./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product33.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f09e5adfeee9c308429dc6a96730836c8dd32d7c1bd2833eb57924261e76e35
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-12-02 14:51:49,498 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-02 14:51:49,559 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf
[2023-12-02 14:51:49,563 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-02 14:51:49,564 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-02 14:51:49,587 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-02 14:51:49,587 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-02 14:51:49,588 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-02 14:51:49,588 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-02 14:51:49,589 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-02 14:51:49,589 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2023-12-02 14:51:49,590 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-12-02 14:51:49,590 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2023-12-02 14:51:49,591 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-12-02 14:51:49,591 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2023-12-02 14:51:49,592 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-12-02 14:51:49,592 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-12-02 14:51:49,593 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-12-02 14:51:49,593 INFO  L153        SettingsManager]:  * Interval Domain=false
[2023-12-02 14:51:49,594 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-12-02 14:51:49,595 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-12-02 14:51:49,595 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-12-02 14:51:49,596 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-02 14:51:49,597 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-02 14:51:49,597 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-02 14:51:49,597 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-02 14:51:49,598 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-02 14:51:49,598 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-02 14:51:49,598 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-02 14:51:49,599 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-02 14:51:49,599 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-02 14:51:49,608 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-02 14:51:49,608 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-02 14:51:49,608 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-02 14:51:49,609 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-02 14:51:49,609 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-02 14:51:49,609 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-02 14:51:49,609 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-12-02 14:51:49,610 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-02 14:51:49,610 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-02 14:51:49,610 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-02 14:51:49,610 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-12-02 14:51:49,611 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-02 14:51:49,611 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-02 14:51:49,611 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-02 14:51:49,611 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-12-02 14:51:49,611 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-02 14:51:49,612 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_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f09e5adfeee9c308429dc6a96730836c8dd32d7c1bd2833eb57924261e76e35
[2023-12-02 14:51:49,842 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-02 14:51:49,862 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-02 14:51:49,865 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-02 14:51:49,866 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-02 14:51:49,867 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-02 14:51:49,868 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/product-lines/email_spec27_product33.cil.c
[2023-12-02 14:51:52,587 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-02 14:51:52,857 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-02 14:51:52,857 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/sv-benchmarks/c/product-lines/email_spec27_product33.cil.c
[2023-12-02 14:51:52,877 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/data/bc9ddfc8b/ede419c5843c458b93a9ea8f14540223/FLAG1586a924c
[2023-12-02 14:51:52,891 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/data/bc9ddfc8b/ede419c5843c458b93a9ea8f14540223
[2023-12-02 14:51:52,894 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-02 14:51:52,895 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-12-02 14:51:52,896 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-02 14:51:52,897 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-02 14:51:52,901 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-02 14:51:52,902 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:51:52" (1/1) ...
[2023-12-02 14:51:52,903 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ef55a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:52, skipping insertion in model container
[2023-12-02 14:51:52,903 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:51:52" (1/1) ...
[2023-12-02 14:51:52,976 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-02 14:51:53,128 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/sv-benchmarks/c/product-lines/email_spec27_product33.cil.c[1543,1556]
[2023-12-02 14:51:53,430 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-02 14:51:53,443 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-02 14:51:53,450 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48]
[2023-12-02 14:51:53,452 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [57]
[2023-12-02 14:51:53,452 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [75]
[2023-12-02 14:51:53,452 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [441]
[2023-12-02 14:51:53,452 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [767]
[2023-12-02 14:51:53,452 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [915]
[2023-12-02 14:51:53,452 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [1134]
[2023-12-02 14:51:53,452 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1166]
[2023-12-02 14:51:53,453 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1201]
[2023-12-02 14:51:53,453 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1603]
[2023-12-02 14:51:53,453 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2673]
[2023-12-02 14:51:53,456 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/sv-benchmarks/c/product-lines/email_spec27_product33.cil.c[1543,1556]
[2023-12-02 14:51:53,581 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-02 14:51:53,610 WARN  L675               CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 14:51:53,616 INFO  L206         MainTranslator]: Completed translation
[2023-12-02 14:51:53,616 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:53 WrapperNode
[2023-12-02 14:51:53,616 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-02 14:51:53,617 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-02 14:51:53,617 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-02 14:51:53,617 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-02 14:51:53,623 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:53" (1/1) ...
[2023-12-02 14:51:53,653 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:53" (1/1) ...
[2023-12-02 14:51:53,708 INFO  L138                Inliner]: procedures = 134, calls = 229, calls flagged for inlining = 64, calls inlined = 59, statements flattened = 1086
[2023-12-02 14:51:53,708 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-02 14:51:53,709 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-02 14:51:53,709 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-02 14:51:53,710 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-02 14:51:53,720 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:53" (1/1) ...
[2023-12-02 14:51:53,720 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:53" (1/1) ...
[2023-12-02 14:51:53,728 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:53" (1/1) ...
[2023-12-02 14:51:53,729 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:53" (1/1) ...
[2023-12-02 14:51:53,754 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:53" (1/1) ...
[2023-12-02 14:51:53,764 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:53" (1/1) ...
[2023-12-02 14:51:53,772 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:53" (1/1) ...
[2023-12-02 14:51:53,777 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:53" (1/1) ...
[2023-12-02 14:51:53,788 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-02 14:51:53,788 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-02 14:51:53,788 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-02 14:51:53,789 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-02 14:51:53,789 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:53" (1/1) ...
