./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product33.cil.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6dc52251d8599495e3d1910510992bf3863620ce75312360a12a1bf3bdfb6242
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-09 04:46:06,773 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-09 04:46:06,854 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf
[2024-11-09 04:46:06,861 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-09 04:46:06,862 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-09 04:46:06,884 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-09 04:46:06,885 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-09 04:46:06,885 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-09 04:46:06,886 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-09 04:46:06,886 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-09 04:46:06,887 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2024-11-09 04:46:06,887 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-09 04:46:06,887 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2024-11-09 04:46:06,888 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2024-11-09 04:46:06,888 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2024-11-09 04:46:06,889 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2024-11-09 04:46:06,889 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2024-11-09 04:46:06,890 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2024-11-09 04:46:06,890 INFO  L153        SettingsManager]:  * Interval Domain=false
[2024-11-09 04:46:06,890 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2024-11-09 04:46:06,891 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2024-11-09 04:46:06,891 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2024-11-09 04:46:06,892 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-09 04:46:06,893 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-09 04:46:06,893 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-09 04:46:06,893 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-09 04:46:06,893 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-09 04:46:06,894 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-09 04:46:06,894 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-09 04:46:06,894 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-09 04:46:06,895 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-09 04:46:06,895 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-09 04:46:06,895 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-09 04:46:06,900 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-09 04:46:06,900 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-09 04:46:06,900 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-09 04:46:06,900 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-09 04:46:06,901 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-09 04:46:06,901 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 04:46:06,901 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-09 04:46:06,902 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-09 04:46:06,904 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-09 04:46:06,904 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2024-11-09 04:46:06,905 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-09 04:46:06,905 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-09 04:46:06,905 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2024-11-09 04:46:06,906 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-09 04:46:06,906 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_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dc52251d8599495e3d1910510992bf3863620ce75312360a12a1bf3bdfb6242
[2024-11-09 04:46:07,191 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-09 04:46:07,222 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-09 04:46:07,225 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-09 04:46:07,226 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-09 04:46:07,228 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-09 04:46:07,229 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec9_product33.cil.c
Unable to find full path for "g++"
[2024-11-09 04:46:09,334 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-09 04:46:09,627 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-09 04:46:09,627 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/sv-benchmarks/c/product-lines/email_spec9_product33.cil.c
[2024-11-09 04:46:09,649 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/data/99b51d39d/a82c8d5ef8d44234be5bf89ed2205901/FLAG167867a17
[2024-11-09 04:46:09,666 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/data/99b51d39d/a82c8d5ef8d44234be5bf89ed2205901
[2024-11-09 04:46:09,670 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-09 04:46:09,673 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-09 04:46:09,674 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-09 04:46:09,675 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-09 04:46:09,680 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-09 04:46:09,681 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:09" (1/1) ...
[2024-11-09 04:46:09,682 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75fb7941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:09, skipping insertion in model container
[2024-11-09 04:46:09,682 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:09" (1/1) ...
[2024-11-09 04:46:09,765 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-09 04:46:10,327 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/sv-benchmarks/c/product-lines/email_spec9_product33.cil.c[33566,33579]
[2024-11-09 04:46:10,464 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 04:46:10,481 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-09 04:46:10,490 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48]
[2024-11-09 04:46:10,491 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [208]
[2024-11-09 04:46:10,492 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [523]
[2024-11-09 04:46:10,492 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [742]
[2024-11-09 04:46:10,492 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [785]
[2024-11-09 04:46:10,493 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1187]
[2024-11-09 04:46:10,493 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1553]
[2024-11-09 04:46:10,493 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1562]
[2024-11-09 04:46:10,493 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1579]
[2024-11-09 04:46:10,494 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1974]
[2024-11-09 04:46:10,494 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3039]
[2024-11-09 04:46:10,556 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/sv-benchmarks/c/product-lines/email_spec9_product33.cil.c[33566,33579]
[2024-11-09 04:46:10,605 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 04:46:10,681 INFO  L204         MainTranslator]: Completed translation
[2024-11-09 04:46:10,682 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10 WrapperNode
[2024-11-09 04:46:10,682 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-09 04:46:10,683 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-09 04:46:10,683 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-09 04:46:10,683 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-09 04:46:10,691 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ...
[2024-11-09 04:46:10,721 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ...
[2024-11-09 04:46:10,797 INFO  L138                Inliner]: procedures = 135, calls = 215, calls flagged for inlining = 66, calls inlined = 61, statements flattened = 1092
[2024-11-09 04:46:10,798 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-09 04:46:10,798 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-09 04:46:10,799 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-09 04:46:10,799 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-09 04:46:10,818 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ...
[2024-11-09 04:46:10,818 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ...
[2024-11-09 04:46:10,831 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ...
[2024-11-09 04:46:10,831 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ...
[2024-11-09 04:46:10,867 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ...
[2024-11-09 04:46:10,886 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ...
[2024-11-09 04:46:10,894 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ...
[2024-11-09 04:46:10,903 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ...
[2024-11-09 04:46:10,917 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-09 04:46:10,917 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-09 04:46:10,921 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-09 04:46:10,922 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-09 04:46:10,923 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ...
