./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/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_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/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_3ae92dd3-8cd8-4367-bce3-392cb175c250/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 a59be100f0df5b45ec217b714193edff4cbaee7a030bd6a056d7c0737b59e84e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:37:19,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:37:19,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:37:19,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:37:19,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:37:19,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:37:19,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:37:19,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:37:19,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:37:19,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:37:19,594 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:37:19,594 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:37:19,595 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:37:19,595 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:37:19,595 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:37:19,596 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:37:19,596 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:37:19,597 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:37:19,597 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:37:19,598 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:37:19,598 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:37:19,599 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:37:19,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:37:19,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:37:19,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:37:19,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:37:19,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:37:19,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:37:19,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:37:19,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:37:19,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:37:19,603 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:37:19,603 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:37:19,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:37:19,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:37:19,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:37:19,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:37:19,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:37:19,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:37:19,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:37:19,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:37:19,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:37:19,607 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:37:19,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:37:19,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:37:19,608 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:37:19,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:37:19,609 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_3ae92dd3-8cd8-4367-bce3-392cb175c250/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a59be100f0df5b45ec217b714193edff4cbaee7a030bd6a056d7c0737b59e84e [2024-11-09 04:37:19,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:37:19,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:37:19,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:37:19,986 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:37:19,986 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:37:19,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec3_product29.cil.c Unable to find full path for "g++" [2024-11-09 04:37:22,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:37:22,402 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:37:22,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/sv-benchmarks/c/product-lines/email_spec3_product29.cil.c [2024-11-09 04:37:22,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/data/6589c0c47/37a1a6ae8c074844b040cf88c7daed89/FLAGa5bcad932 [2024-11-09 04:37:22,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/data/6589c0c47/37a1a6ae8c074844b040cf88c7daed89 [2024-11-09 04:37:22,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:37:22,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:37:22,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:37:22,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:37:22,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:37:22,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:37:22" (1/1) ... [2024-11-09 04:37:22,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da0d1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:22, skipping insertion in model container [2024-11-09 04:37:22,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:37:22" (1/1) ... [2024-11-09 04:37:22,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:37:23,496 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_3ae92dd3-8cd8-4367-bce3-392cb175c250/sv-benchmarks/c/product-lines/email_spec3_product29.cil.c[49640,49653] [2024-11-09 04:37:23,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:37:23,596 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:37:23,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-09 04:37:23,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [414] [2024-11-09 04:37:23,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1494] [2024-11-09 04:37:23,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1804] [2024-11-09 04:37:23,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2216] [2024-11-09 04:37:23,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2225] [2024-11-09 04:37:23,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2260] [2024-11-09 04:37:23,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2476] [2024-11-09 04:37:23,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2614] [2024-11-09 04:37:23,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2631] [2024-11-09 04:37:23,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignVerify_spec.i","") [3001] [2024-11-09 04:37:23,757 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_3ae92dd3-8cd8-4367-bce3-392cb175c250/sv-benchmarks/c/product-lines/email_spec3_product29.cil.c[49640,49653] [2024-11-09 04:37:23,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:37:23,851 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:37:23,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:23 WrapperNode [2024-11-09 04:37:23,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:37:23,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:37:23,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:37:23,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:37:23,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:23" (1/1) ... [2024-11-09 04:37:23,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:23" (1/1) ... [2024-11-09 04:37:23,970 INFO L138 Inliner]: procedures = 132, calls = 218, calls flagged for inlining = 55, calls inlined = 47, statements flattened = 954 [2024-11-09 04:37:23,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:37:23,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:37:23,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:37:23,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:37:23,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:23" (1/1) ... [2024-11-09 04:37:23,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:23" (1/1) ... [2024-11-09 04:37:23,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:23" (1/1) ... [2024-11-09 04:37:23,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:23" (1/1) ... [2024-11-09 04:37:24,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:23" (1/1) ... [2024-11-09 04:37:24,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:23" (1/1) ... [2024-11-09 04:37:24,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:23" (1/1) ... [2024-11-09 04:37:24,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:23" (1/1) ... [2024-11-09 04:37:24,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:37:24,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:37:24,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:37:24,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:37:24,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:23" (1/1) ... [2024-11-09 