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_spec11_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:25:04,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:25:04,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:25:04,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:25:04,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:25:04,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:25:04,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:25:04,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:25:04,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:25:04,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:25:04,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:25:04,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:25:04,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:25:04,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:25:04,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:25:04,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:25:04,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:25:04,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:25:04,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:25:04,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:25:04,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:25:04,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:25:04,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:25:04,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:25:04,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:25:04,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:25:04,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:25:04,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:25:04,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:25:04,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:25:04,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:25:04,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:25:04,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:25:04,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:25:04,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:25:04,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:25:04,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:25:04,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:25:04,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:25:04,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:25:04,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:25:04,599 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 23:25:04,631 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:25:04,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:25:04,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:25:04,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:25:04,633 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:25:04,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:25:04,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:25:04,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:25:04,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:25:04,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:25:04,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:25:04,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:25:04,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:25:04,635 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:25:04,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:25:04,635 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:25:04,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:25:04,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:25:04,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:25:04,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:25:04,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:25:04,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:25:04,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:25:04,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:25:04,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:25:04,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:25:04,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:25:04,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:25:04,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:25:04,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:25:04,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:25:04,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:25:04,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:25:04,964 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:25:04,965 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product37.cil.c [2019-10-14 23:25:05,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a299cb0/ebc77728b8ee4f51be6a4f00201b928e/FLAGa2326ba7d [2019-10-14 23:25:05,676 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:25:05,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product37.cil.c [2019-10-14 23:25:05,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a299cb0/ebc77728b8ee4f51be6a4f00201b928e/FLAGa2326ba7d [2019-10-14 23:25:05,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a299cb0/ebc77728b8ee4f51be6a4f00201b928e [2019-10-14 23:25:05,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:25:05,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:25:05,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:25:05,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:25:05,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:25:05,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:25:05" (1/1) ... [2019-10-14 23:25:05,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bfb33bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:05, skipping insertion in model container [2019-10-14 23:25:05,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:25:05" (1/1) ... [2019-10-14 23:25:05,900 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:25:05,982 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:25:06,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:25:06,740 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:25:06,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:25:06,999 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:25:07,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:07 WrapperNode [2019-10-14 23:25:07,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:25:07,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:25:07,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:25:07,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:25:07,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:07" (1/1) ... [2019-10-14 23:25:07,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:07" (1/1) ... [2019-10-14 23:25:07,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:07" (1/1) ... [2019-10-14 23:25:07,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:07" (1/1) ... [2019-10-14 23:25:07,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:07" (1/1) ... [2019-10-14 23:25:07,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:07" (1/1) ... [2019-10-14 23:25:07,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:07" (1/1) ... [2019-10-14 23:25:07,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:25:07,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:25:07,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:25:07,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:25:07,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:07" (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 23:25:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:25:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:25:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:25:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:25:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:25:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:25:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:25:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:25:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:25:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:25:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:25:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:25:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:25:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:25:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:25:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:25:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:25:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:25:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:25:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:25:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:25:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:25:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:25:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:25:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:25:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:25:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:25:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:25:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:25:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:25:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:25:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:25:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:25:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:25:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:25:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:25:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:25:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:25:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:25:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:25:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:25:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:25:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:25:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:25:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-14 23:25:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:25:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:25:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:25:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:25:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:25:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:25:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:25:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:25:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:25:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:25:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:25:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:25:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:25:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:25:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:25:07,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:25:07,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:25:07,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:25:07,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:25:07,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:25:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:25:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:25:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:25:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:25:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:25:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:25:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:25:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:25:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:25:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:25:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:25:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:25:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:25:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:25:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:25:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:25:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:25:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:25:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:25:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:25:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:25:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-14 23:25:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-14 23:25:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:25:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:25:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:25:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-14 23:25:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-14 23:25:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:25:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:25:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:25:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:25:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:25:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:25:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:25:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:25:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:25:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-14 23:25:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-14 23:25:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:25:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:25:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:25:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:25:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:25:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:25:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:25:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:25:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:25:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:25:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-14 23:25:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:25:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:25:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:25:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-14 