/usr/bin/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-fb55353 [2019-11-06 21:40:07,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:40:07,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:40:07,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:40:07,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:40:07,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:40:07,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:40:07,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:40:07,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:40:07,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:40:07,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:40:07,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:40:07,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:40:07,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:40:07,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:40:07,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:40:07,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:40:07,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:40:07,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:40:07,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:40:07,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:40:07,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:40:07,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:40:07,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:40:07,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:40:07,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:40:07,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:40:07,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:40:07,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:40:07,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:40:07,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:40:07,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:40:07,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:40:07,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:40:07,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:40:07,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:40:07,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:40:07,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:40:07,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:40:07,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:40:07,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:40:07,815 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 [2019-11-06 21:40:07,844 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:40:07,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:40:07,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:40:07,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:40:07,846 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:40:07,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:40:07,846 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:40:07,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:40:07,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:40:07,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:40:07,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:40:07,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:40:07,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:40:07,847 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:40:07,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:40:07,848 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:40:07,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:40:07,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:40:07,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:40:07,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:40:07,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:40:07,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:40:07,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:40:07,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:40:07,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:40:07,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:40:07,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:40:07,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:40:07,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:40:08,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:40:08,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:40:08,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:40:08,197 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:40:08,197 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:40:08,198 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product37.cil.c [2019-11-06 21:40:08,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6e7b4491/f5e9ceabf158472aa208992119b62c25/FLAG73361b82d [2019-11-06 21:40:08,854 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:40:08,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product37.cil.c [2019-11-06 21:40:08,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6e7b4491/f5e9ceabf158472aa208992119b62c25/FLAG73361b82d [2019-11-06 21:40:09,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6e7b4491/f5e9ceabf158472aa208992119b62c25 [2019-11-06 21:40:09,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:40:09,078 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:40:09,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:40:09,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:40:09,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:40:09,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:40:09" (1/1) ... [2019-11-06 21:40:09,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e86ed6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:09, skipping insertion in model container [2019-11-06 21:40:09,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:40:09" (1/1) ... [2019-11-06 21:40:09,094 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:40:09,178 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:40:09,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:40:09,946 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:40:10,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:40:10,162 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:40:10,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:10 WrapperNode [2019-11-06 21:40:10,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:40:10,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:40:10,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:40:10,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:40:10,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:10" (1/1) ... [2019-11-06 21:40:10,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:10" (1/1) ... [2019-11-06 21:40:10,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:10" (1/1) ... [2019-11-06 21:40:10,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:10" (1/1) ... [2019-11-06 21:40:10,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:10" (1/1) ... [2019-11-06 21:40:10,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:10" (1/1) ... [2019-11-06 21:40:10,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:10" (1/1) ... [2019-11-06 21:40:10,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:40:10,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:40:10,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:40:10,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:40:10,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:10" (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 [2019-11-06 21:40:10,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:40:10,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:40:10,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:40:10,447 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:40:10,448 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:40:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:40:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:40:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:40:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:40:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:40:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:40:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:40:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:40:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:40:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:40:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:40:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:40:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:40:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:40:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:40:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:40:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:40:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:40:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:40:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:40:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:40:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:40:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:40:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:40:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:40:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:40:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:40:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:40:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:40:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:40:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:40:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:40:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:40:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:40:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:40:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:40:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:40:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:40:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:40:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-06 21:40:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:40:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:40:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:40:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:40:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:40:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:40:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:40:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:40:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:40:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:40:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:40:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:40:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:40:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:40:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:40:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:40:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:40:10,468 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:40:10,468 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:40:10,468 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:40:10,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:40:10,468 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:40:10,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:40:10,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:40:10,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:40:10,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:40:10,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:40:10,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:40:10,470 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:40:10,471 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:40:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:40:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:40:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:40:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:40:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:40:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:40:10,473 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:40:10,473 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:40:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:40:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:40:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:40:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-06 21:40:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-06 21:40:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:40:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:40:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:40:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-11-06 21:40:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-11-06 21:40:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:40:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:40:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:40:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:40:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:40:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:40:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:40:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:40:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:40:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-06 21:40:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-06 21:40:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:40:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:40:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:40:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:40:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:40:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:40:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:40:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:40:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:40:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:40:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-06 21:40:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:40:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:40:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:40:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-06 