./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product27.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_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/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_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/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_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/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 7f7652bf269245a8144605490a4a891295a82bf8357d2cf3971e290586b4e5c1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:18:07,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:18:07,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:18:07,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:18:07,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:18:07,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:18:07,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:18:07,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:18:07,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:18:07,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:18:07,270 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:18:07,270 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:18:07,271 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:18:07,271 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:18:07,272 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:18:07,272 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:18:07,273 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:18:07,279 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:18:07,279 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:18:07,280 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:18:07,280 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:18:07,282 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:18:07,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:18:07,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:18:07,284 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:18:07,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:18:07,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:18:07,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:18:07,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:18:07,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:18:07,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:18:07,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:18:07,291 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:18:07,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:18:07,292 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:18:07,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:18:07,293 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:18:07,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:18:07,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:18:07,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:18:07,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:18:07,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:18:07,295 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:18:07,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:18:07,296 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:18:07,296 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:18:07,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:18:07,297 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_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f7652bf269245a8144605490a4a891295a82bf8357d2cf3971e290586b4e5c1 [2024-11-09 07:18:07,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:18:07,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:18:07,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:18:07,617 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:18:07,617 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:18:07,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec27_product27.cil.c Unable to find full path for "g++" [2024-11-09 07:18:09,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:18:10,197 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:18:10,198 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/sv-benchmarks/c/product-lines/email_spec27_product27.cil.c [2024-11-09 07:18:10,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/data/78ad93529/a59d3357817f488798d0a4a1420a9d97/FLAGfc9d166c9 [2024-11-09 07:18:10,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/data/78ad93529/a59d3357817f488798d0a4a1420a9d97 [2024-11-09 07:18:10,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:18:10,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:18:10,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:18:10,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:18:10,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:18:10,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:18:10" (1/1) ... [2024-11-09 07:18:10,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd0ff76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:10, skipping insertion in model container [2024-11-09 07:18:10,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:18:10" (1/1) ... [2024-11-09 07:18:10,368 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:18:11,069 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_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/sv-benchmarks/c/product-lines/email_spec27_product27.cil.c[57688,57701] [2024-11-09 07:18:11,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:18:11,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:18:11,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-11-09 07:18:11,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [167] [2024-11-09 07:18:11,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [533] [2024-11-09 07:18:11,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [937] [2024-11-09 07:18:11,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1170] [2024-11-09 07:18:11,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2250] [2024-11-09 07:18:11,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2558] [2024-11-09 07:18:11,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2593] [2024-11-09 07:18:11,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2602] [2024-11-09 07:18:11,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2633] [2024-11-09 07:18:11,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2650] [2024-11-09 07:18:11,408 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_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/sv-benchmarks/c/product-lines/email_spec27_product27.cil.c[57688,57701] [2024-11-09 07:18:11,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:18:11,474 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:18:11,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:11 WrapperNode [2024-11-09 07:18:11,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:18:11,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:18:11,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:18:11,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:18:11,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:11" (1/1) ... [2024-11-09 07:18:11,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:11" (1/1) ... [2024-11-09 07:18:11,618 INFO L138 Inliner]: procedures = 133, calls = 209, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1082 [2024-11-09 07:18:11,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:18:11,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:18:11,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:18:11,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:18:11,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:11" (1/1) ... [2024-11-09 07:18:11,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:11" (1/1) ... [2024-11-09 07:18:11,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:11" (1/1) ... [2024-11-09 07:18:11,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:11" (1/1) ... [2024-11-09 07:18:11,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:11" (1/1) ... [2024-11-09 07:18:11,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:11" (1/1) ... [2024-11-09 07:18:11,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:11" (1/1) ... [2024-11-09 07:18:11,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:11" (1/1) ... [2024-11-09 07:18:11,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:18:11,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:18:11,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:18:11,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:18:11,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:11" (1/1) ... [2024-11-09 07:18:11,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:18:11,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:18:11,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:18:11,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:18:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 07:18:11,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 07:18:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 07:18:11,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 07:18:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 07:18:11,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 07:18:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-09 07:18:11,815 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-09 07:18:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 07:18:11,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 07:18:11,816 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 