23:25:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:25:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:25:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:25:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:25:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:25:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:25:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:25:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:25:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:25:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:25:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:25:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:25:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:25:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:25:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:25:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:25:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:25:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:25:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:25:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:25:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:25:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:25:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:25:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:25:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:25:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:25:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:25:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:25:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:25:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:25:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:25:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:25:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:25:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:25:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:25:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:25:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:25:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:25:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:25:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:25:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:25:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:25:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:25:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:25:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:25:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:25:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:25:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:25:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:25:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:25:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:25:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:25:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:25:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:25:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:25:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:25:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:25:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-14 23:25:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:25:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:25:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:25:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:25:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:25:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:25:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:25:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:25:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:25:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:25:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:25:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:25:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:25:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:25:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:25:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:25:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:25:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:25:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:25:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:25:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:25:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:25:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:25:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:25:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:25:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:25:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:25:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:25:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:25:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:25:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:25:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:25:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:25:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:25:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:25:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:25:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:25:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:25:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:25:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:25:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:25:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:25:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:25:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:25:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:25:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:25:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-14 23:25:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-14 23:25:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-14 23:25:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-14 23:25:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:25:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:25:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:25:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:25:09,378 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:25:09,378 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:25:09,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:25:09 BoogieIcfgContainer [2019-10-14 23:25:09,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:25:09,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:25:09,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:25:09,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:25:09,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:25:05" (1/3) ... [2019-10-14 23:25:09,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58dc5e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:25:09, skipping insertion in model container [2019-10-14 23:25:09,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:07" (2/3) ... [2019-10-14 23:25:09,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58dc5e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:25:09, skipping insertion in model container [2019-10-14 23:25:09,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:25:09" (3/3) ... [2019-10-14 23:25:09,391 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product37.cil.c [2019-10-14 23:25:09,405 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:25:09,418 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:25:09,429 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:25:09,472 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:25:09,472 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:25:09,473 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:25:09,473 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:25:09,473 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:25:09,473 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:25:09,473 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:25:09,473 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:25:09,513 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states. [2019-10-14 23:25:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-14 23:25:09,546 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:25:09,547 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] [2019-10-14 23:25:09,552 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:25:09,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:25:09,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1647705551, now seen corresponding path program 1 times [2019-10-14 23:25:09,572 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:25:09,573 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665706853] [2019-10-14 23:25:09,573 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:25:09,573 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:25:09,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:25:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:11,811 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 529 [2019-10-14 23:25:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:25:12,251 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665706853] [2019-10-14 23:25:12,251 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:25:12,252 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:25:12,252 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156625883] [2019-10-14 23:25:12,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:25:12,258 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:25:12,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:25:12,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:25:12,272 INFO L87 Difference]: Start difference. First operand 418 states. Second operand 10 states. [2019-10-14 23:25:26,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:25:26,263 INFO L93 Difference]: Finished difference Result 930 states and 1377 transitions. [2019-10-14 23:25:26,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-14 23:25:26,266 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2019-10-14 23:25:26,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:25:26,289 INFO L225 Difference]: With dead ends: 930 [2019-10-14 23:25:26,290 INFO L226 Difference]: Without dead ends: 686 [2019-10-14 23:25:26,297 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2019-10-14 23:25:26,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2019-10-14 23:25:26,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 395. [2019-10-14 23:25:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-10-14 23:25:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 518 transitions. [2019-10-14 23:25:26,528 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 518 transitions. Word has length 154 [2019-10-14 23:25:26,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:25:26,529 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 518 transitions. [2019-10-14 23:25:26,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:25:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 518 transitions. [2019-10-14 23:25:26,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-14 23:25:26,533 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:25:26,534 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] [2019-10-14 23:25:26,534 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:25:26,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:25:26,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1784478369, now seen corresponding path program 1 times [2019-10-14 23:25:26,535 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:25:26,535 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958637571] [2019-10-14 23:25:26,535 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:25:26,535 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:25:26,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:25:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,069 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 529 [2019-10-14 23:25:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:28,444 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:25:28,444 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958637571] [2019-10-14 23:25:28,444 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:25:28,444 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:25:28,445 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613352553] [2019-10-14 23:25:28,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:25:28,462 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:25:28,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:25:28,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:25:28,463 INFO L87 Difference]: Start difference. First operand 395 states and 518 transitions. Second operand 11 states. [2019-10-14 23:25:32,075 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 532 [2019-10-14 23:25:42,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:25:42,194 INFO L93 Difference]: Finished difference Result 841 states and 1190 transitions. [2019-10-14 23:25:42,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:25:42,199 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 155 [2019-10-14 23:25:42,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:25:42,205 INFO L225 Difference]: With dead ends: 841 [2019-10-14 23:25:42,205 INFO L226 Difference]: Without dead ends: 689 [2019-10-14 23:25:42,209 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 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 23:25:42,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2019-10-14 23:25:42,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 397. [2019-10-14 23:25:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-10-14 23:25:42,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 520 transitions. [2019-10-14 23:25:42,386 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 520 transitions. Word has length 155 [2019-10-14 23:25:42,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:25:42,386 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 520 transitions. [2019-10-14 23:25:42,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:25:42,387 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 520 transitions. [2019-10-14 23:25:42,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-14 23:25:42,390 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:25:42,390 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:25:42,390 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:25:42,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:25:42,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1272778800, now seen corresponding path program 1 times [2019-10-14 23:25:42,391 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:25:42,391 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655822387] [2019-10-14 23:25:42,391 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:25:42,392 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:25:42,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:25:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,022 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 529 [2019-10-14 23:25:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:25:44,368 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:25:44,369 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655822387] [2019-10-14 23:25:44,369 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:25:44,369 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:25:44,370 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350702068] [2019-10-14 23:25:44,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:25:44,373 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:25:44,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:25:44,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:25:44,374 INFO L87 Difference]: Start difference. First operand 397 states and 520 transitions. Second operand 11 states.