04:37:24,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:37:24,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:37:24,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:37:24,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:37:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 04:37:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 04:37:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 04:37:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 04:37:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 04:37:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 04:37:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 04:37:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 04:37:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 04:37:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 04:37:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 04:37:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 04:37:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 04:37:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 04:37:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 04:37:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 04:37:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 04:37:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 04:37:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 04:37:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 04:37:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 04:37:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 04:37:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 04:37:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 04:37:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 04:37:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 04:37:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 04:37:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 04:37:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:37:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 04:37:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 04:37:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 04:37:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 04:37:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 04:37:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 04:37:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 04:37:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 04:37:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-09 04:37:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-09 04:37:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 04:37:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 04:37:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 04:37:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 04:37:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-09 04:37:24,160 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-09 04:37:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 04:37:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 04:37:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 04:37:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 04:37:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 04:37:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 04:37:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 04:37:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 04:37:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 04:37:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 04:37:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:37:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 04:37:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 04:37:24,164 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 04:37:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 04:37:24,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:37:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:37:24,437 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:37:24,439 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:37:25,803 INFO L? ?]: Removed 509 outVars from TransFormulas that were not future-live. [2024-11-09 04:37:25,804 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:37:26,740 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:37:26,741 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:37:26,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:37:26 BoogieIcfgContainer [2024-11-09 04:37:26,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:37:26,745 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:37:26,745 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:37:26,749 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:37:26,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:37:22" (1/3) ... [2024-11-09 04:37:26,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c449f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:37:26, skipping insertion in model container [2024-11-09 04:37:26,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:23" (2/3) ... [2024-11-09 04:37:26,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c449f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:37:26, skipping insertion in model container [2024-11-09 04:37:26,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:37:26" (3/3) ... [2024-11-09 04:37:26,753 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_product29.cil.c [2024-11-09 04:37:26,778 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:37:26,778 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:37:26,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:37:26,887 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;@115981df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:37:26,889 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:37:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 131 states have internal predecessors, (162), 68 states have call successors, (68), 29 states have call predecessors, (68), 29 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-09 04:37:26,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 04:37:26,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:26,920 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:37:26,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:26,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:26,927 INFO L85 PathProgramCache]: Analyzing trace with hash -45114860, now seen corresponding path program 1 times [2024-11-09 04:37:26,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:37:26,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507425143] [2024-11-09 04:37:26,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:26,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:37:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:27,513 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 04:37:27,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:37:27,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507425143] [2024-11-09 04:37:27,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507425143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:37:27,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:37:27,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:37:27,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534699943] [2024-11-09 04:37:27,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:37:27,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:37:27,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:37:27,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:37:27,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:37:27,559 INFO L87 Difference]: Start difference. First operand has 223 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 131 states have internal predecessors, (162), 68 states have call successors, (68), 29 states have call predecessors, (68), 29 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 04:37:27,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:37:27,765 INFO L93 Difference]: Finished difference Result 353 states and 467 transitions. [2024-11-09 04:37:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:37:27,768 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 101 [2024-11-09 04:37:27,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:37:27,786 