/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec9_product16.cil.c


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


This is Ultimate 0.1.24-fb55353
[2019-11-06 21:51:49,337 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-06 21:51:49,339 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-06 21:51:49,351 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-06 21:51:49,352 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-06 21:51:49,353 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-06 21:51:49,354 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-06 21:51:49,356 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-06 21:51:49,358 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-06 21:51:49,359 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-06 21:51:49,360 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-06 21:51:49,361 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-06 21:51:49,361 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-06 21:51:49,362 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-06 21:51:49,363 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-06 21:51:49,364 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-06 21:51:49,365 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-06 21:51:49,365 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-06 21:51:49,367 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-06 21:51:49,369 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-06 21:51:49,371 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-06 21:51:49,375 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-06 21:51:49,376 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-06 21:51:49,378 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-06 21:51:49,383 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-06 21:51:49,383 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-06 21:51:49,383 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-06 21:51:49,384 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-06 21:51:49,385 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-06 21:51:49,386 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-06 21:51:49,386 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-06 21:51:49,388 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-06 21:51:49,390 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-06 21:51:49,391 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-06 21:51:49,392 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-06 21:51:49,392 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-06 21:51:49,392 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-06 21:51:49,396 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-06 21:51:49,396 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-06 21:51:49,397 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-06 21:51:49,398 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-06 21:51:49,399 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-06 21:51:49,425 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-06 21:51:49,425 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-06 21:51:49,427 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-06 21:51:49,427 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-06 21:51:49,427 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-06 21:51:49,428 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-06 21:51:49,428 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-06 21:51:49,428 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-06 21:51:49,428 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-06 21:51:49,428 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-06 21:51:49,429 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-06 21:51:49,429 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-06 21:51:49,430 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-06 21:51:49,430 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-06 21:51:49,430 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-06 21:51:49,430 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-06 21:51:49,430 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-06 21:51:49,431 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-06 21:51:49,431 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-06 21:51:49,431 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-06 21:51:49,431 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-06 21:51:49,432 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-06 21:51:49,432 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-06 21:51:49,432 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-06 21:51:49,432 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-06 21:51:49,432 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-06 21:51:49,433 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-06 21:51:49,433 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-06 21:51:49,433 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-06 21:51:49,720 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-06 21:51:49,734 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-06 21:51:49,737 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-06 21:51:49,739 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-06 21:51:49,739 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-06 21:51:49,740 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product16.cil.c
[2019-11-06 21:51:49,807 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e47ccc4/b17a3475d01c40a7b555256962464184/FLAG318bd2dd5
[2019-11-06 21:51:50,437 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-06 21:51:50,438 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product16.cil.c
[2019-11-06 21:51:50,468 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e47ccc4/b17a3475d01c40a7b555256962464184/FLAG318bd2dd5
[2019-11-06 21:51:50,637 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e47ccc4/b17a3475d01c40a7b555256962464184
[2019-11-06 21:51:50,645 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-06 21:51:50,646 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-11-06 21:51:50,647 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-06 21:51:50,647 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-06 21:51:50,652 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-06 21:51:50,653 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:51:50" (1/1) ...
[2019-11-06 21:51:50,656 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60924fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:50, skipping insertion in model container
[2019-11-06 21:51:50,656 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:51:50" (1/1) ...
[2019-11-06 21:51:50,664 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-06 21:51:50,739 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-06 21:51:51,527 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:51:51,553 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-06 21:51:51,743 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:51:51,894 INFO  L192         MainTranslator]: Completed translation
[2019-11-06 21:51:51,895 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:51 WrapperNode
[2019-11-06 21:51:51,896 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-06 21:51:51,897 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-06 21:51:51,898 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-06 21:51:51,898 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-06 21:51:51,913 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:51" (1/1) ...
[2019-11-06 21:51:51,913 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:51" (1/1) ...
[2019-11-06 21:51:51,974 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:51" (1/1) ...
[2019-11-06 21:51:51,974 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:51" (1/1) ...
