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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec3_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:52:45,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:52:45,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:52:45,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:52:45,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:52:45,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:52:45,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:52:45,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:52:45,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:52:45,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:52:45,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:52:45,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:52:45,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:52:45,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:52:45,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:52:45,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:52:45,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:52:45,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:52:45,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:52:45,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:52:45,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:52:45,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:52:45,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:52:45,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:52:45,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:52:45,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:52:45,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:52:45,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:52:45,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:52:45,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:52:45,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:52:45,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:52:45,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:52:45,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:52:45,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:52:45,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:52:45,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:52:45,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:52:45,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:52:45,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:52:45,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:52:45,598 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:52:45,621 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:52:45,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:52:45,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:52:45,622 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:52:45,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:52:45,623 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:52:45,623 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:52:45,623 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:52:45,624 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:52:45,624 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:52:45,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:52:45,627 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:52:45,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:52:45,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:52:45,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:52:45,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:52:45,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:52:45,628 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:52:45,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:52:45,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:52:45,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:52:45,630 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:52:45,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:52:45,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:45,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:52:45,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:52:45,631 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:52:45,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:52:45,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:52:45,632 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:52:45,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:52:45,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:52:45,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:52:45,715 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:52:45,716 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:52:45,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product29.cil.c [2019-10-03 02:52:45,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/465d2b77f/2cca7ed18a7a48518242c3d2abf8b0c4/FLAG3679083d2 [2019-10-03 02:52:46,405 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:52:46,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product29.cil.c [2019-10-03 02:52:46,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/465d2b77f/2cca7ed18a7a48518242c3d2abf8b0c4/FLAG3679083d2 [2019-10-03 02:52:46,635 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/465d2b77f/2cca7ed18a7a48518242c3d2abf8b0c4 [2019-10-03 02:52:46,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:52:46,645 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:52:46,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:46,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:52:46,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:52:46,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:46" (1/1) ... [2019-10-03 02:52:46,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea49d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:46, skipping insertion in model container [2019-10-03 02:52:46,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:46" (1/1) ... [2019-10-03 02:52:46,660 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:52:46,749 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:52:47,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:47,441 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:52:47,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:47,701 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:52:47,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:47 WrapperNode [2019-10-03 02:52:47,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:47,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:52:47,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:52:47,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:52:47,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:47" (1/1) ... [2019-10-03 02:52:47,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:47" (1/1) ... [2019-10-03 02:52:47,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:47" (1/1) ... [2019-10-03 02:52:47,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:47" (1/1) ... [2019-10-03 02:52:47,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:47" (1/1) ... [2019-10-03 02:52:47,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:47" (1/1) ... [2019-10-03 02:52:47,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:47" (1/1) ... [2019-10-03 02:52:47,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:52:47,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:52:47,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:52:47,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:52:47,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:47" (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 [2019-10-03 02:52:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:52:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:52:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:52:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:52:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:52:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:52:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:52:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:52:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:52:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:52:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:52:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:52:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:52:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:52:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:52:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:52:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:52:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:52:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:52:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:52:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:52:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:52:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:52:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:52:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:52:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:52:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:52:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:52:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:52:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:52:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:52:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:52:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:52:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:52:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:52:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:52:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:52:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:52:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:52:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:52:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:52:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:52:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:52:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:52:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:52:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:52:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:52:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:52:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:52:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:52:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:52:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:52:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:52:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:52:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:52:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:52:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:52:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:52:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:52:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:52:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:52:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:52:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:52:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:52:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:52:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:52:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:52:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:52:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:52:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:52:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:52:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:52:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:52:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:52:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:52:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:52:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:52:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:52:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:52:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:52:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-03 