07:18:11,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 07:18:11,816 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 07:18:11,816 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 07:18:11,816 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 07:18:11,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 07:18:11,817 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 07:18:11,817 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 07:18:11,817 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 07:18:11,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 07:18:11,818 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-09 07:18:11,818 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-09 07:18:11,818 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 07:18:11,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 07:18:11,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:18:11,818 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 07:18:11,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 07:18:11,819 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 07:18:11,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 07:18:11,819 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 07:18:11,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 07:18:11,819 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 07:18:11,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 07:18:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 07:18:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 07:18:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-09 07:18:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-09 07:18:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 07:18:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 07:18:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 07:18:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 07:18:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 07:18:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 07:18:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 07:18:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 07:18:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:18:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 07:18:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 07:18:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 07:18:11,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 07:18:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:18:11,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:18:12,089 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:18:12,093 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:18:13,591 INFO L? ?]: Removed 561 outVars from TransFormulas that were not future-live. [2024-11-09 07:18:13,591 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:18:14,667 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:18:14,667 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:18:14,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:18:14 BoogieIcfgContainer [2024-11-09 07:18:14,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:18:14,671 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:18:14,671 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:18:14,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:18:14,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:18:10" (1/3) ... [2024-11-09 07:18:14,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50122c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:18:14, skipping insertion in model container [2024-11-09 07:18:14,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:11" (2/3) ... [2024-11-09 07:18:14,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50122c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:18:14, skipping insertion in model container [2024-11-09 07:18:14,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:18:14" (3/3) ... [2024-11-09 07:18:14,678 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product27.cil.c [2024-11-09 07:18:14,699 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:18:14,699 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:18:14,774 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:18:14,782 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;@7f929cf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:18:14,782 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:18:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 116 states have (on average 1.3017241379310345) internal successors, (151), 119 states have internal predecessors, (151), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 07:18:14,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 07:18:14,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:18:14,804 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:18:14,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:18:14,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:18:14,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1731102906, now seen corresponding path program 1 times [2024-11-09 07:18:14,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:18:14,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362987720] [2024-11-09 07:18:14,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:14,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:18:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:18:15,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:18:15,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:18:15,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362987720] [2024-11-09 07:18:15,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362987720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:18:15,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:18:15,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:18:15,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269111794] [2024-11-09 07:18:15,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:18:15,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:18:15,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:18:15,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:18:15,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:18:15,560 INFO L87 Difference]: Start difference. First operand has 204 states, 116 states have (on average 1.3017241379310345) internal successors, (151), 119 states have internal predecessors, (151), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 07:18:15,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:18:15,790 INFO L93 Difference]: Finished difference Result 316 states and 421 transitions. [2024-11-09 07:18:15,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:18:15,793 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 75 [2024-11-09 07:18:15,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:18:15,809 INFO L225 Difference]: With dead ends: 316 [2024-11-09 07:18:15,809 INFO L226 Difference]: Without dead ends: 201 [2024-11-09 07:18:15,817 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 07:18:15,824 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:18:15,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 230 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:18:15,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-09 07:18:15,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2024-11-09 07:18:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 114 states have (on average 1.2719298245614035) internal successors, (145), 116 states have internal predecessors, (145), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-09 07:18:15,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 268 transitions. [2024-11-09 07:18:15,930 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 268 transitions. Word has length 75 [2024-11-09 07:18:15,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:18:15,935 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 268 transitions. [2024-11-09 07:18:15,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 07:18:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 268 transitions. [2024-11-09 07:18:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 07:18:15,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:18:15,947 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:18:15,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:18:15,948 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:18:15,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:18:15,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1762196375, now seen corresponding path program 1 times [2024-11-09 07:18:15,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:18:15,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967129216] [2024-11-09 07:18:15,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:15,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:18:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:18:16,365 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:18:16,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:18:16,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967129216] [2024-11-09 07:18:16,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967129216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:18:16,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:18:16,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:18:16,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399261524] [2024-11-09 