./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product22.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
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_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ --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 25d1aac916acb353bef6b5512adabc0f3abdf00fe5619505211974e4efa18990
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 04:50:32,537 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 04:50:32,606 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf
[2023-11-19 04:50:32,612 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 04:50:32,613 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 04:50:32,639 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 04:50:32,640 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 04:50:32,640 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 04:50:32,641 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 04:50:32,642 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 04:50:32,642 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2023-11-19 04:50:32,643 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-11-19 04:50:32,644 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2023-11-19 04:50:32,644 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-11-19 04:50:32,645 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2023-11-19 04:50:32,646 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-11-19 04:50:32,646 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-11-19 04:50:32,647 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-11-19 04:50:32,647 INFO  L153        SettingsManager]:  * Interval Domain=false
[2023-11-19 04:50:32,648 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-11-19 04:50:32,649 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-11-19 04:50:32,649 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-11-19 04:50:32,650 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 04:50:32,651 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 04:50:32,652 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 04:50:32,652 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 04:50:32,653 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 04:50:32,653 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 04:50:32,654 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 04:50:32,654 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 04:50:32,655 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 04:50:32,655 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 04:50:32,656 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 04:50:32,656 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 04:50:32,657 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 04:50:32,657 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 04:50:32,658 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 04:50:32,658 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 04:50:32,659 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 04:50:32,659 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 04:50:32,660 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-11-19 04:50:32,660 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 04:50:32,661 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 04:50:32,661 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-11-19 04:50:32,662 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 04:50:32,662 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_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/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_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ
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 -> 25d1aac916acb353bef6b5512adabc0f3abdf00fe5619505211974e4efa18990
[2023-11-19 04:50:32,937 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 04:50:32,961 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 04:50:32,964 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 04:50:32,968 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 04:50:32,970 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 04:50:32,972 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/product-lines/email_spec11_product22.cil.c
[2023-11-19 04:50:36,198 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 04:50:36,590 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 04:50:36,591 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/sv-benchmarks/c/product-lines/email_spec11_product22.cil.c
[2023-11-19 04:50:36,615 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/data/d8389a5ca/d68c6e5edd19499780e2583b711dcf27/FLAGef83fd001
[2023-11-19 04:50:36,629 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/data/d8389a5ca/d68c6e5edd19499780e2583b711dcf27
[2023-11-19 04:50:36,632 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 04:50:36,634 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 04:50:36,635 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 04:50:36,636 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 04:50:36,642 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 04:50:36,642 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:36" (1/1) ...
[2023-11-19 04:50:36,643 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532ba0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:36, skipping insertion in model container
[2023-11-19 04:50:36,644 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:36" (1/1) ...
[2023-11-19 04:50:36,748 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 04:50:37,397 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_9186e1d6-1e71-4321-992d-c0c57c964512/sv-benchmarks/c/product-lines/email_spec11_product22.cil.c[40875,40888]
[2023-11-19 04:50:37,550 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 04:50:37,575 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 04:50:37,588 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48]
[2023-11-19 04:50:37,590 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [66]
[2023-11-19 04:50:37,590 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [99]
[2023-11-19 04:50:37,590 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [210]
[2023-11-19 04:50:37,591 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520]
[2023-11-19 04:50:37,591 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [749]
[2023-11-19 04:50:37,591 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1822]
[2023-11-19 04:50:37,591 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1831]
[2023-11-19 04:50:37,592 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2119]
[2023-11-19 04:50:37,592 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2485]
[2023-11-19 04:50:37,592 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2520]
[2023-11-19 04:50:37,645 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_9186e1d6-1e71-4321-992d-c0c57c964512/sv-benchmarks/c/product-lines/email_spec11_product22.cil.c[40875,40888]
[2023-11-19 04:50:37,725 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 04:50:37,794 WARN  L675               CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 04:50:37,803 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 04:50:37,803 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:37 WrapperNode
[2023-11-19 04:50:37,803 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 04:50:37,805 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 04:50:37,805 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 04:50:37,805 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 04:50:37,813 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:37" (1/1) ...
[2023-11-19 04:50:37,842 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:37" (1/1) ...
[2023-11-19 04:50:37,922 INFO  L138                Inliner]: procedures = 128, calls = 205, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 1021
[2023-11-19 04:50:37,923 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 04:50:37,924 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 04:50:37,930 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 04:50:37,930 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 04:50:37,941 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:37" (1/1) ...
[2023-11-19 04:50:37,942 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:37" (1/1) ...
[2023-11-19 04:50:37,948 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:37" (1/1) ...
[2023-11-19 04:50:37,949 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:37" (1/1) ...
[2023-11-19 04:50:37,972 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:37" (1/1) ...
[2023-11-19 04:50:37,982 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:37" (1/1) ...
