./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/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_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/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_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/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 bd6587ac6cf18c69f9c15caef5354ee5ad606346c35154ee0861ae3e169457d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:07:54,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:07:54,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:07:54,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:07:54,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:07:54,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:07:54,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:07:54,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:07:54,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:07:54,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:07:54,259 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:07:54,260 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:07:54,260 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:07:54,261 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:07:54,261 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:07:54,262 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:07:54,262 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:07:54,263 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:07:54,263 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:07:54,264 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:07:54,264 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:07:54,265 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:07:54,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:07:54,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:07:54,267 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:07:54,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:07:54,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:07:54,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:07:54,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:07:54,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:07:54,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:07:54,270 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:07:54,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:07:54,270 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:07:54,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:07:54,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:07:54,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:07:54,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:54,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:07:54,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:07:54,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:07:54,272 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:07:54,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:07:54,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:07:54,273 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:07:54,273 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:07:54,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:07:54,273 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_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd6587ac6cf18c69f9c15caef5354ee5ad606346c35154ee0861ae3e169457d6 [2023-12-02 13:07:54,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:07:54,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:07:54,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:07:54,522 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:07:54,522 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:07:54,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/product-lines/email_spec0_product38.cil.c [2023-12-02 13:07:57,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:07:57,605 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:07:57,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/sv-benchmarks/c/product-lines/email_spec0_product38.cil.c [2023-12-02 13:07:57,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/data/2143db742/f279460fd9a945df8ed5c3249b5c6fd2/FLAGadb2bfcf0 [2023-12-02 13:07:57,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/data/2143db742/f279460fd9a945df8ed5c3249b5c6fd2 [2023-12-02 13:07:57,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:07:57,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:07:57,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:57,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:07:57,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:07:57,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:57" (1/1) ... [2023-12-02 13:07:57,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a79f6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:57, skipping insertion in model container [2023-12-02 13:07:57,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:57" (1/1) ... [2023-12-02 13:07:57,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:07:57,948 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_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/sv-benchmarks/c/product-lines/email_spec0_product38.cil.c[9373,9386] [2023-12-02 13:07:58,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:58,209 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:07:58,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2023-12-02 13:07:58,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [460] [2023-12-02 13:07:58,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [469] [2023-12-02 13:07:58,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [801] [2023-12-02 13:07:58,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1167] [2023-12-02 13:07:58,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1386] [2023-12-02 13:07:58,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2455] [2023-12-02 13:07:58,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2475] [2023-12-02 13:07:58,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2510] [2023-12-02 13:07:58,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2747] [2023-12-02 13:07:58,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2810] [2023-12-02 13:07:58,236 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_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/sv-benchmarks/c/product-lines/email_spec0_product38.cil.c[9373,9386] [2023-12-02 13:07:58,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:58,340 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 13:07:58,345 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:07:58,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:58 WrapperNode [2023-12-02 13:07:58,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:58,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:58,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:07:58,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:07:58,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:58" (1/1) ... [2023-12-02 13:07:58,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:58" (1/1) ... [2023-12-02 13:07:58,423 INFO L138 Inliner]: procedures = 124, calls = 195, calls flagged for inlining = 49, calls inlined = 46, statements flattened = 897 [2023-12-02 13:07:58,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:58,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:07:58,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:07:58,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:07:58,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:58" (1/1) ... [2023-12-02 13:07:58,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:58" (1/1) ... [2023-12-02 13:07:58,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:58" (1/1) ... [2023-12-02 13:07:58,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:58" (1/1) ... [2023-12-02 13:07:58,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:58" (1/1) ... [2023-12-02 13:07:58,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:58" (1/1) ... [2023-12-02 13:07:58,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:58" (1/1) ... [2023-12-02 13:07:58,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:58" (1/1) ... [2023-12-02 13:07:58,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:07:58,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:07:58,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:07:58,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:07:58,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:58" (1/1) ... [2023-12-02 