/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_product12.cil.c


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


This is Ultimate 0.1.24-fb55353
[2019-11-06 21:51:13,637 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-06 21:51:13,640 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-06 21:51:13,656 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-06 21:51:13,657 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-06 21:51:13,658 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-06 21:51:13,659 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-06 21:51:13,661 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-06 21:51:13,662 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-06 21:51:13,663 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-06 21:51:13,664 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-06 21:51:13,665 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-06 21:51:13,666 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-06 21:51:13,667 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-06 21:51:13,668 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-06 21:51:13,669 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-06 21:51:13,670 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-06 21:51:13,671 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-06 21:51:13,673 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-06 21:51:13,675 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-06 21:51:13,677 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-06 21:51:13,678 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-06 21:51:13,679 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-06 21:51:13,680 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-06 21:51:13,682 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-06 21:51:13,683 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-06 21:51:13,683 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-06 21:51:13,684 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-06 21:51:13,684 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-06 21:51:13,685 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-06 21:51:13,686 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-06 21:51:13,686 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-06 21:51:13,687 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-06 21:51:13,688 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-06 21:51:13,689 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-06 21:51:13,689 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-06 21:51:13,690 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-06 21:51:13,690 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-06 21:51:13,691 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-06 21:51:13,692 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-06 21:51:13,692 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-06 21:51:13,693 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 21:51:13,707 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-06 21:51:13,708 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-06 21:51:13,709 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-06 21:51:13,709 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-06 21:51:13,709 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-06 21:51:13,709 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-06 21:51:13,710 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-06 21:51:13,710 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-06 21:51:13,710 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-06 21:51:13,710 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-06 21:51:13,710 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-06 21:51:13,710 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-06 21:51:13,711 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-06 21:51:13,711 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-06 21:51:13,711 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-06 21:51:13,711 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-06 21:51:13,711 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-06 21:51:13,712 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-06 21:51:13,712 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-06 21:51:13,712 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-06 21:51:13,712 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-06 21:51:13,712 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-06 21:51:13,713 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-06 21:51:13,713 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-06 21:51:13,713 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-06 21:51:13,713 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-06 21:51:13,713 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-06 21:51:13,714 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-06 21:51:13,714 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-06 21:51:13,995 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-06 21:51:14,018 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-06 21:51:14,023 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-06 21:51:14,025 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-06 21:51:14,025 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-06 21:51:14,026 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product12.cil.c
[2019-11-06 21:51:14,115 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28b4c9cbd/6007073e46f84597b65f492f0e3b9a0e/FLAG314b22543
[2019-11-06 21:51:14,770 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-06 21:51:14,770 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product12.cil.c
[2019-11-06 21:51:14,790 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28b4c9cbd/6007073e46f84597b65f492f0e3b9a0e/FLAG314b22543
[2019-11-06 21:51:14,979 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28b4c9cbd/6007073e46f84597b65f492f0e3b9a0e
[2019-11-06 21:51:14,987 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-06 21:51:14,989 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-11-06 21:51:14,990 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-06 21:51:14,990 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-06 21:51:14,994 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-06 21:51:14,995 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:51:14" (1/1) ...
[2019-11-06 21:51:14,998 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c96835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:14, skipping insertion in model container
[2019-11-06 21:51:14,998 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:51:14" (1/1) ...
[2019-11-06 21:51:15,005 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-06 21:51:15,089 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-06 21:51:15,850 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:51:15,878 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-06 21:51:16,003 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:51:16,150 INFO  L192         MainTranslator]: Completed translation
[2019-11-06 21:51:16,151 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:16 WrapperNode
[2019-11-06 21:51:16,151 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-06 21:51:16,152 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-06 21:51:16,152 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-06 21:51:16,152 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-06 21:51:16,173 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:16" (1/1) ...
[2019-11-06 21:51:16,173 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:16" (1/1) ...
[2019-11-06 21:51:16,238 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:16" (1/1) ...
[2019-11-06 21:51:16,239 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:16" (1/1) ...
[2019-11-06 21:51:16,294 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:16" (1/1) ...
[2019-11-06 21:51:16,319 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:16" (1/1) ...
[2019-11-06 21:51:16,330 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:16" (1/1) ...