[2019-11-06 21:51:52,051 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:51" (1/1) ...
[2019-11-06 21:51:52,074 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:51" (1/1) ...
[2019-11-06 21:51:52,085 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:51" (1/1) ...
[2019-11-06 21:51:52,102 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-06 21:51:52,103 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-06 21:51:52,103 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-06 21:51:52,103 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-06 21:51:52,104 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:51" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-06 21:51:52,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-11-06 21:51:52,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-06 21:51:52,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-11-06 21:51:52,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1
[2019-11-06 21:51:52,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2
[2019-11-06 21:51:52,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys
[2019-11-06 21:51:52,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure printMail
[2019-11-06 21:51:52,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys
[2019-11-06 21:51:52,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure isReadable
[2019-11-06 21:51:52,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure cloneEmail
[2019-11-06 21:51:52,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure createEmail
[2019-11-06 21:51:52,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure prompt
[2019-11-06 21:51:52,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-11-06 21:51:52,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-11-06 21:51:52,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-11-06 21:51:52,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-11-06 21:51:52,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-11-06 21:51:52,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-11-06 21:51:52,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure initEmail
[2019-11-06 21:51:52,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailId
[2019-11-06 21:51:52,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailId
[2019-11-06 21:51:52,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailFrom
[2019-11-06 21:51:52,195 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailFrom
[2019-11-06 21:51:52,195 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailTo
[2019-11-06 21:51:52,195 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailTo
[2019-11-06 21:51:52,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailSubject
[2019-11-06 21:51:52,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailSubject
[2019-11-06 21:51:52,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailBody
[2019-11-06 21:51:52,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailBody
[2019-11-06 21:51:52,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure isEncrypted
[2019-11-06 21:51:52,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted
[2019-11-06 21:51:52,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey
[2019-11-06 21:51:52,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey
[2019-11-06 21:51:52,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure isSigned
[2019-11-06 21:51:52,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailIsSigned
[2019-11-06 21:51:52,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailSignKey
[2019-11-06 21:51:52,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailSignKey
[2019-11-06 21:51:52,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure isVerified
[2019-11-06 21:51:52,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified
[2019-11-06 21:51:52,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure mail
[2019-11-06 21:51:52,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys
[2019-11-06 21:51:52,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure outgoing
[2019-11-06 21:51:52,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure deliver
[2019-11-06 21:51:52,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt
[2019-11-06 21:51:52,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward
[2019-11-06 21:51:52,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure incoming
[2019-11-06 21:51:52,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure createClient
[2019-11-06 21:51:52,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure sendEmail
[2019-11-06 21:51:52,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure queue
[2019-11-06 21:51:52,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure is_queue_empty
[2019-11-06 21:51:52,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_queued_client
[2019-11-06 21:51:52,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_queued_email
[2019-11-06 21:51:52,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure isKeyPairValid
[2019-11-06 21:51:52,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure generateKeyPair
[2019-11-06 21:51:52,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure forward
[2019-11-06 21:51:52,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-11-06 21:51:52,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-11-06 21:51:52,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-11-06 21:51:52,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-11-06 21:51:52,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-11-06 21:51:52,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-11-06 21:51:52,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base
[2019-11-06 21:51:52,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_bob
[2019-11-06 21:51:52,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base
[2019-11-06 21:51:52,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_rjh
[2019-11-06 21:51:52,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base
[2019-11-06 21:51:52,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_chuck
[2019-11-06 21:51:52,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobToRjh
[2019-11-06 21:51:52,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhToBob
[2019-11-06 21:51:52,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-11-06 21:51:52,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-11-06 21:51:52,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobKeyAdd
[2019-11-06 21:51:52,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhKeyAdd
[2019-11-06 21:51:52,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck
[2019-11-06 21:51:52,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck
[2019-11-06 21:51:52,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckKeyAdd
[2019-11-06 21:51:52,203 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh
[2019-11-06 21:51:52,203 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey
[2019-11-06 21:51:52,203 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobKeyChange
[2019-11-06 21:51:52,203 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhKeyChange
[2019-11-06 21:51:52,203 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding
[2019-11-06 21:51:52,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure initClient
[2019-11-06 21:51:52,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientName
[2019-11-06 21:51:52,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientName
[2019-11-06 21:51:52,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientOutbuffer
[2019-11-06 21:51:52,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientOutbuffer
[2019-11-06 21:51:52,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize
[2019-11-06 21:51:52,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize
[2019-11-06 21:51:52,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry
[2019-11-06 21:51:52,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias
[2019-11-06 21:51:52,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias
[2019-11-06 21:51:52,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias
[2019-11-06 21:51:52,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress
[2019-11-06 21:51:52,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress
[2019-11-06 21:51:52,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientAutoResponse
[2019-11-06 21:51:52,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientAutoResponse
[2019-11-06 21:51:52,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientPrivateKey
[2019-11-06 21:51:52,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientPrivateKey
[2019-11-06 21:51:52,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientKeyringSize
[2019-11-06 21:51:52,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringSize
[2019-11-06 21:51:52,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry
[2019-11-06 21:51:52,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientKeyringUser
[2019-11-06 21:51:52,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringUser
[2019-11-06 21:51:52,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey
[2019-11-06 21:51:52,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure findPublicKey
[2019-11-06 21:51:52,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey
[2019-11-06 21:51:52,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver
[2019-11-06 21:51:52,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver
[2019-11-06 21:51:52,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientId
[2019-11-06 21:51:52,209 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientId
[2019-11-06 21:51:52,209 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-11-06 21:51:52,209 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-11-06 21:51:52,209 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-11-06 21:51:52,209 INFO  L130     BoogieDeclarations]: Found specification of procedure isEncrypted
[2019-11-06 21:51:52,209 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-11-06 21:51:52,210 INFO  L130     BoogieDeclarations]: Found specification of procedure puts
[2019-11-06 21:51:52,210 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1
[2019-11-06 21:51:52,210 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-06 21:51:52,210 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2
[2019-11-06 21:51:52,210 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailId
[2019-11-06 21:51:52,210 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailFrom
[2019-11-06 21:51:52,210 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailFrom
[2019-11-06 21:51:52,211 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailTo
[2019-11-06 21:51:52,211 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailTo
[2019-11-06 21:51:52,211 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey
[2019-11-06 21:51:52,211 INFO  L130     BoogieDeclarations]: Found specification of procedure printMail
[2019-11-06 21:51:52,211 INFO  L130     BoogieDeclarations]: Found specification of procedure isReadable
[2019-11-06 21:51:52,211 INFO  L130     BoogieDeclarations]: Found specification of procedure createEmail
[2019-11-06 21:51:52,212 INFO  L130     BoogieDeclarations]: Found specification of procedure cloneEmail
[2019-11-06 21:51:52,212 INFO  L130     BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys
[2019-11-06 21:51:52,212 INFO  L130     BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys
[2019-11-06 21:51:52,212 INFO  L130     BoogieDeclarations]: Found specification of procedure prompt
[2019-11-06 21:51:52,212 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-11-06 21:51:52,212 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-11-06 21:51:52,212 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-11-06 21:51:52,213 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-11-06 21:51:52,213 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-11-06 21:51:52,213 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-11-06 21:51:52,213 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-11-06 21:51:52,213 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-11-06 21:51:52,213 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-11-06 21:51:52,214 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-11-06 21:51:52,214 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-11-06 21:51:52,214 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-11-06 21:51:52,214 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-11-06 21:51:52,214 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-11-06 21:51:52,214 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-11-06 21:51:52,214 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-11-06 21:51:52,214 INFO  L130     BoogieDeclarations]: Found specification of procedure initEmail
[2019-11-06 21:51:52,215 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailId
[2019-11-06 21:51:52,215 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailSubject
[2019-11-06 21:51:52,215 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailSubject
[2019-11-06 21:51:52,215 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailBody
[2019-11-06 21:51:52,215 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailBody
[2019-11-06 21:51:52,215 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted
[2019-11-06 21:51:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey
[2019-11-06 21:51:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure isSigned
