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_spec0_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:23:30,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:23:30,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:23:30,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:23:30,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:23:30,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:23:30,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:23:30,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:23:30,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:23:30,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:23:30,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:23:30,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:23:30,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:23:30,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:23:30,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:23:30,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:23:30,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:23:30,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:23:30,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:23:30,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:23:30,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:23:30,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:23:30,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:23:30,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:23:30,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:23:30,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:23:30,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:23:30,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:23:30,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:23:30,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:23:30,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:23:30,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:23:30,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:23:30,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:23:30,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:23:30,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:23:30,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:23:30,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:23:30,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:23:30,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:23:30,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:23:30,628 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 23:23:30,661 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:23:30,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:23:30,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:23:30,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:23:30,663 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:23:30,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:23:30,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:23:30,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:23:30,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:23:30,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:23:30,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:23:30,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:23:30,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:23:30,665 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:23:30,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:23:30,665 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:23:30,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:23:30,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:23:30,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:23:30,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:23:30,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:23:30,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:23:30,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:23:30,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:23:30,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:23:30,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:23:30,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:23:30,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:23:30,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:23:30,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:23:30,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:23:30,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:23:30,969 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:23:30,969 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:23:30,970 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product11.cil.c [2019-10-14 23:23:31,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4a943253/19eb881ead2947f18270d9f8d02d36b5/FLAG45f74fe68 [2019-10-14 23:23:31,615 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:23:31,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product11.cil.c [2019-10-14 23:23:31,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4a943253/19eb881ead2947f18270d9f8d02d36b5/FLAG45f74fe68 [2019-10-14 23:23:31,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4a943253/19eb881ead2947f18270d9f8d02d36b5 [2019-10-14 23:23:31,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:23:31,862 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:23:31,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:23:31,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:23:31,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:23:31,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:23:31" (1/1) ... [2019-10-14 23:23:31,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c535360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:31, skipping insertion in model container [2019-10-14 23:23:31,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:23:31" (1/1) ... [2019-10-14 23:23:31,881 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:23:31,966 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:23:32,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:23:32,791 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:23:32,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:23:33,038 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:23:33,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:33 WrapperNode [2019-10-14 23:23:33,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:23:33,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:23:33,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:23:33,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:23:33,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:33" (1/1) ... [2019-10-14 23:23:33,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:33" (1/1) ... [2019-10-14 23:23:33,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:33" (1/1) ... [2019-10-14 23:23:33,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:33" (1/1) ... [2019-10-14 23:23:33,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:33" (1/1) ... [2019-10-14 23:23:33,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:33" (1/1) ... [2019-10-14 23:23:33,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:33" (1/1) ... [2019-10-14 23:23:33,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:23:33,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:23:33,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:23:33,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:23:33,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:33" (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 23:23:33,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:23:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:23:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:23:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:23:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:23:33,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:23:33,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:23:33,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:23:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:23:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:23:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:23:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:23:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:23:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:23:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:23:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:23:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:23:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:23:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:23:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:23:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:23:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:23:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:23:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:23:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:23:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:23:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:23:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:23:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:23:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:23:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:23:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:23:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:23:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:23:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:23:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:23:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:23:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:23:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:23:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:23:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:23:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:23:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:23:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:23:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:23:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:23:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:23:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:23:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:23:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:23:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:23:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-14 23:23:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-14 23:23:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:23:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:23:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:23:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:23:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:23:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:23:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:23:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:23:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:23:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:23:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-14 23:23:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:23:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:23:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:23:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:23:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:23:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:23:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:23:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:23:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:23:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-14 23:23:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:23:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:23:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:23:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:23:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:23:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:23:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:23:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:23:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:23:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:23:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:23:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:23:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:23:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:23:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:23:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:23:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:23:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:23:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:23:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:23:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:23:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:23:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:23:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:23:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:23:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:23:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:23:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:23:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:23:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:23:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:23:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:23:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:23:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:23:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:23:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:23:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:23:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:23:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:23:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:23:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:23:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:23:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:23:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:23:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:23:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:23:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:23:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:23:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:23:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:23:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:23:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:23:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:23:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:23:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:23:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:23:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:23:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:23:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:23:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:23:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:23:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:23:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:23:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:23:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:23:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:23:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:23:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:23:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:23:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:23:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:23:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:23:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:23:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:23:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:23:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:23:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:23:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:23:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:23:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:23:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:23:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:23:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:23:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:23:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:23:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:23:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:23:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:23:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:23:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:23:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:23:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:23:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:23:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:23:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:23:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:23:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-14 