13:07:58,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:58,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:07:58,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:07:58,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:07:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-02 13:07:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-02 13:07:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-02 13:07:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-02 13:07:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-12-02 13:07:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-12-02 13:07:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-02 13:07:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-02 13:07:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-02 13:07:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-02 13:07:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-02 13:07:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-02 13:07:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-02 13:07:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-02 13:07:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-02 13:07:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-02 13:07:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-12-02 13:07:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-02 13:07:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-02 13:07:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:07:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-02 13:07:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-02 13:07:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-02 13:07:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-02 13:07:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-02 13:07:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-02 13:07:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-02 13:07:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-02 13:07:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-02 13:07:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-02 13:07:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-02 13:07:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-02 13:07:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-02 13:07:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-02 13:07:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:07:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-02 13:07:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-02 13:07:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-02 13:07:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-02 13:07:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:07:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:07:58,749 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:07:58,751 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:07:59,407 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:07:59,859 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:07:59,859 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:07:59,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:59 BoogieIcfgContainer [2023-12-02 13:07:59,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:07:59,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:07:59,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:07:59,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:07:59,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:07:57" (1/3) ... [2023-12-02 13:07:59,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbd9c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:59, skipping insertion in model container [2023-12-02 13:07:59,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:58" (2/3) ... [2023-12-02 13:07:59,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbd9c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:59, skipping insertion in model container [2023-12-02 13:07:59,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:59" (3/3) ... [2023-12-02 13:07:59,871 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product38.cil.c [2023-12-02 13:07:59,892 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:07:59,893 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:07:59,948 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:07:59,955 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;@4806ec2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:07:59,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:07:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 89 states have (on average 1.3370786516853932) internal successors, (119), 92 states have internal predecessors, (119), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-12-02 13:07:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 13:07:59,976 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:59,977 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] [2023-12-02 13:07:59,978 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:59,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:59,983 INFO L85 PathProgramCache]: Analyzing trace with hash 740875586, now seen corresponding path program 1 times [2023-12-02 13:07:59,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:07:59,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628108248] [2023-12-02 13:07:59,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:59,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:08:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:00,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 13:08:00,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:08:00,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628108248] [2023-12-02 13:08:00,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628108248] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:08:00,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:08:00,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:08:00,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344837827] [2023-12-02 13:08:00,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:08:00,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:08:00,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:08:00,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:08:00,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:08:00,361 INFO L87 Difference]: Start difference. First operand has 156 states, 89 states have (on average 1.3370786516853932) internal successors, (119), 92 states have internal predecessors, (119), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 13:08:00,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:08:00,467 INFO L93 Difference]: Finished difference Result 220 states and 297 transitions. [2023-12-02 13:08:00,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:08:00,470 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 65 [2023-12-02 13:08:00,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:08:00,481 INFO L225 Difference]: With dead ends: 220 [2023-12-02 13:08:00,481 INFO L226 Difference]: Without dead ends: 153 [2023-12-02 13:08:00,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:08:00,489 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:08:00,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:08:00,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-12-02 13:08:00,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2023-12-02 13:08:00,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 87 states have (on average 1.2988505747126438) internal successors, (113), 89 states have internal predecessors, (113), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 13:08:00,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 206 transitions. [2023-12-02 13:08:00,544 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 206 transitions. Word has length 65 [2023-12-02 13:08:00,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:08:00,545 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 206 transitions. [2023-12-02 13:08:00,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 13:08:00,546 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 206 transitions. [2023-12-02 13:08:00,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 13:08:00,551 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:08:00,551 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] [2023-12-02 13:08:00,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:08:00,552 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:08:00,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:08:00,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1639955656, now seen corresponding path program 1 times [2023-12-02 13:08:00,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:08:00,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670423716] [2023-12-02 