[2019-11-06 21:51:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailIsSigned
[2019-11-06 21:51:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailSignKey
[2019-11-06 21:51:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailSignKey
[2019-11-06 21:51:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure isVerified
[2019-11-06 21:51:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified
[2019-11-06 21:51:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure initClient
[2019-11-06 21:51:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientPrivateKey
[2019-11-06 21:51:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientPrivateKey
[2019-11-06 21:51:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientForwardReceiver
[2019-11-06 21:51:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientId
[2019-11-06 21:51:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure findPublicKey
[2019-11-06 21:51:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure queue
[2019-11-06 21:51:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure is_queue_empty
[2019-11-06 21:51:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure get_queued_client
[2019-11-06 21:51:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure get_queued_email
[2019-11-06 21:51:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure mail
[2019-11-06 21:51:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure outgoing
[2019-11-06 21:51:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure deliver
[2019-11-06 21:51:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure incoming
[2019-11-06 21:51:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure createClient
[2019-11-06 21:51:52,219 INFO  L130     BoogieDeclarations]: Found specification of procedure sendEmail
[2019-11-06 21:51:52,219 INFO  L130     BoogieDeclarations]: Found specification of procedure isKeyPairValid
[2019-11-06 21:51:52,219 INFO  L130     BoogieDeclarations]: Found specification of procedure generateKeyPair
[2019-11-06 21:51:52,219 INFO  L130     BoogieDeclarations]: Found specification of procedure forward
[2019-11-06 21:51:52,219 INFO  L130     BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys
[2019-11-06 21:51:52,219 INFO  L130     BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt
[2019-11-06 21:51:52,219 INFO  L130     BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward
[2019-11-06 21:51:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-11-06 21:51:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-11-06 21:51:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-11-06 21:51:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-11-06 21:51:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure bobKeyAdd
[2019-11-06 21:51:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey
[2019-11-06 21:51:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhKeyAdd
[2019-11-06 21:51:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh
[2019-11-06 21:51:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhEnableForwarding
[2019-11-06 21:51:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhKeyChange
[2019-11-06 21:51:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckKeyAdd
[2019-11-06 21:51:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure bobKeyChange
[2019-11-06 21:51:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure bobToRjh
[2019-11-06 21:51:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-11-06 21:51:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure createClientKeyringEntry
[2019-11-06 21:51:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientKeyringUser
[2019-11-06 21:51:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringUser
[2019-11-06 21:51:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey
[2019-11-06 21:51:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey
[2019-11-06 21:51:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientForwardReceiver
[2019-11-06 21:51:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientId
[2019-11-06 21:51:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_bob
[2019-11-06 21:51:52,223 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_rjh
[2019-11-06 21:51:52,223 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_chuck
[2019-11-06 21:51:52,223 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhToBob
[2019-11-06 21:51:52,223 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-11-06 21:51:52,223 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-11-06 21:51:52,223 INFO  L130     BoogieDeclarations]: Found specification of procedure bobKeyAddChuck
[2019-11-06 21:51:52,223 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck
[2019-11-06 21:51:52,224 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base
[2019-11-06 21:51:52,224 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base
[2019-11-06 21:51:52,224 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base
[2019-11-06 21:51:52,224 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientName
[2019-11-06 21:51:52,224 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientName
[2019-11-06 21:51:52,224 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientOutbuffer
[2019-11-06 21:51:52,224 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientOutbuffer
[2019-11-06 21:51:52,225 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientAddressBookSize
[2019-11-06 21:51:52,225 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientAddressBookSize
[2019-11-06 21:51:52,225 INFO  L130     BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry
[2019-11-06 21:51:52,225 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias
[2019-11-06 21:51:52,225 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias
[2019-11-06 21:51:52,225 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress
[2019-11-06 21:51:52,225 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress
[2019-11-06 21:51:52,226 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientAutoResponse
[2019-11-06 21:51:52,226 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientAutoResponse
[2019-11-06 21:51:52,226 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientKeyringSize
[2019-11-06 21:51:52,226 INFO  L130     BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias
[2019-11-06 21:51:52,226 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringSize
[2019-11-06 21:51:52,226 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-11-06 21:51:52,226 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-11-06 21:51:52,227 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-06 21:51:54,345 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-06 21:51:54,346 INFO  L284             CfgBuilder]: Removed 4 assume(true) statements.
