./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product20.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_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/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_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/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_41338204-9f6b-4b6e-9192-448eefb67adf/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 e0e95c13964d33a58c84e6632b6635f09155542b4e87cc9520cc45bb7c6f5f1d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:48:51,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:48:51,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:48:51,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:48:51,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:48:51,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:48:51,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:48:51,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:48:51,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:48:51,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:48:51,416 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:48:51,417 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:48:51,417 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:48:51,418 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:48:51,418 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:48:51,419 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:48:51,419 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:48:51,420 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:48:51,420 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:48:51,421 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:48:51,421 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:48:51,422 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:48:51,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:48:51,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:48:51,424 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:48:51,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:48:51,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:48:51,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:48:51,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:48:51,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:48:51,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:48:51,426 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:48:51,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:48:51,427 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:48:51,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:48:51,428 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:48:51,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:48:51,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:48:51,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:48:51,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:48:51,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:48:51,429 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:48:51,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:48:51,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:48:51,429 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:48:51,430 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:48:51,430 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:48:51,430 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_41338204-9f6b-4b6e-9192-448eefb67adf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0e95c13964d33a58c84e6632b6635f09155542b4e87cc9520cc45bb7c6f5f1d [2023-12-02 14:48:51,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:48:51,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:48:51,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:48:51,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:48:51,696 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:48:51,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/product-lines/email_spec1_product20.cil.c [2023-12-02 14:48:54,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:48:54,785 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:48:54,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/sv-benchmarks/c/product-lines/email_spec1_product20.cil.c [2023-12-02 14:48:54,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/data/3e76abec8/bfbff21003cd439fbc98d0c14f1a80b0/FLAG5e5903225 [2023-12-02 14:48:54,820 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/data/3e76abec8/bfbff21003cd439fbc98d0c14f1a80b0 [2023-12-02 14:48:54,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:48:54,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:48:54,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:48:54,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:48:54,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:48:54,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:48:54" (1/1) ... [2023-12-02 14:48:54,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f624f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:54, skipping insertion in model container [2023-12-02 14:48:54,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:48:54" (1/1) ... [2023-12-02 14:48:54,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:48:55,206 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_41338204-9f6b-4b6e-9192-448eefb67adf/sv-benchmarks/c/product-lines/email_spec1_product20.cil.c[17698,17711] [2023-12-02 14:48:55,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:48:55,395 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:48:55,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2023-12-02 14:48:55,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [460] [2023-12-02 14:48:55,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [795] [2023-12-02 14:48:55,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [899] [2023-12-02 14:48:55,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [908] [2023-12-02 14:48:55,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1220] [2023-12-02 14:48:55,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1439] [2023-12-02 14:48:55,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [2501] [2023-12-02 14:48:55,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2529] [2023-12-02 14:48:55,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2895] [2023-12-02 14:48:55,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2930] [2023-12-02 14:48:55,440 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_41338204-9f6b-4b6e-9192-448eefb67adf/sv-benchmarks/c/product-lines/email_spec1_product20.cil.c[17698,17711] [2023-12-02 14:48:55,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:48:55,524 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:48:55,531 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:48:55,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:55 WrapperNode [2023-12-02 14:48:55,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:48:55,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:48:55,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:48:55,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:48:55,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:55" (1/1) ... [2023-12-02 14:48:55,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:55" (1/1) ... [2023-12-02 14:48:55,615 INFO L138 Inliner]: procedures = 128, calls = 215, calls flagged for inlining = 55, calls inlined = 48, statements flattened = 979 [2023-12-02 14:48:55,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:48:55,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:48:55,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:48:55,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:48:55,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:55" (1/1) ... [2023-12-02 14:48:55,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:55" (1/1) ... [2023-12-02 14:48:55,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:55" (1/1) ... [2023-12-02 14:48:55,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:55" (1/1) ... [2023-12-02 14:48:55,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:55" (1/1) ... [2023-12-02 14:48:55,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:55" (1/1) ... [2023-12-02 14:48:55,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:55" (1/1) ... [2023-12-02 14:48:55,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:55" (1/1) ... [2023-12-02 14:48:55,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:48:55,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:48:55,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:48:55,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:48:55,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:55" (1/1) ... [2023-12-02 