[2023-12-02 14:51:53,794 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-12-02 14:51:53,810 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3
[2023-12-02 14:51:53,829 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-12-02 14:51:53,836 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-12-02 14:51:53,861 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientPrivateKey
[2023-12-02 14:51:53,862 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientPrivateKey
[2023-12-02 14:51:53,862 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey
[2023-12-02 14:51:53,862 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey
[2023-12-02 14:51:53,862 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey
[2023-12-02 14:51:53,862 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey
[2023-12-02 14:51:53,863 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailTo
[2023-12-02 14:51:53,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailTo
[2023-12-02 14:51:53,863 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailFrom
[2023-12-02 14:51:53,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailFrom
[2023-12-02 14:51:53,863 INFO  L130     BoogieDeclarations]: Found specification of procedure isReadable
[2023-12-02 14:51:53,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure isReadable
[2023-12-02 14:51:53,864 INFO  L130     BoogieDeclarations]: Found specification of procedure createClientKeyringEntry
[2023-12-02 14:51:53,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry
[2023-12-02 14:51:53,864 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted
[2023-12-02 14:51:53,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted
[2023-12-02 14:51:53,864 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailSignKey
[2023-12-02 14:51:53,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailSignKey
[2023-12-02 14:51:53,865 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckKeyAdd
[2023-12-02 14:51:53,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckKeyAdd
[2023-12-02 14:51:53,865 INFO  L130     BoogieDeclarations]: Found specification of procedure puts
[2023-12-02 14:51:53,865 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailFrom
[2023-12-02 14:51:53,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailFrom
[2023-12-02 14:51:53,865 INFO  L130     BoogieDeclarations]: Found specification of procedure queue
[2023-12-02 14:51:53,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure queue
[2023-12-02 14:51:53,866 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientId
[2023-12-02 14:51:53,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientId
[2023-12-02 14:51:53,866 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-02 14:51:53,866 INFO  L130     BoogieDeclarations]: Found specification of procedure isSigned
[2023-12-02 14:51:53,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure isSigned
[2023-12-02 14:51:53,866 INFO  L130     BoogieDeclarations]: Found specification of procedure isKeyPairValid
[2023-12-02 14:51:53,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure isKeyPairValid
[2023-12-02 14:51:53,867 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringUser
[2023-12-02 14:51:53,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringUser
[2023-12-02 14:51:53,867 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey
[2023-12-02 14:51:53,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey
[2023-12-02 14:51:53,867 INFO  L130     BoogieDeclarations]: Found specification of procedure outgoing
[2023-12-02 14:51:53,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure outgoing
[2023-12-02 14:51:53,868 INFO  L130     BoogieDeclarations]: Found specification of procedure isVerified
[2023-12-02 14:51:53,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure isVerified
[2023-12-02 14:51:53,868 INFO  L130     BoogieDeclarations]: Found specification of procedure findPublicKey
[2023-12-02 14:51:53,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure findPublicKey
[2023-12-02 14:51:53,868 INFO  L130     BoogieDeclarations]: Found specification of procedure sendEmail
[2023-12-02 14:51:53,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure sendEmail
[2023-12-02 14:51:53,868 INFO  L130     BoogieDeclarations]: Found specification of procedure isEncrypted
[2023-12-02 14:51:53,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure isEncrypted
[2023-12-02 14:51:53,869 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientPrivateKey
[2023-12-02 14:51:53,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientPrivateKey
[2023-12-02 14:51:53,869 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailTo
[2023-12-02 14:51:53,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailTo
[2023-12-02 14:51:53,869 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-12-02 14:51:53,870 INFO  L130     BoogieDeclarations]: Found specification of procedure generateKeyPair
[2023-12-02 14:51:53,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure generateKeyPair
[2023-12-02 14:51:53,870 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-02 14:51:53,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-02 14:51:54,071 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-02 14:51:54,074 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-02 14:51:54,845 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-02 14:51:55,360 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-02 14:51:55,361 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-02 14:51:55,362 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:51:55 BoogieIcfgContainer
[2023-12-02 14:51:55,363 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-02 14:51:55,366 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-02 14:51:55,366 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-02 14:51:55,369 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-02 14:51:55,370 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:51:52" (1/3) ...
[2023-12-02 14:51:55,370 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a509b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:51:55, skipping insertion in model container
[2023-12-02 14:51:55,371 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:53" (2/3) ...
[2023-12-02 14:51:55,371 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a509b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:51:55, skipping insertion in model container
[2023-12-02 14:51:55,371 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:51:55" (3/3) ...
[2023-12-02 14:51:55,373 INFO  L112   eAbstractionObserver]: Analyzing ICFG email_spec27_product33.cil.c
[2023-12-02 14:51:55,394 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-02 14:51:55,394 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-02 14:51:55,451 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-02 14:51:55,458 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c628b96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-02 14:51:55,458 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-02 14:51:55,464 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 218 states, 126 states have (on average 1.3015873015873016) internal successors, (164), 130 states have internal predecessors, (164), 65 states have call successors, (65), 25 states have call predecessors, (65), 25 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65)
[2023-12-02 14:51:55,489 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2023-12-02 14:51:55,490 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 14:51:55,490 INFO  L195           NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 14:51:55,491 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-02 14:51:55,497 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 14:51:55,497 INFO  L85        PathProgramCache]: Analyzing trace with hash 821035765, now seen corresponding path program 1 times
[2023-12-02 14:51:55,505 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 14:51:55,505 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018407209]
[2023-12-02 14:51:55,506 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 14:51:55,506 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 14:51:55,700 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 14:51:55,873 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-12-02 14:51:55,873 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 14:51:55,873 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018407209]
[2023-12-02 14:51:55,874 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018407209] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 14:51:55,874 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 14:51:55,875 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-02 14:51:55,876 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212494419]
[2023-12-02 14:51:55,877 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 14:51:55,882 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-02 14:51:55,883 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 14:51:55,913 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-02 14:51:55,913 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-02 14:51:55,917 INFO  L87              Difference]: Start difference. First operand  has 218 states, 126 states have (on average 1.3015873015873016) internal successors, (164), 130 states have internal predecessors, (164), 65 states have call successors, (65), 25 states have call predecessors, (65), 25 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand  has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)
[2023-12-02 14:51:56,055 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 14:51:56,055 INFO  L93              Difference]: Finished difference Result 353 states and 466 transitions.
[2023-12-02 14:51:56,056 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-02 14:51:56,058 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 92
[2023-12-02 14:51:56,059 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 14:51:56,071 INFO  L225             Difference]: With dead ends: 353
[2023-12-02 14:51:56,071 INFO  L226             Difference]: Without dead ends: 215
[2023-12-02 14:51:56,076 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-02 14:51:56,080 INFO  L413           NwaCegarLoop]: 249 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-02 14:51:56,081 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 249 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-02 14:51:56,100 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 215 states.
[2023-12-02 14:51:56,138 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215.
[2023-12-02 14:51:56,141 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 215 states, 124 states have (on average 1.2741935483870968) internal successors, (158), 127 states have internal predecessors, (158), 65 states have call successors, (65), 25 states have call predecessors, (65), 25 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64)
[2023-12-02 14:51:56,145 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 287 transitions.
