./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product35.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_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/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_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/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_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/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 a235b81518d1466c5f4be9b22c3eaea6ff575e28236a3798a0ed19e321bfc6e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:36:25,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:36:25,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:36:25,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:36:25,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:36:25,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:36:25,674 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:36:25,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:36:25,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:36:25,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:36:25,677 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:36:25,677 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:36:25,678 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:36:25,678 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:36:25,678 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:36:25,679 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:36:25,679 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:36:25,680 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:36:25,680 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:36:25,681 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:36:25,681 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:36:25,682 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:36:25,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:36:25,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:36:25,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:36:25,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:36:25,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:36:25,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:36:25,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:36:25,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:36:25,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:36:25,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:36:25,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:36:25,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:36:25,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:36:25,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:36:25,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:36:25,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:36:25,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:36:25,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:36:25,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:36:25,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:36:25,691 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:36:25,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:36:25,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:36:25,692 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:36:25,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:36:25,693 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_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a235b81518d1466c5f4be9b22c3eaea6ff575e28236a3798a0ed19e321bfc6e0 [2024-11-09 05:36:25,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:36:26,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:36:26,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:36:26,029 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:36:26,029 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:36:26,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec3_product35.cil.c Unable to find full path for "g++" [2024-11-09 05:36:28,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:36:28,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:36:28,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/sv-benchmarks/c/product-lines/email_spec3_product35.cil.c [2024-11-09 05:36:28,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/data/33ab11b79/a2df1a7444b8491bbb98dd4dad9af281/FLAG0b4f28aed [2024-11-09 05:36:28,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/data/33ab11b79/a2df1a7444b8491bbb98dd4dad9af281 [2024-11-09 05:36:28,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:36:28,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:36:28,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:36:28,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:36:28,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:36:28,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:36:28" (1/1) ... [2024-11-09 05:36:28,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ebe3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28, skipping insertion in model container [2024-11-09 05:36:28,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:36:28" (1/1) ... [2024-11-09 05:36:28,763 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:36:29,551 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_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/sv-benchmarks/c/product-lines/email_spec3_product35.cil.c[61781,61794] [2024-11-09 05:36:29,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:36:29,593 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:36:29,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-09 05:36:29,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [392] [2024-11-09 05:36:29,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignVerify_spec.i","") [854] [2024-11-09 05:36:29,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [913] [2024-11-09 05:36:29,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1973] [2024-11-09 05:36:29,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2372] [2024-11-09 05:36:29,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2507] [2024-11-09 05:36:29,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2873] [2024-11-09 05:36:29,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2908] [2024-11-09 05:36:29,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2925] [2024-11-09 05:36:29,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2934] [2024-11-09 05:36:29,802 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_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/sv-benchmarks/c/product-lines/email_spec3_product35.cil.c[61781,61794] [2024-11-09 05:36:29,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:36:29,855 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:36:29,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:29 WrapperNode [2024-11-09 05:36:29,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:36:29,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:36:29,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:36:29,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:36:29,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:29" (1/1) ... [2024-11-09 05:36:29,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:29" (1/1) ... [2024-11-09 05:36:29,955 INFO L138 Inliner]: procedures = 138, calls = 234, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1184 [2024-11-09 05:36:29,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:36:29,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:36:29,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:36:29,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:36:29,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:29" (1/1) ... [2024-11-09 05:36:29,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:29" (1/1) ... [2024-11-09 05:36:29,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:29" (1/1) ... [2024-11-09 05:36:29,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:29" (1/1) ... [2024-11-09 05:36:29,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:29" (1/1) ... [2024-11-09 05:36:30,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:29" (1/1) ... [2024-11-09 05:36:30,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:29" (1/1) ... [2024-11-09 05:36:30,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:29" (1/1) ... [2024-11-09 05:36:30,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:36:30,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:36:30,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:36:30,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:36:30,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:29" (1/1) ... [2024-11-09 05:36:30,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:36:30,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:36:30,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:36:30,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:36:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 