./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh --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 b26e97b5c42973451de5f20f984873ade34b15aaa31cbbdc58b330ea8f51f185 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:20:28,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:20:28,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:20:28,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:20:28,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:20:28,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:20:28,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:20:28,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:20:28,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:20:28,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:20:28,266 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:20:28,267 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:20:28,267 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:20:28,268 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:20:28,268 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:20:28,269 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:20:28,270 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:20:28,270 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:20:28,279 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:20:28,280 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:20:28,280 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:20:28,281 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:20:28,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:20:28,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:20:28,283 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:20:28,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:20:28,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:20:28,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:20:28,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:20:28,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:20:28,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:20:28,285 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:20:28,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:20:28,286 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:20:28,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:20:28,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:20:28,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:20:28,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:20:28,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:20:28,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:20:28,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:20:28,288 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:20:28,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:20:28,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:20:28,288 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:20:28,288 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:20:28,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:20:28,289 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_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b26e97b5c42973451de5f20f984873ade34b15aaa31cbbdc58b330ea8f51f185 [2023-12-02 13:20:28,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:20:28,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:20:28,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:20:28,545 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:20:28,547 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:20:28,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/product-lines/email_spec27_product23.cil.c [2023-12-02 13:20:31,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:20:31,565 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:20:31,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/sv-benchmarks/c/product-lines/email_spec27_product23.cil.c [2023-12-02 13:20:31,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/data/274e5b5ee/ca667fe53b5e4fa0ae979ae202b33d1b/FLAGedd25e841 [2023-12-02 13:20:31,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/data/274e5b5ee/ca667fe53b5e4fa0ae979ae202b33d1b [2023-12-02 13:20:31,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:20:31,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:20:31,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:20:31,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:20:31,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:20:31,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:20:31" (1/1) ... [2023-12-02 13:20:31,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46524126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:31, skipping insertion in model container [2023-12-02 13:20:31,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:20:31" (1/1) ... [2023-12-02 13:20:31,682 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:20:32,081 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/sv-benchmarks/c/product-lines/email_spec27_product23.cil.c[46731,46744] [2023-12-02 13:20:32,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:20:32,154 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:20:32,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2023-12-02 13:20:32,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [380] [2023-12-02 13:20:32,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [415] [2023-12-02 13:20:32,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1483] [2023-12-02 13:20:32,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1823] [2023-12-02 13:20:32,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1858] [2023-12-02 13:20:32,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1875] [2023-12-02 13:20:32,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2277] [2023-12-02 13:20:32,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2286] [2023-12-02 13:20:32,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2652] [2023-12-02 13:20:32,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2749] [2023-12-02 13:20:32,226 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/sv-benchmarks/c/product-lines/email_spec27_product23.cil.c[46731,46744] [2023-12-02 13:20:32,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:20:32,274 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 13:20:32,280 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:20:32,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:32 WrapperNode [2023-12-02 13:20:32,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:20:32,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:20:32,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:20:32,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:20:32,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:32" (1/1) ... [2023-12-02 13:20:32,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:32" (1/1) ... [2023-12-02 13:20:32,366 INFO L138 Inliner]: procedures = 130, calls = 219, calls flagged for inlining = 58, calls inlined = 52, statements flattened = 978 [2023-12-02 13:20:32,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:20:32,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:20:32,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:20:32,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:20:32,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:32" (1/1) ... [2023-12-02 13:20:32,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:32" (1/1) ... [2023-12-02 13:20:32,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:32" (1/1) ... [2023-12-02 13:20:32,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:32" (1/1) ... [2023-12-02 13:20:32,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:32" (1/1) ... [2023-12-02 13:20:32,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:32" (1/1) ... [2023-12-02 13:20:32,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:32" (1/1) ... [2023-12-02 13:20:32,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:32" (1/1) ... [2023-12-02 13:20:32,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:20:32,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:20:32,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:20:32,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:20:32,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:32" (1/1) ... [2023-12-02 13:20:32,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:20:32,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:20:32,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:20:32,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:20:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-02 13:20:32,521 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-02 