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_spec7_product28.cil.c


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


This is Ultimate 0.1.24-13a467a-m
[2019-10-14 23:30:11,313 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-14 23:30:11,318 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-14 23:30:11,335 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-14 23:30:11,336 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-14 23:30:11,338 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-14 23:30:11,339 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-14 23:30:11,341 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-14 23:30:11,353 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-14 23:30:11,354 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-14 23:30:11,355 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-14 23:30:11,358 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-14 23:30:11,360 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-14 23:30:11,361 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-14 23:30:11,364 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-14 23:30:11,366 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-14 23:30:11,367 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-14 23:30:11,370 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-14 23:30:11,373 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-14 23:30:11,375 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-14 23:30:11,379 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-14 23:30:11,380 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-14 23:30:11,382 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-14 23:30:11,383 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-14 23:30:11,386 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-14 23:30:11,386 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-14 23:30:11,386 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-14 23:30:11,387 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-14 23:30:11,387 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-14 23:30:11,388 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-14 23:30:11,389 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-14 23:30:11,389 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-14 23:30:11,390 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-14 23:30:11,391 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-14 23:30:11,392 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-14 23:30:11,392 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-10-14 23:30:11,393 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-14 23:30:11,395 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-14 23:30:11,396 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
[2019-10-14 23:30:11,414 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-14 23:30:11,415 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-14 23:30:11,417 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-14 23:30:11,417 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-14 23:30:11,418 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-14 23:30:11,418 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-14 23:30:11,418 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-14 23:30:11,418 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-14 23:30:11,418 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-14 23:30:11,419 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-14 23:30:11,420 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-14 23:30:11,420 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-14 23:30:11,420 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-14 23:30:11,421 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-14 23:30:11,421 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-14 23:30:11,421 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-14 23:30:11,421 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-14 23:30:11,421 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-14 23:30:11,422 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-14 23:30:11,422 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-14 23:30:11,422 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-14 23:30:11,422 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-14 23:30:11,423 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-14 23:30:11,423 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-14 23:30:11,423 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-14 23:30:11,423 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-14 23:30:11,424 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-14 23:30:11,424 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-14 23:30:11,424 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-10-14 23:30:11,699 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-14 23:30:11,712 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-14 23:30:11,716 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-14 23:30:11,717 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-14 23:30:11,718 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-14 23:30:11,718 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product28.cil.c
[2019-10-14 23:30:11,784 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b49b57b52/416e031c023b415eab6e2e5fa7aaf6ce/FLAG2e1d51459
[2019-10-14 23:30:12,394 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-14 23:30:12,395 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product28.cil.c
[2019-10-14 23:30:12,415 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b49b57b52/416e031c023b415eab6e2e5fa7aaf6ce/FLAG2e1d51459
[2019-10-14 23:30:12,596 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b49b57b52/416e031c023b415eab6e2e5fa7aaf6ce
[2019-10-14 23:30:12,606 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-14 23:30:12,608 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-14 23:30:12,609 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-14 23:30:12,609 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-14 23:30:12,613 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-14 23:30:12,614 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:30:12" (1/1) ...
[2019-10-14 23:30:12,617 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@445a6c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:12, skipping insertion in model container
[2019-10-14 23:30:12,618 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:30:12" (1/1) ...
[2019-10-14 23:30:12,626 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-14 23:30:12,712 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-14 23:30:13,411 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-14 23:30:13,428 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-14 23:30:13,580 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-14 23:30:13,685 INFO  L192         MainTranslator]: Completed translation
[2019-10-14 23:30:13,686 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:13 WrapperNode
[2019-10-14 23:30:13,686 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-14 23:30:13,688 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-14 23:30:13,688 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-14 23:30:13,688 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-14 23:30:13,702 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:13" (1/1) ...
[2019-10-14 23:30:13,702 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:13" (1/1) ...
[2019-10-14 23:30:13,733 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:13" (1/1) ...
[2019-10-14 23:30:13,733 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:13" (1/1) ...