[2024-11-09 04:46:10,936 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 04:46:10,959 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 04:46:10,976 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-09 04:46:10,989 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-09 04:46:11,011 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientPrivateKey
[2024-11-09 04:46:11,011 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientPrivateKey
[2024-11-09 04:46:11,011 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey
[2024-11-09 04:46:11,011 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey
[2024-11-09 04:46:11,012 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey
[2024-11-09 04:46:11,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey
[2024-11-09 04:46:11,012 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailTo
[2024-11-09 04:46:11,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailTo
[2024-11-09 04:46:11,012 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailFrom
[2024-11-09 04:46:11,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailFrom
[2024-11-09 04:46:11,013 INFO  L130     BoogieDeclarations]: Found specification of procedure isReadable
[2024-11-09 04:46:11,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure isReadable
[2024-11-09 04:46:11,013 INFO  L130     BoogieDeclarations]: Found specification of procedure createClientKeyringEntry
[2024-11-09 04:46:11,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry
[2024-11-09 04:46:11,013 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted
[2024-11-09 04:46:11,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted
[2024-11-09 04:46:11,013 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailSignKey
[2024-11-09 04:46:11,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailSignKey
[2024-11-09 04:46:11,014 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckKeyAdd
[2024-11-09 04:46:11,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckKeyAdd
[2024-11-09 04:46:11,014 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailFrom
[2024-11-09 04:46:11,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailFrom
[2024-11-09 04:46:11,014 INFO  L130     BoogieDeclarations]: Found specification of procedure queue
[2024-11-09 04:46:11,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure queue
[2024-11-09 04:46:11,014 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientId
[2024-11-09 04:46:11,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientId
[2024-11-09 04:46:11,015 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-09 04:46:11,015 INFO  L130     BoogieDeclarations]: Found specification of procedure isSigned
[2024-11-09 04:46:11,015 INFO  L138     BoogieDeclarations]: Found implementation of procedure isSigned
[2024-11-09 04:46:11,015 INFO  L130     BoogieDeclarations]: Found specification of procedure isKeyPairValid
[2024-11-09 04:46:11,015 INFO  L138     BoogieDeclarations]: Found implementation of procedure isKeyPairValid
[2024-11-09 04:46:11,015 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringUser
[2024-11-09 04:46:11,015 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringUser
[2024-11-09 04:46:11,015 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey
[2024-11-09 04:46:11,015 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey
[2024-11-09 04:46:11,016 INFO  L130     BoogieDeclarations]: Found specification of procedure outgoing
[2024-11-09 04:46:11,016 INFO  L138     BoogieDeclarations]: Found implementation of procedure outgoing
[2024-11-09 04:46:11,016 INFO  L130     BoogieDeclarations]: Found specification of procedure findPublicKey
[2024-11-09 04:46:11,016 INFO  L138     BoogieDeclarations]: Found implementation of procedure findPublicKey
[2024-11-09 04:46:11,016 INFO  L130     BoogieDeclarations]: Found specification of procedure sendEmail
[2024-11-09 04:46:11,016 INFO  L138     BoogieDeclarations]: Found implementation of procedure sendEmail
[2024-11-09 04:46:11,016 INFO  L130     BoogieDeclarations]: Found specification of procedure isEncrypted
[2024-11-09 04:46:11,017 INFO  L138     BoogieDeclarations]: Found implementation of procedure isEncrypted
[2024-11-09 04:46:11,017 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientPrivateKey
[2024-11-09 04:46:11,017 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientPrivateKey
[2024-11-09 04:46:11,017 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailTo
[2024-11-09 04:46:11,018 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailTo
[2024-11-09 04:46:11,018 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-09 04:46:11,018 INFO  L130     BoogieDeclarations]: Found specification of procedure generateKeyPair
[2024-11-09 04:46:11,018 INFO  L138     BoogieDeclarations]: Found implementation of procedure generateKeyPair
[2024-11-09 04:46:11,018 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-09 04:46:11,018 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-09 04:46:11,257 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-09 04:46:11,259 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-09 04:46:12,473 INFO  L?                        ?]: Removed 503 outVars from TransFormulas that were not future-live.
[2024-11-09 04:46:12,476 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-09 04:46:13,207 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-09 04:46:13,207 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-09 04:46:13,208 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:13 BoogieIcfgContainer
[2024-11-09 04:46:13,208 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-09 04:46:13,213 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-09 04:46:13,213 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-09 04:46:13,216 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-09 04:46:13,217 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:46:09" (1/3) ...
[2024-11-09 04:46:13,217 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da2a922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:13, skipping insertion in model container
[2024-11-09 04:46:13,218 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (2/3) ...
[2024-11-09 04:46:13,219 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da2a922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:13, skipping insertion in model container
[2024-11-09 04:46:13,219 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:13" (3/3) ...
[2024-11-09 04:46:13,221 INFO  L112   eAbstractionObserver]: Analyzing ICFG email_spec9_product33.cil.c
[2024-11-09 04:46:13,240 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-09 04:46:13,240 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-09 04:46:13,326 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-09 04:46:13,337 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1b3f24fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-09 04:46:13,338 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-09 04:46:13,344 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 212 states, 123 states have (on average 1.3089430894308942) internal successors, (161), 127 states have internal predecessors, (161), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63)
[2024-11-09 04:46:13,357 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-11-09 04:46:13,358 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 04:46:13,359 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 04:46:13,359 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 04:46:13,367 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 04:46:13,368 INFO  L85        PathProgramCache]: Analyzing trace with hash -510118452, now seen corresponding path program 1 times
[2024-11-09 04:46:13,378 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 04:46:13,379 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369963193]
[2024-11-09 04:46:13,379 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:46:13,380 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 04:46:13,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:46:13,833 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-11-09 04:46:13,834 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 04:46:13,834 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369963193]
[2024-11-09 04:46:13,835 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369963193] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 04:46:13,835 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 04:46:13,836 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 04:46:13,837 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161733634]
[2024-11-09 04:46:13,838 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 04:46:13,843 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-09 04:46:13,843 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 04:46:13,870 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-09 04:46:13,871 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-09 04:46:13,874 INFO  L87              Difference]: Start difference. First operand  has 212 states, 123 states have (on average 1.3089430894308942) internal successors, (161), 127 states have internal predecessors, (161), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-09 04:46:14,036 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 04:46:14,036 INFO  L93              Difference]: Finished difference Result 341 states and 452 transitions.