INFO L225 Difference]: With dead ends: 353 [2024-11-09 04:37:27,786 INFO L226 Difference]: Without dead ends: 219 [2024-11-09 04:37:27,794 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 04:37:27,801 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:37:27,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:37:27,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-09 04:37:27,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-11-09 04:37:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 122 states have (on average 1.278688524590164) internal successors, (156), 127 states have internal predecessors, (156), 68 states have call successors, (68), 29 states have call predecessors, (68), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 04:37:27,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 289 transitions. [2024-11-09 04:37:27,894 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 289 transitions. Word has length 101 [2024-11-09 04:37:27,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:37:27,900 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 289 transitions. [2024-11-09 04:37:27,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 04:37:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 289 transitions. [2024-11-09 04:37:27,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 04:37:27,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:27,908 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:37:27,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:37:27,909 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:27,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:27,913 INFO L85 PathProgramCache]: Analyzing trace with hash -480932082, now seen corresponding path program 1 times [2024-11-09 04:37:27,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:37:27,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641927540] [2024-11-09 04:37:27,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:27,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:37:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:28,331 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 04:37:28,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:37:28,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641927540] [2024-11-09 04:37:28,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641927540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:37:28,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:37:28,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:37:28,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011689460] [2024-11-09 04:37:28,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:37:28,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:37:28,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:37:28,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:37:28,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:37:28,337 INFO L87 Difference]: Start difference. First operand 219 states and 289 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 04:37:28,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:37:28,514 INFO L93 Difference]: Finished difference Result 348 states and 448 transitions. [2024-11-09 04:37:28,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:37:28,515 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 102 [2024-11-09 04:37:28,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:37:28,518 INFO L225 Difference]: With dead ends: 348 [2024-11-09 04:37:28,518 INFO L226 Difference]: Without dead ends: 221 [2024-11-09 04:37:28,520 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 04:37:28,522 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 0 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:37:28,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 501 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:37:28,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-09 04:37:28,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-09 04:37:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 124 states have (on average 1.2741935483870968) internal successors, (158), 129 states have internal predecessors, (158), 68 states have call successors, (68), 29 states have call predecessors, (68), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 04:37:28,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 291 transitions. [2024-11-09 04:37:28,563 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 291 transitions. Word has length 102 [2024-11-09 04:37:28,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:37:28,563 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 291 transitions. [2024-11-09 04:37:28,564 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 04:37:28,564 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 291 transitions. [2024-11-09 04:37:28,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 04:37:28,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:28,568 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 04:37:28,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:37:28,569 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:28,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:28,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1445131060, now seen corresponding path program 1 times [2024-11-09 04:37:28,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:37:28,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061390203] [2024-11-09 04:37:28,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:28,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:37:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:37:28,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:37:28,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061390203] [2024-11-09 04:37:28,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061390203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:37:28,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:37:28,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:37:28,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513213297] [2024-11-09 04:37:28,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:37:28,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:37:28,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:37:28,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:37:28,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:37:28,807 INFO L87 Difference]: Start difference. First operand 221 states and 291 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 04:37:28,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:37:28,963 INFO L93 Difference]: Finished difference Result 477 states and 649 transitions. [2024-11-09 04:37:28,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:37:28,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 96 [2024-11-09 04:37:28,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:37:28,967 INFO L225 Difference]: With dead ends: 477 [2024-11-09 04:37:28,967 INFO L226 Difference]: Without dead ends: 274 [2024-11-09 04:37:28,969 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 04:37:28,970 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 59 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:37:28,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 504 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:37:28,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-09 04:37:28,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 269. [2024-11-09 04:37:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 158 states have (on average 1.3481012658227849) internal successors, (213), 163 states have internal predecessors, (213), 82 states have call successors, (82), 29 states have call predecessors, (82), 28 states have return successors, (79), 78 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 04:37:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 374 transitions. [2024-11-09 04:37:28,997 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 374 transitions. Word has length 96 [2024-11-09 04:37:28,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:37:28,997 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 374 transitions. [2024-11-09 04:37:28,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 04:37:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 374 transitions. [2024-11-09 04:37:29,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 