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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:14:13,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:14:13,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:14:13,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:14:13,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:14:13,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:14:13,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:14:13,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:14:13,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:14:13,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:14:13,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:14:13,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:14:13,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:14:13,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:14:13,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:14:13,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:14:13,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:14:13,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:14:13,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:14:13,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:14:13,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:14:13,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:14:13,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:14:13,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:14:13,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:14:13,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:14:13,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:14:13,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:14:13,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:14:13,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:14:13,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:14:13,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:14:13,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:14:13,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:14:13,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:14:13,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:14:13,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:14:13,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:14:13,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:14:13,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:14:13,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:14:13,348 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 [2019-10-13 21:14:13,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:14:13,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:14:13,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:14:13,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:14:13,369 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:14:13,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:14:13,370 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:14:13,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:14:13,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:14:13,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:14:13,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:14:13,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:14:13,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:14:13,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:14:13,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:14:13,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:14:13,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:14:13,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:14:13,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:14:13,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:14:13,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:14:13,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:14:13,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:14:13,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:14:13,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:14:13,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:14:13,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:14:13,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:14:13,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:14:13,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:14:13,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:14:13,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:14:13,691 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:14:13,692 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:14:13,693 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2019-10-13 21:14:13,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f793beab1/8c2b9611129a45fa943db0e5c55ec61d/FLAG7b1ca944e [2019-10-13 21:14:14,366 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:14:14,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2019-10-13 21:14:14,395 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f793beab1/8c2b9611129a45fa943db0e5c55ec61d/FLAG7b1ca944e [2019-10-13 21:14:14,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f793beab1/8c2b9611129a45fa943db0e5c55ec61d [2019-10-13 21:14:14,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:14:14,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:14:14,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:14:14,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:14:14,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:14:14,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:14:14" (1/1) ... [2019-10-13 21:14:14,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2837cd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:14, skipping insertion in model container [2019-10-13 21:14:14,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:14:14" (1/1) ... [2019-10-13 21:14:14,621 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:14:14,680 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:14:15,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:14:15,506 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:14:15,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:14:15,749 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:14:15,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:15 WrapperNode [2019-10-13 21:14:15,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:14:15,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:14:15,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:14:15,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:14:15,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:15" (1/1) ... [2019-10-13 21:14:15,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:15" (1/1) ... [2019-10-13 21:14:15,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:15" (1/1) ... [2019-10-13 21:14:15,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:15" (1/1) ... [2019-10-13 21:14:15,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:15" (1/1) ... [2019-10-13 21:14:15,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:15" (1/1) ... [2019-10-13 21:14:15,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:15" (1/1) ... [2019-10-13 21:14:15,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:14:15,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:14:15,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:14:15,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:14:15,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:15" (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 [2019-10-13 21:14:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:14:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:14:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:14:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 21:14:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-13 21:14:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-13 21:14:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 21:14:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 21:14:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 21:14:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 21:14:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 21:14:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 21:14:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 21:14:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 21:14:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 21:14:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 21:14:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 21:14:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 21:14:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 21:14:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 21:14:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:14:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:14:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 21:14:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 21:14:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 21:14:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 21:14:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 21:14:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 21:14:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 21:14:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 21:14:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 21:14:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 21:14:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:14:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:14:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:14:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:14:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:14:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:14:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 21:14:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 21:14:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 21:14:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 21:14:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 21:14:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 21:14:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 21:14:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 21:14:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 21:14:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 21:14:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 