[2023-12-02 14:51:56,146 INFO  L78                 Accepts]: Start accepts. Automaton has 215 states and 287 transitions. Word has length 92
[2023-12-02 14:51:56,148 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 14:51:56,148 INFO  L495      AbstractCegarLoop]: Abstraction has 215 states and 287 transitions.
[2023-12-02 14:51:56,149 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)
[2023-12-02 14:51:56,149 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states and 287 transitions.
[2023-12-02 14:51:56,155 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2023-12-02 14:51:56,155 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 14:51:56,155 INFO  L195           NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 14:51:56,156 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-02 14:51:56,156 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-02 14:51:56,157 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 14:51:56,157 INFO  L85        PathProgramCache]: Analyzing trace with hash 433322674, now seen corresponding path program 1 times
[2023-12-02 14:51:56,157 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 14:51:56,157 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079381678]
[2023-12-02 14:51:56,158 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 14:51:56,158 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 14:51:56,215 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 14:51:56,423 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-12-02 14:51:56,424 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 14:51:56,424 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079381678]
[2023-12-02 14:51:56,424 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079381678] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 14:51:56,424 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 14:51:56,425 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-02 14:51:56,425 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799807042]
[2023-12-02 14:51:56,425 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 14:51:56,427 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-02 14:51:56,427 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 14:51:56,428 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-02 14:51:56,428 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 14:51:56,429 INFO  L87              Difference]: Start difference. First operand 215 states and 287 transitions. Second operand  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)
[2023-12-02 14:51:56,571 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 14:51:56,571 INFO  L93              Difference]: Finished difference Result 349 states and 454 transitions.
[2023-12-02 14:51:56,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-02 14:51:56,572 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 93
[2023-12-02 14:51:56,573 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 14:51:56,576 INFO  L225             Difference]: With dead ends: 349
[2023-12-02 14:51:56,576 INFO  L226             Difference]: Without dead ends: 217
[2023-12-02 14:51:56,578 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 14:51:56,580 INFO  L413           NwaCegarLoop]: 246 mSDtfsCounter, 0 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-02 14:51:56,581 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 491 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-02 14:51:56,583 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 217 states.
[2023-12-02 14:51:56,603 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217.
[2023-12-02 14:51:56,604 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 217 states, 126 states have (on average 1.2698412698412698) internal successors, (160), 129 states have internal predecessors, (160), 65 states have call successors, (65), 25 states have call predecessors, (65), 25 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64)
[2023-12-02 14:51:56,607 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 289 transitions.
[2023-12-02 14:51:56,607 INFO  L78                 Accepts]: Start accepts. Automaton has 217 states and 289 transitions. Word has length 93
[2023-12-02 14:51:56,608 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 14:51:56,608 INFO  L495      AbstractCegarLoop]: Abstraction has 217 states and 289 transitions.
[2023-12-02 14:51:56,608 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)
[2023-12-02 14:51:56,608 INFO  L276                IsEmpty]: Start isEmpty. Operand 217 states and 289 transitions.
[2023-12-02 14:51:56,614 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2023-12-02 14:51:56,614 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 14:51:56,614 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 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]
[2023-12-02 14:51:56,614 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-02 14:51:56,614 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-02 14:51:56,615 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 14:51:56,615 INFO  L85        PathProgramCache]: Analyzing trace with hash -519250390, now seen corresponding path program 1 times
[2023-12-02 14:51:56,615 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 14:51:56,616 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238310772]
[2023-12-02 14:51:56,616 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 14:51:56,616 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 14:51:56,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 14:51:56,750 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-12-02 14:51:56,750 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 14:51:56,751 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238310772]
[2023-12-02 14:51:56,751 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238310772] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 14:51:56,751 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 14:51:56,751 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-02 14:51:56,752 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026367068]
[2023-12-02 14:51:56,752 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 14:51:56,752 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-02 14:51:56,753 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 14:51:56,753 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-02 14:51:56,754 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 14:51:56,754 INFO  L87              Difference]: Start difference. First operand 217 states and 289 transitions. Second operand  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)
[2023-12-02 14:51:56,897 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 14:51:56,898 INFO  L93              Difference]: Finished difference Result 464 states and 637 transitions.
[2023-12-02 14:51:56,898 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-02 14:51:56,899 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 98
[2023-12-02 14:51:56,900 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 14:51:56,904 INFO  L225             Difference]: With dead ends: 464
[2023-12-02 14:51:56,904 INFO  L226             Difference]: Without dead ends: 265
[2023-12-02 14:51:56,906 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 14:51:56,907 INFO  L413           NwaCegarLoop]: 254 mSDtfsCounter, 57 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-02 14:51:56,908 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 494 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-02 14:51:56,909 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 265 states.
[2023-12-02 14:51:56,928 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 260.
[2023-12-02 14:51:56,929 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 260 states, 158 states have (on average 1.3481012658227849) internal successors, (213), 161 states have internal predecessors, (213), 76 states have call successors, (76), 25 states have call predecessors, (76), 25 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75)
[2023-12-02 14:51:56,932 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 364 transitions.
[2023-12-02 14:51:56,932 INFO  L78                 Accepts]: Start accepts. Automaton has 260 states and 364 transitions. Word has length 98
[2023-12-02 14:51:56,933 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 14:51:56,933 INFO  L495      AbstractCegarLoop]: Abstraction has 260 states and 364 transitions.
[2023-12-02 14:51:56,933 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)
[2023-12-02 14:51:56,933 INFO  L276                IsEmpty]: Start isEmpty. Operand 260 states and 364 transitions.
