./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product12.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_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/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_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/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_7623c70a-cb8e-42d3-ae28-be6c314f1002/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 2f43e7267ed715243a41104ad5703ed473575064952f167333067630dfd5e9da --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 08:33:38,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 08:33:38,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 08:33:38,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 08:33:38,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 08:33:38,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 08:33:38,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 08:33:38,391 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 08:33:38,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 08:33:38,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 08:33:38,392 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 08:33:38,393 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 08:33:38,394 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 08:33:38,394 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 08:33:38,395 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 08:33:38,395 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 08:33:38,396 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 08:33:38,396 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 08:33:38,397 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 08:33:38,397 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 08:33:38,398 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 08:33:38,399 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 08:33:38,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 08:33:38,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 08:33:38,401 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 08:33:38,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 08:33:38,402 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 08:33:38,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 08:33:38,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 08:33:38,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 08:33:38,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 08:33:38,404 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 08:33:38,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 08:33:38,404 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 08:33:38,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 08:33:38,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 08:33:38,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 08:33:38,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:33:38,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 08:33:38,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 08:33:38,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 08:33:38,406 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 08:33:38,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 08:33:38,407 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 08:33:38,407 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 08:33:38,407 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 08:33:38,407 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 08:33:38,407 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_7623c70a-cb8e-42d3-ae28-be6c314f1002/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f43e7267ed715243a41104ad5703ed473575064952f167333067630dfd5e9da [2023-12-02 08:33:38,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 08:33:38,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 08:33:38,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 08:33:38,684 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 08:33:38,685 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 08:33:38,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/product-lines/email_spec1_product12.cil.c [2023-12-02 08:33:41,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 08:33:42,011 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 08:33:42,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/sv-benchmarks/c/product-lines/email_spec1_product12.cil.c [2023-12-02 08:33:42,032 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/data/8b74c7ad4/87b434f2c58340c88ac781b3d79e948c/FLAG7e1225fc0 [2023-12-02 08:33:42,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/data/8b74c7ad4/87b434f2c58340c88ac781b3d79e948c [2023-12-02 08:33:42,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 08:33:42,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 08:33:42,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 08:33:42,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 08:33:42,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 08:33:42,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:33:42" (1/1) ... [2023-12-02 08:33:42,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38fa5599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42, skipping insertion in model container [2023-12-02 08:33:42,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:33:42" (1/1) ... [2023-12-02 08:33:42,146 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 08:33:42,653 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_7623c70a-cb8e-42d3-ae28-be6c314f1002/sv-benchmarks/c/product-lines/email_spec1_product12.cil.c[58861,58874] [2023-12-02 08:33:42,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:33:42,688 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 08:33:42,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2023-12-02 08:33:42,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [269] [2023-12-02 08:33:42,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [318] [2023-12-02 08:33:42,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [598] [2023-12-02 08:33:42,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1671] [2023-12-02 08:33:42,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1906] [2023-12-02 08:33:42,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2312] [2023-12-02 08:33:42,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2329] [2023-12-02 08:33:42,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2695] [2023-12-02 08:33:42,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2704] [2023-12-02 08:33:42,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [2808] [2023-12-02 08:33:42,793 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_7623c70a-cb8e-42d3-ae28-be6c314f1002/sv-benchmarks/c/product-lines/email_spec1_product12.cil.c[58861,58874] [2023-12-02 08:33:42,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:33:42,824 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:33:42,831 INFO L206 MainTranslator]: Completed translation [2023-12-02 08:33:42,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42 WrapperNode [2023-12-02 08:33:42,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 08:33:42,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 08:33:42,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 08:33:42,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 08:33:42,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42" (1/1) ... [2023-12-02 08:33:42,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42" (1/1) ... [2023-12-02 08:33:42,919 INFO L138 Inliner]: procedures = 122, calls = 186, calls flagged for inlining = 50, calls inlined = 40, statements