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_spec3_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:27:14,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:27:14,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:27:14,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:27:14,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:27:14,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:27:14,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:27:14,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:27:14,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:27:14,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:27:14,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:27:14,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:27:14,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:27:14,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:27:14,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:27:14,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:27:14,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:27:14,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:27:14,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:27:14,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:27:14,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:27:14,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:27:14,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:27:14,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:27:14,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:27:14,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:27:14,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:27:14,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:27:14,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:27:14,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:27:14,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:27:14,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:27:14,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:27:14,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:27:14,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:27:14,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:27:14,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:27:14,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:27:14,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:27:14,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:27:14,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:27:14,898 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 23:27:14,918 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:27:14,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:27:14,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:27:14,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:27:14,922 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:27:14,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:27:14,922 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:27:14,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:27:14,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:27:14,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:27:14,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:27:14,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:27:14,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:27:14,925 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:27:14,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:27:14,925 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:27:14,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:27:14,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:27:14,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:27:14,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:27:14,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:27:14,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:27:14,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:27:14,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:27:14,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:27:14,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:27:14,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:27:14,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:27:14,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:27:15,206 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:27:15,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:27:15,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:27:15,224 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:27:15,225 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:27:15,225 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product18.cil.c [2019-10-14 23:27:15,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2efd6399/09e433a177d243e6a9a8270cc4caa386/FLAGeb16c89e2 [2019-10-14 23:27:15,949 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:27:15,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product18.cil.c [2019-10-14 23:27:15,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2efd6399/09e433a177d243e6a9a8270cc4caa386/FLAGeb16c89e2 [2019-10-14 23:27:16,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2efd6399/09e433a177d243e6a9a8270cc4caa386 [2019-10-14 23:27:16,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:27:16,205 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:27:16,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:27:16,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:27:16,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:27:16,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:27:16" (1/1) ... [2019-10-14 23:27:16,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a0daa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:16, skipping insertion in model container [2019-10-14 23:27:16,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:27:16" (1/1) ... [2019-10-14 23:27:16,222 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:27:16,308 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:27:17,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:27:17,070 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:27:17,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:27:17,255 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:27:17,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:17 WrapperNode [2019-10-14 23:27:17,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:27:17,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:27:17,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:27:17,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:27:17,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:17" (1/1) ... [2019-10-14 23:27:17,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:17" (1/1) ... [2019-10-14 23:27:17,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:17" (1/1) ... [2019-10-14 23:27:17,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:17" (1/1) ... [2019-10-14 23:27:17,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:17" (1/1) ... [2019-10-14 23:27:17,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:17" (1/1) ... [2019-10-14 23:27:17,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:17" (1/1) ... [2019-10-14 23:27:17,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:27:17,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:27:17,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:27:17,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:27:17,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:17" (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 23:27:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:27:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:27:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:27:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:27:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:27:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:27:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:27:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:27:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:27:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:27:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:27:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:27:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:27:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:27:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:27:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:27:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:27:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:27:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:27:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:27:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:27:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:27:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:27:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:27:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:27:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:27:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:27:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:27:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:27:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:27:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:27:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:27:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:27:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:27:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:27:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:27:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:27:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:27:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:27:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:27:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:27:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:27:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:27:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:27:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:27:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:27:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:27:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:27:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:27:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:27:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:27:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:27:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:27:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:27:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:27:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-14 23:27:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:27:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:27:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:27:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:27:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:27:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:27:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:27:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:27:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-14 23:27:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:27:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:27:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-14 23:27:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-14 23:27:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:27:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:27:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:27:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:27:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:27:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:27:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:27:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:27:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:27:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-14 23:27:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-14 23:27:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-14 23:27:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:27:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:27:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:27:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:27:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:27:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:27:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:27:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:27:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:27:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:27:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:27:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:27:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:27:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:27:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:27:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:27:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:27:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:27:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:27:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:27:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:27:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-14 23:27:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-14 23:27:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:27:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-14 23:27:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-14 