[2023-12-02 14:51:56,936 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2023-12-02 14:51:56,936 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 14:51:56,936 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 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]
[2023-12-02 14:51:56,936 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-02 14:51:56,937 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-02 14:51:56,937 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 14:51:56,937 INFO  L85        PathProgramCache]: Analyzing trace with hash -1986027269, now seen corresponding path program 1 times
[2023-12-02 14:51:56,938 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 14:51:56,938 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282139392]
[2023-12-02 14:51:56,938 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 14:51:56,938 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 14:51:56,976 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 14:51:57,115 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-12-02 14:51:57,116 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 14:51:57,116 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282139392]
[2023-12-02 14:51:57,116 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282139392] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-02 14:51:57,116 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025104702]
[2023-12-02 14:51:57,117 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 14:51:57,117 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-02 14:51:57,117 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3
[2023-12-02 14:51:57,119 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-02 14:51:57,124 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-12-02 14:51:57,468 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 14:51:57,474 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-02 14:51:57,483 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 14:51:57,546 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-12-02 14:51:57,546 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-02 14:51:57,625 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-12-02 14:51:57,625 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025104702] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-02 14:51:57,625 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2122448050]
[2023-12-02 14:51:57,643 INFO  L159        IcfgInterpreter]: Started Sifa with 82 locations of interest
[2023-12-02 14:51:57,644 INFO  L166        IcfgInterpreter]: Building call graph
[2023-12-02 14:51:57,647 INFO  L171        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2023-12-02 14:51:57,652 INFO  L176        IcfgInterpreter]: Starting interpretation
[2023-12-02 14:51:57,652 INFO  L197        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2023-12-02 14:52:37,385 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs
[2023-12-02 14:52:37,559 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs
[2023-12-02 14:52:37,733 INFO  L180        IcfgInterpreter]: Interpretation finished
[2023-12-02 14:53:33,827 WARN  L293               SmtUtils]: Spent 9.41s on a formula simplification. DAG size of input: 500 DAG size of output: 500 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 14:53:48,408 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSifa [2122448050] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 14:53:48,408 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences.
[2023-12-02 14:53:48,408 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [4, 4, 4] total 29
[2023-12-02 14:53:48,409 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652509737]
[2023-12-02 14:53:48,409 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 14:53:48,410 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2023-12-02 14:53:48,410 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 14:53:48,410 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2023-12-02 14:53:48,411 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812
[2023-12-02 14:53:48,411 INFO  L87              Difference]: Start difference. First operand 260 states and 364 transitions. Second operand  has 24 states, 16 states have (on average 3.125) internal successors, (50), 15 states have internal predecessors, (50), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19)
[2023-12-02 14:53:58,640 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 14:53:58,640 INFO  L93              Difference]: Finished difference Result 565 states and 824 transitions.
[2023-12-02 14:53:58,641 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2023-12-02 14:53:58,641 INFO  L78                 Accepts]: Start accepts. Automaton has  has 24 states, 16 states have (on average 3.125) internal successors, (50), 15 states have internal predecessors, (50), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 99
[2023-12-02 14:53:58,641 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 14:53:58,644 INFO  L225             Difference]: With dead ends: 565
[2023-12-02 14:53:58,644 INFO  L226             Difference]: Without dead ends: 323
[2023-12-02 14:53:58,645 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 70.7s TimeCoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812
[2023-12-02 14:53:58,646 INFO  L413           NwaCegarLoop]: 259 mSDtfsCounter, 56 mSDsluCounter, 3252 mSDsCounter, 0 mSdLazyCounter, 2068 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 3511 SdHoareTripleChecker+Invalid, 2077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time
[2023-12-02 14:53:58,646 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 3511 Invalid, 2077 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2068 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time]
[2023-12-02 14:53:58,647 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 323 states.
[2023-12-02 14:53:58,714 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 283.
[2023-12-02 14:53:58,715 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 283 states, 180 states have (on average 1.3666666666666667) internal successors, (246), 183 states have internal predecessors, (246), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75)
[2023-12-02 14:53:58,718 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 397 transitions.
[2023-12-02 14:53:58,719 INFO  L78                 Accepts]: Start accepts. Automaton has 283 states and 397 transitions. Word has length 99
[2023-12-02 14:53:58,719 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 14:53:58,720 INFO  L495      AbstractCegarLoop]: Abstraction has 283 states and 397 transitions.
[2023-12-02 14:53:58,720 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 16 states have (on average 3.125) internal successors, (50), 15 states have internal predecessors, (50), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19)
[2023-12-02 14:53:58,720 INFO  L276                IsEmpty]: Start isEmpty. Operand 283 states and 397 transitions.
[2023-12-02 14:53:58,723 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2023-12-02 14:53:58,723 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 14:53:58,724 INFO  L195           NwaCegarLoop]: trace histogram [4, 3, 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, 1]
[2023-12-02 14:53:58,733 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-12-02 14:53:58,931 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-02 14:53:58,932 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-02 14:53:58,932 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 14:53:58,933 INFO  L85        PathProgramCache]: Analyzing trace with hash -712021720, now seen corresponding path program 1 times
[2023-12-02 14:53:58,933 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 14:53:58,933 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874793601]
[2023-12-02 14:53:58,933 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 14:53:58,933 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 14:53:58,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 14:53:59,049 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2023-12-02 14:53:59,050 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 14:53:59,050 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874793601]
[2023-12-02 14:53:59,050 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874793601] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 14:53:59,050 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 14:53:59,050 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-02 14:53:59,050 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767087968]
[2023-12-02 14:53:59,050 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 14:53:59,051 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-02 14:53:59,051 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 14:53:59,052 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-02 14:53:59,052 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 14:53:59,052 INFO  L87              Difference]: Start difference. First operand 283 states and 397 transitions. Second operand  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2023-12-02 14:53:59,267 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 14:53:59,267 INFO  L93              Difference]: Finished difference Result 659 states and 958 transitions.
[2023-12-02 14:53:59,268 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-02 14:53:59,268 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104
[2023-12-02 14:53:59,268 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 14:53:59,272 INFO  L225             Difference]: With dead ends: 659
[2023-12-02 14:53:59,272 INFO  L226             Difference]: Without dead ends: 400
[2023-12-02 14:53:59,273 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 14:53:59,274 INFO  L413           NwaCegarLoop]: 258 mSDtfsCounter, 55 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-02 14:53:59,275 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 504 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-02 14:53:59,276 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 400 states.
[2023-12-02 14:53:59,400 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 395.
[2023-12-02 14:53:59,401 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 395 states, 267 states have (on average 1.4307116104868913) internal successors, (382), 270 states have internal predecessors, (382), 101 states have call successors, (101), 26 states have call predecessors, (101), 26 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100)
[2023-12-02 14:53:59,404 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 583 transitions.
[2023-12-02 14:53:59,404 INFO  L78                 Accepts]: Start accepts. Automaton has 395 states and 583 transitions. Word has length 104
[2023-12-02 14:53:59,405 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 14:53:59,405 INFO  L495      AbstractCegarLoop]: Abstraction has 395 states and 583 transitions.