13:20:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-02 13:20:32,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-02 13:20:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-02 13:20:32,522 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-02 13:20:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-02 13:20:32,522 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-02 13:20:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-02 13:20:32,522 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-02 13:20:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-02 13:20:32,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-02 13:20:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-02 13:20:32,523 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-02 13:20:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-02 13:20:32,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-02 13:20:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-02 13:20:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-02 13:20:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-12-02 13:20:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-02 13:20:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-02 13:20:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-02 13:20:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-02 13:20:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:20:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-02 13:20:32,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-02 13:20:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-02 13:20:32,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-02 13:20:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-02 13:20:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-02 13:20:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-02 13:20:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-02 13:20:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-02 13:20:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-02 13:20:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-12-02 13:20:32,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-12-02 13:20:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-02 13:20:32,527 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-02 13:20:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-02 13:20:32,527 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-02 13:20:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-02 13:20:32,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-02 13:20:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-02 13:20:32,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-02 13:20:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:20:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-02 13:20:32,528 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-02 13:20:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-02 13:20:32,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-02 13:20:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:20:32,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:20:32,726 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:20:32,728 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:20:33,489 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:20:34,057 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:20:34,057 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:20:34,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:34 BoogieIcfgContainer [2023-12-02 13:20:34,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:20:34,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:20:34,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:20:34,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:20:34,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:20:31" (1/3) ... [2023-12-02 13:20:34,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c726baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:20:34, skipping insertion in model container [2023-12-02 13:20:34,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:32" (2/3) ... [2023-12-02 13:20:34,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c726baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:20:34, skipping insertion in model container [2023-12-02 13:20:34,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:34" (3/3) ... [2023-12-02 13:20:34,067 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product23.cil.c [2023-12-02 13:20:34,086 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:20:34,086 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:20:34,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:20:34,146 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@50796f37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:20:34,146 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:20:34,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 105 states have (on average 1.3238095238095238) internal successors, (139), 108 states have internal predecessors, (139), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2023-12-02 13:20:34,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 13:20:34,166 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:20:34,167 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:20:34,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:20:34,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:20:34,173 INFO L85 PathProgramCache]: Analyzing trace with hash 648358164, now seen corresponding path program 1 times [2023-12-02 13:20:34,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:20:34,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192135883] [2023-12-02 13:20:34,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:20:34,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:20:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:20:34,521 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 13:20:34,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:20:34,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192135883] [2023-12-02 13:20:34,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192135883] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:20:34,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:20:34,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:20:34,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097043703] [2023-12-02 13:20:34,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:20:34,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:20:34,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:20:34,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:20:34,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:20:34,562 INFO L87 Difference]: Start difference. First operand has 183 states, 105 states have (on average 1.3238095238095238) internal successors, (139), 108 states have internal predecessors, (139), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) 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) [2023-12-02 13:20:34,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:20:34,684 INFO L93 Difference]: Finished difference Result 274 states and 361 transitions. [2023-12-02 13:20:34,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:20:34,687 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 [2023-12-02 13:20:34,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:20:34,699 INFO L225 Difference]: With dead ends: 274 [2023-12-02 13:20:34,699 INFO L226 Difference]: Without dead ends: 180 [2023-12-02 13:20:34,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:20:34,707 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:20:34,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 206 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:20:34,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-12-02 13:20:34,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2023-12-02 13:20:34,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 103 states have (on average 1.2912621359223302) internal successors, (133), 105 states have internal predecessors, (133), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 13:20:34,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 238 transitions. [2023-12-02 13:20:34,770 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 238 transitions. Word has length 75 [2023-12-02 13:20:34,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:20:34,772 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 238 transitions. [2023-12-02 13:20:34,772 INFO L496 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) [2023-12-02 13:20:34,772 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2023-12-02 