[2024-11-09 04:46:14,039 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-09 04:46:14,042 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 64
[2024-11-09 04:46:14,042 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 04:46:14,058 INFO  L225             Difference]: With dead ends: 341
[2024-11-09 04:46:14,059 INFO  L226             Difference]: Without dead ends: 209
[2024-11-09 04:46:14,065 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-09 04:46:14,070 INFO  L432           NwaCegarLoop]: 243 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 04:46:14,072 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 04:46:14,090 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2024-11-09 04:46:14,139 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209.
[2024-11-09 04:46:14,141 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 209 states, 121 states have (on average 1.28099173553719) internal successors, (155), 124 states have internal predecessors, (155), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62)
[2024-11-09 04:46:14,149 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 280 transitions.
[2024-11-09 04:46:14,151 INFO  L78                 Accepts]: Start accepts. Automaton has 209 states and 280 transitions. Word has length 64
[2024-11-09 04:46:14,154 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 04:46:14,155 INFO  L471      AbstractCegarLoop]: Abstraction has 209 states and 280 transitions.
[2024-11-09 04:46:14,155 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-09 04:46:14,156 INFO  L276                IsEmpty]: Start isEmpty. Operand 209 states and 280 transitions.
[2024-11-09 04:46:14,160 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-09 04:46:14,161 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 04:46:14,161 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 04:46:14,162 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-09 04:46:14,162 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 04:46:14,163 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 04:46:14,163 INFO  L85        PathProgramCache]: Analyzing trace with hash -811394074, now seen corresponding path program 1 times
[2024-11-09 04:46:14,164 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 04:46:14,164 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682505402]
[2024-11-09 04:46:14,164 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:46:14,164 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 04:46:14,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:46:14,507 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-11-09 04:46:14,507 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 04:46:14,508 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682505402]
[2024-11-09 04:46:14,509 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682505402] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 04:46:14,510 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 04:46:14,510 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 04:46:14,511 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199012216]
[2024-11-09 04:46:14,511 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 04:46:14,513 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 04:46:14,514 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 04:46:14,515 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 04:46:14,515 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 04:46:14,516 INFO  L87              Difference]: Start difference. First operand 209 states and 280 transitions. Second operand  has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-09 04:46:14,723 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 04:46:14,723 INFO  L93              Difference]: Finished difference Result 337 states and 440 transitions.
[2024-11-09 04:46:14,724 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 04:46:14,725 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 65
[2024-11-09 04:46:14,725 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 04:46:14,730 INFO  L225             Difference]: With dead ends: 337
[2024-11-09 04:46:14,730 INFO  L226             Difference]: Without dead ends: 211
[2024-11-09 04:46:14,732 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 04:46:14,734 INFO  L432           NwaCegarLoop]: 240 mSDtfsCounter, 0 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-09 04:46:14,735 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 479 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-09 04:46:14,736 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 211 states.
[2024-11-09 04:46:14,764 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211.
[2024-11-09 04:46:14,768 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 211 states, 123 states have (on average 1.2764227642276422) internal successors, (157), 126 states have internal predecessors, (157), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62)
[2024-11-09 04:46:14,770 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 282 transitions.
[2024-11-09 04:46:14,772 INFO  L78                 Accepts]: Start accepts. Automaton has 211 states and 282 transitions. Word has length 65
[2024-11-09 04:46:14,773 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 04:46:14,773 INFO  L471      AbstractCegarLoop]: Abstraction has 211 states and 282 transitions.
[2024-11-09 04:46:14,773 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-09 04:46:14,773 INFO  L276                IsEmpty]: Start isEmpty. Operand 211 states and 282 transitions.
[2024-11-09 04:46:14,778 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2024-11-09 04:46:14,778 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 04:46:14,778 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 04:46:14,778 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-09 04:46:14,779 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 04:46:14,780 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 04:46:14,780 INFO  L85        PathProgramCache]: Analyzing trace with hash 729138393, now seen corresponding path program 1 times
[2024-11-09 04:46:14,780 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 04:46:14,781 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090047772]
[2024-11-09 04:46:14,781 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:46:14,781 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 04:46:14,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:46:14,997 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-11-09 04:46:14,997 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 04:46:14,998 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090047772]
[2024-11-09 04:46:14,998 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090047772] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 04:46:14,998 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 04:46:14,998 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 04:46:14,998 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755010850]
[2024-11-09 04:46:14,999 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 04:46:14,999 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 04:46:14,999 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 04:46:15,000 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 04:46:15,000 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 04:46:15,000 INFO  L87              Difference]: Start difference. First operand 211 states and 282 transitions. Second operand  has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-09 04:46:15,172 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 04:46:15,172 INFO  L93              Difference]: Finished difference Result 452 states and 623 transitions.
[2024-11-09 04:46:15,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 04:46:15,173 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 70
[2024-11-09 04:46:15,173 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 04:46:15,179 INFO  L225             Difference]: With dead ends: 452
[2024-11-09 04:46:15,179 INFO  L226             Difference]: Without dead ends: 259
[2024-11-09 04:46:15,181 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 04:46:15,182 INFO  L432           NwaCegarLoop]: 255 mSDtfsCounter, 57 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 04:46:15,185 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 489 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 04:46:15,187 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 259 states.
[2024-11-09 04:46:15,221 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 254.
[2024-11-09 04:46:15,222 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 254 states, 155 states have (on average 1.3548387096774193) internal successors, (210), 158 states have internal predecessors, (210), 74 states have call successors, (74), 24 states have call predecessors, (74), 24 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73)
[2024-11-09 04:46:15,227 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 357 transitions.
[2024-11-09 04:46:15,228 INFO  L78                 Accepts]: Start accepts. Automaton has 254 states and 357 transitions. Word has length 70
[2024-11-09 04:46:15,228 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 04:46:15,228 INFO  L471      AbstractCegarLoop]: Abstraction has 254 states and 357 transitions.
[2024-11-09 04:46:15,229 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-09 04:46:15,230 INFO  L276                IsEmpty]: Start isEmpty. Operand 254 states and 357 transitions.