04:37:29,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:29,004 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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 04:37:29,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:37:29,004 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:29,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:29,005 INFO L85 PathProgramCache]: Analyzing trace with hash 649463548, now seen corresponding path program 1 times [2024-11-09 04:37:29,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:37:29,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643126970] [2024-11-09 04:37:29,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:29,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:37:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,356 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 04:37:29,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:37:29,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643126970] [2024-11-09 04:37:29,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643126970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:37:29,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163113492] [2024-11-09 04:37:29,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:29,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:37:29,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:37:29,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:37:29,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:37:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:37:29,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:37:30,006 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 04:37:30,010 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:37:30,202 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 04:37:30,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163113492] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:37:30,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [714731858] [2024-11-09 04:37:30,232 INFO L159 IcfgInterpreter]: Started Sifa with 87 locations of interest [2024-11-09 04:37:30,232 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:37:30,237 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:37:30,243 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:37:30,244 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:38:03,084 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 04:38:03,247 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 04:38:03,397 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:39:11,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [714731858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:39:11,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:39:11,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 04:39:11,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531315129] [2024-11-09 04:39:11,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:39:11,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 04:39:11,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:39:11,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 04:39:11,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 04:39:11,060 INFO L87 Difference]: Start difference. First operand 269 states and 374 transitions. Second operand has 23 states, 15 states have (on average 3.4) internal successors, (51), 14 states have internal predecessors, (51), 7 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-09 04:39:19,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:39:19,073 INFO L93 Difference]: Finished difference Result 553 states and 786 transitions. [2024-11-09 04:39:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 04:39:19,074 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 3.4) internal successors, (51), 14 states have internal predecessors, (51), 7 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 108 [2024-11-09 04:39:19,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:39:19,077 INFO L225 Difference]: With dead ends: 553 [2024-11-09 04:39:19,077 INFO L226 Difference]: Without dead ends: 302 [2024-11-09 04:39:19,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 67.7s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 04:39:19,080 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 26 mSDsluCounter, 3457 mSDsCounter, 0 mSdLazyCounter, 1896 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3688 SdHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:39:19,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3688 Invalid, 1905 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1896 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2024-11-09 04:39:19,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-09 04:39:19,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 292. [2024-11-09 04:39:19,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 180 states have (on average 1.3666666666666667) internal successors, (246), 185 states have internal predecessors, (246), 82 states have call successors, (82), 30 states have call predecessors, (82), 29 states have return successors, (79), 78 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 04:39:19,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 407 transitions. [2024-11-09 04:39:19,169 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 407 transitions. Word has length 108 [2024-11-09 04:39:19,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:39:19,170 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 407 transitions. [2024-11-09 04:39:19,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 3.4) internal successors, (51), 14 states have internal predecessors, (51), 7 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-09 04:39:19,171 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 407 transitions. [2024-11-09 04:39:19,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 04:39:19,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:39:19,173 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 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 04:39:19,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:39:19,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:39:19,374 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:39:19,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:39:19,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1838135720, now seen corresponding path program 1 times [2024-11-09 04:39:19,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:39:19,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502449615] [2024-11-09 04:39:19,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:39:19,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:39:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:39:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 04:39:19,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:39:19,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502449615] [2024-11-09 04:39:19,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502449615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:39:19,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:39:19,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:39:19,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713246525] [2024-11-09 04:39:19,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:39:19,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:39:19,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:39:19,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:39:19,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:39:19,498 INFO L87 Difference]: Start difference. First operand 292 states and 407 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 04:39:19,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:39:19,715 INFO L93 Difference]: Finished difference Result 687 states and 994 transitions. [2024-11-09 04:39:19,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:39:19,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 102 [2024-11-09 04:39:19,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:39:19,719 INFO L225 Difference]: With dead ends: 687 [2024-11-09 04:39:19,720 INFO L226 Difference]: Without dead ends: 419 [2024-11-09 04:39:19,721 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 04:39:19,722 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 57 