13:20:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 13:20:34,778 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:20:34,778 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:20:34,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:20:34,778 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:20:34,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:20:34,779 INFO L85 PathProgramCache]: Analyzing trace with hash -567627764, now seen corresponding path program 1 times [2023-12-02 13:20:34,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:20:34,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186668365] [2023-12-02 13:20:34,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:20:34,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:20:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:20:35,034 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 13:20:35,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:20:35,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186668365] [2023-12-02 13:20:35,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186668365] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:20:35,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:20:35,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:20:35,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106975608] [2023-12-02 13:20:35,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:20:35,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:20:35,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:20:35,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:20:35,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:20:35,039 INFO L87 Difference]: Start difference. First operand 180 states and 238 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) [2023-12-02 13:20:35,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:20:35,162 INFO L93 Difference]: Finished difference Result 270 states and 346 transitions. [2023-12-02 13:20:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:20:35,163 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 [2023-12-02 13:20:35,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:20:35,166 INFO L225 Difference]: With dead ends: 270 [2023-12-02 13:20:35,166 INFO L226 Difference]: Without dead ends: 182 [2023-12-02 13:20:35,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:20:35,169 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 0 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:20:35,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 405 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:20:35,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-12-02 13:20:35,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2023-12-02 13:20:35,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 107 states have internal predecessors, (135), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 13:20:35,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2023-12-02 13:20:35,193 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 76 [2023-12-02 13:20:35,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:20:35,194 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2023-12-02 13:20:35,194 INFO L496 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) [2023-12-02 13:20:35,194 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2023-12-02 13:20:35,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 13:20:35,198 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:20:35,199 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:20:35,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 13:20:35,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:20:35,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:20:35,200 INFO L85 PathProgramCache]: Analyzing trace with hash 2113181897, now seen corresponding path program 1 times [2023-12-02 13:20:35,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:20:35,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129006424] [2023-12-02 13:20:35,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:20:35,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:20:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:20:35,333 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 13:20:35,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:20:35,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129006424] [2023-12-02 13:20:35,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129006424] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:20:35,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:20:35,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:20:35,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470233506] [2023-12-02 13:20:35,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:20:35,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:20:35,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:20:35,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:20:35,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:20:35,337 INFO L87 Difference]: Start difference. First operand 182 states and 240 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) [2023-12-02 13:20:35,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:20:35,455 INFO L93 Difference]: Finished difference Result 399 states and 547 transitions. [2023-12-02 13:20:35,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:20:35,456 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 [2023-12-02 13:20:35,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:20:35,459 INFO L225 Difference]: With dead ends: 399 [2023-12-02 13:20:35,459 INFO L226 Difference]: Without dead ends: 235 [2023-12-02 13:20:35,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:20:35,462 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 59 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:20:35,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 409 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:20:35,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-12-02 13:20:35,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 230. [2023-12-02 13:20:35,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 139 states have (on average 1.3669064748201438) internal successors, (190), 141 states have internal predecessors, (190), 67 states have call successors, (67), 23 states have call predecessors, (67), 23 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 13:20:35,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 323 transitions. [2023-12-02 13:20:35,487 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 323 transitions. Word has length 81 [2023-12-02 13:20:35,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:20:35,487 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 323 transitions. [2023-12-02 13:20:35,487 INFO L496 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) [2023-12-02 13:20:35,488 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 323 transitions. [2023-12-02 13:20:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 13:20:35,490 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:20:35,490 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:20:35,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 13:20:35,491 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:20:35,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:20:35,491 INFO L85 PathProgramCache]: Analyzing trace with hash -945975508, now seen corresponding path program 1 times [2023-12-02 13:20:35,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:20:35,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293927635] [2023-12-02 13:20:35,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:20:35,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:20:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:20:35,659 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 13:20:35,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:20:35,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293927635] [2023-12-02 13:20:35,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293927635] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:20:35,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889100225] [2023-12-02 13:20:35,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:20:35,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:20:35,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:20:35,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:20:35,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:20:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:20:36,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:20:36,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:20:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 