[2023-12-02 14:53:59,405 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2023-12-02 14:53:59,405 INFO  L276                IsEmpty]: Start isEmpty. Operand 395 states and 583 transitions.
[2023-12-02 14:53:59,408 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2023-12-02 14:53:59,408 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 14:53:59,408 INFO  L195           NwaCegarLoop]: trace histogram [4, 3, 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, 1, 1]
[2023-12-02 14:53:59,409 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-12-02 14:53:59,409 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-02 14:53:59,409 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 14:53:59,409 INFO  L85        PathProgramCache]: Analyzing trace with hash 802004118, now seen corresponding path program 1 times
[2023-12-02 14:53:59,409 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 14:53:59,410 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629070779]
[2023-12-02 14:53:59,410 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 14:53:59,410 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 14:53:59,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 14:53:59,579 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2023-12-02 14:53:59,579 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 14:53:59,579 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629070779]
[2023-12-02 14:53:59,579 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629070779] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-02 14:53:59,579 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560236658]
[2023-12-02 14:53:59,579 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 14:53:59,580 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-02 14:53:59,580 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3
[2023-12-02 14:53:59,581 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-02 14:53:59,587 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-12-02 14:53:59,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 14:53:59,927 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-02 14:53:59,934 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 14:53:59,964 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2023-12-02 14:53:59,964 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-02 14:54:00,065 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2023-12-02 14:54:00,065 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560236658] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-02 14:54:00,065 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1592783070]
[2023-12-02 14:54:00,070 INFO  L159        IcfgInterpreter]: Started Sifa with 86 locations of interest
[2023-12-02 14:54:00,070 INFO  L166        IcfgInterpreter]: Building call graph
[2023-12-02 14:54:00,071 INFO  L171        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2023-12-02 14:54:00,071 INFO  L176        IcfgInterpreter]: Starting interpretation
[2023-12-02 14:54:00,071 INFO  L197        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2023-12-02 14:54:55,928 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs
[2023-12-02 14:54:56,091 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 480 for LOIs
[2023-12-02 14:54:58,146 INFO  L180        IcfgInterpreter]: Interpretation finished
[2023-12-02 14:55:19,090 WARN  L293               SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 480 DAG size of output: 480 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 14:55:28,922 WARN  L293               SmtUtils]: Spent 9.59s on a formula simplification. DAG size of input: 510 DAG size of output: 506 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 14:56:07,639 WARN  L293               SmtUtils]: Spent 9.06s on a formula simplification. DAG size of input: 503 DAG size of output: 503 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 14:56:36,828 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSifa [1592783070] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 14:56:36,828 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences.
[2023-12-02 14:56:36,828 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33
[2023-12-02 14:56:36,829 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789966721]
[2023-12-02 14:56:36,829 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 14:56:36,829 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2023-12-02 14:56:36,829 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 14:56:36,830 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2023-12-02 14:56:36,830 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=940, Unknown=0, NotChecked=0, Total=1056
[2023-12-02 14:56:36,831 INFO  L87              Difference]: Start difference. First operand 395 states and 583 transitions. Second operand  has 28 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20)
[2023-12-02 14:56:51,104 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 14:56:51,104 INFO  L93              Difference]: Finished difference Result 806 states and 1219 transitions.
[2023-12-02 14:56:51,104 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2023-12-02 14:56:51,104 INFO  L78                 Accepts]: Start accepts. Automaton has  has 28 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) Word has length 105
[2023-12-02 14:56:51,105 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 14:56:51,108 INFO  L225             Difference]: With dead ends: 806
[2023-12-02 14:56:51,108 INFO  L226             Difference]: Without dead ends: 474
[2023-12-02 14:56:51,109 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 98.7s TimeCoverageRelationStatistics Valid=116, Invalid=940, Unknown=0, NotChecked=0, Total=1056
[2023-12-02 14:56:51,110 INFO  L413           NwaCegarLoop]: 233 mSDtfsCounter, 217 mSDsluCounter, 3532 mSDsCounter, 0 mSdLazyCounter, 2545 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 3765 SdHoareTripleChecker+Invalid, 2553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time
[2023-12-02 14:56:51,110 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 3765 Invalid, 2553 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2545 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time]
[2023-12-02 14:56:51,111 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 474 states.
[2023-12-02 14:56:51,212 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 409.
[2023-12-02 14:56:51,212 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 409 states, 279 states have (on average 1.4301075268817205) internal successors, (399), 282 states have internal predecessors, (399), 102 states have call successors, (102), 27 states have call predecessors, (102), 27 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101)
[2023-12-02 14:56:51,215 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 602 transitions.
[2023-12-02 14:56:51,215 INFO  L78                 Accepts]: Start accepts. Automaton has 409 states and 602 transitions. Word has length 105
[2023-12-02 14:56:51,215 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 14:56:51,216 INFO  L495      AbstractCegarLoop]: Abstraction has 409 states and 602 transitions.
[2023-12-02 14:56:51,216 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20)
[2023-12-02 14:56:51,216 INFO  L276                IsEmpty]: Start isEmpty. Operand 409 states and 602 transitions.