07:18:16,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:18:16,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:18:16,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:18:16,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:18:16,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:18:16,376 INFO L87 Difference]: Start difference. First operand 201 states and 268 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 07:18:16,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:18:16,616 INFO L93 Difference]: Finished difference Result 312 states and 406 transitions. [2024-11-09 07:18:16,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:18:16,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 76 [2024-11-09 07:18:16,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:18:16,621 INFO L225 Difference]: With dead ends: 312 [2024-11-09 07:18:16,621 INFO L226 Difference]: Without dead ends: 203 [2024-11-09 07:18:16,626 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 07:18:16,628 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 0 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:18:16,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 453 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:18:16,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-09 07:18:16,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-09 07:18:16,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 116 states have (on average 1.2672413793103448) internal successors, (147), 118 states have internal predecessors, (147), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-09 07:18:16,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 270 transitions. [2024-11-09 07:18:16,669 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 270 transitions. Word has length 76 [2024-11-09 07:18:16,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:18:16,670 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 270 transitions. [2024-11-09 07:18:16,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 07:18:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 270 transitions. [2024-11-09 07:18:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 07:18:16,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:18:16,678 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:18:16,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:18:16,679 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:18:16,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:18:16,679 INFO L85 PathProgramCache]: Analyzing trace with hash -675860551, now seen corresponding path program 1 times [2024-11-09 07:18:16,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:18:16,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047676148] [2024-11-09 07:18:16,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:16,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:18:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:18:16,886 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:18:16,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:18:16,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047676148] [2024-11-09 07:18:16,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047676148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:18:16,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:18:16,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:18:16,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031034941] [2024-11-09 07:18:16,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:18:16,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:18:16,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:18:16,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:18:16,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:18:16,891 INFO L87 Difference]: Start difference. First operand 203 states and 270 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 07:18:17,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:18:17,102 INFO L93 Difference]: Finished difference Result 441 states and 607 transitions. [2024-11-09 07:18:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:18:17,103 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 81 [2024-11-09 07:18:17,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:18:17,106 INFO L225 Difference]: With dead ends: 441 [2024-11-09 07:18:17,106 INFO L226 Difference]: Without dead ends: 256 [2024-11-09 07:18:17,107 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 07:18:17,109 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 59 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:18:17,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 456 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:18:17,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-09 07:18:17,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 251. [2024-11-09 07:18:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 152 states have internal predecessors, (202), 76 states have call successors, (76), 24 states have call predecessors, (76), 24 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 07:18:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 353 transitions. [2024-11-09 07:18:17,133 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 353 transitions. Word has length 81 [2024-11-09 07:18:17,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:18:17,133 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 353 transitions. [2024-11-09 07:18:17,134 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 07:18:17,134 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 353 transitions. [2024-11-09 07:18:17,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 07:18:17,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:18:17,137 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:18:17,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:18:17,138 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:18:17,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:18:17,138 INFO L85 PathProgramCache]: Analyzing trace with hash -955353865, now seen corresponding path program 1 times [2024-11-09 07:18:17,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:18:17,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525376984] [2024-11-09 07:18:17,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:17,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:18:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:18:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:18:17,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:18:17,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525376984] [2024-11-09 07:18:17,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525376984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:18:17,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469048309] [2024-11-09 07:18:17,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:17,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:18:17,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:18:17,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:18:17,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:18:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:18:18,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:18:18,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:18:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:18:18,198 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:18:18,370 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:18:18,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469048309] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:18:18,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1534741972] [2024-11-09 07:18:18,406 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2024-11-09 07:18:18,407 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:18:18,412 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:18:18,420 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:18:18,421 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:18:59,133 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 07:18:59,301 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 07:18:59,522 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:20:09,867 WARN L286 SmtUtils]: Spent 11.69s on a formula simplification. DAG size of input: 447 DAG size of output: 447 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:20:25,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1534741972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:20:25,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:20:25,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 07:20:25,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756013244] [2024-11-09 07:20:25,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:20:25,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 07:20:25,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:20:25,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 07:20:25,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 07:20:25,558 INFO L87 Difference]: Start difference. First operand 251 states and 353 transitions. Second operand has 23 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-09 07:20:34,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:20:34,744 INFO L93 Difference]: Finished difference Result 517 states and 744 transitions. [2024-11-09 07:20:34,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 07:20:34,745 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) Word has length 82 [2024-11-09 07:20:34,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:20:34,748 