024-11-09 06:24:44,289 INFO L180 IcfgInterpreter]: Interpretation finished