flattened = 841 [2023-12-02 08:33:42,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 08:33:42,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 08:33:42,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 08:33:42,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 08:33:42,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42" (1/1) ... [2023-12-02 08:33:42,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42" (1/1) ... [2023-12-02 08:33:42,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42" (1/1) ... [2023-12-02 08:33:42,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42" (1/1) ... [2023-12-02 08:33:42,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42" (1/1) ... [2023-12-02 08:33:42,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42" (1/1) ... [2023-12-02 08:33:42,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42" (1/1) ... [2023-12-02 08:33:42,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42" (1/1) ... [2023-12-02 08:33:42,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 08:33:42,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 08:33:42,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 08:33:42,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 08:33:42,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42" (1/1) ... [2023-12-02 08:33:42,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:33:43,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:33:43,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 08:33:43,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 08:33:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-02 08:33:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-02 08:33:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-02 08:33:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-02 08:33:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-02 08:33:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-02 08:33:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-02 08:33:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-02 08:33:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-02 08:33:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-02 08:33:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-02 08:33:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-02 08:33:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-02 08:33:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-02 08:33:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-12-02 08:33:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-02 08:33:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-02 08:33:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 08:33:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-02 08:33:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-02 08:33:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-02 08:33:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-02 08:33:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-02 08:33:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-02 08:33:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-02 08:33:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-02 08:33:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-02 08:33:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-02 08:33:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-02 08:33:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-02 08:33:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 08:33:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-02 08:33:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-02 08:33:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 08:33:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 08:33:43,256 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 08:33:43,258 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 08:33:43,935 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 08:33:44,306 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 08:33:44,306 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 08:33:44,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:33:44 BoogieIcfgContainer [2023-12-02 08:33:44,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 08:33:44,310 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 08:33:44,311 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 08:33:44,313 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 08:33:44,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:33:42" (1/3) ... [2023-12-02 08:33:44,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261e4106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:33:44, skipping insertion in model container [2023-12-02 08:33:44,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:42" (2/3) ... [2023-12-02 08:33:44,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261e4106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:33:44, skipping insertion in model container [2023-12-02 08:33:44,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:33:44" (3/3) ... [2023-12-02 08:33:44,316 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product12.cil.c [2023-12-02 08:33:44,333 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 08:33:44,333 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 08:33:44,383 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 08:33:44,390 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;@4eed27dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 08:33:44,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 08:33:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 84 states have (on average 1.3928571428571428) internal successors, (117), 88 states have internal predecessors, (117), 39 states have call successors, (39), 15 states have call predecessors, (39), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-12-02 08:33:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 08:33:44,411 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:33:44,412 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:33:44,413 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:33:44,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:33:44,419 INFO L85 PathProgramCache]: Analyzing trace with hash 438754251, now seen corresponding path program 1 times [2023-12-02 08:33:44,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:33:44,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678448471] [2023-12-02 08:33:44,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:33:44,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:33:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:33:44,764 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 08:33:44,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:33:44,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678448471] [2023-12-02 08:33:44,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678448471] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:33:44,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:33:44,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 08:33:44,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385585920] [2023-12-02 08:33:44,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:33:44,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 08:33:44,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:33:44,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 08:33:44,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 08:33:44,810 INFO L87 Difference]: Start difference. First operand has 140 states, 84 states have (on average 1.3928571428571428) internal successors, (117), 88 states