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:39:19,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 510 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:39:19,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-09 04:39:19,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 414. [2024-11-09 04:39:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 271 states have (on average 1.4243542435424354) internal successors, (386), 276 states have internal predecessors, (386), 113 states have call successors, (113), 30 states have call predecessors, (113), 29 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-09 04:39:19,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 609 transitions. [2024-11-09 04:39:19,818 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 609 transitions. Word has length 102 [2024-11-09 04:39:19,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:39:19,818 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 609 transitions. [2024-11-09 04:39:19,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 04:39:19,819 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 609 transitions. [2024-11-09 04:39:19,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 04:39:19,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:39:19,822 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 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] [2024-11-09 04:39:19,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 04:39:19,823 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:39:19,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:39:19,823 INFO L85 PathProgramCache]: Analyzing trace with hash 238354635, now seen corresponding path program 1 times [2024-11-09 04:39:19,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:39:19,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635543711] [2024-11-09 04:39:19,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:39:19,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:39:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:39:20,015 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 04:39:20,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:39:20,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635543711] [2024-11-09 04:39:20,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635543711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:39:20,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880305261] [2024-11-09 04:39:20,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:39:20,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:39:20,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:39:20,019 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:39:20,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 04:39:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:39:20,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:39:20,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:39:20,495 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 04:39:20,496 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:39:20,618 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 04:39:20,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880305261] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:39:20,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1566911789] [2024-11-09 04:39:20,623 INFO L159 IcfgInterpreter]: Started Sifa with 91 locations of interest [2024-11-09 04:39:20,626 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:39:20,627 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:39:20,627 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:39:20,628 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:39:59,380 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 04:39:59,498 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 453 for LOIs [2024-11-09 04:40:00,773 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:40:25,147 WARN L286 SmtUtils]: Spent 7.71s on a formula simplification. DAG size of input: 453 DAG size of output: 454 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:40:36,394 WARN L286 SmtUtils]: Spent 10.89s on a formula simplification. DAG size of input: 477 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:41:37,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1566911789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:37,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:41:37,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 04:41:37,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13664088] [2024-11-09 04:41:37,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:37,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 04:41:37,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:41:37,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 04:41:37,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 04:41:37,778 INFO L87 Difference]: Start difference. First operand 414 states and 609 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, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2024-11-09 04:41:51,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:51,114 INFO L93 Difference]: Finished difference Result 838 states and 1261 transitions. [2024-11-09 04:41:51,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 04:41:51,115 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, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) Word has length 114 [2024-11-09 04:41:51,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:51,119 INFO L225 Difference]: With dead ends: 838 [2024-11-09 04:41:51,119 INFO L226 Difference]: Without dead ends: 487 [2024-11-09 04:41:51,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 97.0s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 04:41:51,122 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 43 mSDsluCounter, 4080 mSDsCounter, 0 mSdLazyCounter, 2816 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 2824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:51,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 4312 Invalid, 2824 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2816 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2024-11-09 04:41:51,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-09 04:41:51,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 428. [2024-11-09 04:41:51,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 283 states have (on average 1.4240282685512367) internal successors, (403), 288 states have internal predecessors, (403), 114 states have call successors, (114), 31 states have call predecessors, (114), 30 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-09 04:41:51,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 628 transitions. [2024-11-09 04:41:51,259 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 628 transitions. Word has length 114 [2024-11-09 04:41:51,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:51,260 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 628 transitions. [2024-11-09 04:41:51,260 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, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2024-11-09 04:41:51,261 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 628 transitions. [2024-11-09 04:41:51,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 04:41:51,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:51,264 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 04:41:51,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 04:41:51,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 04:41:51,468 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:41:51,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:51,469 INFO L85 PathProgramCache]: Analyzing trace with hash 204201044, now seen corresponding path program 1 times [2024-11-09 04:41:51,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:41:51,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122251509] [2024-11-09 04:41:51,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:51,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:51,657 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:41:51,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:41:51,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122251509] [2024-11-09 04:41:51,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122251509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:41:51,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833054120] [2024-11-09 