13:08:00,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:00,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:08:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 13:08:00,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:08:00,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670423716] [2023-12-02 13:08:00,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670423716] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:08:00,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:08:00,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:08:00,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016867865] [2023-12-02 13:08:00,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:08:00,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:08:00,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:08:00,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:08:00,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:08:00,756 INFO L87 Difference]: Start difference. First operand 153 states and 206 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 13:08:00,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:08:00,854 INFO L93 Difference]: Finished difference Result 216 states and 282 transitions. [2023-12-02 13:08:00,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:08:00,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 66 [2023-12-02 13:08:00,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:08:00,857 INFO L225 Difference]: With dead ends: 216 [2023-12-02 13:08:00,858 INFO L226 Difference]: Without dead ends: 155 [2023-12-02 13:08:00,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:08:00,860 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:08:00,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:08:00,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-12-02 13:08:00,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2023-12-02 13:08:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 89 states have (on average 1.2921348314606742) internal successors, (115), 91 states have internal predecessors, (115), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 13:08:00,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 208 transitions. [2023-12-02 13:08:00,880 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 208 transitions. Word has length 66 [2023-12-02 13:08:00,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:08:00,881 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 208 transitions. [2023-12-02 13:08:00,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 13:08:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 208 transitions. [2023-12-02 13:08:00,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 13:08:00,883 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:08:00,884 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:08:00,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 13:08:00,884 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:08:00,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:08:00,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1365881471, now seen corresponding path program 1 times [2023-12-02 13:08:00,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:08:00,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072854670] [2023-12-02 13:08:00,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:00,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:08:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:01,000 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 13:08:01,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:08:01,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072854670] [2023-12-02 13:08:01,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072854670] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:08:01,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:08:01,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:08:01,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217967825] [2023-12-02 13:08:01,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:08:01,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:08:01,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:08:01,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:08:01,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:08:01,003 INFO L87 Difference]: Start difference. First operand 155 states and 208 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 13:08:01,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:08:01,103 INFO L93 Difference]: Finished difference Result 345 states and 483 transitions. [2023-12-02 13:08:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:08:01,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 71 [2023-12-02 13:08:01,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:08:01,106 INFO L225 Difference]: With dead ends: 345 [2023-12-02 13:08:01,106 INFO L226 Difference]: Without dead ends: 208 [2023-12-02 13:08:01,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:08:01,109 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 59 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:08:01,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 357 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:08:01,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-12-02 13:08:01,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 203. [2023-12-02 13:08:01,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 125 states have internal predecessors, (170), 61 states have call successors, (61), 18 states have call predecessors, (61), 18 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-02 13:08:01,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 291 transitions. [2023-12-02 13:08:01,133 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 291 transitions. Word has length 71 [2023-12-02 13:08:01,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:08:01,134 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 291 transitions. [2023-12-02 13:08:01,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 13:08:01,134 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 291 transitions. [2023-12-02 13:08:01,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 13:08:01,137 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:08:01,137 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:08:01,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 13:08:01,137 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:08:01,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:08:01,138 INFO L85 PathProgramCache]: Analyzing trace with hash -701312197, now seen corresponding path program 1 times [2023-12-02 13:08:01,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:08:01,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775395388] [2023-12-02 13:08:01,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:01,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:08:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 13:08:01,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:08:01,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775395388] [2023-12-02 13:08:01,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775395388] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:08:01,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560791123] [2023-12-02 13:08:01,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:01,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:08:01,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:08:01,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:08:01,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:08:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:01,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:08:01,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:08:01,737 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 13:08:01,737 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:08:01,809 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 13:08:01,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560791123] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:08:01,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [562497848] [2023-12-02 13:08:01,832 INFO L159 IcfgInterpreter]: Started Sifa with 59 locations of interest [2023-12-02 13:08:01,833 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:08:01,837 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:08:01,843 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:08:01,843 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:08:39,628 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2023-12-02 13:08:39,860 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2023-12-02 13:08:40,019 