INFO L225 Difference]: With dead ends: 517 [2024-11-09 07:20:34,749 INFO L226 Difference]: Without dead ends: 284 [2024-11-09 07:20:34,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 220 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 86.0s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 07:20:34,755 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 26 mSDsluCounter, 2892 mSDsCounter, 0 mSdLazyCounter, 1800 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3099 SdHoareTripleChecker+Invalid, 1809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-09 07:20:34,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3099 Invalid, 1809 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1800 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2024-11-09 07:20:34,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-09 07:20:34,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 274. [2024-11-09 07:20:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 172 states have (on average 1.3662790697674418) internal successors, (235), 174 states have internal predecessors, (235), 76 states have call successors, (76), 25 states have call predecessors, (76), 25 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 07:20:34,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 386 transitions. [2024-11-09 07:20:34,887 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 386 transitions. Word has length 82 [2024-11-09 07:20:34,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:20:34,888 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 386 transitions. [2024-11-09 07:20:34,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-09 07:20:34,888 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 386 transitions. [2024-11-09 07:20:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 07:20:34,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:20:34,892 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:34,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 07:20:35,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:20:35,096 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:20:35,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:20:35,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1994534779, now seen corresponding path program 1 times [2024-11-09 07:20:35,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:20:35,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650954778] [2024-11-09 07:20:35,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:20:35,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:20:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:20:35,274 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 07:20:35,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:20:35,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650954778] [2024-11-09 07:20:35,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650954778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:20:35,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:20:35,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:20:35,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005098009] [2024-11-09 07:20:35,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:20:35,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:20:35,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:20:35,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:20:35,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:20:35,281 INFO L87 Difference]: Start difference. First operand 274 states and 386 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 07:20:35,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:20:35,569 INFO L93 Difference]: Finished difference Result 651 states and 952 transitions. [2024-11-09 07:20:35,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:20:35,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 87 [2024-11-09 07:20:35,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:20:35,574 INFO L225 Difference]: With dead ends: 651 [2024-11-09 07:20:35,574 INFO L226 Difference]: Without dead ends: 401 [2024-11-09 07:20:35,575 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 07:20:35,576 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 57 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:20:35,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 461 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:20:35,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-09 07:20:35,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 396. [2024-11-09 07:20:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 263 states have (on average 1.4258555133079849) internal successors, (375), 265 states have internal predecessors, (375), 107 states have call successors, (107), 25 states have call predecessors, (107), 25 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-09 07:20:35,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 588 transitions. [2024-11-09 07:20:35,708 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 588 transitions. Word has length 87 [2024-11-09 07:20:35,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:20:35,709 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 588 transitions. [2024-11-09 07:20:35,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 07:20:35,710 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 588 transitions. [2024-11-09 07:20:35,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 07:20:35,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:20:35,714 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:35,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:20:35,714 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:20:35,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:20:35,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1378106564, now seen corresponding path program 1 times [2024-11-09 07:20:35,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:20:35,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370391623] [2024-11-09 07:20:35,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:20:35,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:20:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:20:35,941 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 07:20:35,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:20:35,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370391623] [2024-11-09 07:20:35,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370391623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:20:35,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009524701] [2024-11-09 07:20:35,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:20:35,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:20:35,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:20:35,947 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:20:35,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 07:20:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:20:36,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:20:36,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:20:36,501 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 07:20:36,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:20:36,603 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 07:20:36,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009524701] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:20:36,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1098162416] [2024-11-09 07:20:36,608 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2024-11-09 07:20:36,608 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:20:36,609 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:20:36,609 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:20:36,610 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:21:29,865 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 07:21:30,026 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 431 for LOIs [2024-11-09 07:21:31,539 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:21:59,155 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:22:11,397 WARN L286 SmtUtils]: Spent 11.72s on a formula simplification. DAG size of input: 455 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:22:58,885 WARN L286 SmtUtils]: Spent 11.41s on a formula simplification. DAG size of input: 448 DAG size of output: 448 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:23:10,359 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 452 DAG size of output: 449 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:23:16,125 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 452 DAG size of output: 449 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:23:31,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1098162416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:23:31,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:23:31,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 07:23:31,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489398012] [2024-11-09 07:23:31,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:23:31,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 07:23:31,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:23:31,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 07:23:31,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 07:23:31,304 INFO L87 Difference]: Start difference. First operand 396 states and 588 transitions. Second operand has 26 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 16 states have internal