04:41:51,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:51,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:41:51,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:41:51,660 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:41:51,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 04:41:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:52,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:41:52,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:41:52,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:41:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:41:52,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833054120] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:41:52,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [373660184] [2024-11-09 04:41:52,258 INFO L159 IcfgInterpreter]: Started Sifa with 89 locations of interest [2024-11-09 04:41:52,262 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:41:52,263 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:41:52,263 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:41:52,263 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:42:59,211 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 04:42:59,330 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 545 for LOIs [2024-11-09 04:43:01,734 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 508 for LOIs [2024-11-09 04:43:02,915 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 444 for LOIs [2024-11-09 04:43:03,420 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 04:43:03,596 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:44:08,521 WARN L286 SmtUtils]: Spent 13.74s on a formula simplification. DAG size of input: 528 DAG size of output: 523 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:44:23,084 WARN L286 SmtUtils]: Spent 13.72s on a formula simplification. DAG size of input: 529 DAG size of output: 523 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:44:44,856 WARN L286 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 509 DAG size of output: 509 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:44:51,137 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 514 DAG size of output: 510 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:44:57,258 WARN L286 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 508 DAG size of output: 504 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:45:03,413 WARN L286 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 508 DAG size of output: 504 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:45:14,136 WARN L286 SmtUtils]: Spent 10.22s on a formula simplification. DAG size of input: 550 DAG size of output: 542 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:45:24,541 WARN L286 SmtUtils]: Spent 9.87s on a formula simplification. DAG size of input: 545 DAG size of output: 537 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:45:34,847 WARN L286 SmtUtils]: Spent 9.81s on a formula simplification. DAG size of input: 545 DAG size of output: 537 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:45:40,684 WARN L286 SmtUtils]: Spent 5.21s 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 04:45:40,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [373660184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:45:40,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:45:40,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 04:45:40,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776567968] [2024-11-09 04:45:40,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:45:40,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 04:45:40,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:45:40,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 04:45:40,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 04:45:40,691 INFO L87 Difference]: Start difference. First operand 428 states and 628 transitions. Second operand has 33 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 10 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2024-11-09 04:46:02,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:02,532 INFO L93 Difference]: Finished difference Result 863 states and 1296 transitions. [2024-11-09 04:46:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 04:46:02,533 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 10 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) Word has length 106 [2024-11-09 04:46:02,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:02,538 INFO L225 Difference]: With dead ends: 863 [2024-11-09 04:46:02,538 INFO L226 Difference]: Without dead ends: 512 [2024-11-09 04:46:02,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 157.1s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 04:46:02,541 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 104 mSDsluCounter, 4180 mSDsCounter, 0 mSdLazyCounter, 3587 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 4411 SdHoareTripleChecker+Invalid, 3596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:46:02,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 4411 Invalid, 3596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3587 Invalid, 0 Unknown, 0 Unchecked, 21.5s Time] [2024-11-09 04:46:02,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-09 04:46:02,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 464. [2024-11-09 04:46:02,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 313 states have (on average 1.4217252396166133) internal successors, (445), 318 states have internal predecessors, (445), 117 states have call successors, (117), 34 states have call predecessors, (117), 33 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-09 04:46:02,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 676 transitions. [2024-11-09 04:46:02,753 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 676 transitions. Word has length 106 [2024-11-09 04:46:02,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:02,754 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 676 transitions. [2024-11-09 04:46:02,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 10 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2024-11-09 04:46:02,754 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 676 transitions. [2024-11-09 04:46:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 04:46:02,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:02,757 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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 04:46:02,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 04:46:02,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:46:02,958 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:02,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:02,959 INFO L85 PathProgramCache]: Analyzing trace with hash 392199571, now seen corresponding path program 1 times [2024-11-09 04:46:02,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:02,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634906494] [2024-11-09 04:46:02,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:02,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:03,135 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:46:03,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:03,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634906494] [2024-11-09 04:46:03,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634906494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:46:03,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231773984] [2024-11-09 04:46:03,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:03,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:46:03,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:46:03,138 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:46:03,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 04:46:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:03,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:46:03,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:46:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:46:03,614 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:46:03,723 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:46:03,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231773984] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:46:03,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [490804108] [2024-11-09 04:46:03,727 