05:36:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 05:36:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 05:36:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 05:36:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 05:36:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 05:36:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 05:36:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 05:36:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 05:36:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 05:36:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 05:36:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 05:36:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-09 05:36:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-09 05:36:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 05:36:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 05:36:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 05:36:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 05:36:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 05:36:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 05:36:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 05:36:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 05:36:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 05:36:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 05:36:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 05:36:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 05:36:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 05:36:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 05:36:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-09 05:36:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-09 05:36:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 05:36:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 05:36:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:36:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 05:36:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 05:36:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 05:36:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 05:36:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 05:36:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 05:36:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 05:36:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 05:36:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-09 05:36:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-09 05:36:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 05:36:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 05:36:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 05:36:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 05:36:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 05:36:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 05:36:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 05:36:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 05:36:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 05:36:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 05:36:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 05:36:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 05:36:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 05:36:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 05:36:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:36:30,157 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 05:36:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 05:36:30,157 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 05:36:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 05:36:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:36:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:36:30,438 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:36:30,440 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:36:31,789 INFO L? ?]: Removed 614 outVars from TransFormulas that were not future-live. [2024-11-09 05:36:31,789 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:36:32,688 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:36:32,688 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:36:32,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:36:32 BoogieIcfgContainer [2024-11-09 05:36:32,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:36:32,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:36:32,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:36:32,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:36:32,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:36:28" (1/3) ... [2024-11-09 05:36:32,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebc6b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:36:32, skipping insertion in model container [2024-11-09 05:36:32,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:29" (2/3) ... [2024-11-09 05:36:32,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebc6b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:36:32, skipping insertion in model container [2024-11-09 05:36:32,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:36:32" (3/3) ... [2024-11-09 05:36:32,702 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_product35.cil.c [2024-11-09 05:36:32,728 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:36:32,728 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:36:32,820 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:36:32,827 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;@2747711, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:36:32,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:36:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 252 states, 140 states have (on average 1.2857142857142858) internal successors, (180), 147 states have internal predecessors, (180), 80 states have call successors, (80), 30 states have call predecessors, (80), 30 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 05:36:32,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 05:36:32,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:32,851 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:32,852 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:36:32,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:32,859 INFO L85 PathProgramCache]: Analyzing trace with hash -397383263, now seen corresponding path program 1 times [2024-11-09 05:36:32,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:32,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428405516] [2024-11-09 05:36:32,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:32,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:33,368 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:36:33,369 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:33,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428405516] [2024-11-09 05:36:33,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428405516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:33,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:33,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:33,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193601010] [2024-11-09 05:36:33,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:33,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:36:33,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:33,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:36:33,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:36:33,415 INFO L87 Difference]: Start difference. First operand has 252 states, 140 states have (on average 1.2857142857142858) internal successors, (180), 147 states have internal predecessors, (180), 80 states have call successors, (80), 30 states have call predecessors, (80), 30 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 05:36:33,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:33,636 INFO L93 Difference]: Finished difference Result 411 states and 551 transitions. [2024-11-09 05:36:33,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:36:33,639 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 90 [2024-11-09 05:36:33,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:33,655 INFO L225 Difference]: With dead ends: 411 [2024-11-09 05:36:33,656 INFO L226 Difference]: Without dead ends: 248 [2024-11-09 05:36:33,661 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 05:36:33,665 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:33,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 287 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:36:33,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-09 05:36:33,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2024-11-09 05:36:33,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 