[2023-12-02 14:56:51,218 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2023-12-02 14:56:51,218 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 14:56:51,218 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1]
[2023-12-02 14:56:51,225 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2023-12-02 14:56:51,418 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-02 14:56:51,419 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-02 14:56:51,419 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 14:56:51,419 INFO  L85        PathProgramCache]: Analyzing trace with hash -1697287770, now seen corresponding path program 1 times
[2023-12-02 14:56:51,419 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 14:56:51,420 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067651121]
[2023-12-02 14:56:51,420 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 14:56:51,420 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 14:56:51,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 14:56:51,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-12-02 14:56:51,602 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 14:56:51,602 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067651121]
[2023-12-02 14:56:51,603 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067651121] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-02 14:56:51,603 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983122052]
[2023-12-02 14:56:51,603 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 14:56:51,603 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-02 14:56:51,603 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3
[2023-12-02 14:56:51,604 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-02 14:56:51,607 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-12-02 14:56:51,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 14:56:51,933 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-02 14:56:51,939 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 14:56:51,962 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-12-02 14:56:51,962 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-02 14:56:52,034 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-12-02 14:56:52,035 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [983122052] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-02 14:56:52,035 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1268816020]
[2023-12-02 14:56:52,039 INFO  L159        IcfgInterpreter]: Started Sifa with 91 locations of interest
[2023-12-02 14:56:52,039 INFO  L166        IcfgInterpreter]: Building call graph
[2023-12-02 14:56:52,040 INFO  L171        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2023-12-02 14:56:52,040 INFO  L176        IcfgInterpreter]: Starting interpretation
[2023-12-02 14:56:52,040 INFO  L197        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2023-12-02 14:58:12,731 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs
[2023-12-02 14:58:12,895 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 539 for LOIs
[2023-12-02 14:58:14,640 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 548 for LOIs
[2023-12-02 14:58:16,352 INFO  L197        IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 471 for LOIs
[2023-12-02 14:58:17,075 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs
[2023-12-02 14:58:17,229 INFO  L180        IcfgInterpreter]: Interpretation finished
[2023-12-02 14:59:15,076 WARN  L293               SmtUtils]: Spent 11.47s on a formula simplification. DAG size of input: 576 DAG size of output: 571 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 14:59:26,594 WARN  L293               SmtUtils]: Spent 11.09s on a formula simplification. DAG size of input: 576 DAG size of output: 571 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 15:00:17,142 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSifa [1268816020] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 15:00:17,142 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences.
[2023-12-02 15:00:17,143 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38
[2023-12-02 15:00:17,143 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119430942]
[2023-12-02 15:00:17,143 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 15:00:17,144 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 33 states
[2023-12-02 15:00:17,144 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 15:00:17,145 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants.
[2023-12-02 15:00:17,145 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406
[2023-12-02 15:00:17,146 INFO  L87              Difference]: Start difference. First operand 409 states and 602 transitions. Second operand  has 33 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 10 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (22), 10 states have call predecessors, (22), 10 states have call successors, (22)
[2023-12-02 15:00:41,660 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 15:00:41,660 INFO  L93              Difference]: Finished difference Result 831 states and 1254 transitions.
[2023-12-02 15:00:41,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2023-12-02 15:00:41,661 INFO  L78                 Accepts]: Start accepts. Automaton has  has 33 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 10 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (22), 10 states have call predecessors, (22), 10 states have call successors, (22) Word has length 108
[2023-12-02 15:00:41,661 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 15:00:41,664 INFO  L225             Difference]: With dead ends: 831
[2023-12-02 15:00:41,665 INFO  L226             Difference]: Without dead ends: 499
[2023-12-02 15:00:41,666 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 119.9s TimeCoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406
[2023-12-02 15:00:41,667 INFO  L413           NwaCegarLoop]: 226 mSDtfsCounter, 58 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 3453 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 3893 SdHoareTripleChecker+Invalid, 3462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time
[2023-12-02 15:00:41,667 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 3893 Invalid, 3462 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3453 Invalid, 0 Unknown, 0 Unchecked, 24.1s Time]
[2023-12-02 15:00:41,668 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 499 states.
[2023-12-02 15:00:41,818 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 445.
[2023-12-02 15:00:41,819 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 445 states, 309 states have (on average 1.4271844660194175) internal successors, (441), 312 states have internal predecessors, (441), 105 states have call successors, (105), 30 states have call predecessors, (105), 30 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104)
[2023-12-02 15:00:41,821 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 650 transitions.
[2023-12-02 15:00:41,822 INFO  L78                 Accepts]: Start accepts. Automaton has 445 states and 650 transitions. Word has length 108
[2023-12-02 15:00:41,822 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 15:00:41,822 INFO  L495      AbstractCegarLoop]: Abstraction has 445 states and 650 transitions.
[2023-12-02 15:00:41,822 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 33 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 10 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (22), 10 states have call predecessors, (22), 10 states have call successors, (22)
[2023-12-02 15:00:41,822 INFO  L276                IsEmpty]: Start isEmpty. Operand 445 states and 650 transitions.
[2023-12-02 15:00:41,824 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2023-12-02 15:00:41,824 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 15:00:41,824 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1]
[2023-12-02 15:00:41,831 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2023-12-02 15:00:42,025 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-02 15:00:42,025 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-02 15:00:42,026 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 15:00:42,026 INFO  L85        PathProgramCache]: Analyzing trace with hash -1380452814, now seen corresponding path program 1 times
[2023-12-02 15:00:42,026 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 15:00:42,026 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515501092]
[2023-12-02 15:00:42,026 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 15:00:42,026 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 15:00:42,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 15:00:42,174 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-12-02 15:00:42,174 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 15:00:42,174 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515501092]
[2023-12-02 15:00:42,174 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515501092] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-02 15:00:42,175 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702509205]
[2023-12-02 15:00:42,175 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 15:00:42,175 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-02 15:00:42,175 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3
[2023-12-02 15:00:42,176 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-02 15:00:42,179 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-12-02 15:00:42,495 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 15:00:42,500 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-02 15:00:42,505 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 15:00:42,534 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-12-02 15:00:42,534 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-02 15:00:42,609 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-12-02 15:00:42,609 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [702509205] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-02 15:00:42,609 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1689869236]
[2023-12-02 15:00:42,613 INFO  L159        IcfgInterpreter]: Started Sifa with 90 locations of interest
[2023-12-02 15:00:42,613 INFO  L166        IcfgInterpreter]: Building call graph
[2023-12-02 15:00:42,614 INFO  L171        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2023-12-02 15:00:42,614 INFO  L176        IcfgInterpreter]: Starting interpretation
[2023-12-02 15:00:42,614 INFO  L197        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2023-12-02 15:01:37,186 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs
[2023-12-02 15:01:37,342 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs
[2023-12-02 15:01:37,498 INFO  L180        IcfgInterpreter]: Interpretation finished
[2023-12-02 15:02:33,431 WARN  L293               SmtUtils]: Spent 9.20s on a formula simplification. DAG size of input: 508 DAG size of output: 508 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 15:03:19,263 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSifa [1689869236] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 15:03:19,263 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences.
[2023-12-02 15:03:19,263 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [4, 4, 4] total 37
[2023-12-02 15:03:19,263 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015063422]
[2023-12-02 15:03:19,264 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 15:03:19,264 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 32 states
[2023-12-02 15:03:19,264 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 15:03:19,265 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants.