[2019-11-06 21:51:16,347 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-06 21:51:16,348 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-06 21:51:16,348 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-06 21:51:16,348 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-06 21:51:16,349 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:16" (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 21:51:16,426 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-11-06 21:51:16,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-06 21:51:16,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-11-06 21:51:16,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1
[2019-11-06 21:51:16,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2
[2019-11-06 21:51:16,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure prompt
[2019-11-06 21:51:16,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-11-06 21:51:16,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-11-06 21:51:16,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-11-06 21:51:16,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-11-06 21:51:16,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure mail
[2019-11-06 21:51:16,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys
[2019-11-06 21:51:16,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure outgoing
[2019-11-06 21:51:16,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure deliver
[2019-11-06 21:51:16,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt
[2019-11-06 21:51:16,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure incoming
[2019-11-06 21:51:16,435 INFO  L138     BoogieDeclarations]: Found implementation of procedure createClient
[2019-11-06 21:51:16,436 INFO  L138     BoogieDeclarations]: Found implementation of procedure sendEmail
[2019-11-06 21:51:16,436 INFO  L138     BoogieDeclarations]: Found implementation of procedure queue
[2019-11-06 21:51:16,436 INFO  L138     BoogieDeclarations]: Found implementation of procedure is_queue_empty
[2019-11-06 21:51:16,436 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_queued_client
[2019-11-06 21:51:16,437 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_queued_email
[2019-11-06 21:51:16,437 INFO  L138     BoogieDeclarations]: Found implementation of procedure isKeyPairValid
[2019-11-06 21:51:16,437 INFO  L138     BoogieDeclarations]: Found implementation of procedure generateKeyPair
[2019-11-06 21:51:16,437 INFO  L138     BoogieDeclarations]: Found implementation of procedure initEmail
[2019-11-06 21:51:16,437 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailId
[2019-11-06 21:51:16,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailId
[2019-11-06 21:51:16,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailFrom
[2019-11-06 21:51:16,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailFrom
[2019-11-06 21:51:16,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailTo
[2019-11-06 21:51:16,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailTo
[2019-11-06 21:51:16,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailSubject
[2019-11-06 21:51:16,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailSubject
[2019-11-06 21:51:16,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailBody
[2019-11-06 21:51:16,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailBody
[2019-11-06 21:51:16,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure isEncrypted
[2019-11-06 21:51:16,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted
[2019-11-06 21:51:16,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey
[2019-11-06 21:51:16,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey
[2019-11-06 21:51:16,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure isSigned
[2019-11-06 21:51:16,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailIsSigned
[2019-11-06 21:51:16,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailSignKey
[2019-11-06 21:51:16,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailSignKey
[2019-11-06 21:51:16,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure isVerified
[2019-11-06 21:51:16,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified
[2019-11-06 21:51:16,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base
[2019-11-06 21:51:16,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_bob
[2019-11-06 21:51:16,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base
[2019-11-06 21:51:16,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_rjh
[2019-11-06 21:51:16,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base
[2019-11-06 21:51:16,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_chuck
[2019-11-06 21:51:16,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobToRjh
[2019-11-06 21:51:16,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhToBob
[2019-11-06 21:51:16,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-11-06 21:51:16,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-11-06 21:51:16,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobKeyAdd
[2019-11-06 21:51:16,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhKeyAdd
[2019-11-06 21:51:16,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck
[2019-11-06 21:51:16,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck
[2019-11-06 21:51:16,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckKeyAdd
[2019-11-06 21:51:16,445 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh
[2019-11-06 21:51:16,445 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey
[2019-11-06 21:51:16,445 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobKeyChange
[2019-11-06 21:51:16,445 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhKeyChange
[2019-11-06 21:51:16,445 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-11-06 21:51:16,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-11-06 21:51:16,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-11-06 21:51:16,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-11-06 21:51:16,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-11-06 21:51:16,447 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-11-06 21:51:16,447 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-11-06 21:51:16,447 INFO  L138     BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys
[2019-11-06 21:51:16,447 INFO  L138     BoogieDeclarations]: Found implementation of procedure printMail
[2019-11-06 21:51:16,447 INFO  L138     BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys
[2019-11-06 21:51:16,448 INFO  L138     BoogieDeclarations]: Found implementation of procedure isReadable
[2019-11-06 21:51:16,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure cloneEmail
[2019-11-06 21:51:16,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure createEmail
[2019-11-06 21:51:16,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure initClient
[2019-11-06 21:51:16,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientName
[2019-11-06 21:51:16,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientName
[2019-11-06 21:51:16,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientOutbuffer
[2019-11-06 21:51:16,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientOutbuffer
[2019-11-06 21:51:16,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize
[2019-11-06 21:51:16,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize
[2019-11-06 21:51:16,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry
[2019-11-06 21:51:16,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias
[2019-11-06 21:51:16,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias
[2019-11-06 21:51:16,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias
[2019-11-06 21:51:16,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress
[2019-11-06 21:51:16,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress
[2019-11-06 21:51:16,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientAutoResponse
[2019-11-06 21:51:16,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientAutoResponse
[2019-11-06 21:51:16,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientPrivateKey
[2019-11-06 21:51:16,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientPrivateKey
[2019-11-06 21:51:16,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientKeyringSize
[2019-11-06 21:51:16,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringSize
[2019-11-06 21:51:16,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry
[2019-11-06 21:51:16,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientKeyringUser
[2019-11-06 21:51:16,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringUser
[2019-11-06 21:51:16,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey
[2019-11-06 21:51:16,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure findPublicKey
[2019-11-06 21:51:16,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey
[2019-11-06 21:51:16,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver
[2019-11-06 21:51:16,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver
[2019-11-06 21:51:16,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientId
[2019-11-06 21:51:16,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientId
[2019-11-06 21:51:16,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-11-06 21:51:16,456 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-11-06 21:51:16,456 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-11-06 21:51:16,456 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-11-06 21:51:16,456 INFO  L130     BoogieDeclarations]: Found specification of procedure isEncrypted
[2019-11-06 21:51:16,457 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-11-06 21:51:16,457 INFO  L130     BoogieDeclarations]: Found specification of procedure puts
[2019-11-06 21:51:16,457 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1
[2019-11-06 21:51:16,457 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-06 21:51:16,457 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2
[2019-11-06 21:51:16,457 INFO  L130     BoogieDeclarations]: Found specification of procedure prompt
[2019-11-06 21:51:16,458 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-11-06 21:51:16,458 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-11-06 21:51:16,458 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-11-06 21:51:16,459 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-11-06 21:51:16,459 INFO  L130     BoogieDeclarations]: Found specification of procedure initClient
[2019-11-06 21:51:16,459 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientPrivateKey
[2019-11-06 21:51:16,459 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientPrivateKey
[2019-11-06 21:51:16,461 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientId
[2019-11-06 21:51:16,461 INFO  L130     BoogieDeclarations]: Found specification of procedure findPublicKey
[2019-11-06 21:51:16,461 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailFrom
[2019-11-06 21:51:16,461 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailTo
[2019-11-06 21:51:16,461 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted
[2019-11-06 21:51:16,462 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey
[2019-11-06 21:51:16,462 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey
[2019-11-06 21:51:16,462 INFO  L130     BoogieDeclarations]: Found specification of procedure createEmail
[2019-11-06 21:51:16,462 INFO  L130     BoogieDeclarations]: Found specification of procedure queue
[2019-11-06 21:51:16,463 INFO  L130     BoogieDeclarations]: Found specification of procedure is_queue_empty
[2019-11-06 21:51:16,463 INFO  L130     BoogieDeclarations]: Found specification of procedure get_queued_client
[2019-11-06 21:51:16,463 INFO  L130     BoogieDeclarations]: Found specification of procedure get_queued_email
[2019-11-06 21:51:16,463 INFO  L130     BoogieDeclarations]: Found specification of procedure mail
[2019-11-06 21:51:16,463 INFO  L130     BoogieDeclarations]: Found specification of procedure outgoing
[2019-11-06 21:51:16,463 INFO  L130     BoogieDeclarations]: Found specification of procedure deliver
[2019-11-06 21:51:16,464 INFO  L130     BoogieDeclarations]: Found specification of procedure incoming
[2019-11-06 21:51:16,467 INFO  L130     BoogieDeclarations]: Found specification of procedure createClient
[2019-11-06 21:51:16,468 INFO  L130     BoogieDeclarations]: Found specification of procedure sendEmail
[2019-11-06 21:51:16,468 INFO  L130     BoogieDeclarations]: Found specification of procedure isKeyPairValid
[2019-11-06 21:51:16,469 INFO  L130     BoogieDeclarations]: Found specification of procedure generateKeyPair