have internal predecessors, (117), 39 states have call successors, (39), 15 states have call predecessors, (39), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 08:33:44,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:33:44,917 INFO L93 Difference]: Finished difference Result 197 states and 268 transitions. [2023-12-02 08:33:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 08:33:44,919 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-12-02 08:33:44,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:33:44,931 INFO L225 Difference]: With dead ends: 197 [2023-12-02 08:33:44,931 INFO L226 Difference]: Without dead ends: 137 [2023-12-02 08:33:44,936 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 08:33:44,940 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 08:33:44,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 08:33:44,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-12-02 08:33:44,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2023-12-02 08:33:44,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 82 states have (on average 1.353658536585366) internal successors, (111), 85 states have internal predecessors, (111), 39 states have call successors, (39), 15 states have call predecessors, (39), 15 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 08:33:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 188 transitions. [2023-12-02 08:33:45,000 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 188 transitions. Word has length 53 [2023-12-02 08:33:45,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:33:45,002 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 188 transitions. [2023-12-02 08:33:45,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 08:33:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 188 transitions. [2023-12-02 08:33:45,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 08:33:45,006 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:33:45,007 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:33:45,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 08:33:45,007 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:33:45,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:33:45,008 INFO L85 PathProgramCache]: Analyzing trace with hash -688724210, now seen corresponding path program 1 times [2023-12-02 08:33:45,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:33:45,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351159762] [2023-12-02 08:33:45,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:33:45,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:33:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:33:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 08:33:45,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:33:45,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351159762] [2023-12-02 08:33:45,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351159762] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:33:45,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:33:45,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:33:45,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520284993] [2023-12-02 08:33:45,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:33:45,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:33:45,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:33:45,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:33:45,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:33:45,206 INFO L87 Difference]: Start difference. First operand 137 states and 188 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 08:33:45,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:33:45,297 INFO L93 Difference]: Finished difference Result 193 states and 256 transitions. [2023-12-02 08:33:45,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:33:45,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 54 [2023-12-02 08:33:45,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:33:45,301 INFO L225 Difference]: With dead ends: 193 [2023-12-02 08:33:45,301 INFO L226 Difference]: Without dead ends: 139 [2023-12-02 08:33:45,303 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 08:33:45,304 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 08:33:45,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 329 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 08:33:45,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-12-02 08:33:45,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2023-12-02 08:33:45,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 87 states have internal predecessors, (113), 39 states have call successors, (39), 15 states have call predecessors, (39), 15 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 08:33:45,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 190 transitions. [2023-12-02 08:33:45,325 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 190 transitions. Word has length 54 [2023-12-02 08:33:45,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:33:45,325 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 190 transitions. [2023-12-02 08:33:45,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 08:33:45,326 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 190 transitions. [2023-12-02 08:33:45,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 08:33:45,330 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:33:45,330 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] [2023-12-02 08:33:45,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 08:33:45,331 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:33:45,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:33:45,331 INFO L85 PathProgramCache]: Analyzing trace with hash -2141429229, now seen corresponding path program 1 times [2023-12-02 08:33:45,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:33:45,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470523080] [2023-12-02 08:33:45,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:33:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:33:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:33:45,442 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 08:33:45,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:33:45,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470523080] [2023-12-02 08:33:45,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470523080] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:33:45,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:33:45,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:33:45,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197303880] [2023-12-02 08:33:45,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:33:45,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:33:45,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:33:45,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:33:45,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:33:45,446 INFO L87 Difference]: Start difference. First operand 139 states and 190 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 08:33:45,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:33:45,541 INFO L93 Difference]: Finished difference Result 308 states and 439 transitions. [2023-12-02 08:33:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:33:45,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2023-12-02 08:33:45,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:33:45,547 INFO L225 Difference]: With dead ends: 308 [2023-12-02 08:33:45,547 INFO L226 Difference]: Without dead ends: 187 [2023-12-02 08:33:45,549 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 