predecessors, (46), 8 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-09 07:23:47,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:23:47,104 INFO L93 Difference]: Finished difference Result 802 states and 1219 transitions. [2024-11-09 07:23:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 07:23:47,106 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 16 states have internal predecessors, (46), 8 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) Word has length 88 [2024-11-09 07:23:47,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:23:47,111 INFO L225 Difference]: With dead ends: 802 [2024-11-09 07:23:47,111 INFO L226 Difference]: Without dead ends: 469 [2024-11-09 07:23:47,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 235 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 119.7s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 07:23:47,115 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 43 mSDsluCounter, 3110 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3319 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2024-11-09 07:23:47,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3319 Invalid, 2487 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2024-11-09 07:23:47,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-09 07:23:47,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 410. [2024-11-09 07:23:47,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 275 states have (on average 1.4254545454545455) internal successors, (392), 277 states have internal predecessors, (392), 108 states have call successors, (108), 26 states have call predecessors, (108), 26 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-09 07:23:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 607 transitions. [2024-11-09 07:23:47,299 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 607 transitions. Word has length 88 [2024-11-09 07:23:47,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:23:47,299 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 607 transitions. [2024-11-09 07:23:47,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 16 states have internal predecessors, (46), 8 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-09 07:23:47,300 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 607 transitions. [2024-11-09 07:23:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 07:23:47,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:23:47,305 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:47,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 07:23:47,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 07:23:47,506 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:23:47,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:23:47,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1625118778, now seen corresponding path program 1 times [2024-11-09 07:23:47,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:23:47,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084933780] [2024-11-09 07:23:47,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:47,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:23:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:23:47,760 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:23:47,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:23:47,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084933780] [2024-11-09 07:23:47,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084933780] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:23:47,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482707661] [2024-11-09 07:23:47,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:47,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:23:47,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:23:47,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:23:47,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 07:23:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:23:48,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:23:48,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:23:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:23:48,358 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:23:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:23:48,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482707661] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:23:48,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1794585859] [2024-11-09 07:23:48,475 INFO L159 IcfgInterpreter]: Started Sifa with 80 locations of interest [2024-11-09 07:23:48,476 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:23:48,476 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:23:48,477 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:23:48,477 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:25:21,092 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 07:25:21,244 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 477 for LOIs [2024-11-09 07:25:22,482 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 486 for LOIs [2024-11-09 07:25:23,714 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 422 for LOIs [2024-11-09 07:25:24,087 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 07:25:24,234 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:26:43,112 WARN L286 SmtUtils]: Spent 16.34s on a formula simplification. DAG size of input: 506 DAG size of output: 501 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:26:50,961 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 508 DAG size of output: 499 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:27:16,810 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 487 DAG size of output: 487 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:27:24,645 WARN L286 SmtUtils]: Spent 7.07s on a formula simplification. DAG size of input: 492 DAG size of output: 488 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:27:31,670 WARN L286 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:27:38,764 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:27:45,708 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 482 DAG size of output: 478 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:27:52,034 WARN L286 SmtUtils]: Spent 5.72s 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 07:27:58,606 WARN L286 SmtUtils]: Spent 5.86s 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 07:28:04,785 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 473 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:28:05,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1794585859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:28:05,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:28:05,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 07:28:05,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391093810] [2024-11-09 07:28:05,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:28:05,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 07:28:05,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:28:05,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 07:28:05,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 07:28:05,199 INFO L87 Difference]: Start difference. First operand 410 states and 607 transitions. Second operand has 33 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 10 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2024-11-09 07:28:29,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:28:29,266 INFO L93 Difference]: Finished difference Result 827 states and 1254 transitions. [2024-11-09 07:28:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 07:28:29,267 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 10 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) Word has length 91 [2024-11-09 07:28:29,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:28:29,272 INFO L225 Difference]: With dead ends: 827 [2024-11-09 07:28:29,273 INFO L226 Difference]: Without dead ends: 494 [2024-11-09 07:28:29,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 237 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 160.9s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 07:28:29,276 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 78 mSDsluCounter, 3890 mSDsCounter, 0 mSdLazyCounter, 3635 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 4098 SdHoareTripleChecker+Invalid, 3644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:28:29,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 4098 Invalid, 3644 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3635 Invalid, 0 Unknown, 0 Unchecked, 23.7s Time] [2024-11-09 07:28:29,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-11-09 07:28:29,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 446. [2024-11-09 07:28:29,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 305 states have (on average 1.4229508196721312) internal successors, (434), 307 states have internal predecessors, (434), 111 states have call successors, (111), 29 states have call predecessors, (111), 29 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-09 07:28:29,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 655 transitions. [2024-11-09 07:28:29,485 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 655 transitions. Word has length 91 [2024-11-09 07:28:29,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:28:29,486 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 655 transitions. [2024-11-09 07:28:29,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 10 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2024-11-09 