21:14:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 21:14:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 21:14:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 21:14:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 21:14:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 21:14:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 21:14:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 21:14:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 21:14:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 21:14:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 21:14:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 21:14:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 21:14:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 21:14:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 21:14:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 21:14:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 21:14:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 21:14:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 21:14:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 21:14:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 21:14:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 21:14:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 21:14:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 21:14:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 21:14:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 21:14:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 21:14:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 21:14:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 21:14:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 21:14:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 21:14:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 21:14:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 21:14:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 21:14:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 21:14:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 21:14:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 21:14:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 21:14:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 21:14:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 21:14:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 21:14:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 21:14:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 21:14:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 21:14:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 21:14:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 21:14:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 21:14:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 21:14:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 21:14:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 21:14:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 21:14:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 21:14:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 21:14:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 21:14:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 21:14:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 21:14:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 21:14:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 21:14:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 21:14:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 21:14:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:14:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:14:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:14:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:14:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:14:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:14:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 21:14:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:14:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:14:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:14:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 21:14:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 21:14:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 21:14:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 21:14:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 21:14:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 21:14:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 21:14:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 21:14:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 21:14:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 21:14:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 21:14:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 21:14:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 21:14:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 21:14:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 21:14:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:14:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-13 21:14:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-13 21:14:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 21:14:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:14:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 21:14:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 21:14:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 21:14:16,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 21:14:16,094 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 21:14:16,094 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 21:14:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 21:14:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 21:14:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 21:14:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 21:14:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:14:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:14:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:14:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 21:14:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 21:14:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 21:14:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 21:14:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 21:14:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 21:14:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 21:14:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 21:14:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 21:14:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 21:14:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 21:14:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:14:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:14:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:14:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 21:14:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 21:14:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 21:14:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 21:14:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 21:14:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 21:14:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 21:14:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 21:14:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 21:14:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 21:14:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 21:14:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 21:14:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 21:14:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:14:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:14:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:14:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:14:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:14:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:14:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:14:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:14:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:14:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:14:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:14:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:14:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:14:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:14:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:14:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:14:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 21:14:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 21:14:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 21:14:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 21:14:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 21:14:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 21:14:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 21:14:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 21:14:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 21:14:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 21:14:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 21:14:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 21:14:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 21:14:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 21:14:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 21:14:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 21:14:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 21:14:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 21:14:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 21:14:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 21:14:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 21:14:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 21:14:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 21:14:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 21:14:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 21:14:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 21:14:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 21:14:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 21:14:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 21:14:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 21:14:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 21:14:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 