23:27:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:27:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:27:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:27:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:27:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:27:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:27:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:27:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:27:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:27:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:27:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:27:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:27:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:27:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:27:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:27:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:27:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:27:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:27:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:27:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:27:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:27:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:27:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:27:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:27:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:27:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:27:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:27:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:27:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:27:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:27:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:27:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:27:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:27:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:27:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:27:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:27:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:27:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:27:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:27:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:27:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:27:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:27:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:27:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:27:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:27:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:27:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:27:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:27:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:27:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:27:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:27:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:27:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:27:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:27:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:27:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:27:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:27:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:27:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:27:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:27:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:27:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:27:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:27:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:27:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:27:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-14 23:27:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:27:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:27:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:27:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:27:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:27:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:27:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:27:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:27:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:27:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:27:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:27:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:27:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:27:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:27:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:27:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:27:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:27:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:27:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:27:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:27:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:27:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:27:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:27:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:27:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:27:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:27:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:27:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:27:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:27:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:27:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:27:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:27:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:27:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:27:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:27:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:27:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:27:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:27:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-14 23:27:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-14 23:27:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-14 23:27:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-14 23:27:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-14 23:27:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-14 23:27:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-14 23:27:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-14 23:27:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:27:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:27:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:27:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:27:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:27:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:27:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:27:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:27:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:27:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:27:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:27:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:27:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:27:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:27:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-14 23:27:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-14 23:27:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:27:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:27:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:27:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:27:19,626 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:27:19,627 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:27:19,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:27:19 BoogieIcfgContainer [2019-10-14 23:27:19,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:27:19,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:27:19,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:27:19,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:27:19,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:27:16" (1/3) ... [2019-10-14 23:27:19,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2718d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:27:19, skipping insertion in model container [2019-10-14 23:27:19,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:17" (2/3) ... [2019-10-14 23:27:19,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2718d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:27:19, skipping insertion in model container [2019-10-14 23:27:19,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:27:19" (3/3) ... [2019-10-14 23:27:19,640 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product18.cil.c [2019-10-14 23:27:19,652 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:27:19,666 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:27:19,679 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:27:19,728 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:27:19,728 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:27:19,728 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:27:19,728 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:27:19,728 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:27:19,729 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:27:19,729 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:27:19,729 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:27:19,770 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states. [2019-10-14 23:27:19,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-14 23:27:19,806 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:27:19,808 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:27:19,811 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:27:19,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:27:19,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1409604361, now seen corresponding path program 1 times [2019-10-14 23:27:19,828 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:27:19,829 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074447195] [2019-10-14 23:27:19,829 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:27:19,830 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:27:19,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:27:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,380 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 562 [2019-10-14 23:27:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:22,827 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 23:27:22,828 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074447195] [2019-10-14 23:27:22,828 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:27:22,829 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:27:22,829 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988759033] [2019-10-14 23:27:22,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:27:22,835 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:27:22,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:27:22,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:27:22,850 INFO L87 Difference]: Start difference. First operand 494 states. Second operand 12 states. [2019-10-14 23:27:36,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:27:36,923 INFO L93 Difference]: Finished difference Result 1152 states and 1734 transitions. [2019-10-14 23:27:36,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-10-14 23:27:36,925 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 170 [2019-10-14 23:27:36,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:27:36,974 INFO L225 Difference]: With dead ends: 1152 [2019-10-14 23:27:36,974 INFO L226 Difference]: Without dead ends: 775 [2019-10-14 23:27:36,991 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=646, Invalid=2006, Unknown=0, NotChecked=0, Total=2652 [2019-10-14 23:27:37,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2019-10-14 23:27:37,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 449. [2019-10-14 23:27:37,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-10-14 23:27:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 595 transitions. [2019-10-14 23:27:37,385 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 595 transitions. Word has length 170 [2019-10-14 23:27:37,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:27:37,385 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 595 transitions. [2019-10-14 23:27:37,385 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:27:37,386 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 595 transitions. [2019-10-14 23:27:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-14 23:27:37,390 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:27:37,390 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:27:37,391 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:27:37,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:27:37,391 INFO L82 PathProgramCache]: Analyzing trace with hash 295988568, now seen corresponding path program 1 times [2019-10-14 23:27:37,391 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:27:37,392 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628383938] [2019-10-14 23:27:37,392 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:27:37,392 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:27:37,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:27:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,288 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 562 [2019-10-14 23:27:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:27:39,715 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 23:27:39,716 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628383938] [2019-10-14 23:27:39,716 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:27:39,716 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:27:39,717 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720791429] [2019-10-14 23:27:39,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:27:39,719 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:27:39,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:27:39,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:27:39,720 INFO L87 Difference]: Start difference. First operand 449 states and 595 transitions. Second operand 13 states. [2019-10-14 23:27:44,898 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 565