138 states have (on average 1.2608695652173914) internal successors, (174), 143 states have internal predecessors, (174), 80 states have call successors, (80), 30 states have call predecessors, (80), 29 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-09 05:36:33,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 331 transitions. [2024-11-09 05:36:33,756 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 331 transitions. Word has length 90 [2024-11-09 05:36:33,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:33,758 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 331 transitions. [2024-11-09 05:36:33,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 05:36:33,760 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 331 transitions. [2024-11-09 05:36:33,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 05:36:33,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:33,769 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:33,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:36:33,769 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:36:33,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:33,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1400019382, now seen corresponding path program 1 times [2024-11-09 05:36:33,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:33,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489388298] [2024-11-09 05:36:33,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:33,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:36:34,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:34,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489388298] [2024-11-09 05:36:34,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489388298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:34,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:34,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:36:34,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890692889] [2024-11-09 05:36:34,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:34,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:34,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:34,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:34,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:34,210 INFO L87 Difference]: Start difference. First operand 248 states and 331 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 05:36:34,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:34,456 INFO L93 Difference]: Finished difference Result 406 states and 532 transitions. [2024-11-09 05:36:34,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:34,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 91 [2024-11-09 05:36:34,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:34,460 INFO L225 Difference]: With dead ends: 406 [2024-11-09 05:36:34,464 INFO L226 Difference]: Without dead ends: 250 [2024-11-09 05:36:34,466 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 05:36:34,467 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 0 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:34,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 567 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:36:34,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-09 05:36:34,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2024-11-09 05:36:34,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 140 states have (on average 1.2571428571428571) internal successors, (176), 145 states have internal predecessors, (176), 80 states have call successors, (80), 30 states have call predecessors, (80), 29 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-09 05:36:34,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 333 transitions. [2024-11-09 05:36:34,508 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 333 transitions. Word has length 91 [2024-11-09 05:36:34,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:34,509 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 333 transitions. [2024-11-09 05:36:34,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 05:36:34,510 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 333 transitions. [2024-11-09 05:36:34,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 05:36:34,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:34,515 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 05:36:34,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:36:34,516 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:36:34,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:34,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1576339577, now seen corresponding path program 1 times [2024-11-09 05:36:34,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:34,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801803787] [2024-11-09 05:36:34,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:34,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:34,752 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 05:36:34,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:34,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801803787] [2024-11-09 05:36:34,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801803787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:34,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:34,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:36:34,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182048732] [2024-11-09 05:36:34,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:34,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:34,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:34,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:34,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:34,755 INFO L87 Difference]: Start difference. First operand 250 states and 333 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 05:36:34,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:34,938 INFO L93 Difference]: Finished difference Result 535 states and 733 transitions. [2024-11-09 05:36:34,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:34,939 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 05:36:34,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:34,942 INFO L225 Difference]: With dead ends: 535 [2024-11-09 05:36:34,942 INFO L226 Difference]: Without dead ends: 303 [2024-11-09 05:36:34,943 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 05:36:34,944 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 59 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:34,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 577 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:36:34,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-09 05:36:34,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 298. [2024-11-09 05:36:34,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 174 states have (on average 1.3275862068965518) internal successors, (231), 179 states have internal predecessors, (231), 94 states have call successors, (94), 30 states have call predecessors, (94), 29 states have return successors, (91), 90 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-09 05:36:35,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 416 transitions. [2024-11-09 05:36:35,039 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 416 transitions. Word has length 96 [2024-11-09 05:36:35,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:35,039 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 416 transitions. [2024-11-09 05:36:35,039 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 05:36:35,040 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 416 transitions. [2024-11-09 05:36:35,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 05:36:35,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:35,049 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 05:36:35,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:36:35,050 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:36:35,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:35,051 INFO L85 PathProgramCache]: Analyzing trace with hash -2056828199, now seen corresponding path program 1 times [2024-11-09 05:36:35,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:35,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076891167] [2024-11-09 05:36:35,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:35,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:35,414 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 05:36:35,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:35,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076891167] [2024-11-09 05:36:35,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076891167] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:36:35,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340865005] [2024-11-09 