14:48:55,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:48:55,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:48:55,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:48:55,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:48:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-02 14:48:55,772 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-02 14:48:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-02 14:48:55,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-02 14:48:55,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-02 14:48:55,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-02 14:48:55,773 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-02 14:48:55,773 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-02 14:48:55,774 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-02 14:48:55,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-02 14:48:55,774 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-02 14:48:55,774 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-02 14:48:55,774 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-02 14:48:55,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-02 14:48:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-02 14:48:55,775 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-02 14:48:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-02 14:48:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-02 14:48:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-02 14:48:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-02 14:48:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-12-02 14:48:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-02 14:48:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-02 14:48:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-02 14:48:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-02 14:48:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:48:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-02 14:48:55,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-02 14:48:55,778 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-02 14:48:55,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-02 14:48:55,778 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-02 14:48:55,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-02 14:48:55,779 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-02 14:48:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-02 14:48:55,779 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-02 14:48:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-02 14:48:55,779 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-02 14:48:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-02 14:48:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-02 14:48:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-02 14:48:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-02 14:48:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-02 14:48:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:48:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-02 14:48:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-02 14:48:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-02 14:48:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-02 14:48:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:48:55,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:48:55,976 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:48:55,979 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:48:56,800 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:48:57,390 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:48:57,391 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:48:57,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:57 BoogieIcfgContainer [2023-12-02 14:48:57,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:48:57,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:48:57,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:48:57,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:48:57,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:48:54" (1/3) ... [2023-12-02 14:48:57,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680fe173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:48:57, skipping insertion in model container [2023-12-02 14:48:57,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:55" (2/3) ... [2023-12-02 14:48:57,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680fe173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:48:57, skipping insertion in model container [2023-12-02 14:48:57,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:57" (3/3) ... [2023-12-02 14:48:57,402 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product20.cil.c [2023-12-02 14:48:57,422 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:48:57,423 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:48:57,480 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:48:57,488 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;@26b4e7dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:48:57,488 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:48:57,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 108 states have internal predecessors, (138), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-02 14:48:57,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 14:48:57,511 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:48:57,512 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] [2023-12-02 14:48:57,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:48:57,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:48:57,518 INFO L85 PathProgramCache]: Analyzing trace with hash -56271097, now seen corresponding path program 1 times [2023-12-02 14:48:57,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:48:57,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390932372] [2023-12-02 14:48:57,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:48:57,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:48:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:48:57,863 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 14:48:57,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:48:57,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390932372] [2023-12-02 14:48:57,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390932372] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:48:57,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:48:57,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:48:57,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356284848] [2023-12-02 14:48:57,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:48:57,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:48:57,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:48:57,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:48:57,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:48:57,909 INFO L87 Difference]: Start difference. First operand has 181 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 108 states have internal predecessors, (138), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 14:48:58,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:48:58,044 INFO L93 Difference]: Finished difference Result 270 states and 363 transitions. [2023-12-02 14:48:58,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:48:58,047 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2023-12-02 14:48:58,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:48:58,061 INFO L225 Difference]: With dead ends: 270 [2023-12-02 14:48:58,061 INFO L226 Difference]: Without dead ends: 178 [2023-12-02 14:48:58,066 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 14:48:58,070 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:48:58,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 208 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:48:58,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-12-02 14:48:58,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2023-12-02 14:48:58,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 101 states have (on average 1.306930693069307) internal successors, (132), 105 states have internal predecessors, (132), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2023-12-02 14:48:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 239 transitions. [2023-12-02 14:48:58,133 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 239 transitions. Word has length 63 [2023-12-02 14:48:58,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:48:58,134 