21:40:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:40:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:40:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:40:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:40:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:40:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:40:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:40:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:40:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:40:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:40:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:40:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:40:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:40:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:40:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:40:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:40:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:40:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:40:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:40:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:40:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:40:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:40:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:40:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:40:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:40:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:40:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:40:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:40:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:40:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:40:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:40:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:40:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:40:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:40:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:40:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:40:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:40:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:40:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:40:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:40:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:40:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:40:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:40:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:40:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:40:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:40:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:40:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:40:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:40:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:40:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:40:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:40:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:40:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:40:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:40:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:40:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:40:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-06 21:40:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:40:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:40:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:40:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:40:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:40:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:40:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:40:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:40:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:40:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:40:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:40:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:40:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:40:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:40:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:40:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:40:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:40:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:40:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:40:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:40:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:40:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:40:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:40:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:40:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:40:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:40:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:40:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:40:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:40:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:40:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:40:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:40:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:40:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:40:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:40:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:40:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:40:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:40:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:40:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:40:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:40:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:40:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:40:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:40:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:40:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:40:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-06 21:40:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-06 21:40:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-11-06 21:40:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-11-06 21:40:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:40:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:40:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:40:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:40:12,563 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:40:12,563 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:40:12,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:40:12 BoogieIcfgContainer [2019-11-06 21:40:12,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:40:12,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:40:12,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:40:12,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:40:12,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:40:09" (1/3) ... [2019-11-06 21:40:12,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1552c09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:40:12, skipping insertion in model container [2019-11-06 21:40:12,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:10" (2/3) ... [2019-11-06 21:40:12,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1552c09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:40:12, skipping insertion in model container [2019-11-06 21:40:12,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:40:12" (3/3) ... [2019-11-06 21:40:12,573 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product37.cil.c [2019-11-06 21:40:12,582 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:40:12,591 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:40:12,603 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:40:12,630 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:40:12,630 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:40:12,630 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:40:12,630 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:40:12,630 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:40:12,631 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:40:12,631 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:40:12,631 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:40:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states. [2019-11-06 21:40:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-06 21:40:12,675 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:40:12,677 INFO L410 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] [2019-11-06 21:40:12,679 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:40:12,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:40:12,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1647705551, now seen corresponding path program 1 times [2019-11-06 21:40:12,694 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:40:12,694 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003918205] [2019-11-06 21:40:12,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:40:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:14,973 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 529 [2019-11-06 21:40:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:15,439 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 21:40:15,440 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003918205] [2019-11-06 21:40:15,440 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:40:15,441 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:40:15,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457282716] [2019-11-06 21:40:15,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:40:15,449 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:40:15,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:40:15,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:40:15,466 INFO L87 Difference]: Start difference. First operand 418 states. Second operand 10 states. [2019-11-06 21:40:29,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:40:29,841 INFO L93 Difference]: Finished difference Result 930 states and 1377 transitions. [2019-11-06 21:40:29,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-06 21:40:29,843 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2019-11-06 21:40:29,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:40:29,868 INFO L225 Difference]: With dead ends: 930 [2019-11-06 21:40:29,868 INFO L226 Difference]: Without dead ends: 686 [2019-11-06 21:40:29,875 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2019-11-06 21:40:29,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2019-11-06 21:40:30,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 395. [2019-11-06 21:40:30,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-11-06 21:40:30,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 518 transitions. [2019-11-06 21:40:30,152 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 518 transitions. Word has length 154 [2019-11-06 21:40:30,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:40:30,153 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 518 transitions. [2019-11-06 21:40:30,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:40:30,154 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 518 transitions. [2019-11-06 21:40:30,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-06 21:40:30,161 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:40:30,161 INFO L410 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] [2019-11-06 21:40:30,162 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:40:30,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:40:30,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1784478369, now seen corresponding path program 1 times [2019-11-06 21:40:30,162 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:40:30,163 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716860861] [2019-11-06 21:40:30,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:40:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:31,798 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 529 [2019-11-06 21:40:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:32,192 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 21:40:32,193 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716860861] [2019-11-06 21:40:32,193 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:40:32,193 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:40:32,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780510681] [2019-11-06 21:40:32,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:40:32,196 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:40:32,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:40:32,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:40:32,196 INFO L87 Difference]: Start difference. First operand 395 states and 518 transitions. Second operand 11 states. [2019-11-06 21:40:35,431 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 532 [2019-11-06 21:40:45,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:40:45,617 INFO L93 Difference]: Finished difference Result 841 states and 1190 transitions. [2019-11-06 21:40:45,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 21:40:45,617 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 155 [2019-11-06 21:40:45,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:40:45,625 INFO L225 Difference]: With dead ends: 841 [2019-11-06 21:40:45,625 INFO L226 Difference]: Without dead ends: 689 [2019-11-06 21:40:45,628 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2019-11-06 21:40:45,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2019-11-06 21:40:45,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 397. [2019-11-06 21:40:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-11-06 21:40:45,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 520 transitions. [2019-11-06 21:40:45,781 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 520 transitions. Word has length 155 [2019-11-06 21:40:45,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:40:45,781 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 520 transitions. [2019-11-06 21:40:45,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:40:45,782 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 520 transitions. [2019-11-06 21:40:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-06 21:40:45,784 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:40:45,785 INFO L410 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] [2019-11-06 21:40:45,785 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:40:45,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:40:45,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1272778800, now seen corresponding path program 1 times [2019-11-06 21:40:45,786 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:40:45,786 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122805614] [2019-11-06 21:40:45,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:40:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,512 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 529 [2019-11-06 21:40:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 21:40:47,865 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122805614] [2019-11-06 21:40:47,865 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:40:47,866 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:40:47,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921467288] [2019-11-06 21:40:47,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:40:47,869 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:40:47,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:40:47,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:40:47,871 INFO L87 Difference]: Start difference. First operand 397 states and 520 transitions. Second operand 11 states.