[2023-11-19 04:50:37,990 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:37" (1/1) ...
[2023-11-19 04:50:37,995 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:37" (1/1) ...
[2023-11-19 04:50:38,006 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 04:50:38,007 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 04:50:38,008 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 04:50:38,008 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 04:50:38,009 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:37" (1/1) ...
[2023-11-19 04:50:38,025 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 04:50:38,043 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/z3
[2023-11-19 04:50:38,062 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 04:50:38,075 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 04:50:38,124 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey
[2023-11-19 04:50:38,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey
[2023-11-19 04:50:38,124 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey
[2023-11-19 04:50:38,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey
[2023-11-19 04:50:38,125 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailTo
[2023-11-19 04:50:38,126 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailTo
[2023-11-19 04:50:38,126 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailFrom
[2023-11-19 04:50:38,126 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailFrom
[2023-11-19 04:50:38,126 INFO  L130     BoogieDeclarations]: Found specification of procedure isReadable
[2023-11-19 04:50:38,127 INFO  L138     BoogieDeclarations]: Found implementation of procedure isReadable
[2023-11-19 04:50:38,127 INFO  L130     BoogieDeclarations]: Found specification of procedure createClientKeyringEntry
[2023-11-19 04:50:38,127 INFO  L138     BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry
[2023-11-19 04:50:38,129 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted
[2023-11-19 04:50:38,129 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted
[2023-11-19 04:50:38,129 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckKeyAdd
[2023-11-19 04:50:38,129 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckKeyAdd
[2023-11-19 04:50:38,132 INFO  L130     BoogieDeclarations]: Found specification of procedure puts
[2023-11-19 04:50:38,132 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailFrom
[2023-11-19 04:50:38,132 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailFrom
[2023-11-19 04:50:38,133 INFO  L130     BoogieDeclarations]: Found specification of procedure queue
[2023-11-19 04:50:38,133 INFO  L138     BoogieDeclarations]: Found implementation of procedure queue
[2023-11-19 04:50:38,133 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientId
[2023-11-19 04:50:38,133 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientId
[2023-11-19 04:50:38,134 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 04:50:38,134 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringUser
[2023-11-19 04:50:38,134 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringUser
[2023-11-19 04:50:38,135 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey
[2023-11-19 04:50:38,135 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey
[2023-11-19 04:50:38,135 INFO  L130     BoogieDeclarations]: Found specification of procedure outgoing
[2023-11-19 04:50:38,135 INFO  L138     BoogieDeclarations]: Found implementation of procedure outgoing
[2023-11-19 04:50:38,135 INFO  L130     BoogieDeclarations]: Found specification of procedure sendEmail
[2023-11-19 04:50:38,135 INFO  L138     BoogieDeclarations]: Found implementation of procedure sendEmail
[2023-11-19 04:50:38,136 INFO  L130     BoogieDeclarations]: Found specification of procedure isEncrypted
[2023-11-19 04:50:38,136 INFO  L138     BoogieDeclarations]: Found implementation of procedure isEncrypted
[2023-11-19 04:50:38,136 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientPrivateKey
[2023-11-19 04:50:38,136 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientPrivateKey
[2023-11-19 04:50:38,136 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailTo
[2023-11-19 04:50:38,136 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailTo
[2023-11-19 04:50:38,136 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 04:50:38,137 INFO  L130     BoogieDeclarations]: Found specification of procedure generateKeyPair
[2023-11-19 04:50:38,137 INFO  L138     BoogieDeclarations]: Found implementation of procedure generateKeyPair
[2023-11-19 04:50:38,137 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 04:50:38,137 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 04:50:38,424 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 04:50:38,427 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 04:50:39,308 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 04:50:39,890 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 04:50:39,890 INFO  L302             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 04:50:39,903 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:50:39 BoogieIcfgContainer
[2023-11-19 04:50:39,903 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 04:50:39,907 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 04:50:39,908 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 04:50:39,911 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 04:50:39,911 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:50:36" (1/3) ...
[2023-11-19 04:50:39,912 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f7ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:50:39, skipping insertion in model container
[2023-11-19 04:50:39,912 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:37" (2/3) ...
[2023-11-19 04:50:39,914 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f7ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:50:39, skipping insertion in model container
[2023-11-19 04:50:39,914 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:50:39" (3/3) ...