[2019-11-06 21:51:54,348 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:51:54 BoogieIcfgContainer
[2019-11-06 21:51:54,348 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-06 21:51:54,351 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-06 21:51:54,351 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-11-06 21:51:54,355 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-11-06 21:51:54,355 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:51:50" (1/3) ...
[2019-11-06 21:51:54,356 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7a4f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:51:54, skipping insertion in model container
[2019-11-06 21:51:54,356 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:51" (2/3) ...
[2019-11-06 21:51:54,356 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7a4f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:51:54, skipping insertion in model container
[2019-11-06 21:51:54,357 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:51:54" (3/3) ...
[2019-11-06 21:51:54,358 INFO  L109   eAbstractionObserver]: Analyzing ICFG email_spec9_product16.cil.c
[2019-11-06 21:51:54,368 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-06 21:51:54,378 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-11-06 21:51:54,389 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-11-06 21:51:54,427 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-11-06 21:51:54,428 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-11-06 21:51:54,428 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-06 21:51:54,428 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-06 21:51:54,428 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-06 21:51:54,429 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-11-06 21:51:54,429 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-06 21:51:54,429 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-06 21:51:54,463 INFO  L276                IsEmpty]: Start isEmpty. Operand 480 states.
[2019-11-06 21:51:54,488 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 146
[2019-11-06 21:51:54,488 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:51:54,489 INFO  L410         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-06 21:51:54,491 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:51:54,499 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:51:54,499 INFO  L82        PathProgramCache]: Analyzing trace with hash -985868232, now seen corresponding path program 1 times
[2019-11-06 21:51:54,508 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:51:54,509 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525724176]
[2019-11-06 21:51:54,511 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:51:54,844 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:56,916 WARN  L191               SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 556
[2019-11-06 21:51:56,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:56,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:56,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:56,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,020 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,126 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,129 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,132 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,137 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,140 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,200 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,224 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,234 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:57,354 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2019-11-06 21:51:57,355 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525724176]
[2019-11-06 21:51:57,356 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:51:57,356 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2019-11-06 21:51:57,357 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007284108]
[2019-11-06 21:51:57,362 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 10 states
[2019-11-06 21:51:57,363 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:51:57,377 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2019-11-06 21:51:57,378 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90
[2019-11-06 21:51:57,381 INFO  L87              Difference]: Start difference. First operand 480 states. Second operand 10 states.
[2019-11-06 21:52:09,248 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 21:52:09,249 INFO  L93              Difference]: Finished difference Result 1037 states and 1506 transitions.
[2019-11-06 21:52:09,256 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2019-11-06 21:52:09,258 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 145
[2019-11-06 21:52:09,258 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 21:52:09,292 INFO  L225             Difference]: With dead ends: 1037
[2019-11-06 21:52:09,293 INFO  L226             Difference]: Without dead ends: 724
[2019-11-06 21:52:09,303 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462
[2019-11-06 21:52:09,319 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 724 states.
[2019-11-06 21:52:09,558 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 457.
[2019-11-06 21:52:09,560 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 457 states.
[2019-11-06 21:52:09,564 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 605 transitions.