13:20:36,110 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:20:36,184 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 13:20:36,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889100225] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:20:36,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [270444468] [2023-12-02 13:20:36,207 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2023-12-02 13:20:36,207 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:20:36,212 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:20:36,217 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:20:36,217 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:21:22,893 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2023-12-02 13:21:23,138 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2023-12-02 13:21:23,326 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:22:18,557 WARN L293 SmtUtils]: Spent 9.16s on a formula simplification. DAG size of input: 495 DAG size of output: 495 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:22:28,004 WARN L293 SmtUtils]: Spent 9.12s on a formula simplification. DAG size of input: 496 DAG size of output: 495 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:22:38,285 WARN L293 SmtUtils]: Spent 9.91s on a formula simplification. DAG size of input: 502 DAG size of output: 501 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:22:48,319 WARN L293 SmtUtils]: Spent 9.63s on a formula simplification. DAG size of input: 500 DAG size of output: 499 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:22:51,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [270444468] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:22:51,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:22:51,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [4, 4, 4] total 29 [2023-12-02 13:22:51,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172970459] [2023-12-02 13:22:51,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:22:51,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-02 13:22:51,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:22:51,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-02 13:22:51,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2023-12-02 13:22:51,897 INFO L87 Difference]: Start difference. First operand 230 states and 323 transitions. Second operand has 24 states, 16 states have (on average 2.6875) internal successors, (43), 15 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) [2023-12-02 13:23:08,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:23:08,558 INFO L93 Difference]: Finished difference Result 507 states and 746 transitions. [2023-12-02 13:23:08,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 13:23:08,558 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 16 states have (on average 2.6875) internal successors, (43), 15 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 [2023-12-02 13:23:08,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:23:08,561 INFO L225 Difference]: With dead ends: 507 [2023-12-02 13:23:08,561 INFO L226 Difference]: Without dead ends: 295 [2023-12-02 13:23:08,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 91.8s TimeCoverageRelationStatistics Valid=91, Invalid=779, Unknown=0, NotChecked=0, Total=870 [2023-12-02 13:23:08,563 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 113 mSDsluCounter, 3012 mSDsCounter, 0 mSdLazyCounter, 2729 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 3235 SdHoareTripleChecker+Invalid, 2739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:23:08,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 3235 Invalid, 2739 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2729 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2023-12-02 13:23:08,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-12-02 13:23:08,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 253. [2023-12-02 13:23:08,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 163 states have internal predecessors, (223), 67 states have call successors, (67), 24 states have call predecessors, (67), 24 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 13:23:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 356 transitions. [2023-12-02 13:23:08,644 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 356 transitions. Word has length 82 [2023-12-02 13:23:08,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:23:08,645 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 356 transitions. [2023-12-02 13:23:08,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 16 states have (on average 2.6875) internal successors, (43), 15 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) [2023-12-02 13:23:08,645 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 356 transitions. [2023-12-02 13:23:08,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 13:23:08,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:23:08,648 INFO L195 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] [2023-12-02 13:23:08,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:23:08,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:23:08,853 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:23:08,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:23:08,853 INFO L85 PathProgramCache]: Analyzing trace with hash -553727777, now seen corresponding path program 1 times [2023-12-02 13:23:08,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:23:08,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36523808] [2023-12-02 13:23:08,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:23:08,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:23:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:23:08,953 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 13:23:08,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:23:08,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36523808] [2023-12-02 13:23:08,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36523808] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:23:08,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:23:08,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:23:08,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445842498] [2023-12-02 13:23:08,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:23:08,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:23:08,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:23:08,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:23:08,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:23:08,957 INFO L87 Difference]: Start difference. First operand 253 states and 356 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) [2023-12-02 13:23:09,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:23:09,189 INFO L93 Difference]: Finished difference Result 609 states and 892 transitions. [2023-12-02 13:23:09,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:23:09,190 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 [2023-12-02 13:23:09,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:23:09,194 INFO L225 Difference]: With dead ends: 609 [2023-12-02 13:23:09,194 INFO L226 Difference]: Without dead ends: 380 [2023-12-02 13:23:09,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:23:09,196 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 57 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:23:09,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 416 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:23:09,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2023-12-02 13:23:09,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 375. [2023-12-02 13:23:09,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 252 states have (on average 1.4404761904761905) internal successors, (363), 254 states have internal predecessors, (363), 98 states have call successors, (98), 24 states have call predecessors, (98), 24 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2023-12-02 13:23:09,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 558 transitions. [2023-12-02 13:23:09,328 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 558 transitions. Word has length 87 [2023-12-02 13:23:09,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:23:09,328 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 558 transitions. [2023-12-02 13:23:09,329 INFO L496 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) [2023-12-02 13:23:09,329 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 558 transitions. [2023-12-02 13:23:09,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 13:23:09,332 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:23:09,332 