[2019-11-06 21:51:16,475 INFO  L130     BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys
[2019-11-06 21:51:16,475 INFO  L130     BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt
[2019-11-06 21:51:16,475 INFO  L130     BoogieDeclarations]: Found specification of procedure initEmail
[2019-11-06 21:51:16,475 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailId
[2019-11-06 21:51:16,475 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailId
[2019-11-06 21:51:16,476 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailFrom
[2019-11-06 21:51:16,476 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailTo
[2019-11-06 21:51:16,476 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailSubject
[2019-11-06 21:51:16,476 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailSubject
[2019-11-06 21:51:16,476 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailBody
[2019-11-06 21:51:16,476 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailBody
[2019-11-06 21:51:16,476 INFO  L130     BoogieDeclarations]: Found specification of procedure isSigned
[2019-11-06 21:51:16,476 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailIsSigned
[2019-11-06 21:51:16,477 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailSignKey
[2019-11-06 21:51:16,478 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailSignKey
[2019-11-06 21:51:16,478 INFO  L130     BoogieDeclarations]: Found specification of procedure isVerified
[2019-11-06 21:51:16,478 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified
[2019-11-06 21:51:16,478 INFO  L130     BoogieDeclarations]: Found specification of procedure createClientKeyringEntry
[2019-11-06 21:51:16,479 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientKeyringUser
[2019-11-06 21:51:16,479 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringUser
[2019-11-06 21:51:16,479 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey
[2019-11-06 21:51:16,479 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey
[2019-11-06 21:51:16,479 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientId
[2019-11-06 21:51:16,479 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_bob
[2019-11-06 21:51:16,479 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_rjh
[2019-11-06 21:51:16,479 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_chuck
[2019-11-06 21:51:16,480 INFO  L130     BoogieDeclarations]: Found specification of procedure bobToRjh
[2019-11-06 21:51:16,480 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhToBob
[2019-11-06 21:51:16,480 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-11-06 21:51:16,480 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-11-06 21:51:16,480 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-11-06 21:51:16,480 INFO  L130     BoogieDeclarations]: Found specification of procedure bobKeyAdd
[2019-11-06 21:51:16,480 INFO  L130     BoogieDeclarations]: Found specification of procedure bobKeyAddChuck
[2019-11-06 21:51:16,480 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhKeyAdd
[2019-11-06 21:51:16,480 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck
[2019-11-06 21:51:16,481 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckKeyAdd
[2019-11-06 21:51:16,481 INFO  L130     BoogieDeclarations]: Found specification of procedure bobKeyChange
[2019-11-06 21:51:16,481 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhKeyChange
[2019-11-06 21:51:16,481 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey
[2019-11-06 21:51:16,481 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh
[2019-11-06 21:51:16,481 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base
[2019-11-06 21:51:16,481 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base
[2019-11-06 21:51:16,482 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base
[2019-11-06 21:51:16,482 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-11-06 21:51:16,482 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-11-06 21:51:16,482 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-11-06 21:51:16,482 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-11-06 21:51:16,482 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-11-06 21:51:16,482 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-11-06 21:51:16,482 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-11-06 21:51:16,483 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-11-06 21:51:16,483 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-11-06 21:51:16,483 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-11-06 21:51:16,483 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-11-06 21:51:16,483 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-11-06 21:51:16,483 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-11-06 21:51:16,483 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-11-06 21:51:16,483 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-11-06 21:51:16,484 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-11-06 21:51:16,484 INFO  L130     BoogieDeclarations]: Found specification of procedure printMail
[2019-11-06 21:51:16,484 INFO  L130     BoogieDeclarations]: Found specification of procedure isReadable
[2019-11-06 21:51:16,484 INFO  L130     BoogieDeclarations]: Found specification of procedure cloneEmail
[2019-11-06 21:51:16,484 INFO  L130     BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys
[2019-11-06 21:51:16,484 INFO  L130     BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys
[2019-11-06 21:51:16,484 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientName
[2019-11-06 21:51:16,484 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientName
[2019-11-06 21:51:16,485 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientOutbuffer
[2019-11-06 21:51:16,485 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientOutbuffer
[2019-11-06 21:51:16,485 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientAddressBookSize
[2019-11-06 21:51:16,485 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientAddressBookSize
[2019-11-06 21:51:16,485 INFO  L130     BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry
[2019-11-06 21:51:16,485 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias
[2019-11-06 21:51:16,485 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias
[2019-11-06 21:51:16,485 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress
[2019-11-06 21:51:16,486 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress
[2019-11-06 21:51:16,486 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientAutoResponse
[2019-11-06 21:51:16,486 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientAutoResponse
[2019-11-06 21:51:16,486 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientKeyringSize
[2019-11-06 21:51:16,486 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientForwardReceiver
[2019-11-06 21:51:16,486 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientForwardReceiver
[2019-11-06 21:51:16,486 INFO  L130     BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias
[2019-11-06 21:51:16,486 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringSize
[2019-11-06 21:51:16,487 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-11-06 21:51:16,487 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-11-06 21:51:16,487 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-06 21:51:18,541 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-06 21:51:18,542 INFO  L284             CfgBuilder]: Removed 4 assume(true) statements.
[2019-11-06 21:51:18,544 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:51:18 BoogieIcfgContainer
[2019-11-06 21:51:18,544 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-06 21:51:18,545 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-06 21:51:18,546 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-11-06 21:51:18,549 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-11-06 21:51:18,550 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:51:14" (1/3) ...
[2019-11-06 21:51:18,551 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e1c56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:51:18, skipping insertion in model container
[2019-11-06 21:51:18,551 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:51:16" (2/3) ...
[2019-11-06 21:51:18,551 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e1c56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:51:18, skipping insertion in model container
[2019-11-06 21:51:18,552 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:51:18" (3/3) ...
[2019-11-06 21:51:18,553 INFO  L109   eAbstractionObserver]: Analyzing ICFG email_spec9_product12.cil.c
[2019-11-06 21:51:18,564 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-06 21:51:18,575 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-11-06 21:51:18,587 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-11-06 21:51:18,624 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-11-06 21:51:18,625 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-11-06 21:51:18,625 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-06 21:51:18,625 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-06 21:51:18,625 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-06 21:51:18,625 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-11-06 21:51:18,625 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-06 21:51:18,625 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-06 21:51:18,656 INFO  L276                IsEmpty]: Start isEmpty. Operand 428 states.
[2019-11-06 21:51:18,674 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 146
[2019-11-06 21:51:18,674 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:51:18,676 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 21:51:18,678 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:51:18,685 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:51:18,686 INFO  L82        PathProgramCache]: Analyzing trace with hash -269338091, now seen corresponding path program 1 times
[2019-11-06 21:51:18,697 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:51:18,697 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450767579]
[2019-11-06 21:51:18,698 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:51:19,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,121 WARN  L191               SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 550
[2019-11-06 21:51:21,136 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,163 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,165 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,263 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,293 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,301 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,314 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,326 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,332 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,430 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,433 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:21,486 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 21:51:21,487 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450767579]
[2019-11-06 21:51:21,487 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:51:21,488 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2019-11-06 21:51:21,488 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580924316]
[2019-11-06 21:51:21,494 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 10 states
[2019-11-06 21:51:21,494 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:51:21,507 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2019-11-06 21:51:21,508 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90
[2019-11-06 21:51:21,510 INFO  L87              Difference]: Start difference. First operand 428 states. Second operand 10 states.
[2019-11-06 21:51:31,772 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 21:51:31,773 INFO  L93              Difference]: Finished difference Result 875 states and 1290 transitions.
[2019-11-06 21:51:31,774 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2019-11-06 21:51:31,775 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 145
[2019-11-06 21:51:31,776 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 21:51:31,799 INFO  L225             Difference]: With dead ends: 875
[2019-11-06 21:51:31,799 INFO  L226             Difference]: Without dead ends: 625
[2019-11-06 21:51:31,806 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462
[2019-11-06 21:51:31,826 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 625 states.