[2019-10-14 23:30:13,789 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:13" (1/1) ...
[2019-10-14 23:30:13,830 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:13" (1/1) ...
[2019-10-14 23:30:13,856 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:13" (1/1) ...
[2019-10-14 23:30:13,874 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-14 23:30:13,874 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-14 23:30:13,875 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-14 23:30:13,875 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-14 23:30:13,876 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:13" (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
[2019-10-14 23:30:13,959 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-14 23:30:13,960 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-14 23:30:13,960 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-10-14 23:30:13,960 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-10-14 23:30:13,960 INFO  L138     BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys
[2019-10-14 23:30:13,962 INFO  L138     BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt
[2019-10-14 23:30:13,962 INFO  L138     BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign
[2019-10-14 23:30:13,962 INFO  L138     BoogieDeclarations]: Found implementation of procedure printMail
[2019-10-14 23:30:13,962 INFO  L138     BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys
[2019-10-14 23:30:13,963 INFO  L138     BoogieDeclarations]: Found implementation of procedure isReadable
[2019-10-14 23:30:13,963 INFO  L138     BoogieDeclarations]: Found implementation of procedure cloneEmail
[2019-10-14 23:30:13,963 INFO  L138     BoogieDeclarations]: Found implementation of procedure createEmail
[2019-10-14 23:30:13,964 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-10-14 23:30:13,964 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-10-14 23:30:13,966 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-10-14 23:30:13,966 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-10-14 23:30:13,969 INFO  L138     BoogieDeclarations]: Found implementation of procedure mail
[2019-10-14 23:30:13,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys
[2019-10-14 23:30:13,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt
[2019-10-14 23:30:13,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure outgoing
[2019-10-14 23:30:13,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure deliver
[2019-10-14 23:30:13,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign
[2019-10-14 23:30:13,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify
[2019-10-14 23:30:13,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure incoming
[2019-10-14 23:30:13,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure createClient
[2019-10-14 23:30:13,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure sendEmail
[2019-10-14 23:30:13,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure queue
[2019-10-14 23:30:13,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure is_queue_empty
[2019-10-14 23:30:13,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_queued_client
[2019-10-14 23:30:13,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_queued_email
[2019-10-14 23:30:13,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure isKeyPairValid
[2019-10-14 23:30:13,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure generateKeyPair
[2019-10-14 23:30:13,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure sign
[2019-10-14 23:30:13,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure verify
[2019-10-14 23:30:13,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base
[2019-10-14 23:30:13,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_bob
[2019-10-14 23:30:13,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base
[2019-10-14 23:30:13,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_rjh
[2019-10-14 23:30:13,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base
[2019-10-14 23:30:13,975 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup_chuck
[2019-10-14 23:30:13,975 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobToRjh
[2019-10-14 23:30:13,975 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhToBob
[2019-10-14 23:30:13,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-10-14 23:30:13,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-14 23:30:13,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobKeyAdd
[2019-10-14 23:30:13,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhKeyAdd
[2019-10-14 23:30:13,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck
[2019-10-14 23:30:13,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck
[2019-10-14 23:30:13,977 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckKeyAdd
[2019-10-14 23:30:13,977 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh
[2019-10-14 23:30:13,977 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey
[2019-10-14 23:30:13,977 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobKeyChange
[2019-10-14 23:30:13,977 INFO  L138     BoogieDeclarations]: Found implementation of procedure rjhKeyChange
[2019-10-14 23:30:13,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-10-14 23:30:13,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1