05:36:35,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:35,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:35,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:36:35,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:36:35,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:36:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:35,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:36:35,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:36:36,061 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 05:36:36,064 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:36:36,232 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 05:36:36,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340865005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:36:36,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [876960321] [2024-11-09 05:36:36,258 INFO L159 IcfgInterpreter]: Started Sifa with 87 locations of interest [2024-11-09 05:36:36,258 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:36:36,262 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:36:36,268 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:36:36,268 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:37:13,705 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 05:37:13,914 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-09 05:37:14,199 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:38:19,007 WARN L286 SmtUtils]: Spent 11.19s on a formula simplification. DAG size of input: 469 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:38:31,474 WARN L286 SmtUtils]: Spent 11.46s on a formula simplification. DAG size of input: 470 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:38:41,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [876960321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:41,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:38:41,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 05:38:41,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192202505] [2024-11-09 05:38:41,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:41,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 05:38:41,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:41,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 05:38:41,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:38:41,466 INFO L87 Difference]: Start difference. First operand 298 states and 416 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 05:38:57,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:57,968 INFO L93 Difference]: Finished difference Result 611 states and 870 transitions. [2024-11-09 05:38:57,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 05:38:57,971 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 05:38:57,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:57,979 INFO L225 Difference]: With dead ends: 611 [2024-11-09 05:38:57,979 INFO L226 Difference]: Without dead ends: 331 [2024-11-09 05:38:57,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 90.8s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2024-11-09 05:38:57,985 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 26 mSDsluCounter, 3724 mSDsCounter, 0 mSdLazyCounter, 2383 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3990 SdHoareTripleChecker+Invalid, 2393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:57,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3990 Invalid, 2393 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2383 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2024-11-09 05:38:57,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-09 05:38:58,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 321. [2024-11-09 05:38:58,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 196 states have (on average 1.346938775510204) internal successors, (264), 201 states have internal predecessors, (264), 94 states have call successors, (94), 31 states have call predecessors, (94), 30 states have return successors, (91), 90 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-09 05:38:58,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 449 transitions. [2024-11-09 05:38:58,117 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 449 transitions. Word has length 108 [2024-11-09 05:38:58,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:58,118 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 449 transitions. [2024-11-09 05:38:58,118 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 05:38:58,118 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 449 transitions. [2024-11-09 05:38:58,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 05:38:58,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:58,123 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] [2024-11-09 05:38:58,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:38:58,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:38:58,328 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:58,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:58,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1205951355, now seen corresponding path program 1 times [2024-11-09 05:38:58,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:58,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14819966] [2024-11-09 05:38:58,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:58,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:58,506 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 05:38:58,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:58,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14819966] [2024-11-09 05:38:58,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14819966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:58,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:58,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:38:58,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274072585] [2024-11-09 05:38:58,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:58,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:38:58,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:58,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:38:58,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:38:58,513 INFO L87 Difference]: Start difference. First operand 321 states and 449 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:38:58,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:58,812 INFO L93 Difference]: Finished difference Result 745 states and 1078 transitions. [2024-11-09 05:38:58,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:38:58,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 113 [2024-11-09 05:38:58,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:58,818 INFO L225 Difference]: With dead ends: 745 [2024-11-09 05:38:58,824 INFO L226 Difference]: Without dead ends: 448 [2024-11-09 05:38:58,825 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 05:38:58,826 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 57 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:58,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 572 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:38:58,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-09 05:38:58,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 443. [2024-11-09 05:38:58,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 287 states have (on average 1.4076655052264808) internal successors, (404), 292 states have internal predecessors, (404), 125 states have call successors, (125), 31 states have call predecessors, (125), 30 states have return successors, (122), 121 states have call predecessors, (122), 122 states have call successors, (122) [2024-11-09 05:38:58,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 651 transitions. [2024-11-09 05:38:58,933 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 651 transitions. Word has length 113 [2024-11-09 05:38:58,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:58,934 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 651 transitions. [2024-11-09 05:38:58,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:38:58,934 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 651 transitions. [2024-11-09 05:38:58,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 05:38:58,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:58,937 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 05:38:58,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:38:58,937 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:58,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:58,938 INFO L85 PathProgramCache]: Analyzing trace with hash -12438255, now seen corresponding path program 1 times [2024-11-09 05:38:58,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:58,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575989282] [2024-11-09 