[2024-11-09 04:46:15,232 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2024-11-09 04:46:15,233 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 04:46:15,236 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 04:46:15,237 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-09 04:46:15,237 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 04:46:15,237 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 04:46:15,238 INFO  L85        PathProgramCache]: Analyzing trace with hash 1509492543, now seen corresponding path program 1 times
[2024-11-09 04:46:15,238 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 04:46:15,238 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982700216]
[2024-11-09 04:46:15,238 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:46:15,238 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 04:46:15,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:46:15,539 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-11-09 04:46:15,540 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 04:46:15,541 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982700216]
[2024-11-09 04:46:15,541 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982700216] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 04:46:15,542 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874775451]
[2024-11-09 04:46:15,542 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:46:15,542 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 04:46:15,543 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 04:46:15,544 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 04:46:15,550 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-09 04:46:15,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:46:15,981 INFO  L255         TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-09 04:46:15,990 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 04:46:16,132 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-11-09 04:46:16,161 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 04:46:16,301 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-11-09 04:46:16,301 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874775451] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 04:46:16,305 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [319568405]
[2024-11-09 04:46:16,331 INFO  L159        IcfgInterpreter]: Started Sifa with 60 locations of interest
[2024-11-09 04:46:16,332 INFO  L166        IcfgInterpreter]: Building call graph
[2024-11-09 04:46:16,336 INFO  L171        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2024-11-09 04:46:16,342 INFO  L176        IcfgInterpreter]: Starting interpretation
[2024-11-09 04:46:16,345 INFO  L197        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2024-11-09 04:46:51,491 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientId with input of size 237 for LOIs
[2024-11-09 04:46:51,777 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs
[2024-11-09 04:46:51,897 INFO  L180        IcfgInterpreter]: Interpretation finished
[2024-11-09 04:47:54,229 WARN  L286               SmtUtils]: Spent 10.64s on a formula simplification. DAG size of input: 468 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:48:07,007 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSifa [319568405] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 04:48:07,007 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences.
[2024-11-09 04:48:07,008 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28
[2024-11-09 04:48:07,008 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483630104]
[2024-11-09 04:48:07,008 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 04:48:07,009 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-11-09 04:48:07,009 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 04:48:07,010 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-11-09 04:48:07,010 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756
[2024-11-09 04:48:07,011 INFO  L87              Difference]: Start difference. First operand 254 states and 357 transitions. Second operand  has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13)
[2024-11-09 04:48:20,122 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 04:48:20,122 INFO  L93              Difference]: Finished difference Result 522 states and 750 transitions.
[2024-11-09 04:48:20,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2024-11-09 04:48:20,123 INFO  L78                 Accepts]: Start accepts. Automaton has  has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 71
[2024-11-09 04:48:20,123 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 04:48:20,126 INFO  L225             Difference]: With dead ends: 522
[2024-11-09 04:48:20,126 INFO  L226             Difference]: Without dead ends: 286
[2024-11-09 04:48:20,128 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 78.5s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812
[2024-11-09 04:48:20,129 INFO  L432           NwaCegarLoop]: 220 mSDtfsCounter, 25 mSDsluCounter, 3001 mSDsCounter, 0 mSdLazyCounter, 2119 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 2129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time
[2024-11-09 04:48:20,129 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3221 Invalid, 2129 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2119 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time]
[2024-11-09 04:48:20,130 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 286 states.
[2024-11-09 04:48:20,195 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 277.
[2024-11-09 04:48:20,196 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 277 states, 177 states have (on average 1.3728813559322033) internal successors, (243), 180 states have internal predecessors, (243), 74 states have call successors, (74), 25 states have call predecessors, (74), 25 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73)
[2024-11-09 04:48:20,199 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 390 transitions.
[2024-11-09 04:48:20,199 INFO  L78                 Accepts]: Start accepts. Automaton has 277 states and 390 transitions. Word has length 71
[2024-11-09 04:48:20,200 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 04:48:20,200 INFO  L471      AbstractCegarLoop]: Abstraction has 277 states and 390 transitions.
[2024-11-09 04:48:20,200 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13)
[2024-11-09 04:48:20,201 INFO  L276                IsEmpty]: Start isEmpty. Operand 277 states and 390 transitions.
[2024-11-09 04:48:20,203 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2024-11-09 04:48:20,203 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 04:48:20,203 INFO  L215           NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 04:48:20,221 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-09 04:48:20,404 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 04:48:20,404 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 04:48:20,404 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 04:48:20,405 INFO  L85        PathProgramCache]: Analyzing trace with hash 1994966599, now seen corresponding path program 1 times
[2024-11-09 04:48:20,405 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 04:48:20,405 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352309329]
[2024-11-09 04:48:20,405 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:48:20,405 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 04:48:20,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:48:20,531 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2024-11-09 04:48:20,531 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 04:48:20,532 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352309329]
[2024-11-09 04:48:20,534 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352309329] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 04:48:20,534 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 04:48:20,534 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 04:48:20,534 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218805756]
[2024-11-09 04:48:20,535 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 04:48:20,535 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 04:48:20,535 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 04:48:20,536 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 04:48:20,536 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 04:48:20,537 INFO  L87              Difference]: Start difference. First operand 277 states and 390 transitions. Second operand  has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-09 04:48:20,740 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 04:48:20,742 INFO  L93              Difference]: Finished difference Result 647 states and 944 transitions.
[2024-11-09 04:48:20,743 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 04:48:20,743 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 76
[2024-11-09 04:48:20,743 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 04:48:20,747 INFO  L225             Difference]: With dead ends: 647
[2024-11-09 04:48:20,748 INFO  L226             Difference]: Without dead ends: 394
[2024-11-09 04:48:20,749 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 04:48:20,750 INFO  L432           NwaCegarLoop]: 251 mSDtfsCounter, 55 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 04:48:20,750 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 491 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 04:48:20,752 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 394 states.