08:33:45,550 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 57 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 08:33:45,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 343 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 08:33:45,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-12-02 08:33:45,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 182. [2023-12-02 08:33:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 116 states have (on average 1.4310344827586208) internal successors, (166), 119 states have internal predecessors, (166), 50 states have call successors, (50), 15 states have call predecessors, (50), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-02 08:33:45,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 265 transitions. [2023-12-02 08:33:45,576 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 265 transitions. Word has length 59 [2023-12-02 08:33:45,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:33:45,576 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 265 transitions. [2023-12-02 08:33:45,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 08:33:45,577 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 265 transitions. [2023-12-02 08:33:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 08:33:45,581 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:33:45,581 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] [2023-12-02 08:33:45,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 08:33:45,581 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:33:45,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:33:45,582 INFO L85 PathProgramCache]: Analyzing trace with hash -733934818, now seen corresponding path program 1 times [2023-12-02 08:33:45,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:33:45,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435773170] [2023-12-02 08:33:45,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:33:45,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:33:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:33:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 08:33:45,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:33:45,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435773170] [2023-12-02 08:33:45,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435773170] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 08:33:45,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354679213] [2023-12-02 08:33:45,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:33:45,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:33:45,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:33:45,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:33:45,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 08:33:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:33:46,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 08:33:46,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:33:46,174 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 08:33:46,174 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:33:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 08:33:46,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354679213] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:33:46,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1687385847] [2023-12-02 08:33:46,276 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2023-12-02 08:33:46,276 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 08:33:46,280 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 08:33:46,286 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 08:33:46,287 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 08:34:33,681 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 238 for LOIs [2023-12-02 08:34:33,917 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 231 for LOIs [2023-12-02 08:34:34,114 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 08:35:33,503 WARN L293 SmtUtils]: Spent 9.61s on a formula simplification. DAG size of input: 482 DAG size of output: 482 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:35:43,691 WARN L293 SmtUtils]: Spent 9.84s on a formula simplification. DAG size of input: 483 DAG size of output: 482 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:35:55,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1687385847] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:35:55,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 08:35:55,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [4, 4, 4] total 29 [2023-12-02 08:35:55,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307011962] [2023-12-02 08:35:55,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:35:55,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-02 08:35:55,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:35:55,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-02 08:35:55,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2023-12-02 08:35:55,246 INFO L87 Difference]: Start difference. First operand 182 states and 265 transitions. Second operand has 24 states, 16 states have (on average 2.0) internal successors, (32), 15 states have internal predecessors, (32), 7 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) [2023-12-02 08:36:09,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:36:09,022 INFO L93 Difference]: Finished difference Result 409 states and 626 transitions. [2023-12-02 08:36:09,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 08:36:09,024 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 16 states have (on average 2.0) internal successors, (32), 15 states have internal predecessors, (32), 7 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) Word has length 60 [2023-12-02 08:36:09,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:36:09,027 INFO L225 Difference]: With dead ends: 409 [2023-12-02 08:36:09,027 INFO L226 Difference]: Without dead ends: 245 [2023-12-02 08:36:09,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 84.6s TimeCoverageRelationStatistics Valid=91, Invalid=779, Unknown=0, NotChecked=0, Total=870 [2023-12-02 08:36:09,030 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 84 mSDsluCounter, 1894 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 2071 SdHoareTripleChecker+Invalid, 2073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-12-02 08:36:09,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 2071 Invalid, 2073 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2063 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2023-12-02 08:36:09,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-12-02 08:36:09,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 205. [2023-12-02 08:36:09,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 138 states have (on average 1.4420289855072463) internal successors, (199), 141 states have internal predecessors, (199), 50 states have call successors, (50), 16 states have call predecessors, (50), 16 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-02 08:36:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 298 transitions. [2023-12-02 08:36:09,104 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 298 transitions. Word has length 60 [2023-12-02 08:36:09,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:36:09,105 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 298 transitions. [2023-12-02 08:36:09,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 16 states have (on average 2.0) internal successors, (32), 15 states have internal predecessors, (32), 7 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) [2023-12-02 