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:09:33,862 WARN L293 SmtUtils]: Spent 9.30s on a formula simplification. DAG size of input: 484 DAG size of output: 484 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:09:47,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [562497848] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:09:47,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:09:47,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [4, 4, 4] total 29 [2023-12-02 13:09:47,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357329205] [2023-12-02 13:09:47,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:09:47,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-02 13:09:47,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:09:47,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-02 13:09:47,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2023-12-02 13:09:47,925 INFO L87 Difference]: Start difference. First operand 203 states and 291 transitions. Second operand has 24 states, 16 states have (on average 2.25) internal successors, (36), 15 states have internal predecessors, (36), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2023-12-02 13:10:02,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:10:02,634 INFO L93 Difference]: Finished difference Result 453 states and 682 transitions. [2023-12-02 13:10:02,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 13:10:02,635 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 16 states have (on average 2.25) internal successors, (36), 15 states have internal predecessors, (36), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 72 [2023-12-02 13:10:02,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:10:02,638 INFO L225 Difference]: With dead ends: 453 [2023-12-02 13:10:02,638 INFO L226 Difference]: Without dead ends: 268 [2023-12-02 13:10:02,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 71.1s TimeCoverageRelationStatistics Valid=91, Invalid=779, Unknown=0, NotChecked=0, Total=870 [2023-12-02 13:10:02,640 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 58 mSDsluCounter, 2332 mSDsCounter, 0 mSdLazyCounter, 2461 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 2524 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:10:02,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 2524 Invalid, 2471 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2461 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2023-12-02 13:10:02,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2023-12-02 13:10:02,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 226. [2023-12-02 13:10:02,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 145 states have (on average 1.4) internal successors, (203), 147 states have internal predecessors, (203), 61 states have call successors, (61), 19 states have call predecessors, (61), 19 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-02 13:10:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 324 transitions. [2023-12-02 13:10:02,716 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 324 transitions. Word has length 72 [2023-12-02 13:10:02,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:10:02,716 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 324 transitions. [2023-12-02 13:10:02,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 16 states have (on average 2.25) internal successors, (36), 15 states have internal predecessors, (36), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2023-12-02 13:10:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 324 transitions. [2023-12-02 13:10:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 13:10:02,719 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:10:02,719 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:10:02,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:10:02,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:10:02,920 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:10:02,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:10:02,921 INFO L85 PathProgramCache]: Analyzing trace with hash 172946711, now seen corresponding path program 1 times [2023-12-02 13:10:02,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:10:02,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947389226] [2023-12-02 13:10:02,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:10:02,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:10:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:10:03,019 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 13:10:03,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:10:03,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947389226] [2023-12-02 13:10:03,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947389226] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:10:03,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:10:03,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:10:03,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742544675] [2023-12-02 13:10:03,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:10:03,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:10:03,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:10:03,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:10:03,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:10:03,022 INFO L87 Difference]: Start difference. First operand 226 states and 324 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 13:10:03,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:10:03,185 INFO L93 Difference]: Finished difference Result 555 states and 828 transitions. [2023-12-02 13:10:03,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:10:03,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 77 [2023-12-02 13:10:03,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:10:03,189 INFO L225 Difference]: With dead ends: 555 [2023-12-02 13:10:03,189 INFO L226 Difference]: Without dead ends: 353 [2023-12-02 13:10:03,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:10:03,191 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 57 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:10:03,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 367 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:10:03,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2023-12-02 13:10:03,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 348. [2023-12-02 13:10:03,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 236 states have (on average 1.4533898305084745) internal successors, (343), 238 states have internal predecessors, (343), 92 states have call successors, (92), 19 states have call predecessors, (92), 19 states have return successors, (91), 90 states have call predecessors, (91), 91 states have call successors, (91) [2023-12-02 13:10:03,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 526 transitions. [2023-12-02 13:10:03,292 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 526 transitions. Word has length 77 [2023-12-02 13:10:03,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:10:03,292 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 526 transitions. [2023-12-02 13:10:03,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 13:10:03,293 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 526 transitions. [2023-12-02 13:10:03,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 13:10:03,296 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:10:03,296 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:10:03,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 13:10:03,296 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:10:03,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:10:03,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1232722538, now seen corresponding path program 1 times [2023-12-02 13:10:03,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:10:03,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552574449] [2023-12-02 13:10:03,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:10:03,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:10:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:10:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 13:10:03,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:10:03,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552574449] [2023-12-02 13:10:03,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552574449] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:10:03,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833844265] [2023-12-02 13:10:03,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:10:03,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:10:03,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:10:03,442 