[2019-10-14 23:30:13,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-10-14 23:30:13,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-10-14 23:30:13,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-10-14 23:30:13,979 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-10-14 23:30:13,979 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-10-14 23:30:13,979 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-10-14 23:30:13,979 INFO  L138     BoogieDeclarations]: Found implementation of procedure prompt
[2019-10-14 23:30:13,979 INFO  L138     BoogieDeclarations]: Found implementation of procedure initClient
[2019-10-14 23:30:13,980 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientName
[2019-10-14 23:30:13,980 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientName
[2019-10-14 23:30:13,980 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientOutbuffer
[2019-10-14 23:30:13,980 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientOutbuffer
[2019-10-14 23:30:13,981 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize
[2019-10-14 23:30:13,981 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize
[2019-10-14 23:30:13,981 INFO  L138     BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry
[2019-10-14 23:30:13,982 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias
[2019-10-14 23:30:13,982 INFO  L138     BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias
[2019-10-14 23:30:13,982 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias
[2019-10-14 23:30:13,982 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress
[2019-10-14 23:30:13,983 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress
[2019-10-14 23:30:13,983 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientAutoResponse
[2019-10-14 23:30:13,983 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientAutoResponse
[2019-10-14 23:30:13,984 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientPrivateKey
[2019-10-14 23:30:13,984 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientPrivateKey
[2019-10-14 23:30:13,984 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientKeyringSize
[2019-10-14 23:30:13,985 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringSize
[2019-10-14 23:30:13,985 INFO  L138     BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry
[2019-10-14 23:30:13,986 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientKeyringUser
[2019-10-14 23:30:13,986 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringUser
[2019-10-14 23:30:13,986 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey
[2019-10-14 23:30:13,987 INFO  L138     BoogieDeclarations]: Found implementation of procedure findPublicKey
[2019-10-14 23:30:13,987 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey
[2019-10-14 23:30:13,988 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver
[2019-10-14 23:30:13,988 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver
[2019-10-14 23:30:13,989 INFO  L138     BoogieDeclarations]: Found implementation of procedure getClientId
[2019-10-14 23:30:13,989 INFO  L138     BoogieDeclarations]: Found implementation of procedure setClientId
[2019-10-14 23:30:13,990 INFO  L138     BoogieDeclarations]: Found implementation of procedure initEmail
[2019-10-14 23:30:13,990 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailId
[2019-10-14 23:30:13,990 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailId
[2019-10-14 23:30:13,990 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailFrom
[2019-10-14 23:30:13,990 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailFrom
[2019-10-14 23:30:13,991 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailTo
[2019-10-14 23:30:13,991 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailTo
[2019-10-14 23:30:13,991 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailSubject
[2019-10-14 23:30:13,991 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailSubject
[2019-10-14 23:30:13,991 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailBody
[2019-10-14 23:30:13,992 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailBody
[2019-10-14 23:30:13,992 INFO  L138     BoogieDeclarations]: Found implementation of procedure isEncrypted
[2019-10-14 23:30:13,992 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted
[2019-10-14 23:30:13,992 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey
[2019-10-14 23:30:13,992 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey
[2019-10-14 23:30:13,993 INFO  L138     BoogieDeclarations]: Found implementation of procedure isSigned
[2019-10-14 23:30:13,993 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailIsSigned
[2019-10-14 23:30:13,993 INFO  L138     BoogieDeclarations]: Found implementation of procedure getEmailSignKey
[2019-10-14 23:30:13,993 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailSignKey
[2019-10-14 23:30:13,993 INFO  L138     BoogieDeclarations]: Found implementation of procedure isVerified
[2019-10-14 23:30:13,994 INFO  L138     BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified
[2019-10-14 23:30:13,994 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-14 23:30:13,994 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-14 23:30:13,994 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-10-14 23:30:13,994 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-10-14 23:30:13,995 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailId
[2019-10-14 23:30:13,995 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailFrom
[2019-10-14 23:30:13,995 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailFrom
[2019-10-14 23:30:13,996 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailTo
[2019-10-14 23:30:13,996 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailTo
[2019-10-14 23:30:13,996 INFO  L130     BoogieDeclarations]: Found specification of procedure isEncrypted
[2019-10-14 23:30:13,996 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey
[2019-10-14 23:30:13,997 INFO  L130     BoogieDeclarations]: Found specification of procedure isSigned
[2019-10-14 23:30:13,998 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailSignKey
[2019-10-14 23:30:13,998 INFO  L130     BoogieDeclarations]: Found specification of procedure isVerified
[2019-10-14 23:30:13,998 INFO  L130     BoogieDeclarations]: Found specification of procedure printMail
[2019-10-14 23:30:13,999 INFO  L130     BoogieDeclarations]: Found specification of procedure isReadable
[2019-10-14 23:30:13,999 INFO  L130     BoogieDeclarations]: Found specification of procedure createEmail
[2019-10-14 23:30:13,999 INFO  L130     BoogieDeclarations]: Found specification of procedure cloneEmail
[2019-10-14 23:30:13,999 INFO  L130     BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys
[2019-10-14 23:30:14,000 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-14 23:30:14,000 INFO  L130     BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt
[2019-10-14 23:30:14,001 INFO  L130     BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign
[2019-10-14 23:30:14,001 INFO  L130     BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys
[2019-10-14 23:30:14,001 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-10-14 23:30:14,002 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-10-14 23:30:14,002 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-10-14 23:30:14,002 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-10-14 23:30:14,003 INFO  L130     BoogieDeclarations]: Found specification of procedure puts
[2019-10-14 23:30:14,008 INFO  L130     BoogieDeclarations]: Found specification of procedure initClient
[2019-10-14 23:30:14,008 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientPrivateKey
[2019-10-14 23:30:14,009 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientPrivateKey
[2019-10-14 23:30:14,009 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientId
[2019-10-14 23:30:14,017 INFO  L130     BoogieDeclarations]: Found specification of procedure findPublicKey
[2019-10-14 23:30:14,017 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted
[2019-10-14 23:30:14,017 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey
[2019-10-14 23:30:14,018 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailIsSigned
[2019-10-14 23:30:14,018 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailSignKey
[2019-10-14 23:30:14,018 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified
[2019-10-14 23:30:14,018 INFO  L130     BoogieDeclarations]: Found specification of procedure queue
[2019-10-14 23:30:14,019 INFO  L130     BoogieDeclarations]: Found specification of procedure is_queue_empty
[2019-10-14 23:30:14,019 INFO  L130     BoogieDeclarations]: Found specification of procedure get_queued_client
[2019-10-14 23:30:14,019 INFO  L130     BoogieDeclarations]: Found specification of procedure get_queued_email
[2019-10-14 23:30:14,019 INFO  L130     BoogieDeclarations]: Found specification of procedure mail
[2019-10-14 23:30:14,019 INFO  L130     BoogieDeclarations]: Found specification of procedure outgoing
[2019-10-14 23:30:14,019 INFO  L130     BoogieDeclarations]: Found specification of procedure deliver
[2019-10-14 23:30:14,019 INFO  L130     BoogieDeclarations]: Found specification of procedure incoming
[2019-10-14 23:30:14,020 INFO  L130     BoogieDeclarations]: Found specification of procedure createClient
[2019-10-14 23:30:14,020 INFO  L130     BoogieDeclarations]: Found specification of procedure sendEmail
[2019-10-14 23:30:14,020 INFO  L130     BoogieDeclarations]: Found specification of procedure isKeyPairValid
[2019-10-14 23:30:14,020 INFO  L130     BoogieDeclarations]: Found specification of procedure generateKeyPair
[2019-10-14 23:30:14,020 INFO  L130     BoogieDeclarations]: Found specification of procedure sign
[2019-10-14 23:30:14,020 INFO  L130     BoogieDeclarations]: Found specification of procedure verify
[2019-10-14 23:30:14,020 INFO  L130     BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys
[2019-10-14 23:30:14,020 INFO  L130     BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt
[2019-10-14 23:30:14,021 INFO  L130     BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign
[2019-10-14 23:30:14,021 INFO  L130     BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify
[2019-10-14 23:30:14,021 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1
[2019-10-14 23:30:14,021 INFO  L130     BoogieDeclarations]: Found specification of procedure createClientKeyringEntry
[2019-10-14 23:30:14,021 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientKeyringUser
[2019-10-14 23:30:14,021 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringUser
[2019-10-14 23:30:14,021 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey
[2019-10-14 23:30:14,022 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey
[2019-10-14 23:30:14,022 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientId
[2019-10-14 23:30:14,022 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_bob
[2019-10-14 23:30:14,022 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_rjh