[2023-12-02 15:03:19,265 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1177, Unknown=0, NotChecked=0, Total=1332
[2023-12-02 15:03:19,265 INFO  L87              Difference]: Start difference. First operand 445 states and 650 transitions. Second operand  has 32 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19)
[2023-12-02 15:03:32,102 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 15:03:32,102 INFO  L93              Difference]: Finished difference Result 845 states and 1269 transitions.
[2023-12-02 15:03:32,103 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2023-12-02 15:03:32,103 INFO  L78                 Accepts]: Start accepts. Automaton has  has 32 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 107
[2023-12-02 15:03:32,104 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 15:03:32,108 INFO  L225             Difference]: With dead ends: 845
[2023-12-02 15:03:32,108 INFO  L226             Difference]: Without dead ends: 513
[2023-12-02 15:03:32,110 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 101.7s TimeCoverageRelationStatistics Valid=155, Invalid=1177, Unknown=0, NotChecked=0, Total=1332
[2023-12-02 15:03:32,111 INFO  L413           NwaCegarLoop]: 225 mSDtfsCounter, 52 mSDsluCounter, 3948 mSDsCounter, 0 mSdLazyCounter, 2603 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 4173 SdHoareTripleChecker+Invalid, 2611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time
[2023-12-02 15:03:32,111 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 4173 Invalid, 2611 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2603 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time]
[2023-12-02 15:03:32,113 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 513 states.
[2023-12-02 15:03:32,315 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 465.
[2023-12-02 15:03:32,316 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 465 states, 329 states have (on average 1.43161094224924) internal successors, (471), 332 states have internal predecessors, (471), 105 states have call successors, (105), 30 states have call predecessors, (105), 30 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104)
[2023-12-02 15:03:32,319 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 680 transitions.
[2023-12-02 15:03:32,319 INFO  L78                 Accepts]: Start accepts. Automaton has 465 states and 680 transitions. Word has length 107
[2023-12-02 15:03:32,320 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 15:03:32,320 INFO  L495      AbstractCegarLoop]: Abstraction has 465 states and 680 transitions.
[2023-12-02 15:03:32,320 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 32 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19)
[2023-12-02 15:03:32,320 INFO  L276                IsEmpty]: Start isEmpty. Operand 465 states and 680 transitions.
[2023-12-02 15:03:32,323 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2023-12-02 15:03:32,323 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 15:03:32,324 INFO  L195           NwaCegarLoop]: trace histogram [4, 3, 3, 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]
[2023-12-02 15:03:32,332 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-12-02 15:03:32,527 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-02 15:03:32,527 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-02 15:03:32,528 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 15:03:32,528 INFO  L85        PathProgramCache]: Analyzing trace with hash -1949816001, now seen corresponding path program 1 times
[2023-12-02 15:03:32,528 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 15:03:32,528 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325332741]
[2023-12-02 15:03:32,528 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 15:03:32,528 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 15:03:32,562 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 15:03:33,551 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2023-12-02 15:03:33,552 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 15:03:33,552 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325332741]
[2023-12-02 15:03:33,552 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325332741] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 15:03:33,552 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 15:03:33,552 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18
[2023-12-02 15:03:33,552 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135355241]
[2023-12-02 15:03:33,552 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 15:03:33,553 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2023-12-02 15:03:33,553 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 15:03:33,554 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2023-12-02 15:03:33,554 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306
[2023-12-02 15:03:33,554 INFO  L87              Difference]: Start difference. First operand 465 states and 680 transitions. Second operand  has 18 states, 13 states have (on average 4.153846153846154) internal successors, (54), 15 states have internal predecessors, (54), 11 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20)
[2023-12-02 15:03:35,257 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 15:03:35,258 INFO  L93              Difference]: Finished difference Result 800 states and 1118 transitions.
[2023-12-02 15:03:35,258 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2023-12-02 15:03:35,258 INFO  L78                 Accepts]: Start accepts. Automaton has  has 18 states, 13 states have (on average 4.153846153846154) internal successors, (54), 15 states have internal predecessors, (54), 11 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) Word has length 110
[2023-12-02 15:03:35,259 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 15:03:35,263 INFO  L225             Difference]: With dead ends: 800
[2023-12-02 15:03:35,263 INFO  L226             Difference]: Without dead ends: 644
[2023-12-02 15:03:35,265 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=171, Invalid=885, Unknown=0, NotChecked=0, Total=1056
[2023-12-02 15:03:35,265 INFO  L413           NwaCegarLoop]: 308 mSDtfsCounter, 643 mSDsluCounter, 2895 mSDsCounter, 0 mSdLazyCounter, 2629 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 3203 SdHoareTripleChecker+Invalid, 2855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 2629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2023-12-02 15:03:35,265 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 3203 Invalid, 2855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 2629 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2023-12-02 15:03:35,267 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 644 states.
[2023-12-02 15:03:35,550 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 632.
[2023-12-02 15:03:35,551 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 632 states, 427 states have (on average 1.3723653395784543) internal successors, (586), 430 states have internal predecessors, (586), 157 states have call successors, (157), 47 states have call predecessors, (157), 47 states have return successors, (157), 156 states have call predecessors, (157), 155 states have call successors, (157)
[2023-12-02 15:03:35,556 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 900 transitions.
[2023-12-02 15:03:35,556 INFO  L78                 Accepts]: Start accepts. Automaton has 632 states and 900 transitions. Word has length 110
[2023-12-02 15:03:35,556 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 15:03:35,556 INFO  L495      AbstractCegarLoop]: Abstraction has 632 states and 900 transitions.
[2023-12-02 15:03:35,557 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 18 states, 13 states have (on average 4.153846153846154) internal successors, (54), 15 states have internal predecessors, (54), 11 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20)
[2023-12-02 15:03:35,557 INFO  L276                IsEmpty]: Start isEmpty. Operand 632 states and 900 transitions.