08:36:09,106 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 298 transitions. [2023-12-02 08:36:09,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 08:36:09,108 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:36:09,108 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:36:09,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 08:36:09,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:36:09,311 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:36:09,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:36:09,311 INFO L85 PathProgramCache]: Analyzing trace with hash -2055073305, now seen corresponding path program 1 times [2023-12-02 08:36:09,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:36:09,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558651842] [2023-12-02 08:36:09,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:36:09,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:36:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:36:09,402 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 08:36:09,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:36:09,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558651842] [2023-12-02 08:36:09,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558651842] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:36:09,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:36:09,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:36:09,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815956715] [2023-12-02 08:36:09,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:36:09,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:36:09,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:36:09,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:36:09,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:36:09,405 INFO L87 Difference]: Start difference. First operand 205 states and 298 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 08:36:09,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:36:09,566 INFO L93 Difference]: Finished difference Result 503 states and 760 transitions. [2023-12-02 08:36:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:36:09,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 65 [2023-12-02 08:36:09,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:36:09,570 INFO L225 Difference]: With dead ends: 503 [2023-12-02 08:36:09,570 INFO L226 Difference]: Without dead ends: 322 [2023-12-02 08:36:09,571 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 08:36:09,572 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 55 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 08:36:09,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 338 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 08:36:09,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2023-12-02 08:36:09,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 317. [2023-12-02 08:36:09,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 225 states have (on average 1.488888888888889) internal successors, (335), 228 states have internal predecessors, (335), 75 states have call successors, (75), 16 states have call predecessors, (75), 16 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2023-12-02 08:36:09,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 484 transitions. [2023-12-02 08:36:09,675 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 484 transitions. Word has length 65 [2023-12-02 08:36:09,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:36:09,675 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 484 transitions. [2023-12-02 08:36:09,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 08:36:09,676 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 484 transitions. [2023-12-02 08:36:09,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 08:36:09,678 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:36:09,678 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:36:09,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 08:36:09,678 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:36:09,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:36:09,679 INFO L85 PathProgramCache]: Analyzing trace with hash -116531211, now seen corresponding path program 1 times [2023-12-02 08:36:09,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:36:09,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870756995] [2023-12-02 08:36:09,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:36:09,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:36:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:36:09,803 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 08:36:09,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:36:09,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870756995] [2023-12-02 08:36:09,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870756995] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 08:36:09,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131157692] [2023-12-02 08:36:09,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:36:09,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:36:09,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:36:09,805 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:36:09,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 08:36:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:36:10,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 08:36:10,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:36:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 08:36:10,059 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:36:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 08:36:10,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131157692] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:36:10,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1752454250] [2023-12-02 08:36:10,107 INFO L159 IcfgInterpreter]: Started Sifa with 53 locations of interest [2023-12-02 08:36:10,107 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 08:36:10,108 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 08:36:10,108 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 08:36:10,108 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 08:37:13,167 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 238 for LOIs [2023-12-02 08:37:13,443 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 459 for LOIs [2023-12-02 08:37:15,925 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 08:37:37,759 WARN L293 SmtUtils]: Spent 6.32s on a formula simplification. DAG size of input: 459 DAG size of output: 459 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:37:48,232 WARN L293 SmtUtils]: Spent 10.31s on a formula simplification. DAG size of input: 489 DAG size of output: 484 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:38:29,586 WARN L293 SmtUtils]: Spent 9.55s on a formula simplification. DAG size of input: 486 DAG size of output: 486 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:38:39,524 WARN L293 SmtUtils]: Spent 9.56s on a formula simplification. DAG size of input: 487 DAG size of output: 486 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:39:06,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1752454250] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:39:06,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 08:39:06,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2023-12-02 08:39:06,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834331512] [2023-12-02 08:39:06,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:39:06,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-02 