[2019-10-14 23:30:14,022 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_chuck
[2019-10-14 23:30:14,022 INFO  L130     BoogieDeclarations]: Found specification of procedure bobToRjh
[2019-10-14 23:30:14,023 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhToBob
[2019-10-14 23:30:14,023 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-10-14 23:30:14,023 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-10-14 23:30:14,023 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-14 23:30:14,023 INFO  L130     BoogieDeclarations]: Found specification of procedure bobKeyAdd
[2019-10-14 23:30:14,023 INFO  L130     BoogieDeclarations]: Found specification of procedure bobKeyAddChuck
[2019-10-14 23:30:14,023 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhKeyAdd
[2019-10-14 23:30:14,024 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck
[2019-10-14 23:30:14,024 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckKeyAdd
[2019-10-14 23:30:14,024 INFO  L130     BoogieDeclarations]: Found specification of procedure bobKeyChange
[2019-10-14 23:30:14,024 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhKeyChange
[2019-10-14 23:30:14,024 INFO  L130     BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey
[2019-10-14 23:30:14,024 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh
[2019-10-14 23:30:14,024 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base
[2019-10-14 23:30:14,025 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base
[2019-10-14 23:30:14,025 INFO  L130     BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base
[2019-10-14 23:30:14,025 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-10-14 23:30:14,025 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-10-14 23:30:14,025 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-14 23:30:14,025 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-10-14 23:30:14,026 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-10-14 23:30:14,026 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-14 23:30:14,026 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-14 23:30:14,026 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-14 23:30:14,026 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-10-14 23:30:14,026 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-14 23:30:14,026 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-10-14 23:30:14,026 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-10-14 23:30:14,027 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-14 23:30:14,027 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-10-14 23:30:14,027 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-10-14 23:30:14,027 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-10-14 23:30:14,027 INFO  L130     BoogieDeclarations]: Found specification of procedure prompt
[2019-10-14 23:30:14,027 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientName
[2019-10-14 23:30:14,027 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientName
[2019-10-14 23:30:14,028 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientOutbuffer
[2019-10-14 23:30:14,028 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientOutbuffer
[2019-10-14 23:30:14,028 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientAddressBookSize
[2019-10-14 23:30:14,028 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientAddressBookSize
[2019-10-14 23:30:14,028 INFO  L130     BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry
[2019-10-14 23:30:14,028 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias
[2019-10-14 23:30:14,028 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias
[2019-10-14 23:30:14,029 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress
[2019-10-14 23:30:14,029 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress
[2019-10-14 23:30:14,029 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientAutoResponse
[2019-10-14 23:30:14,029 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientAutoResponse
[2019-10-14 23:30:14,029 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientKeyringSize
[2019-10-14 23:30:14,029 INFO  L130     BoogieDeclarations]: Found specification of procedure getClientForwardReceiver
[2019-10-14 23:30:14,029 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientForwardReceiver
[2019-10-14 23:30:14,029 INFO  L130     BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias
[2019-10-14 23:30:14,030 INFO  L130     BoogieDeclarations]: Found specification of procedure setClientKeyringSize
[2019-10-14 23:30:14,030 INFO  L130     BoogieDeclarations]: Found specification of procedure initEmail
[2019-10-14 23:30:14,030 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailId
[2019-10-14 23:30:14,030 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailSubject
[2019-10-14 23:30:14,030 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailSubject
[2019-10-14 23:30:14,030 INFO  L130     BoogieDeclarations]: Found specification of procedure getEmailBody
[2019-10-14 23:30:14,030 INFO  L130     BoogieDeclarations]: Found specification of procedure setEmailBody
[2019-10-14 23:30:14,031 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-14 23:30:14,031 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-14 23:30:14,031 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-14 23:30:16,337 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-14 23:30:16,338 INFO  L284             CfgBuilder]: Removed 4 assume(true) statements.