05:38:58,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:58,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:59,130 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 05:38:59,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:59,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575989282] [2024-11-09 05:38:59,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575989282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:38:59,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974513543] [2024-11-09 05:38:59,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:59,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:38:59,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:38:59,133 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:38:59,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:38:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:59,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:38:59,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:38:59,626 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 05:38:59,627 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:38:59,748 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 05:38:59,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974513543] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:38:59,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [561296807] [2024-11-09 05:38:59,752 INFO L159 IcfgInterpreter]: Started Sifa with 91 locations of interest [2024-11-09 05:38:59,753 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:38:59,753 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:38:59,754 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:38:59,754 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:39:40,433 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 05:39:40,559 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 453 for LOIs [2024-11-09 05:39:41,994 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:40:08,888 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification. DAG size of input: 453 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:40:21,431 WARN L286 SmtUtils]: Spent 12.10s 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 05:41:08,291 WARN L286 SmtUtils]: Spent 11.69s on a formula simplification. DAG size of input: 470 DAG size of output: 470 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:41:20,910 WARN L286 SmtUtils]: Spent 11.41s on a formula simplification. DAG size of input: 471 DAG size of output: 470 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:41:37,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [561296807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:37,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:41:37,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 05:41:37,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674221908] [2024-11-09 05:41:37,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:37,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 05:41:37,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:37,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 05:41:37,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=891, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:41:37,308 INFO L87 Difference]: Start difference. First operand 443 states and 651 transitions. Second operand has 27 states, 18 states have (on average 3.0) internal successors, (54), 17 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 05:41:44,660 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 478 DAG size of output: 474 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:42:11,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:11,413 INFO L93 Difference]: Finished difference Result 898 states and 1347 transitions. [2024-11-09 05:42:11,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 05:42:11,414 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 3.0) internal successors, (54), 17 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 05:42:11,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:11,419 INFO L225 Difference]: With dead ends: 898 [2024-11-09 05:42:11,420 INFO L226 Difference]: Without dead ends: 518 [2024-11-09 05:42:11,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 134.5s TimeCoverageRelationStatistics Valid=131, Invalid=1129, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 05:42:11,426 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 70 mSDsluCounter, 4595 mSDsCounter, 0 mSdLazyCounter, 3023 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 4865 SdHoareTripleChecker+Invalid, 3035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 3023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:11,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 4865 Invalid, 3035 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 3023 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2024-11-09 05:42:11,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-09 05:42:11,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 457. [2024-11-09 05:42:11,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 299 states have (on average 1.4080267558528428) internal successors, (421), 304 states have internal predecessors, (421), 126 states have call successors, (126), 32 states have call predecessors, (126), 31 states have return successors, (123), 122 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-09 05:42:11,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 670 transitions. [2024-11-09 05:42:11,577 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 670 transitions. Word has length 114 [2024-11-09 05:42:11,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:11,578 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 670 transitions. [2024-11-09 05:42:11,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 3.0) internal successors, (54), 17 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 05:42:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 670 transitions. [2024-11-09 05:42:11,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 05:42:11,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:11,582 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:11,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 05:42:11,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:42:11,782 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:42:11,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:11,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1566561969, now seen corresponding path program 1 times [2024-11-09 05:42:11,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:11,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793293985] [2024-11-09 05:42:11,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:11,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:12,027 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 05:42:12,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:12,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793293985] [2024-11-09 05:42:12,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793293985] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:42:12,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544462946] [2024-11-09 05:42:12,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:12,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:42:12,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:42:12,031 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:42:12,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:42:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:12,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:42:12,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:42:12,568 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 05:42:12,569 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:42:12,692 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 05:42:12,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544462946] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:42:12,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [586607525] [2024-11-09 05:42:12,702 INFO L159 IcfgInterpreter]: Started Sifa with 96 locations of interest [2024-11-09 05:42:12,702 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:42:12,703 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:42:12,703 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:42:12,703 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:43:18,031 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 05:43:18,149 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 499 for LOIs [2024-11-09 05:43:19,228 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 508 for LOIs [2024-11-09 05:43:20,447 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 444 for LOIs [2024-11-09 