INFO L195 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] [2023-12-02 13:23:09,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 13:23:09,332 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:23:09,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:23:09,333 INFO L85 PathProgramCache]: Analyzing trace with hash -2084053499, now seen corresponding path program 1 times [2023-12-02 13:23:09,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:23:09,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076064877] [2023-12-02 13:23:09,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:23:09,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:23:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:23:09,460 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 13:23:09,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:23:09,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076064877] [2023-12-02 13:23:09,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076064877] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:23:09,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315900473] [2023-12-02 13:23:09,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:23:09,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:23:09,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:23:09,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:23:09,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 13:23:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:23:09,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:23:09,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:23:09,812 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 13:23:09,812 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:23:09,877 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 13:23:09,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315900473] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:23:09,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1314171890] [2023-12-02 13:23:09,881 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2023-12-02 13:23:09,881 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:23:09,882 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:23:09,882 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:23:09,883 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:24:17,941 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2023-12-02 13:24:18,165 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 475 for LOIs [2023-12-02 13:24:20,276 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:24:40,974 WARN L293 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 475 DAG size of output: 476 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:24:50,350 WARN L293 SmtUtils]: Spent 9.19s on a formula simplification. DAG size of input: 505 DAG size of output: 500 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:25:29,209 WARN L293 SmtUtils]: Spent 9.38s on a formula simplification. DAG size of input: 498 DAG size of output: 498 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:25:38,842 WARN L293 SmtUtils]: Spent 9.31s on a formula simplification. DAG size of input: 499 DAG size of output: 498 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:25:49,165 WARN L293 SmtUtils]: Spent 9.93s on a formula simplification. DAG size of input: 505 DAG size of output: 504 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:25:59,761 WARN L293 SmtUtils]: Spent 10.19s on a formula simplification. DAG size of input: 503 DAG size of output: 502 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:26:21,736 WARN L293 SmtUtils]: Spent 21.46s on a formula simplification. DAG size of input: 513 DAG size of output: 502 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:26:46,770 WARN L293 SmtUtils]: Spent 24.42s on a formula simplification. DAG size of input: 511 DAG size of output: 500 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:26:58,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1314171890] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:26:58,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:26:58,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2023-12-02 13:26:58,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418372114] [2023-12-02 13:26:58,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:26:58,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-02 13:26:58,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:26:58,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-02 13:26:58,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=941, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 13:26:58,757 INFO L87 Difference]: Start difference. First operand 375 states and 558 transitions. Second operand has 28 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 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) [2023-12-02 13:27:17,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:27:17,315 INFO L93 Difference]: Finished difference Result 768 states and 1173 transitions. [2023-12-02 13:27:17,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 13:27:17,316 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 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 [2023-12-02 13:27:17,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:27:17,319 INFO L225 Difference]: With dead ends: 768 [2023-12-02 13:27:17,319 INFO L226 Difference]: Without dead ends: 456 [2023-12-02 13:27:17,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 161.7s TimeCoverageRelationStatistics Valid=120, Invalid=1002, Unknown=0, NotChecked=0, Total=1122 [2023-12-02 13:27:17,321 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 151 mSDsluCounter, 2719 mSDsCounter, 0 mSdLazyCounter, 2800 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 2906 SdHoareTripleChecker+Invalid, 2809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:27:17,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 2906 Invalid, 2809 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2800 Invalid, 0 Unknown, 0 Unchecked, 14.9s Time] [2023-12-02 13:27:17,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2023-12-02 13:27:17,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 389. [2023-12-02 13:27:17,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 264 states have (on average 1.4393939393939394) internal successors, (380), 266 states have internal predecessors, (380), 99 states have call successors, (99), 25 states have call predecessors, (99), 25 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-12-02 13:27:17,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 577 transitions. [2023-12-02 13:27:17,461 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 577 transitions. Word has length 88 [2023-12-02 13:27:17,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:27:17,462 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 577 transitions. [2023-12-02 13:27:17,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 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) [2023-12-02 13:27:17,462 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 577 transitions. [2023-12-02 13:27:17,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 13:27:17,465 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:27:17,465 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:27:17,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 13:27:17,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:27:17,669 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:27:17,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:27:17,669 INFO L85 PathProgramCache]: Analyzing trace with hash -2140795802, now seen corresponding path program 1 times [2023-12-02 13:27:17,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:27:17,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436431967] [2023-12-02 13:27:17,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:27:17,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:27:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:27:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 13:27:17,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:27:17,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436431967] [2023-12-02 13:27:17,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436431967] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:27:17,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527391410] [2023-12-02 13:27:17,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:27:17,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:27:17,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:27:17,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:27:17,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 