[2023-11-19 04:50:39,916 INFO  L112   eAbstractionObserver]: Analyzing ICFG email_spec11_product22.cil.c
[2023-11-19 04:50:39,936 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 04:50:39,937 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 04:50:40,003 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 04:50:40,008 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;@228f16dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-19 04:50:40,009 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 04:50:40,014 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 171 states, 100 states have (on average 1.34) internal successors, (134), 104 states have internal predecessors, (134), 50 states have call successors, (50), 19 states have call predecessors, (50), 19 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2023-11-19 04:50:40,029 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 04:50:40,029 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 04:50:40,030 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 04:50:40,031 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 04:50:40,040 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 04:50:40,041 INFO  L85        PathProgramCache]: Analyzing trace with hash -847345567, now seen corresponding path program 1 times
[2023-11-19 04:50:40,052 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-19 04:50:40,053 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363568872]
[2023-11-19 04:50:40,054 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 04:50:40,054 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 04:50:40,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 04:50:40,446 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-19 04:50:40,447 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-19 04:50:40,447 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363568872]
[2023-11-19 04:50:40,448 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363568872] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 04:50:40,448 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 04:50:40,449 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 04:50:40,450 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315438616]
[2023-11-19 04:50:40,451 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 04:50:40,456 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 04:50:40,456 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-19 04:50:40,497 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 04:50:40,497 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 04:50:40,500 INFO  L87              Difference]: Start difference. First operand  has 171 states, 100 states have (on average 1.34) internal successors, (134), 104 states have internal predecessors, (134), 50 states have call successors, (50), 19 states have call predecessors, (50), 19 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2023-11-19 04:50:40,626 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 04:50:40,627 INFO  L93              Difference]: Finished difference Result 259 states and 346 transitions.
[2023-11-19 04:50:40,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-19 04:50:40,630 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 66
[2023-11-19 04:50:40,630 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 04:50:40,647 INFO  L225             Difference]: With dead ends: 259
[2023-11-19 04:50:40,648 INFO  L226             Difference]: Without dead ends: 168
[2023-11-19 04:50:40,652 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
[2023-11-19 04:50:40,656 INFO  L413           NwaCegarLoop]: 196 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 04:50:40,657 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 196 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 04:50:40,675 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 168 states.
[2023-11-19 04:50:40,708 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168.
[2023-11-19 04:50:40,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 168 states, 98 states have (on average 1.3061224489795917) internal successors, (128), 101 states have internal predecessors, (128), 50 states have call successors, (50), 19 states have call predecessors, (50), 19 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49)
[2023-11-19 04:50:40,714 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 227 transitions.
[2023-11-19 04:50:40,715 INFO  L78                 Accepts]: Start accepts. Automaton has 168 states and 227 transitions. Word has length 66
[2023-11-19 04:50:40,717 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 04:50:40,717 INFO  L495      AbstractCegarLoop]: Abstraction has 168 states and 227 transitions.
[2023-11-19 04:50:40,718 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2023-11-19 04:50:40,718 INFO  L276                IsEmpty]: Start isEmpty. Operand 168 states and 227 transitions.
[2023-11-19 04:50:40,723 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2023-11-19 04:50:40,723 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 04:50:40,723 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 04:50:40,724 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 04:50:40,724 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 04:50:40,725 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 04:50:40,725 INFO  L85        PathProgramCache]: Analyzing trace with hash -762319536, now seen corresponding path program 1 times
[2023-11-19 04:50:40,725 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-19 04:50:40,726 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800416629]
[2023-11-19 04:50:40,726 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 04:50:40,726 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 04:50:40,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 04:50:41,041 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-19 04:50:41,042 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-19 04:50:41,043 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800416629]
[2023-11-19 04:50:41,043 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800416629] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 04:50:41,043 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 04:50:41,044 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 04:50:41,044 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424442833]
[2023-11-19 04:50:41,044 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 04:50:41,047 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 04:50:41,047 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-19 04:50:41,048 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 04:50:41,048 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 04:50:41,049 INFO  L87              Difference]: Start difference. First operand 168 states and 227 transitions. Second operand  has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2023-11-19 04:50:41,247 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 04:50:41,248 INFO  L93              Difference]: Finished difference Result 255 states and 334 transitions.
[2023-11-19 04:50:41,251 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 04:50:41,252 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67
[2023-11-19 04:50:41,253 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 04:50:41,259 INFO  L225             Difference]: With dead ends: 255
[2023-11-19 04:50:41,260 INFO  L226             Difference]: Without dead ends: 170
[2023-11-19 04:50:41,306 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
[2023-11-19 04:50:41,308 INFO  L413           NwaCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 04:50:41,309 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 385 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 04:50:41,314 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 170 states.
[2023-11-19 04:50:41,346 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170.
[2023-11-19 04:50:41,349 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 170 states, 100 states have (on average 1.3) internal successors, (130), 103 states have internal predecessors, (130), 50 states have call successors, (50), 19 states have call predecessors, (50), 19 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49)
[2023-11-19 04:50:41,352 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 229 transitions.