[2019-11-06 21:52:09,566 INFO  L78                 Accepts]: Start accepts. Automaton has 457 states and 605 transitions. Word has length 145
[2019-11-06 21:52:09,566 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-06 21:52:09,567 INFO  L462      AbstractCegarLoop]: Abstraction has 457 states and 605 transitions.
[2019-11-06 21:52:09,567 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2019-11-06 21:52:09,567 INFO  L276                IsEmpty]: Start isEmpty. Operand 457 states and 605 transitions.
[2019-11-06 21:52:09,572 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 147
[2019-11-06 21:52:09,572 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:52:09,573 INFO  L410         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-06 21:52:09,573 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:52:09,574 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:52:09,574 INFO  L82        PathProgramCache]: Analyzing trace with hash -1017639439, now seen corresponding path program 1 times
[2019-11-06 21:52:09,574 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:52:09,574 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616699749]
[2019-11-06 21:52:09,574 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:52:09,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,278 WARN  L191               SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 556
[2019-11-06 21:52:11,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,312 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,384 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,453 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,456 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,496 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,498 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,500 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,504 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,508 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,559 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,628 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:11,691 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2019-11-06 21:52:11,692 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616699749]
[2019-11-06 21:52:11,692 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:52:11,692 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2019-11-06 21:52:11,692 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741937747]
[2019-11-06 21:52:11,694 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 11 states
[2019-11-06 21:52:11,695 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:52:11,695 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2019-11-06 21:52:11,695 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2019-11-06 21:52:11,695 INFO  L87              Difference]: Start difference. First operand 457 states and 605 transitions. Second operand 11 states.
[2019-11-06 21:52:15,703 WARN  L191               SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 559
[2019-11-06 21:52:26,401 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 21:52:26,401 INFO  L93              Difference]: Finished difference Result 952 states and 1340 transitions.
[2019-11-06 21:52:26,401 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2019-11-06 21:52:26,401 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 146
[2019-11-06 21:52:26,402 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 21:52:26,408 INFO  L225             Difference]: With dead ends: 952
[2019-11-06 21:52:26,408 INFO  L226             Difference]: Without dead ends: 727
[2019-11-06 21:52:26,410 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306
[2019-11-06 21:52:26,411 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 727 states.
[2019-11-06 21:52:26,606 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 459.
[2019-11-06 21:52:26,606 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 459 states.
[2019-11-06 21:52:26,609 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 607 transitions.
[2019-11-06 21:52:26,610 INFO  L78                 Accepts]: Start accepts. Automaton has 459 states and 607 transitions. Word has length 146
[2019-11-06 21:52:26,610 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-06 21:52:26,610 INFO  L462      AbstractCegarLoop]: Abstraction has 459 states and 607 transitions.
[2019-11-06 21:52:26,610 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2019-11-06 21:52:26,611 INFO  L276                IsEmpty]: Start isEmpty. Operand 459 states and 607 transitions.
[2019-11-06 21:52:26,614 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2019-11-06 21:52:26,614 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:52:26,614 INFO  L410         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-06 21:52:26,614 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:52:26,615 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:52:26,615 INFO  L82        PathProgramCache]: Analyzing trace with hash -396896995, now seen corresponding path program 1 times
[2019-11-06 21:52:26,615 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:52:26,615 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372847349]
[2019-11-06 21:52:26,616 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:52:26,657 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,300 WARN  L191               SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 556
[2019-11-06 21:52:28,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,337 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,433 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,453 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,455 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,489 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,496 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,527 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,548 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,568 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,570 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,574 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,576 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,583 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:52:28,638 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2019-11-06 21:52:28,638 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372847349]
[2019-11-06 21:52:28,638 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:52:28,639 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2019-11-06 21:52:28,641 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971934244]
[2019-11-06 21:52:28,641 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 11 states
[2019-11-06 21:52:28,641 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:52:28,642 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2019-11-06 21:52:28,643 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2019-11-06 21:52:28,643 INFO  L87              Difference]: Start difference. First operand 459 states and 607 transitions. Second operand 11 states.