21:14:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 21:14:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 21:14:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 21:14:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 21:14:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 21:14:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 21:14:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 21:14:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 21:14:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 21:14:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 21:14:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 21:14:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 21:14:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 21:14:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 21:14:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:14:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 21:14:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:14:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:14:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:14:18,345 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:14:18,346 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 21:14:18,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:18 BoogieIcfgContainer [2019-10-13 21:14:18,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:14:18,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:14:18,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:14:18,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:14:18,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:14:14" (1/3) ... [2019-10-13 21:14:18,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe66366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:18, skipping insertion in model container [2019-10-13 21:14:18,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:15" (2/3) ... [2019-10-13 21:14:18,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe66366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:18, skipping insertion in model container [2019-10-13 21:14:18,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:18" (3/3) ... [2019-10-13 21:14:18,355 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product30.cil.c [2019-10-13 21:14:18,365 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:14:18,375 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:14:18,387 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:14:18,421 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:14:18,421 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:14:18,422 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:14:18,426 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:14:18,426 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:14:18,426 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:14:18,426 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:14:18,427 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:14:18,468 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states. [2019-10-13 21:14:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-13 21:14:18,505 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:18,509 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:18,512 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:18,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:18,521 INFO L82 PathProgramCache]: Analyzing trace with hash -928970746, now seen corresponding path program 1 times [2019-10-13 21:14:18,530 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:18,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310627613] [2019-10-13 21:14:18,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:18,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:18,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:19,160 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310627613] [2019-10-13 21:14:19,161 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:19,161 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:14:19,161 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012613084] [2019-10-13 21:14:19,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:14:19,168 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:19,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:14:19,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:14:19,183 INFO L87 Difference]: Start difference. First operand 544 states. Second operand 2 states. [2019-10-13 21:14:19,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:19,249 INFO L93 Difference]: Finished difference Result 774 states and 1022 transitions. [2019-10-13 21:14:19,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:14:19,251 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-10-13 21:14:19,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:19,273 INFO L225 Difference]: With dead ends: 774 [2019-10-13 21:14:19,273 INFO L226 Difference]: Without dead ends: 493 [2019-10-13 21:14:19,280 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:14:19,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2019-10-13 21:14:19,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2019-10-13 21:14:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2019-10-13 21:14:19,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 655 transitions. [2019-10-13 21:14:19,365 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 655 transitions. Word has length 158 [2019-10-13 21:14:19,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:19,367 INFO L462 AbstractCegarLoop]: Abstraction has 493 states and 655 transitions. [2019-10-13 21:14:19,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:14:19,367 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 655 transitions. [2019-10-13 21:14:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-13 21:14:19,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:19,371 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:19,372 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:19,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:19,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1108945686, now seen corresponding path program 1 times [2019-10-13 21:14:19,372 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:19,372 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507889369] [2019-10-13 21:14:19,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:19,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:19,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:19,609 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:19,610 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507889369] [2019-10-13 21:14:19,610 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:19,610 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:19,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606703740] [2019-10-13 21:14:19,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:19,621 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:19,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:19,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:19,621 INFO L87 Difference]: Start difference. First operand 493 states and 655 transitions. Second operand 3 states. [2019-10-13 21:14:19,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:19,711 INFO L93 Difference]: Finished difference Result 757 states and 990 transitions. [2019-10-13 21:14:19,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:19,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-13 21:14:19,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:19,717 INFO L225 Difference]: With dead ends: 757 [2019-10-13 21:14:19,717 INFO L226 Difference]: Without dead ends: 496 [2019-10-13 21:14:19,720 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:19,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2019-10-13 21:14:19,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 495. [2019-10-13 21:14:19,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2019-10-13 21:14:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 657 transitions. [2019-10-13 21:14:19,764 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 657 transitions. Word has length 159 [2019-10-13 21:14:19,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:19,764 INFO L462 AbstractCegarLoop]: Abstraction has 495 states and 657 transitions. [2019-10-13 21:14:19,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:19,765 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 657 transitions. [2019-10-13 21:14:19,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-13 21:14:19,769 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:19,769 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:19,769 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:19,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:19,770 INFO L82 PathProgramCache]: Analyzing trace with hash -224355654, now seen corresponding path program 1 times [2019-10-13 21:14:19,770 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:19,775 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988531738] [2019-10-13 21:14:19,776 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:19,776 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:19,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:20,055 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:20,056 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988531738] [2019-10-13 21:14:20,056 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:20,056 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:20,056 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464609150] [2019-10-13 21:14:20,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:20,060 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:20,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:20,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:20,061 INFO L87 Difference]: Start difference. First operand 495 states and 657 transitions. Second operand 3 states. [2019-10-13 21:14:20,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:20,117 INFO L93 Difference]: Finished difference Result 966 states and 1312 transitions. [2019-10-13 21:14:20,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:20,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-10-13 21:14:20,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:20,125 INFO L225 Difference]: With dead ends: 966 [2019-10-13 