[2019-10-14 23:30:16,340 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:30:16 BoogieIcfgContainer
[2019-10-14 23:30:16,340 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-14 23:30:16,342 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-14 23:30:16,342 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-14 23:30:16,345 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-14 23:30:16,346 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:30:12" (1/3) ...
[2019-10-14 23:30:16,347 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aec498e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:30:16, skipping insertion in model container
[2019-10-14 23:30:16,347 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:13" (2/3) ...
[2019-10-14 23:30:16,347 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aec498e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:30:16, skipping insertion in model container
[2019-10-14 23:30:16,348 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:30:16" (3/3) ...
[2019-10-14 23:30:16,349 INFO  L109   eAbstractionObserver]: Analyzing ICFG email_spec7_product28.cil.c
[2019-10-14 23:30:16,360 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-14 23:30:16,371 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-14 23:30:16,383 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-14 23:30:16,426 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-14 23:30:16,427 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-14 23:30:16,427 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-14 23:30:16,427 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-14 23:30:16,427 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-14 23:30:16,427 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-14 23:30:16,427 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-14 23:30:16,427 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-14 23:30:16,466 INFO  L276                IsEmpty]: Start isEmpty. Operand 505 states.
[2019-10-14 23:30:16,509 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 183
[2019-10-14 23:30:16,510 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-14 23:30:16,511 INFO  L380         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-14 23:30:16,514 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-14 23:30:16,525 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-14 23:30:16,525 INFO  L82        PathProgramCache]: Analyzing trace with hash 791417093, now seen corresponding path program 1 times
[2019-10-14 23:30:16,536 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-14 23:30:16,536 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737014601]
[2019-10-14 23:30:16,540 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-14 23:30:16,540 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-14 23:30:16,541 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-14 23:30:16,995 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,028 WARN  L191               SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 541
[2019-10-14 23:30:19,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,166 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,190 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,202 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,204 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,208 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,215 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,272 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,329 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:19,472 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2019-10-14 23:30:19,473 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737014601]
[2019-10-14 23:30:19,474 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-14 23:30:19,474 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2019-10-14 23:30:19,474 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181545429]
[2019-10-14 23:30:19,479 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 11 states
[2019-10-14 23:30:19,479 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-14 23:30:19,493 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2019-10-14 23:30:19,494 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110
[2019-10-14 23:30:19,496 INFO  L87              Difference]: Start difference. First operand 505 states. Second operand 11 states.
[2019-10-14 23:30:32,645 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-14 23:30:32,645 INFO  L93              Difference]: Finished difference Result 1176 states and 1757 transitions.
[2019-10-14 23:30:32,645 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2019-10-14 23:30:32,647 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 182
[2019-10-14 23:30:32,647 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-14 23:30:32,671 INFO  L225             Difference]: With dead ends: 1176
[2019-10-14 23:30:32,671 INFO  L226             Difference]: Without dead ends: 779
[2019-10-14 23:30:32,681 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722
[2019-10-14 23:30:32,700 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 779 states.
[2019-10-14 23:30:32,930 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 454.
[2019-10-14 23:30:32,932 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 454 states.
[2019-10-14 23:30:32,935 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 605 transitions.
[2019-10-14 23:30:32,937 INFO  L78                 Accepts]: Start accepts. Automaton has 454 states and 605 transitions. Word has length 182
[2019-10-14 23:30:32,938 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-14 23:30:32,938 INFO  L462      AbstractCegarLoop]: Abstraction has 454 states and 605 transitions.
[2019-10-14 23:30:32,938 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2019-10-14 23:30:32,939 INFO  L276                IsEmpty]: Start isEmpty. Operand 454 states and 605 transitions.