05:43:20,845 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-09 05:43:21,025 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:44:29,727 WARN L286 SmtUtils]: Spent 15.20s 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 05:44:45,078 WARN L286 SmtUtils]: Spent 14.63s 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 05:45:07,780 WARN L286 SmtUtils]: Spent 5.82s 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 05:45:14,515 WARN L286 SmtUtils]: Spent 6.09s 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 05:45:21,166 WARN L286 SmtUtils]: Spent 6.09s 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 05:45:28,051 WARN L286 SmtUtils]: Spent 6.30s 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 05:45:34,874 WARN L286 SmtUtils]: Spent 6.15s on a formula simplification. DAG size of input: 504 DAG size of output: 500 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:45:41,469 WARN L286 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 499 DAG size of output: 495 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:45:48,114 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 499 DAG size of output: 495 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:45:54,830 WARN L286 SmtUtils]: Spent 5.95s 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 05:45:54,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [586607525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:54,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:45:54,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 05:45:54,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777054747] [2024-11-09 05:45:54,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:54,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:45:54,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:54,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:45:54,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 05:45:54,839 INFO L87 Difference]: Start difference. First operand 457 states and 670 transitions. Second operand has 33 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 18 states have internal predecessors, (54), 10 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (24), 10 states have call predecessors, (24), 10 states have call successors, (24) [2024-11-09 05:46:29,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:29,785 INFO L93 Difference]: Finished difference Result 921 states and 1380 transitions. [2024-11-09 05:46:29,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 05:46:29,786 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 18 states have internal predecessors, (54), 10 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (24), 10 states have call predecessors, (24), 10 states have call successors, (24) Word has length 117 [2024-11-09 05:46:29,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:29,791 INFO L225 Difference]: With dead ends: 921 [2024-11-09 05:46:29,791 INFO L226 Difference]: Without dead ends: 541 [2024-11-09 05:46:29,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 157.9s TimeCoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 05:46:29,795 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 52 mSDsluCounter, 4928 mSDsCounter, 0 mSdLazyCounter, 4690 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 5194 SdHoareTripleChecker+Invalid, 4700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 4690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:29,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 5194 Invalid, 4700 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10 Valid, 4690 Invalid, 0 Unknown, 0 Unchecked, 30.4s Time] [2024-11-09 05:46:29,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-09 05:46:29,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 493. [2024-11-09 05:46:29,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 329 states have (on average 1.4072948328267476) internal successors, (463), 334 states have internal predecessors, (463), 129 states have call successors, (129), 35 states have call predecessors, (129), 34 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-09 05:46:30,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 718 transitions. [2024-11-09 05:46:30,002 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 718 transitions. Word has length 117 [2024-11-09 05:46:30,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:30,003 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 718 transitions. [2024-11-09 05:46:30,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 18 states have internal predecessors, (54), 10 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (24), 10 states have call predecessors, (24), 10 states have call successors, (24) [2024-11-09 05:46:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 718 transitions. [2024-11-09 05:46:30,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 05:46:30,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:30,008 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 05:46:30,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 05:46:30,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:46:30,210 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:46:30,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:30,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1995143873, now seen corresponding path program 1 times [2024-11-09 05:46:30,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:30,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300080217] [2024-11-09 05:46:30,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:30,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:30,397 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 05:46:30,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:30,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300080217] [2024-11-09 05:46:30,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300080217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:46:30,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335586953] [2024-11-09 05:46:30,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:30,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:46:30,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:46:30,401 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:46:30,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:46:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:30,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 1087 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:46:30,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:46:31,016 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 05:46:31,017 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:46:31,142 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 05:46:31,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335586953] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:46:31,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1214513023] [2024-11-09 05:46:31,147 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2024-11-09 05:46:31,147 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:46:31,148 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:46:31,148 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:46:31,149 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:47:14,886 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 05:47:15,007 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-09 05:47:15,170 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:23,219 WARN L286 SmtUtils]: Spent 11.81s on a formula simplification. DAG size of input: 469 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:48:35,883 WARN L286 SmtUtils]: Spent 11.44s on a formula simplification. DAG size of input: 470 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:48:47,284 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 473 DAG size of output: 470 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:49:05,523 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 473 DAG size of output: 470 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:49:11,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1214513023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:11,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:49:11,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 05:49:11,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72532680] [2024-11-09 05:49:11,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:11,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 05:49:11,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:11,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 05:49:11,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:49:11,187 INFO L87 Difference]: Start difference. First operand 493 states and 718 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 