21:14:20,125 INFO L226 Difference]: Without dead ends: 536 [2019-10-13 21:14:20,131 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:20,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-10-13 21:14:20,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 535. [2019-10-13 21:14:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2019-10-13 21:14:20,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 726 transitions. [2019-10-13 21:14:20,185 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 726 transitions. Word has length 169 [2019-10-13 21:14:20,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:20,187 INFO L462 AbstractCegarLoop]: Abstraction has 535 states and 726 transitions. [2019-10-13 21:14:20,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 726 transitions. [2019-10-13 21:14:20,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-13 21:14:20,195 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:20,195 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:20,195 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:20,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:20,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1274478536, now seen corresponding path program 1 times [2019-10-13 21:14:20,198 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:20,199 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396539957] [2019-10-13 21:14:20,199 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:20,199 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:20,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:20,446 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:20,446 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396539957] [2019-10-13 21:14:20,446 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:20,446 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:20,447 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625006641] [2019-10-13 21:14:20,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:20,448 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:20,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:20,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:20,449 INFO L87 Difference]: Start difference. First operand 535 states and 726 transitions. Second operand 3 states. [2019-10-13 21:14:20,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:20,487 INFO L93 Difference]: Finished difference Result 1083 states and 1514 transitions. [2019-10-13 21:14:20,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:20,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-13 21:14:20,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:20,494 INFO L225 Difference]: With dead ends: 1083 [2019-10-13 21:14:20,494 INFO L226 Difference]: Without dead ends: 613 [2019-10-13 21:14:20,496 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:20,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2019-10-13 21:14:20,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 612. [2019-10-13 21:14:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2019-10-13 21:14:20,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 858 transitions. [2019-10-13 21:14:20,525 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 858 transitions. Word has length 170 [2019-10-13 21:14:20,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:20,526 INFO L462 AbstractCegarLoop]: Abstraction has 612 states and 858 transitions. [2019-10-13 21:14:20,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 858 transitions. [2019-10-13 21:14:20,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-13 21:14:20,531 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:20,531 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:20,531 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:20,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:20,532 INFO L82 PathProgramCache]: Analyzing trace with hash 124962842, now seen corresponding path program 1 times [2019-10-13 21:14:20,532 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:20,533 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290733965] [2019-10-13 21:14:20,533 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:20,533 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:20,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:20,734 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290733965] [2019-10-13 21:14:20,734 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:20,734 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:20,734 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786681520] [2019-10-13 21:14:20,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:20,735 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:20,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:20,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:20,736 INFO L87 Difference]: Start difference. First operand 612 states and 858 transitions. Second operand 3 states. [2019-10-13 21:14:20,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:20,768 INFO L93 Difference]: Finished difference Result 1308 states and 1900 transitions. [2019-10-13 21:14:20,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:20,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-10-13 21:14:20,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:20,774 INFO L225 Difference]: With dead ends: 1308 [2019-10-13 21:14:20,774 INFO L226 Difference]: Without dead ends: 761 [2019-10-13 21:14:20,776 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:20,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2019-10-13 21:14:20,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 760. [2019-10-13 21:14:20,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2019-10-13 21:14:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1110 transitions. [2019-10-13 21:14:20,812 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1110 transitions. Word has length 171 [2019-10-13 21:14:20,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:20,813 INFO L462 AbstractCegarLoop]: Abstraction has 760 states and 1110 transitions. [2019-10-13 21:14:20,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:20,813 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1110 transitions. [2019-10-13 21:14:20,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-13 21:14:20,820 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:20,820 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:20,821 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:20,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:20,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1376144088, now seen corresponding path program 1 times [2019-10-13 21:14:20,822 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:20,822 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19095664] [2019-10-13 21:14:20,822 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:20,823 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:20,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:21,015 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19095664] [2019-10-13 21:14:21,015 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:21,016 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:21,016 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821723867] [2019-10-13 21:14:21,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:21,017 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:21,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:21,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:21,018 INFO L87 Difference]: Start difference. First operand 760 states and 1110 transitions. Second operand 3 states. [2019-10-13 21:14:21,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:21,075 INFO L93 Difference]: Finished difference Result 1740 states and 2636 transitions. [2019-10-13 21:14:21,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:21,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-13 21:14:21,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:21,084 INFO L225 Difference]: With dead ends: 1740 [2019-10-13 21:14:21,084 INFO L226 Difference]: Without dead ends: 1045 [2019-10-13 21:14:21,088 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:21,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2019-10-13 21:14:21,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1044. [2019-10-13 21:14:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2019-10-13 21:14:21,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1590 transitions. [2019-10-13 21:14:21,136 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1590 transitions. Word has length 172 [2019-10-13 21:14:21,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:21,137 INFO L462 AbstractCegarLoop]: Abstraction has 1044 states and 1590 transitions. [2019-10-13 21:14:21,137 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:21,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1590 transitions. [2019-10-13 21:14:21,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-13 21:14:21,146 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:21,147 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:21,147 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:21,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:21,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1552369098, now seen corresponding path program 1 times [2019-10-13 21:14:21,148 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:21,148 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623255803] [2019-10-13 21:14:21,149 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:21,149 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:21,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 21:14:22,755 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623255803] [2019-10-13 21:14:22,755 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:22,755 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2019-10-13 21:14:22,756 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775706952] [2019-10-13 21:14:22,756 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-10-13 21:14:22,756 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:22,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-10-13 21:14:22,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1717, Unknown=0, NotChecked=0, Total=1806 [2019-10-13 21:14:22,758 INFO L87 Difference]: Start difference. First operand 1044 states and 1590 transitions. Second operand 43 states.