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_spec8_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:30:50,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:30:50,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:30:50,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:30:50,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:30:50,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:30:50,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:30:50,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:30:50,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:30:50,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:30:50,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:30:50,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:30:50,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:30:50,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:30:50,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:30:50,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:30:50,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:30:50,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:30:50,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:30:50,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:30:50,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:30:51,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:30:51,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:30:51,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:30:51,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:30:51,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:30:51,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:30:51,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:30:51,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:30:51,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:30:51,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:30:51,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:30:51,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:30:51,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:30:51,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:30:51,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:30:51,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:30:51,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:30:51,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:30:51,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:30:51,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:30:51,015 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:30:51,029 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:30:51,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:30:51,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:30:51,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:30:51,032 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:30:51,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:30:51,033 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:30:51,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:30:51,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:30:51,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:30:51,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:30:51,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:30:51,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:30:51,035 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:30:51,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:30:51,035 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:30:51,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:30:51,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:30:51,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:30:51,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:30:51,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:30:51,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:30:51,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:30:51,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:30:51,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:30:51,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:30:51,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:30:51,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:30:51,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:30:51,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:30:51,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:30:51,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:30:51,445 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:30:51,445 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:30:51,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product16.cil.c [2019-10-14 23:30:51,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc46394ac/e892c2c28ae54b5799149e05dc0ff03a/FLAGa3cf10920 [2019-10-14 23:30:52,166 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:30:52,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product16.cil.c [2019-10-14 23:30:52,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc46394ac/e892c2c28ae54b5799149e05dc0ff03a/FLAGa3cf10920 [2019-10-14 23:30:52,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc46394ac/e892c2c28ae54b5799149e05dc0ff03a [2019-10-14 23:30:52,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:30:52,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:30:52,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:30:52,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:30:52,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:30:52,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:30:52" (1/1) ... [2019-10-14 23:30:52,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f6a702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:52, skipping insertion in model container [2019-10-14 23:30:52,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:30:52" (1/1) ... [2019-10-14 23:30:52,452 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:30:52,543 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:30:53,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:30:53,334 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:30:53,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:30:53,587 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:30:53,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:53 WrapperNode [2019-10-14 23:30:53,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:30:53,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:30:53,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:30:53,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:30:53,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:53" (1/1) ... [2019-10-14 23:30:53,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:53" (1/1) ... [2019-10-14 23:30:53,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:53" (1/1) ... [2019-10-14 23:30:53,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:53" (1/1) ... [2019-10-14 23:30:53,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:53" (1/1) ... [2019-10-14 23:30:53,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:53" (1/1) ... [2019-10-14 23:30:53,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:53" (1/1) ... [2019-10-14 23:30:53,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:30:53,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:30:53,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:30:53,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:30:53,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:30:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:30:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:30:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:30:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:30:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:30:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:30:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:30:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:30:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:30:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:30:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:30:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:30:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:30:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:30:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:30:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:30:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:30:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:30:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:30:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:30:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:30:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:30:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:30:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:30:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:30:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:30:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:30:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:30:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:30:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:30:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:30:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:30:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-14 23:30:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:30:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-14 23:30:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:30:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:30:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:30:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:30:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:30:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:30:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:30:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:30:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:30:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:30:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:30:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:30:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:30:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:30:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:30:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:30:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:30:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:30:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:30:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:30:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:30:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:30:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:30:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:30:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:30:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:30:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:30:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:30:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-14 23:30:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:30:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:30:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:30:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:30:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:30:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:30:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:30:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:30:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:30:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:30:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:30:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:30:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:30:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:30:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:30:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:30:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:30:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:30:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:30:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:30:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:30:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:30:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-14 23:30:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-14 23:30:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:30:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:30:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:30:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:30:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:30:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:30:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:30:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-14 23:30:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:30:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:30:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-14 23:30:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-14 23:30:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:30:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:30:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:30:53,930 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:30:53,930 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:30:53,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:30:53,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:30:53,930 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:30:53,930 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:30:53,931 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-14 23:30:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:30:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:30:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:30:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:30:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:30:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:30:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:30:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:30:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:30:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:30:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:30:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:30:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:30:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:30:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:30:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:30:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:30:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:30:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:30:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:30:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:30:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:30:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:30:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:30:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:30:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:30:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:30:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:30:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:30:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:30:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:30:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:30:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:30:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:30:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:30:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:30:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:30:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:30:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:30:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:30:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:30:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:30:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:30:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-14 