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 239 transitions. [2023-12-02 14:48:58,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 14:48:58,135 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 239 transitions. [2023-12-02 14:48:58,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 14:48:58,139 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:48:58,139 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] [2023-12-02 14:48:58,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:48:58,140 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:48:58,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:48:58,141 INFO L85 PathProgramCache]: Analyzing trace with hash -95747678, now seen corresponding path program 1 times [2023-12-02 14:48:58,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:48:58,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758962549] [2023-12-02 14:48:58,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:48:58,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:48:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:48:58,332 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 14:48:58,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:48:58,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758962549] [2023-12-02 14:48:58,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758962549] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:48:58,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:48:58,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:48:58,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159652079] [2023-12-02 14:48:58,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:48:58,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:48:58,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:48:58,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:48:58,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:48:58,337 INFO L87 Difference]: Start difference. First operand 178 states and 239 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 14:48:58,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:48:58,448 INFO L93 Difference]: Finished difference Result 266 states and 348 transitions. [2023-12-02 14:48:58,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:48:58,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 64 [2023-12-02 14:48:58,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:48:58,452 INFO L225 Difference]: With dead ends: 266 [2023-12-02 14:48:58,452 INFO L226 Difference]: Without dead ends: 180 [2023-12-02 14:48:58,454 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 14:48:58,455 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 0 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:48:58,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 409 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:48:58,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-12-02 14:48:58,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2023-12-02 14:48:58,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 103 states have (on average 1.3009708737864079) internal successors, (134), 107 states have internal predecessors, (134), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2023-12-02 14:48:58,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 241 transitions. [2023-12-02 14:48:58,478 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 241 transitions. Word has length 64 [2023-12-02 14:48:58,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:48:58,478 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 241 transitions. [2023-12-02 14:48:58,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 14:48:58,479 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 241 transitions. [2023-12-02 14:48:58,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 14:48:58,482 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:48:58,482 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] [2023-12-02 14:48:58,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 14:48:58,483 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:48:58,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:48:58,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1670808545, now seen corresponding path program 1 times [2023-12-02 14:48:58,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:48:58,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077019770] [2023-12-02 14:48:58,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:48:58,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:48:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:48:58,628 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 14:48:58,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:48:58,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077019770] [2023-12-02 14:48:58,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077019770] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:48:58,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:48:58,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:48:58,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080542170] [2023-12-02 14:48:58,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:48:58,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:48:58,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:48:58,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:48:58,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:48:58,632 INFO L87 Difference]: Start difference. First operand 180 states and 241 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 14:48:58,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:48:58,749 INFO L93 Difference]: Finished difference Result 395 states and 549 transitions. [2023-12-02 14:48:58,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:48:58,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 69 [2023-12-02 14:48:58,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:48:58,753 INFO L225 Difference]: With dead ends: 395 [2023-12-02 14:48:58,753 INFO L226 Difference]: Without dead ends: 233 [2023-12-02 14:48:58,755 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 14:48:58,756 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 59 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:48:58,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 418 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:48:58,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2023-12-02 14:48:58,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 228. [2023-12-02 14:48:58,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 137 states have (on average 1.3795620437956204) internal successors, (189), 141 states have internal predecessors, (189), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2023-12-02 14:48:58,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 324 transitions. [2023-12-02 14:48:58,783 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 324 transitions. Word has length 69 [2023-12-02 14:48:58,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:48:58,783 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 324 transitions. [2023-12-02 14:48:58,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 14:48:58,784 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 324 transitions. [2023-12-02 14:48:58,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 14:48:58,786 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:48:58,786 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] [2023-12-02 14:48:58,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 14:48:58,787 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:48:58,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:48:58,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1129937974, now seen corresponding path program 1 times [2023-12-02 14:48:58,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:48:58,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461266683] [2023-12-02 14:48:58,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:48:58,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:48:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:48:58,957 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 14:48:58,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:48:58,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461266683] [2023-12-02 14:48:58,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461266683] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:48:58,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727147540] [2023-12-02 