02:52:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:52:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:52:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:52:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:52:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:52:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:52:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:52:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:52:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-03 02:52:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:52:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:52:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:52:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:52:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:52:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:52:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:52:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:52:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:52:47,983 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:52:47,983 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:52:47,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:52:47,983 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:52:47,983 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:52:47,983 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:52:47,983 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:52:47,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-03 02:52:47,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-03 02:52:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:52:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:52:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:52:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:52:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:52:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:52:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:52:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:52:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:52:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:52:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:52:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:52:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:52:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:52:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:52:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:52:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:52:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:52:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:52:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:52:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:52:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:52:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:52:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:52:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:52:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:52:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:52:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:52:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:52:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:52:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:52:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:52:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:52:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:52:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:52:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:52:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:52:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:52:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:52:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:52:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:52:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:52:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:52:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:52:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:52:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:52:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:52:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:52:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:52:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:52:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:52:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:52:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:52:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:52:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:52:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:52:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:52:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:52:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:52:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:52:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:52:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:52:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:52:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:52:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:52:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:52:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:52:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:52:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:52:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:52:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:52:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:52:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:52:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:52:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:52:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:52:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:52:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:52:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:52:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:52:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:52:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:52:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:52:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:52:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:52:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:52:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:52:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:52:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:52:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:52:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:52:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:52:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:52:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:52:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:52:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:52:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:52:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:52:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:52:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:52:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:52:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:52:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-03 02:52:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:52:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:52:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:52:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:52:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:52:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:52:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:52:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:52:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:52:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:52:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:52:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-03 02:52:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:52:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-03 02:52:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:52:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:52:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-03 02:52:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:52:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:52:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:52:50,141 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:52:50,141 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:52:50,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:50 BoogieIcfgContainer [2019-10-03 02:52:50,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:52:50,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:52:50,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:52:50,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:52:50,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:52:46" (1/3) ... [2019-10-03 02:52:50,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c478781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:50, skipping insertion in model container [2019-10-03 02:52:50,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:47" (2/3) ... [2019-10-03 02:52:50,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c478781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:50, skipping insertion in model container [2019-10-03 02:52:50,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:50" (3/3) ... [2019-10-03 02:52:50,152 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product29.cil.c [2019-10-03 02:52:50,163 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:52:50,180 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:52:50,198 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:52:50,228 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:52:50,228 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:52:50,228 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:52:50,229 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:52:50,235 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:52:50,236 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:52:50,236 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:52:50,236 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:52:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states. [2019-10-03 02:52:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-03 02:52:50,331 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:50,333 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:50,336 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:50,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:50,342 INFO L82 PathProgramCache]: Analyzing trace with hash 940627505, now seen corresponding path program 1 times [2019-10-03 02:52:50,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:50,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:50,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:50,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:50,405 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:51,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:51,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:52:51,167 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:51,173 