[2024-11-09 04:48:20,866 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 389.
[2024-11-09 04:48:20,867 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 389 states, 264 states have (on average 1.4356060606060606) internal successors, (379), 267 states have internal predecessors, (379), 99 states have call successors, (99), 25 states have call predecessors, (99), 25 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98)
[2024-11-09 04:48:20,870 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 576 transitions.
[2024-11-09 04:48:20,871 INFO  L78                 Accepts]: Start accepts. Automaton has 389 states and 576 transitions. Word has length 76
[2024-11-09 04:48:20,872 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 04:48:20,872 INFO  L471      AbstractCegarLoop]: Abstraction has 389 states and 576 transitions.
[2024-11-09 04:48:20,872 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-09 04:48:20,872 INFO  L276                IsEmpty]: Start isEmpty. Operand 389 states and 576 transitions.
[2024-11-09 04:48:20,874 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2024-11-09 04:48:20,875 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 04:48:20,875 INFO  L215           NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 04:48:20,875 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-09 04:48:20,875 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 04:48:20,876 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 04:48:20,876 INFO  L85        PathProgramCache]: Analyzing trace with hash -1956285686, now seen corresponding path program 1 times
[2024-11-09 04:48:20,876 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 04:48:20,876 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297420602]
[2024-11-09 04:48:20,876 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:48:20,877 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 04:48:20,917 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:48:21,036 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2024-11-09 04:48:21,036 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 04:48:21,036 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297420602]
[2024-11-09 04:48:21,037 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297420602] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 04:48:21,037 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168867480]
[2024-11-09 04:48:21,038 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:48:21,038 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 04:48:21,039 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 04:48:21,040 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 04:48:21,042 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-09 04:48:21,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:48:21,404 INFO  L255         TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-09 04:48:21,410 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 04:48:21,439 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2024-11-09 04:48:21,439 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 04:48:21,527 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2024-11-09 04:48:21,527 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168867480] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 04:48:21,528 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [226392585]
[2024-11-09 04:48:21,531 INFO  L159        IcfgInterpreter]: Started Sifa with 64 locations of interest
[2024-11-09 04:48:21,531 INFO  L166        IcfgInterpreter]: Building call graph
[2024-11-09 04:48:21,531 INFO  L171        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2024-11-09 04:48:21,532 INFO  L176        IcfgInterpreter]: Starting interpretation
[2024-11-09 04:48:21,532 INFO  L197        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2024-11-09 04:49:05,985 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientId with input of size 237 for LOIs
[2024-11-09 04:49:06,221 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 452 for LOIs
[2024-11-09 04:49:07,837 INFO  L180        IcfgInterpreter]: Interpretation finished
[2024-11-09 04:49:32,143 WARN  L286               SmtUtils]: Spent 7.57s on a formula simplification. DAG size of input: 452 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:49:43,395 WARN  L286               SmtUtils]: Spent 10.86s on a formula simplification. DAG size of input: 476 DAG size of output: 472 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:50:26,757 WARN  L286               SmtUtils]: Spent 10.70s on a formula simplification. DAG size of input: 469 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:50:38,812 WARN  L286               SmtUtils]: Spent 10.90s on a formula simplification. DAG size of input: 469 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:50:50,922 WARN  L286               SmtUtils]: Spent 10.77s on a formula simplification. DAG size of input: 473 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:51:04,589 WARN  L286               SmtUtils]: Spent 10.96s on a formula simplification. DAG size of input: 473 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:51:16,101 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSifa [226392585] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 04:51:16,101 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences.
[2024-11-09 04:51:16,102 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32
[2024-11-09 04:51:16,102 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984083604]
[2024-11-09 04:51:16,102 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 04:51:16,103 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2024-11-09 04:51:16,103 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 04:51:16,103 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2024-11-09 04:51:16,104 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=890, Unknown=0, NotChecked=0, Total=992
[2024-11-09 04:51:16,104 INFO  L87              Difference]: Start difference. First operand 389 states and 576 transitions. Second operand  has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14)
[2024-11-09 04:51:41,973 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 04:51:41,973 INFO  L93              Difference]: Finished difference Result 786 states and 1191 transitions.
[2024-11-09 04:51:41,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-11-09 04:51:41,976 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 77
[2024-11-09 04:51:41,976 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 04:51:41,979 INFO  L225             Difference]: With dead ends: 786
[2024-11-09 04:51:41,979 INFO  L226             Difference]: Without dead ends: 460
[2024-11-09 04:51:41,981 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 140.3s TimeCoverageRelationStatistics Valid=123, Invalid=1067, Unknown=0, NotChecked=0, Total=1190
[2024-11-09 04:51:41,982 INFO  L432           NwaCegarLoop]: 223 mSDtfsCounter, 64 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 2646 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 3225 SdHoareTripleChecker+Invalid, 2657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time
[2024-11-09 04:51:41,982 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 3225 Invalid, 2657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 2646 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time]
[2024-11-09 04:51:41,983 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 460 states.
[2024-11-09 04:51:42,098 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 403.
[2024-11-09 04:51:42,100 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 403 states, 276 states have (on average 1.434782608695652) internal successors, (396), 279 states have internal predecessors, (396), 100 states have call successors, (100), 26 states have call predecessors, (100), 26 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99)
[2024-11-09 04:51:42,102 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 595 transitions.
[2024-11-09 04:51:42,103 INFO  L78                 Accepts]: Start accepts. Automaton has 403 states and 595 transitions. Word has length 77
[2024-11-09 04:51:42,103 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 04:51:42,104 INFO  L471      AbstractCegarLoop]: Abstraction has 403 states and 595 transitions.
[2024-11-09 04:51:42,104 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14)
[2024-11-09 04:51:42,104 INFO  L276                IsEmpty]: Start isEmpty. Operand 403 states and 595 transitions.