[2023-12-02 15:03:35,560 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2023-12-02 15:03:35,560 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 15:03:35,560 INFO  L195           NwaCegarLoop]: trace histogram [4, 3, 3, 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, 1, 1, 1, 1, 1, 1]
[2023-12-02 15:03:35,560 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-12-02 15:03:35,561 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-02 15:03:35,561 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 15:03:35,561 INFO  L85        PathProgramCache]: Analyzing trace with hash -1427767698, now seen corresponding path program 1 times
[2023-12-02 15:03:35,561 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 15:03:35,561 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274404984]
[2023-12-02 15:03:35,561 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 15:03:35,561 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 15:03:35,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 15:03:36,443 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2023-12-02 15:03:36,443 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 15:03:36,444 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274404984]
[2023-12-02 15:03:36,444 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274404984] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 15:03:36,444 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 15:03:36,444 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16
[2023-12-02 15:03:36,444 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455246831]
[2023-12-02 15:03:36,444 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 15:03:36,444 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-12-02 15:03:36,445 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 15:03:36,445 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-12-02 15:03:36,445 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240
[2023-12-02 15:03:36,446 INFO  L87              Difference]: Start difference. First operand 632 states and 900 transitions. Second operand  has 16 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 14 states have internal predecessors, (56), 12 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 11 states have call predecessors, (22), 11 states have call successors, (22)
[2023-12-02 15:03:37,956 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 15:03:37,956 INFO  L93              Difference]: Finished difference Result 1201 states and 1626 transitions.
[2023-12-02 15:03:37,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2023-12-02 15:03:37,957 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 14 states have internal predecessors, (56), 12 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 11 states have call predecessors, (22), 11 states have call successors, (22) Word has length 116
[2023-12-02 15:03:37,957 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 15:03:37,963 INFO  L225             Difference]: With dead ends: 1201
[2023-12-02 15:03:37,964 INFO  L226             Difference]: Without dead ends: 921
[2023-12-02 15:03:37,966 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=539, Unknown=0, NotChecked=0, Total=702
[2023-12-02 15:03:37,967 INFO  L413           NwaCegarLoop]: 228 mSDtfsCounter, 564 mSDsluCounter, 2231 mSDsCounter, 0 mSdLazyCounter, 2264 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 2459 SdHoareTripleChecker+Invalid, 2494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 2264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2023-12-02 15:03:37,967 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 2459 Invalid, 2494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 2264 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2023-12-02 15:03:37,969 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 921 states.
[2023-12-02 15:03:38,191 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 907.
[2023-12-02 15:03:38,192 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 907 states, 580 states have (on average 1.3155172413793104) internal successors, (763), 591 states have internal predecessors, (763), 244 states have call successors, (244), 80 states have call predecessors, (244), 82 states have return successors, (246), 240 states have call predecessors, (246), 240 states have call successors, (246)
[2023-12-02 15:03:38,197 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1253 transitions.
[2023-12-02 15:03:38,197 INFO  L78                 Accepts]: Start accepts. Automaton has 907 states and 1253 transitions. Word has length 116
[2023-12-02 15:03:38,198 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 15:03:38,198 INFO  L495      AbstractCegarLoop]: Abstraction has 907 states and 1253 transitions.
[2023-12-02 15:03:38,198 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 14 states have internal predecessors, (56), 12 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 11 states have call predecessors, (22), 11 states have call successors, (22)
[2023-12-02 15:03:38,198 INFO  L276                IsEmpty]: Start isEmpty. Operand 907 states and 1253 transitions.
[2023-12-02 15:03:38,201 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2023-12-02 15:03:38,202 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 15:03:38,202 INFO  L195           NwaCegarLoop]: trace histogram [4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 15:03:38,202 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-12-02 15:03:38,202 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-02 15:03:38,202 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 15:03:38,202 INFO  L85        PathProgramCache]: Analyzing trace with hash -188196090, now seen corresponding path program 1 times
[2023-12-02 15:03:38,203 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 15:03:38,203 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327188577]
[2023-12-02 15:03:38,203 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 15:03:38,203 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 15:03:38,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 15:03:38,414 INFO  L134       CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2023-12-02 15:03:38,414 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 15:03:38,414 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327188577]
[2023-12-02 15:03:38,415 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327188577] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-02 15:03:38,415 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89498020]
[2023-12-02 15:03:38,415 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 15:03:38,415 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-02 15:03:38,415 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3
[2023-12-02 15:03:38,416 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-02 15:03:38,419 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab1554c-6ebf-403a-b9a3-b38329e02a61/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-12-02 15:03:38,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 15:03:38,804 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-12-02 15:03:38,809 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 15:03:38,839 INFO  L134       CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2023-12-02 15:03:38,840 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-02 15:03:38,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2023-12-02 15:03:38,940 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [89498020] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-02 15:03:38,940 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [362084849]
[2023-12-02 15:03:38,944 INFO  L159        IcfgInterpreter]: Started Sifa with 104 locations of interest
[2023-12-02 15:03:38,945 INFO  L166        IcfgInterpreter]: Building call graph
[2023-12-02 15:03:38,945 INFO  L171        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2023-12-02 15:03:38,946 INFO  L176        IcfgInterpreter]: Starting interpretation
[2023-12-02 15:03:38,946 INFO  L197        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2023-12-02 15:04:38,524 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs
[2023-12-02 15:04:38,681 INFO  L197        IcfgInterpreter]: Interpreting procedure sendEmail with input of size 256 for LOIs
[2023-12-02 15:04:42,257 INFO  L197        IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 224 for LOIs
[2023-12-02 15:04:42,382 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 248 for LOIs
[2023-12-02 15:04:42,612 INFO  L197        IcfgInterpreter]: Interpreting procedure outgoing with input of size 254 for LOIs
[2023-12-02 15:05:07,871 INFO  L197        IcfgInterpreter]: Interpreting procedure isReadable with input of size 258 for LOIs
[2023-12-02 15:05:09,483 INFO  L197        IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 258 for LOIs
[2023-12-02 15:05:09,702 INFO  L197        IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 263 for LOIs
[2023-12-02 15:05:10,616 INFO  L197        IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 232 for LOIs
[2023-12-02 15:05:10,908 INFO  L197        IcfgInterpreter]: Interpreting procedure getEmailFrom with input of size 243 for LOIs
[2023-12-02 15:05:11,045 INFO  L197        IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 227 for LOIs
[2023-12-02 15:05:11,185 INFO  L197        IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 228 for LOIs
[2023-12-02 15:05:11,310 INFO  L197        IcfgInterpreter]: Interpreting procedure isSigned with input of size 241 for LOIs
[2023-12-02 15:05:11,443 INFO  L180        IcfgInterpreter]: Interpretation finished