05:49:34,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:34,649 INFO L93 Difference]: Finished difference Result 922 states and 1369 transitions. [2024-11-09 05:49:34,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 05:49:34,651 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 05:49:34,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:34,657 INFO L225 Difference]: With dead ends: 922 [2024-11-09 05:49:34,657 INFO L226 Difference]: Without dead ends: 542 [2024-11-09 05:49:34,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 282 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 120.5s TimeCoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:49:34,661 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 18 mSDsluCounter, 4393 mSDsCounter, 0 mSdLazyCounter, 3056 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 4653 SdHoareTripleChecker+Invalid, 3065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:34,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 4653 Invalid, 3065 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3056 Invalid, 0 Unknown, 0 Unchecked, 18.5s Time] [2024-11-09 05:49:34,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-09 05:49:34,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 513. [2024-11-09 05:49:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 349 states have (on average 1.4126074498567336) internal successors, (493), 354 states have internal predecessors, (493), 129 states have call successors, (129), 35 states have call predecessors, (129), 34 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-09 05:49:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 748 transitions. [2024-11-09 05:49:34,917 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 748 transitions. Word has length 105 [2024-11-09 05:49:34,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:34,918 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 748 transitions. [2024-11-09 05:49:34,918 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 05:49:34,918 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 748 transitions. [2024-11-09 05:49:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 05:49:34,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:34,923 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:34,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:49:35,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:49:35,124 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:49:35,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:35,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1907088365, now seen corresponding path program 1 times [2024-11-09 05:49:35,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:35,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880896446] [2024-11-09 05:49:35,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:35,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:35,915 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-09 05:49:35,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:35,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880896446] [2024-11-09 05:49:35,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880896446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:35,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:35,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 05:49:35,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137706087] [2024-11-09 05:49:35,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:35,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 05:49:35,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:35,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 05:49:35,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:49:35,919 INFO L87 Difference]: Start difference. First operand 513 states and 748 transitions. Second operand has 12 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 5 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-11-09 05:49:37,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:37,841 INFO L93 Difference]: Finished difference Result 1032 states and 1488 transitions. [2024-11-09 05:49:37,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 05:49:37,843 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 5 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) Word has length 119 [2024-11-09 05:49:37,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:37,851 INFO L225 Difference]: With dead ends: 1032 [2024-11-09 05:49:37,851 INFO L226 Difference]: Without dead ends: 881 [2024-11-09 05:49:37,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-09 05:49:37,857 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 307 mSDsluCounter, 1969 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 2255 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:37,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 2255 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1532 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:49:37,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2024-11-09 05:49:38,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 872. [2024-11-09 05:49:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 574 states have (on average 1.4198606271777003) internal successors, (815), 583 states have internal predecessors, (815), 237 states have call successors, (237), 62 states have call predecessors, (237), 60 states have return successors, (231), 230 states have call predecessors, (231), 231 states have call successors, (231) [2024-11-09 05:49:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1283 transitions. [2024-11-09 05:49:38,224 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1283 transitions. Word has length 119 [2024-11-09 05:49:38,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:38,225 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1283 transitions. [2024-11-09 05:49:38,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 5 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-11-09 05:49:38,225 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1283 transitions. [2024-11-09 05:49:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 05:49:38,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:38,230 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 05:49:38,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:49:38,230 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:49:38,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:38,231 INFO L85 PathProgramCache]: Analyzing trace with hash 854237834, now seen corresponding path program 1 times [2024-11-09 05:49:38,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:38,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672740687] [2024-11-09 05:49:38,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:38,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:38,534 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 05:49:38,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:38,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672740687] [2024-11-09 05:49:38,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672740687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:49:38,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613404319] [2024-11-09 05:49:38,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:38,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:49:38,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:49:38,538 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:49:38,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7bb02-11a3-486f-b405-f5b8f73ff77e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:49:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:39,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:49:39,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:49:39,223 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 05:49:39,223 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:49:39,360 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 05:49:39,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613404319] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:49:39,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [762931720] [2024-11-09 05:49:39,365 INFO L159 IcfgInterpreter]: Started Sifa with 84 locations of interest [2024-11-09 05:49:39,367 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:49:39,368 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:49:39,368 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:49:39,369 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:50:20,220 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 05:50:20,361 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 455 for LOIs [2024-11-09 05:50:21,816 INFO L180 IcfgInterpreter]: Interpretation finished