[2024-11-09 04:51:42,106 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2024-11-09 04:51:42,106 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 04:51:42,107 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 04:51:42,133 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-09 04:51:42,310 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 04:51:42,311 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 04:51:42,311 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 04:51:42,311 INFO  L85        PathProgramCache]: Analyzing trace with hash 1252215497, now seen corresponding path program 1 times
[2024-11-09 04:51:42,312 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 04:51:42,312 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84846905]
[2024-11-09 04:51:42,312 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:51:42,312 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 04:51:42,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:51:42,510 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-11-09 04:51:42,511 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 04:51:42,511 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84846905]
[2024-11-09 04:51:42,511 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84846905] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 04:51:42,511 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950127937]
[2024-11-09 04:51:42,511 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:51:42,512 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 04:51:42,512 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 04:51:42,513 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 04:51:42,516 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-09 04:51:42,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:51:42,901 INFO  L255         TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-09 04:51:42,907 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 04:51:42,931 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-11-09 04:51:42,932 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 04:51:43,011 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-11-09 04:51:43,011 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950127937] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 04:51:43,011 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1043720747]
[2024-11-09 04:51:43,014 INFO  L159        IcfgInterpreter]: Started Sifa with 69 locations of interest
[2024-11-09 04:51:43,014 INFO  L166        IcfgInterpreter]: Building call graph
[2024-11-09 04:51:43,014 INFO  L171        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2024-11-09 04:51:43,015 INFO  L176        IcfgInterpreter]: Starting interpretation
[2024-11-09 04:51:43,015 INFO  L197        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2024-11-09 04:52:46,851 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientId with input of size 237 for LOIs
[2024-11-09 04:52:47,010 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 498 for LOIs
[2024-11-09 04:52:48,080 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 507 for LOIs
[2024-11-09 04:52:49,112 INFO  L197        IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 443 for LOIs
[2024-11-09 04:52:49,423 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs
[2024-11-09 04:52:49,541 INFO  L180        IcfgInterpreter]: Interpretation finished
[2024-11-09 04:53:53,456 WARN  L286               SmtUtils]: Spent 13.47s on a formula simplification. DAG size of input: 527 DAG size of output: 522 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:54:07,636 WARN  L286               SmtUtils]: Spent 13.36s on a formula simplification. DAG size of input: 527 DAG size of output: 522 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:54:28,975 WARN  L286               SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 508 DAG size of output: 508 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:54:35,250 WARN  L286               SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 513 DAG size of output: 509 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:54:41,414 WARN  L286               SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 507 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:54:47,567 WARN  L286               SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 507 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:54:53,537 WARN  L286               SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 503 DAG size of output: 499 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:54:59,434 WARN  L286               SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 498 DAG size of output: 494 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:55:05,300 WARN  L286               SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 498 DAG size of output: 494 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:55:11,101 WARN  L286               SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 494 DAG size of output: 490 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:55:11,105 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSifa [1043720747] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 04:55:11,106 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences.
[2024-11-09 04:55:11,106 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38
[2024-11-09 04:55:11,106 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362185687]
[2024-11-09 04:55:11,106 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 04:55:11,107 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 33 states
[2024-11-09 04:55:11,107 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 04:55:11,107 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants.
[2024-11-09 04:55:11,108 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406
[2024-11-09 04:55:11,108 INFO  L87              Difference]: Start difference. First operand 403 states and 595 transitions. Second operand  has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16)
[2024-11-09 04:55:36,572 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 04:55:36,572 INFO  L93              Difference]: Finished difference Result 811 states and 1226 transitions.
[2024-11-09 04:55:36,573 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2024-11-09 04:55:36,573 INFO  L78                 Accepts]: Start accepts. Automaton has  has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) Word has length 80
[2024-11-09 04:55:36,573 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 04:55:36,577 INFO  L225             Difference]: With dead ends: 811
[2024-11-09 04:55:36,577 INFO  L226             Difference]: Without dead ends: 485
[2024-11-09 04:55:36,578 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 145.0s TimeCoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482
[2024-11-09 04:55:36,579 INFO  L432           NwaCegarLoop]: 218 mSDtfsCounter, 50 mSDsluCounter, 3822 mSDsCounter, 0 mSdLazyCounter, 3940 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 4040 SdHoareTripleChecker+Invalid, 3950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time
[2024-11-09 04:55:36,580 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 4040 Invalid, 3950 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 3940 Invalid, 0 Unknown, 0 Unchecked, 21.6s Time]
[2024-11-09 04:55:36,581 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 485 states.
[2024-11-09 04:55:36,725 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 439.
[2024-11-09 04:55:36,726 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 439 states, 306 states have (on average 1.4313725490196079) internal successors, (438), 309 states have internal predecessors, (438), 103 states have call successors, (103), 29 states have call predecessors, (103), 29 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102)
[2024-11-09 04:55:36,729 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 643 transitions.
[2024-11-09 04:55:36,730 INFO  L78                 Accepts]: Start accepts. Automaton has 439 states and 643 transitions. Word has length 80
[2024-11-09 04:55:36,730 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 04:55:36,731 INFO  L471      AbstractCegarLoop]: Abstraction has 439 states and 643 transitions.
[2024-11-09 04:55:36,731 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16)
[2024-11-09 04:55:36,731 INFO  L276                IsEmpty]: Start isEmpty. Operand 439 states and 643 transitions.