14:48:58,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:48:58,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:48:58,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:48:58,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:48:58,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:48:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:48:59,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:48:59,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:48:59,352 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 14:48:59,353 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:48:59,431 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 14:48:59,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727147540] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:48:59,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1625166935] [2023-12-02 14:48:59,454 INFO L159 IcfgInterpreter]: Started Sifa with 59 locations of interest [2023-12-02 14:48:59,454 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:48:59,458 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:48:59,464 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:48:59,464 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:49:50,730 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2023-12-02 14:49:50,898 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2023-12-02 14:49:51,122 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:50:45,660 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification. DAG size of input: 493 DAG size of output: 493 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:50:54,836 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification. DAG size of input: 494 DAG size of output: 493 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:51:15,527 WARN L293 SmtUtils]: Spent 20.26s on a formula simplification. DAG size of input: 506 DAG size of output: 495 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:51:37,084 WARN L293 SmtUtils]: Spent 21.07s on a formula simplification. DAG size of input: 504 DAG size of output: 493 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:51:40,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1625166935] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:51:40,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:51:40,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [4, 4, 4] total 29 [2023-12-02 14:51:40,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743729336] [2023-12-02 14:51:40,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:51:40,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-02 14:51:40,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:51:40,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-02 14:51:40,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2023-12-02 14:51:40,473 INFO L87 Difference]: Start difference. First operand 228 states and 324 transitions. Second operand has 24 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-12-02 14:51:54,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:51:54,584 INFO L93 Difference]: Finished difference Result 503 states and 748 transitions. [2023-12-02 14:51:54,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 14:51:54,585 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 70 [2023-12-02 14:51:54,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:51:54,588 INFO L225 Difference]: With dead ends: 503 [2023-12-02 14:51:54,588 INFO L226 Difference]: Without dead ends: 293 [2023-12-02 14:51:54,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 112.5s TimeCoverageRelationStatistics Valid=91, Invalid=779, Unknown=0, NotChecked=0, Total=870 [2023-12-02 14:51:54,591 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 87 mSDsluCounter, 2436 mSDsCounter, 0 mSdLazyCounter, 2196 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2659 SdHoareTripleChecker+Invalid, 2206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-12-02 14:51:54,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2659 Invalid, 2206 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2196 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2023-12-02 14:51:54,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-12-02 14:51:54,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 251. [2023-12-02 14:51:54,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 159 states have (on average 1.3962264150943395) internal successors, (222), 163 states have internal predecessors, (222), 68 states have call successors, (68), 23 states have call predecessors, (68), 23 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2023-12-02 14:51:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 357 transitions. [2023-12-02 14:51:54,663 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 357 transitions. Word has length 70 [2023-12-02 14:51:54,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:51:54,664 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 357 transitions. [2023-12-02 14:51:54,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-12-02 14:51:54,664 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 357 transitions. [2023-12-02 14:51:54,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 14:51:54,667 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:51:54,667 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] [2023-12-02 14:51:54,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:51:54,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:51:54,873 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:51:54,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:51:54,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1279004783, now seen corresponding path program 1 times [2023-12-02 14:51:54,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:51:54,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165708691] [2023-12-02 14:51:54,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:51:54,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:51:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:51:54,962 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 14:51:54,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:51:54,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165708691] [2023-12-02 14:51:54,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165708691] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:51:54,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:51:54,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:51:54,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795883666] [2023-12-02 14:51:54,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:51:54,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:51:54,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:51:54,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:51:54,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:51:54,965 INFO L87 Difference]: Start difference. First operand 251 states and 357 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 14:51:55,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:51:55,176 INFO L93 Difference]: Finished difference Result 605 states and 894 transitions. [2023-12-02 14:51:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:51:55,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 75 [2023-12-02 14:51:55,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:51:55,181 INFO L225 Difference]: With dead ends: 605 [2023-12-02 14:51:55,181 INFO L226 Difference]: Without dead ends: 378 [2023-12-02 14:51:55,182 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 14:51:55,183 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 57 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:51:55,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 413 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:51:55,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2023-12-02 14:51:55,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 373. [2023-12-02 14:51:55,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 250 states have (on average 1.448) internal successors, (362), 254 states have internal predecessors, (362), 99 states have call successors, (99), 23 states have call predecessors, (99), 23 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-12-02 14:51:55,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 559 transitions. [2023-12-02 14:51:55,293 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 559 transitions. Word has length 75 [2023-12-02 14:51:55,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:51:55,294 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 559 transitions. [2023-12-02 14:51:55,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 14:51:55,294 