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2024-11-09 04:46:03,727 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:46:03,727 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:46:03,728 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:46:03,728 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:46:42,423 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 04:46:42,576 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 04:46:42,761 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:48:10,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [490804108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:48:10,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:48:10,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 04:48:10,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016598988] [2024-11-09 04:48:10,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:48:10,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 04:48:10,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:48:10,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 04:48:10,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 04:48:10,020 INFO L87 Difference]: Start difference. First operand 464 states and 676 transitions. Second operand has 27 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 18 states have internal predecessors, (56), 7 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-09 04:48:18,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:48:18,610 INFO L93 Difference]: Finished difference Result 864 states and 1285 transitions. [2024-11-09 04:48:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 04:48:18,611 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 18 states have internal predecessors, (56), 7 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 105 [2024-11-09 04:48:18,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:48:18,615 INFO L225 Difference]: With dead ends: 864 [2024-11-09 04:48:18,615 INFO L226 Difference]: Without dead ends: 513 [2024-11-09 04:48:18,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 87.3s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 04:48:18,618 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 18 mSDsluCounter, 3188 mSDsCounter, 0 mSdLazyCounter, 2031 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3413 SdHoareTripleChecker+Invalid, 2039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:48:18,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3413 Invalid, 2039 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2031 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-11-09 04:48:18,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-11-09 04:48:18,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 484. [2024-11-09 04:48:18,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 333 states have (on average 1.4264264264264264) internal successors, (475), 338 states have internal predecessors, (475), 117 states have call successors, (117), 34 states have call predecessors, (117), 33 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-09 04:48:18,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 706 transitions. [2024-11-09 04:48:18,799 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 706 transitions. Word has length 105 [2024-11-09 04:48:18,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:48:18,799 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 706 transitions. [2024-11-09 04:48:18,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 18 states have internal predecessors, (56), 7 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-09 04:48:18,800 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 706 transitions. [2024-11-09 04:48:18,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 04:48:18,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:48:18,803 INFO L215 NwaCegarLoop]: trace histogram [4, 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 04:48:18,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 04:48:19,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:48:19,004 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:48:19,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:48:19,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1326435946, now seen corresponding path program 1 times [2024-11-09 04:48:19,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:48:19,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645907128] [2024-11-09 04:48:19,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:19,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:48:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:19,249 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 04:48:19,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:48:19,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645907128] [2024-11-09 04:48:19,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645907128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:48:19,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434510774] [2024-11-09 04:48:19,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:19,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:48:19,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:48:19,252 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:48:19,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae92dd3-8cd8-4367-bce3-392cb175c250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 04:48:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:19,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:48:19,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:48:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 04:48:19,723 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:48:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 04:48:19,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434510774] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:48:19,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1744315822] [2024-11-09 04:48:19,826 INFO L159 IcfgInterpreter]: Started Sifa with 84 locations of interest [2024-11-09 04:48:19,826 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:48:19,826 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:48:19,826 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:48:19,827 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:48:53,529 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 04:48:53,651 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 273 for LOIs [2024-11-09 04:48:56,937 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 244 for LOIs [2024-11-09 04:48:57,041 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 453 for LOIs [2024-11-09 04:48:58,330 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 271 for LOIs [2024-11-09 04:49:02,021 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Encrypt with input of size 276 for LOIs [2024-11-09 04:49:20,389 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 271 for LOIs [2024-11-09 04:49:20,582 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 280 for LOIs [2024-11-09 04:49:21,492 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 235 for LOIs [2024-11-09 04:49:21,660 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailFrom with input of size 253 for LOIs [2024-11-09 04:49:21,789 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 230 for LOIs [2024-11-09 04:49:21,885 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 237 for LOIs [2024-11-09 04:49:21,980 INFO L197 IcfgInterpreter]: Interpreting procedure isSigned with input of size 268 for LOIs [2024-11-09 04:49:22,190 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 249 for LOIs [2024-11-09 04:49:22,307 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:49:48,938 WARN L286 SmtUtils]: Spent 7.94s on a formula simplification. DAG size of input: 453 DAG size of output: 454 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:50:00,483 WARN L286 SmtUtils]: Spent 11.12s on a formula simplification. DAG size of input: 477 DAG size of output: 472 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:51:18,885 WARN L286 SmtUtils]: Spent 6.81s on a formula simplification. DAG size of input: 280 DAG size of output: 264 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:51:29,519 WARN L286 SmtUtils]: Spent 9.69s on a formula simplification. DAG size of input: 298 DAG size of output: 271 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)