[2024-11-09 04:55:36,733 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2024-11-09 04:55:36,733 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 04:55:36,734 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 04:55:36,753 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-09 04:55:36,934 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 04:55:36,935 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 04:55:36,935 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 04:55:36,935 INFO  L85        PathProgramCache]: Analyzing trace with hash -887101784, now seen corresponding path program 1 times
[2024-11-09 04:55:36,935 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 04:55:36,935 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444945434]
[2024-11-09 04:55:36,935 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:55:36,936 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 04:55:36,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:55:37,061 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-11-09 04:55:37,061 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 04:55:37,061 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444945434]
[2024-11-09 04:55:37,062 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444945434] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 04:55:37,062 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154875785]
[2024-11-09 04:55:37,062 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:55:37,062 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 04:55:37,062 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 04:55:37,064 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 04:55:37,065 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-09 04:55:37,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:55:37,416 INFO  L255         TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-09 04:55:37,419 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 04:55:37,454 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-11-09 04:55:37,455 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 04:55:37,538 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-11-09 04:55:37,538 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154875785] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 04:55:37,539 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1557396414]
[2024-11-09 04:55:37,541 INFO  L159        IcfgInterpreter]: Started Sifa with 68 locations of interest
[2024-11-09 04:55:37,542 INFO  L166        IcfgInterpreter]: Building call graph
[2024-11-09 04:55:37,542 INFO  L171        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2024-11-09 04:55:37,542 INFO  L176        IcfgInterpreter]: Starting interpretation
[2024-11-09 04:55:37,542 INFO  L197        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2024-11-09 04:56:22,159 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientId with input of size 237 for LOIs
[2024-11-09 04:56:22,331 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs
[2024-11-09 04:56:22,446 INFO  L180        IcfgInterpreter]: Interpretation finished
[2024-11-09 04:57:24,403 WARN  L286               SmtUtils]: Spent 11.03s on a formula simplification. DAG size of input: 468 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:57:36,655 WARN  L286               SmtUtils]: Spent 11.12s on a formula simplification. DAG size of input: 468 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:57:48,973 WARN  L286               SmtUtils]: Spent 10.90s on a formula simplification. DAG size of input: 472 DAG size of output: 472 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:58:02,405 WARN  L286               SmtUtils]: Spent 10.92s on a formula simplification. DAG size of input: 472 DAG size of output: 472 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 04:58:20,583 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSifa [1557396414] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 04:58:20,583 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences.
[2024-11-09 04:58:20,583 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33
[2024-11-09 04:58:20,584 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870628904]
[2024-11-09 04:58:20,584 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 04:58:20,584 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2024-11-09 04:58:20,584 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 04:58:20,585 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2024-11-09 04:58:20,586 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=949, Unknown=0, NotChecked=0, Total=1056
[2024-11-09 04:58:20,586 INFO  L87              Difference]: Start difference. First operand 439 states and 643 transitions. Second operand  has 28 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13)
[2024-11-09 04:58:53,095 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 04:58:53,095 INFO  L93              Difference]: Finished difference Result 813 states and 1217 transitions.
[2024-11-09 04:58:53,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2024-11-09 04:58:53,095 INFO  L78                 Accepts]: Start accepts. Automaton has  has 28 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 79
[2024-11-09 04:58:53,096 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 04:58:53,100 INFO  L225             Difference]: With dead ends: 813
[2024-11-09 04:58:53,100 INFO  L226             Difference]: Without dead ends: 487
[2024-11-09 04:58:53,102 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 205 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 140.6s TimeCoverageRelationStatistics Valid=140, Invalid=1266, Unknown=0, NotChecked=0, Total=1406
[2024-11-09 04:58:53,102 INFO  L432           NwaCegarLoop]: 216 mSDtfsCounter, 42 mSDsluCounter, 2625 mSDsCounter, 0 mSdLazyCounter, 2152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 2841 SdHoareTripleChecker+Invalid, 2162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time
[2024-11-09 04:58:53,103 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 2841 Invalid, 2162 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2152 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time]
[2024-11-09 04:58:53,104 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 487 states.
[2024-11-09 04:58:53,251 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 459.
[2024-11-09 04:58:53,252 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 459 states, 326 states have (on average 1.4355828220858895) internal successors, (468), 329 states have internal predecessors, (468), 103 states have call successors, (103), 29 states have call predecessors, (103), 29 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102)
[2024-11-09 04:58:53,254 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 673 transitions.
[2024-11-09 04:58:53,255 INFO  L78                 Accepts]: Start accepts. Automaton has 459 states and 673 transitions. Word has length 79
[2024-11-09 04:58:53,256 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 04:58:53,256 INFO  L471      AbstractCegarLoop]: Abstraction has 459 states and 673 transitions.
[2024-11-09 04:58:53,256 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13)
[2024-11-09 04:58:53,257 INFO  L276                IsEmpty]: Start isEmpty. Operand 459 states and 673 transitions.
[2024-11-09 04:58:53,259 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2024-11-09 04:58:53,259 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 04:58:53,259 INFO  L215           NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 04:58:53,278 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-09 04:58:53,460 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 04:58:53,460 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 04:58:53,460 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 04:58:53,460 INFO  L85        PathProgramCache]: Analyzing trace with hash 1426356558, now seen corresponding path program 1 times
[2024-11-09 04:58:53,461 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 04:58:53,461 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762890925]
[2024-11-09 04:58:53,461 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:58:53,461 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 04:58:53,508 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:58:53,677 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2024-11-09 04:58:53,678 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 04:58:53,678 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762890925]
[2024-11-09 04:58:53,678 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762890925] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 04:58:53,678 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 04:58:53,678 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 04:58:53,678 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900757219]
[2024-11-09 04:58:53,679 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 04:58:53,679 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 04:58:53,680 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 04:58:53,680 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 04:58:53,680 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 04:58:53,681 INFO  L87              Difference]: Start difference. First operand 459 states and 673 transitions. Second operand  has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-09 04:58:54,026 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 04:58:54,026 INFO  L93              Difference]: Finished difference Result 613 states and 858 transitions.
[2024-11-09 04:58:54,027 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 04:58:54,027 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 82
[2024-11-09 04:58:54,027 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 04:58:54,031 INFO  L225             Difference]: With dead ends: 613
[2024-11-09 04:58:54,031 INFO  L226             Difference]: Without dead ends: 489
[2024-11-09 04:58:54,032 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 04:58:54,033 INFO  L432           NwaCegarLoop]: 239 mSDtfsCounter, 123 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 04:58:54,033 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 357 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 04:58:54,034 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 489 states.