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 559 transitions. [2023-12-02 14:51:55,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 14:51:55,296 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:51:55,297 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] [2023-12-02 14:51:55,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 14:51:55,297 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:51:55,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:51:55,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1279551865, now seen corresponding path program 1 times [2023-12-02 14:51:55,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:51:55,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101880416] [2023-12-02 14:51:55,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:51:55,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:51:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:51:55,439 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 14:51:55,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:51:55,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101880416] [2023-12-02 14:51:55,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101880416] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:51:55,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210246131] [2023-12-02 14:51:55,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:51:55,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:51:55,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:51:55,444 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:51:55,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 14:51:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:51:55,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:51:55,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:51:55,762 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 14:51:55,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:51:55,810 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 14:51:55,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210246131] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:51:55,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [395731310] [2023-12-02 14:51:55,814 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2023-12-02 14:51:55,814 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:51:55,815 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:51:55,815 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:51:55,815 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:53:04,059 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2023-12-02 14:53:04,228 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 473 for LOIs [2023-12-02 14:53:06,390 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:53:26,647 WARN L293 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 473 DAG size of output: 474 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:53:36,045 WARN L293 SmtUtils]: Spent 9.22s on a formula simplification. DAG size of input: 503 DAG size of output: 499 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:54:13,461 WARN L293 SmtUtils]: Spent 9.08s on a formula simplification. DAG size of input: 496 DAG size of output: 496 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:54:22,678 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification. DAG size of input: 497 DAG size of output: 496 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:54:43,595 WARN L293 SmtUtils]: Spent 20.46s on a formula simplification. DAG size of input: 509 DAG size of output: 498 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:55:05,203 WARN L293 SmtUtils]: Spent 21.14s on a formula simplification. DAG size of input: 507 DAG size of output: 496 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:55:23,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [395731310] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:55:23,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:55:23,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2023-12-02 14:55:23,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164526343] [2023-12-02 14:55:23,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:55:23,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-02 14:55:23,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:55:23,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-02 14:55:23,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=940, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 14:55:23,286 INFO L87 Difference]: Start difference. First operand 373 states and 559 transitions. Second operand has 28 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2023-12-02 14:55:35,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:55:35,825 INFO L93 Difference]: Finished difference Result 764 states and 1175 transitions. [2023-12-02 14:55:35,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 14:55:35,826 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) Word has length 76 [2023-12-02 14:55:35,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:55:35,829 INFO L225 Difference]: With dead ends: 764 [2023-12-02 14:55:35,829 INFO L226 Difference]: Without dead ends: 454 [2023-12-02 14:55:35,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 136.9s TimeCoverageRelationStatistics Valid=116, Invalid=940, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 14:55:35,831 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 76 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 2352 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 2663 SdHoareTripleChecker+Invalid, 2360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:55:35,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 2663 Invalid, 2360 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2352 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2023-12-02 14:55:35,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2023-12-02 14:55:35,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 387. [2023-12-02 14:55:35,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 262 states have (on average 1.4465648854961832) internal successors, (379), 266 states have internal predecessors, (379), 100 states have call successors, (100), 24 states have call predecessors, (100), 24 states have return successors, (99), 98 states have call predecessors, (99), 99 states have call successors, (99) [2023-12-02 14:55:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 578 transitions. [2023-12-02 14:55:35,954 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 578 transitions. Word has length 76 [2023-12-02 14:55:35,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:55:35,955 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 578 transitions. [2023-12-02 14:55:35,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2023-12-02 14:55:35,955 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 578 transitions. [2023-12-02 14:55:35,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 14:55:35,958 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:55:35,958 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] [2023-12-02 14:55:35,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 14:55:36,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:55:36,161 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:55:36,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:55:36,161 INFO L85 PathProgramCache]: Analyzing trace with hash 748885257, now seen corresponding path program 1 times [2023-12-02 14:55:36,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:55:36,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993486277] [2023-12-02 14:55:36,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:36,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:55:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:36,310 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 14:55:36,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:55:36,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993486277] [2023-12-02 14:55:36,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993486277] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:55:36,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930694023] [2023-12-02 14:55:36,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:55:36,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:55:36,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:55:36,312 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:55:36,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 