13:27:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:27:18,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:27:18,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:27:18,209 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 13:27:18,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:27:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 13:27:18,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527391410] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:27:18,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1996800859] [2023-12-02 13:27:18,274 INFO L159 IcfgInterpreter]: Started Sifa with 80 locations of interest [2023-12-02 13:27:18,275 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:27:18,275 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:27:18,276 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:27:18,276 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:28:52,627 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2023-12-02 13:28:52,847 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 542 for LOIs [2023-12-02 13:28:54,546 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 551 for LOIs [2023-12-02 13:28:56,334 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 466 for LOIs [2023-12-02 13:28:57,099 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2023-12-02 13:28:57,266 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:29:53,665 WARN L293 SmtUtils]: Spent 10.77s on a formula simplification. DAG size of input: 579 DAG size of output: 574 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:30:04,710 WARN L293 SmtUtils]: Spent 10.64s on a formula simplification. DAG size of input: 580 DAG size of output: 574 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:30:53,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1996800859] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:30:53,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:30:53,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2023-12-02 13:30:53,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967593971] [2023-12-02 13:30:53,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:30:53,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-12-02 13:30:53,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:30:53,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-12-02 13:30:53,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1291, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 13:30:53,335 INFO L87 Difference]: Start difference. First operand 389 states and 577 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) [2023-12-02 13:31:19,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:31:19,251 INFO L93 Difference]: Finished difference Result 793 states and 1208 transitions. [2023-12-02 13:31:19,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 13:31:19,252 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 [2023-12-02 13:31:19,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:31:19,256 INFO L225 Difference]: With dead ends: 793 [2023-12-02 13:31:19,256 INFO L226 Difference]: Without dead ends: 481 [2023-12-02 13:31:19,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 119.4s TimeCoverageRelationStatistics Valid=120, Invalid=1362, Unknown=0, NotChecked=0, Total=1482 [2023-12-02 13:31:19,259 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 60 mSDsluCounter, 3472 mSDsCounter, 0 mSdLazyCounter, 3786 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 3659 SdHoareTripleChecker+Invalid, 3796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:31:19,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 3659 Invalid, 3796 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 3786 Invalid, 0 Unknown, 0 Unchecked, 22.2s Time] [2023-12-02 13:31:19,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2023-12-02 13:31:19,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 425. [2023-12-02 13:31:19,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 294 states have (on average 1.435374149659864) internal successors, (422), 296 states have internal predecessors, (422), 102 states have call successors, (102), 28 states have call predecessors, (102), 28 states have return successors, (101), 100 states have call predecessors, (101), 101 states have call successors, (101) [2023-12-02 13:31:19,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 625 transitions. [2023-12-02 13:31:19,439 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 625 transitions. Word has length 91 [2023-12-02 13:31:19,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:31:19,439 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 625 transitions. [2023-12-02 13:31:19,439 INFO L496 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) [2023-12-02 13:31:19,439 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 625 transitions. [2023-12-02 13:31:19,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 13:31:19,441 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:31:19,441 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:31:19,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 13:31:19,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-12-02 13:31:19,642 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:31:19,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:31:19,643 INFO L85 PathProgramCache]: Analyzing trace with hash -329283930, now seen corresponding path program 1 times [2023-12-02 13:31:19,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:31:19,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923266625] [2023-12-02 13:31:19,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:31:19,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:31:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:31:19,735 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 13:31:19,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:31:19,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923266625] [2023-12-02 13:31:19,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923266625] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:31:19,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027002846] [2023-12-02 13:31:19,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:31:19,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:31:19,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:31:19,737 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:31:19,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5285157d-ed86-4773-9ebc-74ec135d3d40/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 13:31:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:31:20,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 1068 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:31:20,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:31:20,054 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 13:31:20,055 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:31:20,121 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 13:31:20,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027002846] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:31:20,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1041061240] [2023-12-02 13:31:20,125 INFO L159 IcfgInterpreter]: Started Sifa with 79 locations of interest [2023-12-02 13:31:20,126 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:31:20,126 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:31:20,126 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:31:20,126 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:32:52,751 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2023-12-02 13:32:52,969 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2023-12-02 13:32:53,135 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:33:48,163 WARN L293 SmtUtils]: Spent 9.37s on a formula simplification. DAG size of input: 502 DAG size of output: 502 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:33:57,767 WARN L293 SmtUtils]: Spent 9.27s on a formula simplification. DAG size of input: 503 DAG size of output: 502 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:34:08,402 WARN L293 SmtUtils]: Spent 10.24s on a formula simplification. DAG size of input: 509 DAG size of output: 508 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:34:18,917 WARN L293 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 507 DAG size of output: 506 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:34:41,122 WARN L293 SmtUtils]: Spent 21.68s on a formula simplification. DAG size of input: 517 DAG size of output: 506 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)