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:10:03,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 13:10:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:10:03,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:10:03,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:10:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 13:10:03,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:10:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 13:10:03,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833844265] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:10:03,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [213357353] [2023-12-02 13:10:03,812 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2023-12-02 13:10:03,812 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:10:03,812 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:10:03,813 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:10:03,813 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:11:07,039 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2023-12-02 13:11:07,262 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 461 for LOIs [2023-12-02 13:11:09,353 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:11:29,125 WARN L293 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 461 DAG size of output: 461 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:11:38,014 WARN L293 SmtUtils]: Spent 8.72s on a formula simplification. DAG size of input: 491 DAG size of output: 486 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:12:14,203 WARN L293 SmtUtils]: Spent 8.52s on a formula simplification. DAG size of input: 488 DAG size of output: 488 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:12:23,332 WARN L293 SmtUtils]: Spent 8.82s on a formula simplification. DAG size of input: 489 DAG size of output: 488 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:12:33,197 WARN L293 SmtUtils]: Spent 9.51s on a formula simplification. DAG size of input: 495 DAG size of output: 494 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:12:43,031 WARN L293 SmtUtils]: Spent 9.39s on a formula simplification. DAG size of input: 493 DAG size of output: 492 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:12:52,818 WARN L293 SmtUtils]: Spent 9.33s 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 13:13:02,454 WARN L293 SmtUtils]: Spent 9.19s on a formula simplification. DAG size of input: 495 DAG size of output: 494 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:13:12,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [213357353] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:13:12,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:13:12,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2023-12-02 13:13:12,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222519222] [2023-12-02 13:13:12,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:13:12,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-02 13:13:12,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:13:12,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-02 13:13:12,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=941, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 13:13:12,719 INFO L87 Difference]: Start difference. First operand 348 states and 526 transitions. Second operand has 28 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 8 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2023-12-02 13:13:27,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:13:27,410 INFO L93 Difference]: Finished difference Result 714 states and 1109 transitions. [2023-12-02 13:13:27,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 13:13:27,411 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 8 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 78 [2023-12-02 13:13:27,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:13:27,413 INFO L225 Difference]: With dead ends: 714 [2023-12-02 13:13:27,414 INFO L226 Difference]: Without dead ends: 429 [2023-12-02 13:13:27,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 126.4s TimeCoverageRelationStatistics Valid=120, Invalid=1002, Unknown=0, NotChecked=0, Total=1122 [2023-12-02 13:13:27,415 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 126 mSDsluCounter, 2078 mSDsCounter, 0 mSdLazyCounter, 2327 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 2240 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:13:27,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 2240 Invalid, 2336 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2327 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2023-12-02 13:13:27,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2023-12-02 13:13:27,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 362. [2023-12-02 13:13:27,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 248 states have (on average 1.4516129032258065) internal successors, (360), 250 states have internal predecessors, (360), 93 states have call successors, (93), 20 states have call predecessors, (93), 20 states have return successors, (92), 91 states have call predecessors, (92), 92 states have call successors, (92) [2023-12-02 13:13:27,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 545 transitions. [2023-12-02 13:13:27,524 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 545 transitions. Word has length 78 [2023-12-02 13:13:27,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:13:27,525 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 545 transitions. [2023-12-02 13:13:27,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 8 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2023-12-02 13:13:27,525 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 545 transitions. [2023-12-02 13:13:27,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 13:13:27,526 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:13:27,526 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:13:27,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 13:13:27,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:13:27,727 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:13:27,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:13:27,728 INFO L85 PathProgramCache]: Analyzing trace with hash -57387895, now seen corresponding path program 1 times [2023-12-02 13:13:27,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:13:27,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104753440] [2023-12-02 13:13:27,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:13:27,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:13:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:13:27,864 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 13:13:27,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:13:27,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104753440] [2023-12-02 13:13:27,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104753440] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:13:27,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157693052] [2023-12-02 13:13:27,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:13:27,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:13:27,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:13:27,871 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:13:27,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 13:13:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:13:28,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:13:28,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:13:28,181 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 13:13:28,181 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:13:28,239 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 13:13:28,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157693052] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:13:28,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [119780476] [2023-12-02 13:13:28,243 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2023-12-02 13:13:28,243 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:13:28,244 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:13:28,244 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:13:28,244 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:15:06,732 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2023-12-02 13:15:06,950 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 586 for LOIs [2023-12-02 13:15:11,196 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 595 for LOIs [2023-12-02 13:15:15,311 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 452 for LOIs [2023-12-02 13:15:16,131 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2023-12-02 