07:28:29,487 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 655 transitions. [2024-11-09 07:28:29,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 07:28:29,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:28:29,491 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:28:29,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 07:28:29,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-09 07:28:29,696 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:28:29,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:28:29,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1609678756, now seen corresponding path program 1 times [2024-11-09 07:28:29,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:28:29,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840480905] [2024-11-09 07:28:29,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:28:29,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:28:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:28:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:28:29,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:28:29,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840480905] [2024-11-09 07:28:29,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840480905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:28:29,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190189583] [2024-11-09 07:28:29,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:28:29,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:28:29,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:28:29,895 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:28:29,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 07:28:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:28:30,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:28:30,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:28:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:28:30,491 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:28:30,613 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:28:30,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190189583] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:28:30,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2059298708] [2024-11-09 07:28:30,622 INFO L159 IcfgInterpreter]: Started Sifa with 79 locations of interest [2024-11-09 07:28:30,622 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:28:30,623 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:28:30,623 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:28:30,624 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:29:17,006 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 07:29:17,172 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 07:29:17,409 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:30:29,302 WARN L286 SmtUtils]: Spent 12.85s on a formula simplification. DAG size of input: 447 DAG size of output: 447 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:31:06,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2059298708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:31:06,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:31:06,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 07:31:06,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728169597] [2024-11-09 07:31:06,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:31:06,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 07:31:06,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:31:06,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 07:31:06,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 07:31:06,070 INFO L87 Difference]: Start difference. First operand 446 states and 655 transitions. Second operand has 27 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-09 07:31:16,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:31:16,456 INFO L93 Difference]: Finished difference Result 828 states and 1243 transitions. [2024-11-09 07:31:16,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 07:31:16,458 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) Word has length 90 [2024-11-09 07:31:16,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:31:16,463 INFO L225 Difference]: With dead ends: 828 [2024-11-09 07:31:16,463 INFO L226 Difference]: Without dead ends: 495 [2024-11-09 07:31:16,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 240 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 108.7s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 07:31:16,466 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 18 mSDsluCounter, 2830 mSDsCounter, 0 mSdLazyCounter, 2018 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3032 SdHoareTripleChecker+Invalid, 2026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:31:16,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3032 Invalid, 2026 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2018 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2024-11-09 07:31:16,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-09 07:31:16,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 466. [2024-11-09 07:31:16,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 325 states have (on average 1.4276923076923076) internal successors, (464), 327 states have internal predecessors, (464), 111 states have call successors, (111), 29 states have call predecessors, (111), 29 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-09 07:31:16,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 685 transitions. [2024-11-09 07:31:16,724 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 685 transitions. Word has length 90 [2024-11-09 07:31:16,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:31:16,725 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 685 transitions. [2024-11-09 07:31:16,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 7 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-09 07:31:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 685 transitions. [2024-11-09 07:31:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 07:31:16,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:31:16,729 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-11-09 07:31:16,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 07:31:16,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:31:16,934 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:31:16,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:31:16,935 INFO L85 PathProgramCache]: Analyzing trace with hash 525236781, now seen corresponding path program 1 times [2024-11-09 07:31:16,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:31:16,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605600493] [2024-11-09 07:31:16,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:31:16,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:31:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:31:17,211 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 07:31:17,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:31:17,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605600493] [2024-11-09 07:31:17,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605600493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:31:17,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095939504] [2024-11-09 07:31:17,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:31:17,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:31:17,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:31:17,215 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:31:17,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6921dcf-31f0-4a3a-9807-4f9001ccf41c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 07:31:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:31:17,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:31:17,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:31:17,834 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 07:31:17,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:31:17,955 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 07:31:17,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095939504] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:31:17,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [919637972] [2024-11-09 07:31:17,959 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2024-11-09 07:31:17,959 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:31:17,959 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:31:17,960 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:31:17,960 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:31:59,581 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 07:31:59,715 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 248 for LOIs [2024-11-09 07:32:02,718 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 224 for LOIs [2024-11-09 07:32:02,820 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 07:32:02,942 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 246 for LOIs [2024-11-09 07:32:05,037 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 256 for LOIs [2024-11-09 07:32:10,733 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 251 for LOIs [2024-11-09 07:32:10,875 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 251 for LOIs [2024-11-09 07:32:11,024 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 228 for LOIs [2024-11-09 07:32:11,128 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 229 for LOIs [2024-11-09 07:32:11,243 INFO L180 IcfgInterpreter]: Interpretation finished