23:30:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:30:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-14 23:30:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:30:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:30:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:30:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:30:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:30:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:30:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:30:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:30:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:30:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:30:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:30:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:30:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:30:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:30:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:30:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:30:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:30:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:30:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:30:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:30:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:30:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:30:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:30:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:30:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:30:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:30:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:30:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:30:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:30:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:30:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:30:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:30:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:30:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:30:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:30:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:30:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:30:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:30:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:30:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:30:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:30:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:30:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:30:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-14 23:30:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:30:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:30:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:30:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:30:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:30:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:30:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:30:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:30:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:30:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:30:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:30:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:30:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:30:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:30:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:30:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:30:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:30:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:30:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-14 23:30:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-14 23:30:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:30:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:30:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:30:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:30:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:30:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:30:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:30:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:30:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-14 23:30:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-14 23:30:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-14 23:30:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-14 23:30:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:30:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:30:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:30:56,116 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:30:56,117 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:30:56,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:30:56 BoogieIcfgContainer [2019-10-14 23:30:56,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:30:56,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:30:56,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:30:56,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:30:56,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:30:52" (1/3) ... [2019-10-14 23:30:56,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca16ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:30:56, skipping insertion in model container [2019-10-14 23:30:56,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:53" (2/3) ... [2019-10-14 23:30:56,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca16ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:30:56, skipping insertion in model container [2019-10-14 23:30:56,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:30:56" (3/3) ... [2019-10-14 23:30:56,127 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product16.cil.c [2019-10-14 23:30:56,137 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:30:56,146 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:30:56,158 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:30:56,186 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:30:56,186 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:30:56,187 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:30:56,187 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:30:56,187 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:30:56,187 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:30:56,187 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:30:56,187 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:30:56,216 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2019-10-14 23:30:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-14 23:30:56,235 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:30:56,236 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] [2019-10-14 23:30:56,238 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:30:56,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:30:56,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1079816034, now seen corresponding path program 1 times [2019-10-14 23:30:56,254 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:30:56,254 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558950027] [2019-10-14 23:30:56,254 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:56,255 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:56,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:30:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,771 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 556 [2019-10-14 23:30:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:59,176 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 23:30:59,176 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558950027] [2019-10-14 23:30:59,177 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:30:59,178 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:30:59,178 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049328784] [2019-10-14 23:30:59,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:30:59,187 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:30:59,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:30:59,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:30:59,208 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 10 states. [2019-10-14 23:31:10,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:31:10,719 INFO L93 Difference]: Finished difference Result 1037 states and 1506 transitions. [2019-10-14 23:31:10,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-14 23:31:10,721 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2019-10-14 23:31:10,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:31:10,747 INFO L225 Difference]: With dead ends: 1037 [2019-10-14 23:31:10,747 INFO L226 Difference]: Without dead ends: 724 [2019-10-14 23:31:10,754 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2019-10-14 23:31:10,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2019-10-14 23:31:11,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 457. [2019-10-14 23:31:11,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2019-10-14 23:31:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 605 transitions. [2019-10-14 23:31:11,029 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 605 transitions. Word has length 145 [2019-10-14 23:31:11,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:31:11,030 INFO L462 AbstractCegarLoop]: Abstraction has 457 states and 605 transitions. [2019-10-14 23:31:11,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:31:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 605 transitions. [2019-10-14 23:31:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-14 23:31:11,036 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:31:11,036 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] [2019-10-14 23:31:11,037 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:31:11,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:31:11,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1252139373, now seen corresponding path program 1 times [2019-10-14 23:31:11,037 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:31:11,038 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417884246] [2019-10-14 23:31:11,038 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:31:11,038 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:31:11,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:31:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,737 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 556 [2019-10-14 23:31:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:13,037 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 23:31:13,037 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417884246] [2019-10-14 23:31:13,037 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:31:13,038 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:31:13,038 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246598101] [2019-10-14 23:31:13,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:31:13,040 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:31:13,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:31:13,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:31:13,041 INFO L87 Difference]: Start difference. First operand 457 states and 605 transitions. Second operand 11 states. [2019-10-14 23:31:17,047 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 559 [2019-10-14 23:31:28,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:31:28,035 INFO L93 Difference]: Finished difference Result 952 states and 1340 transitions. [2019-10-14 23:31:28,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:31:28,036 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2019-10-14 23:31:28,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:31:28,044 INFO L225 Difference]: With dead ends: 952 [2019-10-14 23:31:28,044 INFO L226 Difference]: Without dead ends: 727 [2019-10-14 23:31:28,046 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2019-10-14 23:31:28,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2019-10-14 23:31:28,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 459. [2019-10-14 23:31:28,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2019-10-14 23:31:28,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 607 transitions. [2019-10-14 23:31:28,270 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 607 transitions. Word has length 146 [2019-10-14 23:31:28,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:31:28,271 INFO L462 AbstractCegarLoop]: Abstraction has 459 states and 607 transitions. [2019-10-14 23:31:28,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:31:28,271 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 607 transitions. [2019-10-14 23:31:28,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-14 23:31:28,278 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:31:28,278 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:31:28,279 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:31:28,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:31:28,279 INFO L82 PathProgramCache]: Analyzing trace with hash -88146113, now seen corresponding path program 1 times [2019-10-14 23:31:28,279 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:31:28,279 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777058275] [2019-10-14 23:31:28,280 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:31:28,282 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:31:28,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:31:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,282 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 556 [2019-10-14 23:31:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:31:30,654 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777058275] [2019-10-14 23:31:30,654 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:31:30,655 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:31:30,655 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402404838] [2019-10-14 23:31:30,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:31:30,656 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:31:30,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:31:30,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:31:30,657 INFO L87 Difference]: Start difference. First operand 459 states and 607 transitions. Second operand 11 states.