[2024-11-09 04:58:54,217 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489.
[2024-11-09 04:58:54,218 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 489 states, 342 states have (on average 1.4152046783625731) internal successors, (484), 345 states have internal predecessors, (484), 109 states have call successors, (109), 38 states have call predecessors, (109), 37 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108)
[2024-11-09 04:58:54,221 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 701 transitions.
[2024-11-09 04:58:54,222 INFO  L78                 Accepts]: Start accepts. Automaton has 489 states and 701 transitions. Word has length 82
[2024-11-09 04:58:54,222 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 04:58:54,222 INFO  L471      AbstractCegarLoop]: Abstraction has 489 states and 701 transitions.
[2024-11-09 04:58:54,223 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-09 04:58:54,223 INFO  L276                IsEmpty]: Start isEmpty. Operand 489 states and 701 transitions.
[2024-11-09 04:58:54,226 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2024-11-09 04:58:54,226 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 04:58:54,226 INFO  L215           NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 04:58:54,226 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-09 04:58:54,227 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 04:58:54,227 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 04:58:54,227 INFO  L85        PathProgramCache]: Analyzing trace with hash -2051446796, now seen corresponding path program 1 times
[2024-11-09 04:58:54,227 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 04:58:54,227 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656184489]
[2024-11-09 04:58:54,228 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:58:54,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 04:58:54,284 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:58:54,630 INFO  L134       CoverageAnalysis]: Checked inductivity of 65 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked.
[2024-11-09 04:58:54,631 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 04:58:54,631 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656184489]
[2024-11-09 04:58:54,631 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656184489] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 04:58:54,631 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 04:58:54,631 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-09 04:58:54,631 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721506876]
[2024-11-09 04:58:54,631 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 04:58:54,632 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-09 04:58:54,632 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 04:58:54,632 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-09 04:58:54,632 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-09 04:58:54,633 INFO  L87              Difference]: Start difference. First operand 489 states and 701 transitions. Second operand  has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25)
[2024-11-09 04:58:55,603 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 04:58:55,603 INFO  L93              Difference]: Finished difference Result 727 states and 993 transitions.
[2024-11-09 04:58:55,603 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-09 04:58:55,603 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 137
[2024-11-09 04:58:55,604 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 04:58:55,607 INFO  L225             Difference]: With dead ends: 727
[2024-11-09 04:58:55,607 INFO  L226             Difference]: Without dead ends: 535
[2024-11-09 04:58:55,608 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-09 04:58:55,609 INFO  L432           NwaCegarLoop]: 181 mSDtfsCounter, 251 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-09 04:58:55,610 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 613 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-09 04:58:55,611 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 535 states.
[2024-11-09 04:58:55,867 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 532.
[2024-11-09 04:58:55,868 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 532 states, 364 states have (on average 1.3873626373626373) internal successors, (505), 368 states have internal predecessors, (505), 118 states have call successors, (118), 50 states have call predecessors, (118), 49 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117)
[2024-11-09 04:58:55,870 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 740 transitions.
[2024-11-09 04:58:55,871 INFO  L78                 Accepts]: Start accepts. Automaton has 532 states and 740 transitions. Word has length 137
[2024-11-09 04:58:55,872 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 04:58:55,872 INFO  L471      AbstractCegarLoop]: Abstraction has 532 states and 740 transitions.
[2024-11-09 04:58:55,872 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25)
[2024-11-09 04:58:55,872 INFO  L276                IsEmpty]: Start isEmpty. Operand 532 states and 740 transitions.
[2024-11-09 04:58:55,875 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 149
[2024-11-09 04:58:55,875 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 04:58:55,876 INFO  L215           NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 04:58:55,876 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-09 04:58:55,876 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 04:58:55,876 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 04:58:55,877 INFO  L85        PathProgramCache]: Analyzing trace with hash 2070484253, now seen corresponding path program 1 times
[2024-11-09 04:58:55,877 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 04:58:55,877 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624518345]
[2024-11-09 04:58:55,877 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:58:55,877 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 04:58:55,937 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:58:56,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked.
[2024-11-09 04:58:56,874 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 04:58:56,875 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624518345]
[2024-11-09 04:58:56,875 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624518345] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 04:58:56,875 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936835336]
[2024-11-09 04:58:56,875 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 04:58:56,875 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 04:58:56,875 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 04:58:56,877 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 04:58:56,880 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-09 04:58:57,365 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 04:58:57,371 INFO  L255         TraceCheckSpWp]: Trace formula consists of 1287 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-09 04:58:57,378 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 04:58:57,454 INFO  L134       CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked.
[2024-11-09 04:58:57,455 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 04:58:57,730 INFO  L134       CoverageAnalysis]: Checked inductivity of 67 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2024-11-09 04:58:57,730 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [936835336] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 04:58:57,730 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1726757261]
[2024-11-09 04:58:57,733 INFO  L159        IcfgInterpreter]: Started Sifa with 100 locations of interest
[2024-11-09 04:58:57,735 INFO  L166        IcfgInterpreter]: Building call graph
[2024-11-09 04:58:57,736 INFO  L171        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2024-11-09 04:58:57,736 INFO  L176        IcfgInterpreter]: Starting interpretation
[2024-11-09 04:58:57,736 INFO  L197        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2024-11-09 04:59:43,501 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientId with input of size 237 for LOIs
[2024-11-09 04:59:43,669 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 454 for LOIs
[2024-11-09 04:59:45,085 INFO  L180        IcfgInterpreter]: Interpretation finished
[2024-11-09 05:00:11,289 WARN  L286               SmtUtils]: Spent 8.08s on a formula simplification. DAG size of input: 454 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-09 05:00:23,596 WARN  L286               SmtUtils]: Spent 11.53s on a formula simplification. DAG size of input: 478 DAG size of output: 474 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)