23:23:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:23:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:23:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:23:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:23:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-14 23:23:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:23:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:23:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:23:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:23:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:23:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:23:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:23:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:23:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:23:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:23:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:23:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:23:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:23:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:23:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:23:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:23:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:23:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:23:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:23:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:23:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:23:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:23:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:23:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:23:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:23:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-14 23:23:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-14 23:23:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:23:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:23:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:23:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:23:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:23:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:23:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:23:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:23:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:23:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:23:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:23:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:23:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:23:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:23:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:23:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:23:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:23:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:23:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:23:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:23:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:23:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:23:35,375 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:23:35,375 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:23:35,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:23:35 BoogieIcfgContainer [2019-10-14 23:23:35,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:23:35,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:23:35,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:23:35,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:23:35,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:23:31" (1/3) ... [2019-10-14 23:23:35,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38742730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:23:35, skipping insertion in model container [2019-10-14 23:23:35,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:33" (2/3) ... [2019-10-14 23:23:35,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38742730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:23:35, skipping insertion in model container [2019-10-14 23:23:35,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:23:35" (3/3) ... [2019-10-14 23:23:35,390 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product11.cil.c [2019-10-14 23:23:35,406 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:23:35,422 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:23:35,436 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:23:35,486 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:23:35,486 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:23:35,486 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:23:35,486 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:23:35,486 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:23:35,486 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:23:35,487 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:23:35,487 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:23:35,526 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states. [2019-10-14 23:23:35,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-14 23:23:35,559 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:35,561 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-14 23:23:35,563 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:35,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:35,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1891169114, now seen corresponding path program 1 times [2019-10-14 23:23:35,579 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:35,579 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985361822] [2019-10-14 23:23:35,579 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:35,579 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:35,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:37,926 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 523 [2019-10-14 23:23:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:38,269 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-14 23:23:38,270 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985361822] [2019-10-14 23:23:38,271 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:38,271 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:23:38,271 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892563318] [2019-10-14 23:23:38,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:23:38,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:38,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:23:38,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:23:38,295 INFO L87 Difference]: Start difference. First operand 386 states. Second operand 10 states. [2019-10-14 23:23:48,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:23:48,329 INFO L93 Difference]: Finished difference Result 853 states and 1268 transitions. [2019-10-14 23:23:48,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-14 23:23:48,332 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2019-10-14 23:23:48,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:23:48,355 INFO L225 Difference]: With dead ends: 853 [2019-10-14 23:23:48,355 INFO L226 Difference]: Without dead ends: 630 [2019-10-14 23:23:48,362 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2019-10-14 23:23:48,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2019-10-14 23:23:48,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 363. [2019-10-14 23:23:48,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-10-14 23:23:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 476 transitions. [2019-10-14 23:23:48,653 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 476 transitions. Word has length 157 [2019-10-14 23:23:48,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:23:48,653 INFO L462 AbstractCegarLoop]: Abstraction has 363 states and 476 transitions. [2019-10-14 23:23:48,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:23:48,654 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 476 transitions. [2019-10-14 23:23:48,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-14 23:23:48,659 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:48,659 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-14 23:23:48,659 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:48,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:48,660 INFO L82 PathProgramCache]: Analyzing trace with hash -587925414, now seen corresponding path program 1 times [2019-10-14 23:23:48,660 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:48,660 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744633615] [2019-10-14 23:23:48,661 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:48,661 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:48,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,172 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 523 [2019-10-14 23:23:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,513 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-14 23:23:50,514 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744633615] [2019-10-14 23:23:50,514 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:50,514 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:23:50,514 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723988074] [2019-10-14 23:23:50,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:23:50,517 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:50,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:23:50,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:23:50,517 INFO L87 Difference]: Start difference. First operand 363 states and 476 transitions. Second operand 11 states. [2019-10-14 23:23:54,568 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 526 [2019-10-14 23:24:04,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:24:04,847 INFO L93 Difference]: Finished difference Result 764 states and 1081 transitions. [2019-10-14 23:24:04,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:24:04,848 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2019-10-14 23:24:04,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:24:04,854 INFO L225 Difference]: With dead ends: 764 [2019-10-14 23:24:04,855 INFO L226 Difference]: Without dead ends: 633 [2019-10-14 23:24:04,859 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2019-10-14 23:24:04,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2019-10-14 23:24:05,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 365. [2019-10-14 23:24:05,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2019-10-14 23:24:05,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 478 transitions. [2019-10-14 23:24:05,056 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 478 transitions. Word has length 158 [2019-10-14 23:24:05,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:24:05,057 INFO L462 AbstractCegarLoop]: Abstraction has 365 states and 478 transitions. [2019-10-14 23:24:05,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:24:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 478 transitions. [2019-10-14 23:24:05,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-14 23:24:05,061 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:24:05,061 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-14 23:24:05,062 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:24:05,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:24:05,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1434199194, now seen corresponding path program 1 times [2019-10-14 23:24:05,063 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:24:05,063 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920101247] [2019-10-14 23:24:05,068 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:05,068 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:05,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:24:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,770 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 523 [2019-10-14 23:24:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:07,080 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-14 23:24:07,081 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920101247] [2019-10-14 23:24:07,081 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:24:07,081 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:24:07,081 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978978052] [2019-10-14 23:24:07,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:24:07,082 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:24:07,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:24:07,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:24:07,083 INFO L87 Difference]: Start difference. First operand 365 states and 478 transitions. Second operand 11 states. [2019-10-14 23:24:10,947 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 526