08:39:06,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:39:06,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-02 08:39:06,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=941, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 08:39:06,385 INFO L87 Difference]: Start difference. First operand 317 states and 484 transitions. Second operand has 28 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 8 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2023-12-02 08:39:23,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:39:23,158 INFO L93 Difference]: Finished difference Result 650 states and 1021 transitions. [2023-12-02 08:39:23,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 08:39:23,159 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 8 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) Word has length 66 [2023-12-02 08:39:23,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:39:23,162 INFO L225 Difference]: With dead ends: 650 [2023-12-02 08:39:23,162 INFO L226 Difference]: Without dead ends: 396 [2023-12-02 08:39:23,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 113.8s TimeCoverageRelationStatistics Valid=120, Invalid=1002, Unknown=0, NotChecked=0, Total=1122 [2023-12-02 08:39:23,164 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 73 mSDsluCounter, 1903 mSDsCounter, 0 mSdLazyCounter, 2351 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 2360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2023-12-02 08:39:23,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 2053 Invalid, 2360 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2351 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2023-12-02 08:39:23,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-12-02 08:39:23,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 331. [2023-12-02 08:39:23,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 237 states have (on average 1.4852320675105486) internal successors, (352), 240 states have internal predecessors, (352), 76 states have call successors, (76), 17 states have call predecessors, (76), 17 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-12-02 08:39:23,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 503 transitions. [2023-12-02 08:39:23,268 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 503 transitions. Word has length 66 [2023-12-02 08:39:23,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:39:23,268 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 503 transitions. [2023-12-02 08:39:23,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 8 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2023-12-02 08:39:23,269 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 503 transitions. [2023-12-02 08:39:23,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 08:39:23,270 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:39:23,271 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:39:23,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 08:39:23,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-12-02 08:39:23,471 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:39:23,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:39:23,472 INFO L85 PathProgramCache]: Analyzing trace with hash 715456489, now seen corresponding path program 1 times [2023-12-02 08:39:23,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:39:23,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591556152] [2023-12-02 08:39:23,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:39:23,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:39:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:39:23,630 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 08:39:23,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:39:23,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591556152] [2023-12-02 08:39:23,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591556152] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 08:39:23,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985097375] [2023-12-02 08:39:23,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:39:23,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:39:23,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:39:23,633 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:39:23,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 08:39:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:39:23,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 08:39:23,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:39:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 08:39:23,931 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:39:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 08:39:23,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985097375] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:39:23,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1503566374] [2023-12-02 08:39:23,983 INFO L159 IcfgInterpreter]: Started Sifa with 58 locations of interest [2023-12-02 08:39:23,984 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 08:39:23,984 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 08:39:23,984 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 08:39:23,985 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 08:40:53,218 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 238 for LOIs [2023-12-02 08:40:53,442 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 518 for LOIs [2023-12-02 08:40:55,113 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 450 for LOIs [2023-12-02 08:40:55,839 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 231 for LOIs [2023-12-02 08:40:56,011 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 593 for LOIs [2023-12-02 08:41:00,341 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 08:41:54,337 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification. DAG size of input: 559 DAG size of output: 554 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:42:05,108 WARN L293 SmtUtils]: Spent 10.39s on a formula simplification. DAG size of input: 560 DAG size of output: 554 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:42:31,666 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification. DAG size of input: 605 DAG size of output: 597 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:42:40,186 WARN L293 SmtUtils]: Spent 7.94s on a formula simplification. DAG size of input: 593 DAG size of output: 585 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:42:48,833 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification. DAG size of input: 599 DAG size of output: 591 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:43:05,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1503566374] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:43:05,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 08:43:05,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2023-12-02 08:43:05,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136375161] [2023-12-02 08:43:05,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:43:05,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-12-02 08:43:05,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:43:05,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-12-02 08:43:05,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1291, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 08:43:05,225 INFO L87 Difference]: Start difference. First operand 331 states and 503 transitions. Second operand has 33 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 10 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (13), 