[2019-11-06 21:51:32,043 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 383.
[2019-11-06 21:51:32,044 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 383 states.
[2019-11-06 21:51:32,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 514 transitions.
[2019-11-06 21:51:32,053 INFO  L78                 Accepts]: Start accepts. Automaton has 383 states and 514 transitions. Word has length 145
[2019-11-06 21:51:32,055 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-06 21:51:32,055 INFO  L462      AbstractCegarLoop]: Abstraction has 383 states and 514 transitions.
[2019-11-06 21:51:32,055 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2019-11-06 21:51:32,055 INFO  L276                IsEmpty]: Start isEmpty. Operand 383 states and 514 transitions.
[2019-11-06 21:51:32,069 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 147
[2019-11-06 21:51:32,069 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:51:32,070 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 21:51:32,070 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:51:32,070 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:51:32,070 INFO  L82        PathProgramCache]: Analyzing trace with hash -244756459, now seen corresponding path program 1 times
[2019-11-06 21:51:32,071 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:51:32,071 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532478240]
[2019-11-06 21:51:32,072 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:51:32,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:33,825 WARN  L191               SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 550
[2019-11-06 21:51:33,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:33,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:33,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:33,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:33,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:33,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,039 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,065 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,101 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,147 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:34,199 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 21:51:34,199 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532478240]
[2019-11-06 21:51:34,199 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:51:34,200 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2019-11-06 21:51:34,200 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696390710]
[2019-11-06 21:51:34,202 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 11 states
[2019-11-06 21:51:34,202 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:51:34,202 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2019-11-06 21:51:34,203 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2019-11-06 21:51:34,203 INFO  L87              Difference]: Start difference. First operand 383 states and 514 transitions. Second operand 11 states.
[2019-11-06 21:51:39,207 WARN  L191               SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 553
[2019-11-06 21:51:49,456 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 21:51:49,457 INFO  L93              Difference]: Finished difference Result 790 states and 1132 transitions.
[2019-11-06 21:51:49,458 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2019-11-06 21:51:49,458 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 146
[2019-11-06 21:51:49,459 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 21:51:49,465 INFO  L225             Difference]: With dead ends: 790
[2019-11-06 21:51:49,465 INFO  L226             Difference]: Without dead ends: 628
[2019-11-06 21:51:49,467 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306
[2019-11-06 21:51:49,469 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 628 states.
[2019-11-06 21:51:49,611 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 385.
[2019-11-06 21:51:49,612 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 385 states.
[2019-11-06 21:51:49,614 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 516 transitions.
[2019-11-06 21:51:49,615 INFO  L78                 Accepts]: Start accepts. Automaton has 385 states and 516 transitions. Word has length 146
[2019-11-06 21:51:49,615 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-06 21:51:49,616 INFO  L462      AbstractCegarLoop]: Abstraction has 385 states and 516 transitions.
[2019-11-06 21:51:49,616 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2019-11-06 21:51:49,616 INFO  L276                IsEmpty]: Start isEmpty. Operand 385 states and 516 transitions.
[2019-11-06 21:51:49,618 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2019-11-06 21:51:49,618 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:51:49,619 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 21:51:49,619 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:51:49,619 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:51:49,619 INFO  L82        PathProgramCache]: Analyzing trace with hash 717403297, now seen corresponding path program 1 times
[2019-11-06 21:51:49,620 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:51:49,620 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750251594]
[2019-11-06 21:51:49,620 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:51:49,660 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,400 WARN  L191               SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 550
[2019-11-06 21:51:51,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,545 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,567 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,570 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,571 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,575 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,582 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,611 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,651 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,666 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:51:51,717 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 21:51:51,718 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750251594]
[2019-11-06 21:51:51,718 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:51:51,718 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2019-11-06 21:51:51,720 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149381894]
[2019-11-06 21:51:51,721 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 11 states
[2019-11-06 21:51:51,721 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:51:51,722 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2019-11-06 21:51:51,722 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2019-11-06 21:51:51,722 INFO  L87              Difference]: Start difference. First operand 385 states and 516 transitions. Second operand 11 states.