13:15:16,287 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:16:10,231 WARN L293 SmtUtils]: Spent 10.16s 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 13:16:20,767 WARN L293 SmtUtils]: Spent 10.15s 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 13:16:46,330 WARN L293 SmtUtils]: Spent 7.83s 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 13:16:54,775 WARN L293 SmtUtils]: Spent 7.89s on a formula simplification. DAG size of input: 595 DAG size of output: 587 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:17:03,079 WARN L293 SmtUtils]: Spent 7.79s on a formula simplification. DAG size of input: 601 DAG size of output: 593 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:17:11,817 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification. DAG size of input: 597 DAG size of output: 589 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:17:20,089 WARN L293 SmtUtils]: Spent 7.68s on a formula simplification. DAG size of input: 586 DAG size of output: 578 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:17:28,598 WARN L293 SmtUtils]: Spent 7.91s on a formula simplification. DAG size of input: 592 DAG size of output: 584 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:17:32,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [119780476] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:17:32,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:17:32,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2023-12-02 13:17:32,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092191917] [2023-12-02 13:17:32,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:17:32,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-12-02 13:17:32,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:17:32,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-12-02 13:17:32,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1291, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 13:17:32,653 INFO L87 Difference]: Start difference. First operand 362 states and 545 transitions. Second operand has 33 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 10 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2023-12-02 13:17:58,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:17:58,798 INFO L93 Difference]: Finished difference Result 739 states and 1144 transitions. [2023-12-02 13:17:58,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 13:17:58,799 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 10 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) Word has length 81 [2023-12-02 13:17:58,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:17:58,802 INFO L225 Difference]: With dead ends: 739 [2023-12-02 13:17:58,802 INFO L226 Difference]: Without dead ends: 454 [2023-12-02 13:17:58,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 139.5s TimeCoverageRelationStatistics Valid=120, Invalid=1362, Unknown=0, NotChecked=0, Total=1482 [2023-12-02 13:17:58,804 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 60 mSDsluCounter, 2860 mSDsCounter, 0 mSdLazyCounter, 3463 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 3022 SdHoareTripleChecker+Invalid, 3473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:17:58,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 3022 Invalid, 3473 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 3463 Invalid, 0 Unknown, 0 Unchecked, 22.6s Time] [2023-12-02 13:17:58,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2023-12-02 13:17:58,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 398. [2023-12-02 13:17:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 278 states have (on average 1.4460431654676258) internal successors, (402), 280 states have internal predecessors, (402), 96 states have call successors, (96), 23 states have call predecessors, (96), 23 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2023-12-02 13:17:58,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 593 transitions. [2023-12-02 13:17:58,969 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 593 transitions. Word has length 81 [2023-12-02 13:17:58,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:17:58,970 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 593 transitions. [2023-12-02 13:17:58,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 10 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2023-12-02 13:17:58,970 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 593 transitions. [2023-12-02 13:17:58,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 13:17:58,972 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:17:58,972 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:17:58,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 13:17:59,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-12-02 13:17:59,173 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:17:59,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:17:59,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1064454691, now seen corresponding path program 1 times [2023-12-02 13:17:59,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:17:59,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89218156] [2023-12-02 13:17:59,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:17:59,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:17:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:17:59,288 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 13:17:59,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:17:59,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89218156] [2023-12-02 13:17:59,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89218156] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:17:59,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762635952] [2023-12-02 13:17:59,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:17:59,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:17:59,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:17:59,290 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:17:59,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae95e333-ecb7-4f1a-bd3a-e8f74a31d2be/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 13:17:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:17:59,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:17:59,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:17:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 13:17:59,573 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:17:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 13:17:59,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762635952] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:17:59,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [854798473] [2023-12-02 13:17:59,627 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2023-12-02 13:17:59,627 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:17:59,628 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:17:59,628 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:17:59,628 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:19:31,974 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2023-12-02 13:19:32,191 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2023-12-02 13:19:32,351 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:20:25,482 WARN L293 SmtUtils]: Spent 9.18s 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 13:20:34,891 WARN L293 SmtUtils]: Spent 9.07s 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 13:20:44,781 WARN L293 SmtUtils]: Spent 9.56s on a formula simplification. DAG size of input: 500 DAG size of output: 499 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:20:54,919 WARN L293 SmtUtils]: Spent 9.77s on a formula simplification. DAG size of input: 498 DAG size of output: 497 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:21:04,752 WARN L293 SmtUtils]: Spent 9.43s on a formula simplification. DAG size of input: 502 DAG size of output: 501 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:21:14,556 WARN L293 SmtUtils]: Spent 9.38s on a formula simplification. DAG size of input: 500 DAG size of output: 499 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:21:35,351 WARN L293 SmtUtils]: Spent 20.28s on a formula simplification. DAG size of input: 510 DAG size of output: 499 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:21:55,931 WARN L293 SmtUtils]: Spent 20.00s on a formula simplification. DAG size of input: 508 DAG size of output: 497 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:22:16,329 WARN L293 SmtUtils]: Spent 19.83s on a formula simplification. DAG size of input: 512 DAG size of output: 501 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)