14:55:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:55:36,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:55:36,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:55:36,616 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 14:55:36,616 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:55:36,664 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 14:55:36,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930694023] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:55:36,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [603410808] [2023-12-02 14:55:36,667 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2023-12-02 14:55:36,667 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:55:36,667 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:55:36,667 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:55:36,667 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:57:04,893 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2023-12-02 14:57:05,059 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 532 for LOIs [2023-12-02 14:57:06,704 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 599 for LOIs [2023-12-02 14:57:11,334 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 464 for LOIs [2023-12-02 14:57:12,094 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2023-12-02 14:57:12,313 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:58:07,606 WARN L293 SmtUtils]: Spent 10.19s on a formula simplification. DAG size of input: 569 DAG size of output: 564 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:58:18,730 WARN L293 SmtUtils]: Spent 10.75s on a formula simplification. DAG size of input: 570 DAG size of output: 564 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:58:45,794 WARN L293 SmtUtils]: Spent 8.26s on a formula simplification. DAG size of input: 607 DAG size of output: 599 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:58:54,865 WARN L293 SmtUtils]: Spent 8.52s on a formula simplification. DAG size of input: 599 DAG size of output: 591 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:59:03,792 WARN L293 SmtUtils]: Spent 8.38s on a formula simplification. DAG size of input: 605 DAG size of output: 597 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:59:20,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [603410808] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:59:20,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:59:20,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2023-12-02 14:59:20,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460320723] [2023-12-02 14:59:20,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:59:20,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-12-02 14:59:20,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:59:20,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-12-02 14:59:20,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 14:59:20,781 INFO L87 Difference]: Start difference. First operand 387 states and 578 transitions. Second operand has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2023-12-02 14:59:49,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:59:49,554 INFO L93 Difference]: Finished difference Result 789 states and 1210 transitions. [2023-12-02 14:59:49,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 14:59:49,555 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) Word has length 79 [2023-12-02 14:59:49,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:59:49,559 INFO L225 Difference]: With dead ends: 789 [2023-12-02 14:59:49,559 INFO L226 Difference]: Without dead ends: 479 [2023-12-02 14:59:49,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 131.6s TimeCoverageRelationStatistics Valid=120, Invalid=1362, Unknown=0, NotChecked=0, Total=1482 [2023-12-02 14:59:49,562 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 60 mSDsluCounter, 3339 mSDsCounter, 0 mSdLazyCounter, 4005 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 3531 SdHoareTripleChecker+Invalid, 4015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 4005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:59:49,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 3531 Invalid, 4015 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 4005 Invalid, 0 Unknown, 0 Unchecked, 25.2s Time] [2023-12-02 14:59:49,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2023-12-02 14:59:49,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 423. [2023-12-02 14:59:49,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 292 states have (on average 1.4417808219178083) internal successors, (421), 296 states have internal predecessors, (421), 103 states have call successors, (103), 27 states have call predecessors, (103), 27 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2023-12-02 14:59:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 626 transitions. [2023-12-02 14:59:49,733 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 626 transitions. Word has length 79 [2023-12-02 14:59:49,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:59:49,733 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 626 transitions. [2023-12-02 14:59:49,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2023-12-02 14:59:49,734 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 626 transitions. [2023-12-02 14:59:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 14:59:49,736 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:59:49,736 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] [2023-12-02 14:59:49,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 14:59:49,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:59:49,937 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:59:49,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:59:49,937 INFO L85 PathProgramCache]: Analyzing trace with hash 560914546, now seen corresponding path program 1 times [2023-12-02 14:59:49,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:59:49,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521012346] [2023-12-02 14:59:49,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:59:49,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:59:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:59:50,031 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 14:59:50,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:59:50,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521012346] [2023-12-02 14:59:50,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521012346] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:59:50,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645768246] [2023-12-02 14:59:50,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:59:50,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:59:50,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:59:50,033 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:59:50,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41338204-9f6b-4b6e-9192-448eefb67adf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 14:59:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:59:50,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:59:50,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:59:50,328 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 14:59:50,329 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:59:50,379 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 14:59:50,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645768246] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:59:50,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1900614560] [2023-12-02 14:59:50,383 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2023-12-02 14:59:50,383 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:59:50,384 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:59:50,384 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:59:50,384 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:00:59,732 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2023-12-02 15:00:59,898 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2023-12-02 15:01:00,125 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:01:54,455 WARN L293 SmtUtils]: Spent 9.27s on a formula simplification. DAG size of input: 500 DAG size of output: 500 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:02:03,829 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification. DAG size of input: 501 DAG size of output: 500 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:02:25,137 WARN L293 SmtUtils]: Spent 20.88s 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 15:02:46,921 WARN L293 SmtUtils]: Spent 21.33s 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)