[2019-10-14 23:30:32,944 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2019-10-14 23:30:32,944 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-14 23:30:32,944 INFO  L380         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-14 23:30:32,945 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-14 23:30:32,945 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-14 23:30:32,945 INFO  L82        PathProgramCache]: Analyzing trace with hash 34062624, now seen corresponding path program 1 times
[2019-10-14 23:30:32,946 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-14 23:30:32,946 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416121347]
[2019-10-14 23:30:32,946 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-14 23:30:32,946 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-14 23:30:32,946 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-14 23:30:32,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,624 WARN  L191               SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 541
[2019-10-14 23:30:34,634 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,652 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,755 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,777 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,786 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,826 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,868 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,890 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,896 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,902 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:34,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:35,010 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2019-10-14 23:30:35,010 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416121347]
[2019-10-14 23:30:35,011 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-14 23:30:35,011 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2019-10-14 23:30:35,011 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867750958]
[2019-10-14 23:30:35,024 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 12 states
[2019-10-14 23:30:35,025 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-14 23:30:35,025 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2019-10-14 23:30:35,030 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132
[2019-10-14 23:30:35,030 INFO  L87              Difference]: Start difference. First operand 454 states and 605 transitions. Second operand 12 states.
[2019-10-14 23:30:39,230 WARN  L191               SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 544
[2019-10-14 23:30:51,008 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-14 23:30:51,008 INFO  L93              Difference]: Finished difference Result 1015 states and 1433 transitions.
[2019-10-14 23:30:51,009 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2019-10-14 23:30:51,009 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 183
[2019-10-14 23:30:51,010 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-14 23:30:51,018 INFO  L225             Difference]: With dead ends: 1015
[2019-10-14 23:30:51,018 INFO  L226             Difference]: Without dead ends: 782
[2019-10-14 23:30:51,021 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552
[2019-10-14 23:30:51,022 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 782 states.
[2019-10-14 23:30:51,201 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 456.
[2019-10-14 23:30:51,201 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 456 states.
[2019-10-14 23:30:51,204 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 607 transitions.
[2019-10-14 23:30:51,204 INFO  L78                 Accepts]: Start accepts. Automaton has 456 states and 607 transitions. Word has length 183
[2019-10-14 23:30:51,205 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-14 23:30:51,205 INFO  L462      AbstractCegarLoop]: Abstraction has 456 states and 607 transitions.
[2019-10-14 23:30:51,205 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2019-10-14 23:30:51,205 INFO  L276                IsEmpty]: Start isEmpty. Operand 456 states and 607 transitions.
[2019-10-14 23:30:51,209 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2019-10-14 23:30:51,209 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-14 23:30:51,209 INFO  L380         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-14 23:30:51,210 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-14 23:30:51,210 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-14 23:30:51,210 INFO  L82        PathProgramCache]: Analyzing trace with hash 2105837044, now seen corresponding path program 1 times
[2019-10-14 23:30:51,210 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-14 23:30:51,210 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616835149]
[2019-10-14 23:30:51,211 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-14 23:30:51,211 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-14 23:30:51,211 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-14 23:30:51,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,785 WARN  L191               SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 541
[2019-10-14 23:30:52,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,811 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,813 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,860 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,947 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,949 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:52,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:53,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:53,033 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:53,070 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:53,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:53,077 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:53,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:53,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:53,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:53,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:53,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:53,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:53,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-14 23:30:53,196 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2019-10-14 23:30:53,197 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616835149]
[2019-10-14 23:30:53,197 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-14 23:30:53,198 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2019-10-14 23:30:53,198 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125854737]
[2019-10-14 23:30:53,201 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 12 states
[2019-10-14 23:30:53,201 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-14 23:30:53,202 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2019-10-14 23:30:53,202 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132
[2019-10-14 23:30:53,203 INFO  L87              Difference]: Start difference. First operand 456 states and 607 transitions. Second operand 12 states.