[2023-11-19 04:50:41,353 INFO  L78                 Accepts]: Start accepts. Automaton has 170 states and 229 transitions. Word has length 67
[2023-11-19 04:50:41,353 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 04:50:41,353 INFO  L495      AbstractCegarLoop]: Abstraction has 170 states and 229 transitions.
[2023-11-19 04:50:41,354 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2023-11-19 04:50:41,354 INFO  L276                IsEmpty]: Start isEmpty. Operand 170 states and 229 transitions.
[2023-11-19 04:50:41,363 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2023-11-19 04:50:41,364 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 04:50:41,364 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 04:50:41,365 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 04:50:41,365 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 04:50:41,370 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 04:50:41,375 INFO  L85        PathProgramCache]: Analyzing trace with hash 2058857704, now seen corresponding path program 1 times
[2023-11-19 04:50:41,376 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-19 04:50:41,376 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854610602]
[2023-11-19 04:50:41,377 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 04:50:41,377 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 04:50:41,444 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 04:50:41,609 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-19 04:50:41,610 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-19 04:50:41,610 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854610602]
[2023-11-19 04:50:41,610 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854610602] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 04:50:41,610 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 04:50:41,611 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 04:50:41,611 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294999970]
[2023-11-19 04:50:41,611 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 04:50:41,612 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 04:50:41,612 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-19 04:50:41,613 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 04:50:41,613 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 04:50:41,614 INFO  L87              Difference]: Start difference. First operand 170 states and 229 transitions. Second operand  has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2023-11-19 04:50:41,738 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 04:50:41,738 INFO  L93              Difference]: Finished difference Result 370 states and 517 transitions.
[2023-11-19 04:50:41,739 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 04:50:41,739 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 72
[2023-11-19 04:50:41,739 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 04:50:41,742 INFO  L225             Difference]: With dead ends: 370
[2023-11-19 04:50:41,742 INFO  L226             Difference]: Without dead ends: 218
[2023-11-19 04:50:41,743 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
[2023-11-19 04:50:41,745 INFO  L413           NwaCegarLoop]: 207 mSDtfsCounter, 57 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 04:50:41,746 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 04:50:41,747 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 218 states.
[2023-11-19 04:50:41,779 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 213.
[2023-11-19 04:50:41,780 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 213 states, 132 states have (on average 1.3863636363636365) internal successors, (183), 135 states have internal predecessors, (183), 61 states have call successors, (61), 19 states have call predecessors, (61), 19 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2023-11-19 04:50:41,785 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 304 transitions.
[2023-11-19 04:50:41,785 INFO  L78                 Accepts]: Start accepts. Automaton has 213 states and 304 transitions. Word has length 72
[2023-11-19 04:50:41,787 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 04:50:41,787 INFO  L495      AbstractCegarLoop]: Abstraction has 213 states and 304 transitions.
[2023-11-19 04:50:41,787 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2023-11-19 04:50:41,788 INFO  L276                IsEmpty]: Start isEmpty. Operand 213 states and 304 transitions.
[2023-11-19 04:50:41,791 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2023-11-19 04:50:41,792 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 04:50:41,792 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 04:50:41,792 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 04:50:41,792 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 04:50:41,793 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 04:50:41,793 INFO  L85        PathProgramCache]: Analyzing trace with hash 1946662626, now seen corresponding path program 1 times
[2023-11-19 04:50:41,794 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-19 04:50:41,794 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939784304]
[2023-11-19 04:50:41,794 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 04:50:41,794 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 04:50:41,839 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 04:50:42,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-19 04:50:42,044 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-19 04:50:42,044 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939784304]
[2023-11-19 04:50:42,044 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939784304] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 04:50:42,045 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843888353]
[2023-11-19 04:50:42,045 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 04:50:42,045 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 04:50:42,045 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/z3
[2023-11-19 04:50:42,047 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 04:50:42,072 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9186e1d6-1e71-4321-992d-c0c57c964512/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 04:50:42,438 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 04:50:42,445 INFO  L262         TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 04:50:42,456 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 04:50:42,534 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-19 04:50:42,535 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 04:50:42,615 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-19 04:50:42,616 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843888353] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 04:50:42,616 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1825610237]
[2023-11-19 04:50:42,644 INFO  L159        IcfgInterpreter]: Started Sifa with 60 locations of interest
[2023-11-19 04:50:42,644 INFO  L166        IcfgInterpreter]: Building call graph
[2023-11-19 04:50:42,651 INFO  L171        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2023-11-19 04:50:42,657 INFO  L176        IcfgInterpreter]: Starting interpretation
[2023-11-19 04:50:42,658 INFO  L197        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2023-11-19 04:51:29,397 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs
[2023-11-19 04:51:29,572 INFO  L197        IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs
[2023-11-19 04:51:29,829 INFO  L180        IcfgInterpreter]: Interpretation finished