10 states have call predecessors, (13), 10 states have call successors, (13) [2023-12-02 08:43:27,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:43:27,260 INFO L93 Difference]: Finished difference Result 675 states and 1056 transitions. [2023-12-02 08:43:27,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 08:43:27,261 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 10 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (13), 10 states have call predecessors, (13), 10 states have call successors, (13) Word has length 69 [2023-12-02 08:43:27,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:43:27,264 INFO L225 Difference]: With dead ends: 675 [2023-12-02 08:43:27,264 INFO L226 Difference]: Without dead ends: 421 [2023-12-02 08:43:27,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 128.1s TimeCoverageRelationStatistics Valid=120, Invalid=1362, Unknown=0, NotChecked=0, Total=1482 [2023-12-02 08:43:27,265 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 87 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 2930 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2400 SdHoareTripleChecker+Invalid, 2940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2023-12-02 08:43:27,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2400 Invalid, 2940 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2930 Invalid, 0 Unknown, 0 Unchecked, 18.5s Time] [2023-12-02 08:43:27,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2023-12-02 08:43:27,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 367. [2023-12-02 08:43:27,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 267 states have (on average 1.4756554307116105) internal successors, (394), 270 states have internal predecessors, (394), 79 states have call successors, (79), 20 states have call predecessors, (79), 20 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-12-02 08:43:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 551 transitions. [2023-12-02 08:43:27,417 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 551 transitions. Word has length 69 [2023-12-02 08:43:27,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:43:27,418 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 551 transitions. [2023-12-02 08:43:27,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 10 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (13), 10 states have call predecessors, (13), 10 states have call successors, (13) [2023-12-02 08:43:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 551 transitions. [2023-12-02 08:43:27,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 08:43:27,421 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:43:27,421 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:43:27,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-02 08:43:27,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:43:27,629 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:43:27,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:43:27,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1756357791, now seen corresponding path program 1 times [2023-12-02 08:43:27,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:43:27,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887647786] [2023-12-02 08:43:27,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:43:27,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:43:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:43:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 08:43:27,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:43:27,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887647786] [2023-12-02 08:43:27,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887647786] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 08:43:27,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640138118] [2023-12-02 08:43:27,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:43:27,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:43:27,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:43:27,734 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:43:27,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7623c70a-cb8e-42d3-ae28-be6c314f1002/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 08:43:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:43:27,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 08:43:27,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:43:28,013 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 08:43:28,014 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:43:28,061 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 08:43:28,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640138118] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:43:28,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [332582335] [2023-12-02 08:43:28,065 INFO L159 IcfgInterpreter]: Started Sifa with 57 locations of interest [2023-12-02 08:43:28,065 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 08:43:28,066 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 08:43:28,066 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 08:43:28,066 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 08:44:55,197 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 238 for LOIs [2023-12-02 08:44:55,423 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 231 for LOIs [2023-12-02 08:44:55,594 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 08:45:49,409 WARN L293 SmtUtils]: Spent 8.84s on a formula simplification. DAG size of input: 490 DAG size of output: 490 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:45:58,971 WARN L293 SmtUtils]: Spent 9.24s on a formula simplification. DAG size of input: 491 DAG size of output: 490 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:46:20,087 WARN L293 SmtUtils]: Spent 20.66s on a formula simplification. DAG size of input: 503 DAG size of output: 492 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:46:41,579 WARN L293 SmtUtils]: Spent 21.00s on a formula simplification. DAG size of input: 501 DAG size of output: 490 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:47:02,644 WARN L293 SmtUtils]: Spent 20.56s on a formula simplification. DAG size of input: 505 DAG size of output: 494 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:47:23,892 WARN L293 SmtUtils]: Spent 20.72s on a formula simplification. DAG size of input: 503 DAG size of output: 492 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:47:44,544 WARN L293 SmtUtils]: Spent 20.08s on a formula simplification. DAG size of input: 507 DAG size of output: 496 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:47:52,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [332582335] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:47:52,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 08:47:52,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [4, 4, 4] total 37 [2023-12-02 08:47:52,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481214918] [2023-12-02 08:47:52,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:47:52,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-02 08:47:52,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:47:52,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-02 08:47:52,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1194, Unknown=0, NotChecked=0, Total=1332 [2023-12-02 08:47:52,699 INFO L87 Difference]: Start difference. First operand 367 states and 551 transitions. Second operand has 32 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 23 states have internal predecessors, (40), 7 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10)