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:51,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:51,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:51,187 INFO L87 Difference]: Start difference. First operand 614 states. Second operand 2 states. [2019-10-03 02:52:51,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:51,240 INFO L93 Difference]: Finished difference Result 566 states and 775 transitions. [2019-10-03 02:52:51,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:51,242 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 204 [2019-10-03 02:52:51,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:51,272 INFO L225 Difference]: With dead ends: 566 [2019-10-03 02:52:51,273 INFO L226 Difference]: Without dead ends: 557 [2019-10-03 02:52:51,274 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:51,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2019-10-03 02:52:51,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2019-10-03 02:52:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2019-10-03 02:52:51,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 764 transitions. [2019-10-03 02:52:51,377 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 764 transitions. Word has length 204 [2019-10-03 02:52:51,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:51,380 INFO L475 AbstractCegarLoop]: Abstraction has 557 states and 764 transitions. [2019-10-03 02:52:51,380 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 764 transitions. [2019-10-03 02:52:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-03 02:52:51,389 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:51,389 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:51,390 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:51,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:51,393 INFO L82 PathProgramCache]: Analyzing trace with hash 861821971, now seen corresponding path program 1 times [2019-10-03 02:52:51,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:51,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:51,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:51,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:51,401 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:51,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:51,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:51,815 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:51,818 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:51,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:51,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:51,820 INFO L87 Difference]: Start difference. First operand 557 states and 764 transitions. Second operand 3 states. [2019-10-03 02:52:51,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:51,890 INFO L93 Difference]: Finished difference Result 560 states and 767 transitions. [2019-10-03 02:52:51,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:51,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-10-03 02:52:51,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:51,900 INFO L225 Difference]: With dead ends: 560 [2019-10-03 02:52:51,900 INFO L226 Difference]: Without dead ends: 560 [2019-10-03 02:52:51,901 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:51,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-10-03 02:52:51,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 559. [2019-10-03 02:52:51,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2019-10-03 02:52:51,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 766 transitions. [2019-10-03 02:52:51,951 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 766 transitions. Word has length 205 [2019-10-03 02:52:51,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:51,954 INFO L475 AbstractCegarLoop]: Abstraction has 559 states and 766 transitions. [2019-10-03 02:52:51,954 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:51,954 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 766 transitions. [2019-10-03 02:52:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-03 02:52:51,961 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:51,962 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:51,962 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:51,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:51,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1773355193, now seen corresponding path program 1 times [2019-10-03 02:52:51,963 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:51,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:51,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:51,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:51,968 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:52,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:52,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:52,142 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:52,142 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:52,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:52,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:52,143 INFO L87 Difference]: Start difference. First operand 559 states and 766 transitions. Second operand 3 states. [2019-10-03 02:52:52,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:52,170 INFO L93 Difference]: Finished difference Result 600 states and 836 transitions. [2019-10-03 02:52:52,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:52,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2019-10-03 02:52:52,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:52,176 INFO L225 Difference]: With dead ends: 600 [2019-10-03 02:52:52,176 INFO L226 Difference]: Without dead ends: 600 [2019-10-03 02:52:52,177 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:52,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-10-03 02:52:52,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 599. [2019-10-03 02:52:52,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-10-03 02:52:52,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 835 transitions. [2019-10-03 02:52:52,199 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 835 transitions. Word has length 211 [2019-10-03 02:52:52,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:52,200 INFO L475 AbstractCegarLoop]: Abstraction has 599 states and 835 transitions. [2019-10-03 02:52:52,200 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 835 transitions. [2019-10-03 02:52:52,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-10-03 02:52:52,205 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:52,206 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:52,206 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:52,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:52,206 INFO L82 PathProgramCache]: Analyzing trace with hash 478766471, now seen corresponding path program 1 times [2019-10-03 02:52:52,207 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:52,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:52,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:52,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:52,212 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-03 02:52:52,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:52:52,794 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:52:52,795 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2019-10-03 02:52:52,800 INFO L207 CegarAbsIntRunner]: [59], [62], [72], [103], [106], [116], [117], [133], [136], [150], [151], [153], [263], [265], [269], [272], [273], [274], [277], [283], [320], [323], [332], [343], [345], [346], [349], [359], [395], [452], [621], [623], [624], [625], [631], [634], [640], [661], [664], [678], [707], [708], [709], [712], [718], [719], [721], [723], [736], [738], [741], [745], [759], [763], [766], [784], [787], [812], [814], [839], [845], [854], [858], [860], [862], [865], [872], [879], [882], [1018], [1020], [1037], [1166], [1168], [1169], [1170], [1173], [1175], [1177], [1180], [1199], [1271], [1275], [1286], [1289], [1290], [1293], [1296], [1327], [1328], [1330], [1332], [1339], [1345], [1347], [1460], [1463], [1477], [1483], [1486], [1495], [1689], [1691], [1693], [1695], [1696], [1724], [1734], [1735], [1736], [1737], [1738], [1739], [1742], [1743], [1744], [1745], [1746], [1748], [1749], [1750], [1751], [1768], [1769], [1780], [1796], [1816], [1817], [1830], [1831], [1832], [1833], [1834], [1836], [1837], [1842], [1843], [1844], [1845], [1846], [1847], [1848], [1849], [1850], [1852], [1853], [1854], [1855], [1864], [1865], [1876], [1898], [1900], [1901], [1918], [1920], [1921], [1922], [1923], [1924], [1925], [1926], [1934], [1935], [1936], [1938], [1939], [1940], [1941], [1942], [1943], [1944], [1945], [1950], [1952], [1953], [1954], [1974], [1975], [1976], [1977], [1978], [1979], [1980], [1981], [1982] [2019-10-03 02:52:52,884 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:52:52,884 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:52:53,026 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:52:53,028 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 200 root evaluator evaluations with a maximum evaluation depth of 0. Performed 200 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 390 variables. [2019-10-03 02:52:53,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:53,032 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:52:53,129 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:52:53,130 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:52:53,141 INFO L420 sIntCurrentIteration]: We unified 211 AI predicates to 211 [2019-10-03 02:52:53,142 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:52:53,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:52:53,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [19] total 19 [2019-10-03 02:52:53,143 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:53,144 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:53,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:53,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:53,144 INFO L87 Difference]: Start difference. First operand 599 states and 835 transitions. Second operand 2 states. [2019-10-03 02:52:53,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:53,145 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:52:53,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:53,146 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 212 [2019-10-03 02:52:53,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:53,146 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:52:53,146 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:52:53,147 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:53,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:52:53,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:52:53,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:52:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:52:53,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2019-10-03 02:52:53,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:53,150 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:52:53,151 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:53,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:52:53,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:52:53,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:52:53 BoogieIcfgContainer [2019-10-03 02:52:53,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:52:53,162 INFO L168 Benchmark]: Toolchain (without parser) took 6515.01 ms. Allocated memory was 133.7 MB in the beginning and 332.4 MB in the end (delta: 198.7 MB). Free memory was 86.8 MB in the beginning and 208.9 MB in the end (delta: -122.1 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:53,163 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:52:53,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1056.04 ms. Allocated memory was 133.7 MB in the beginning and 202.4 MB in the end (delta: 68.7 MB). Free memory was 86.5 MB in the beginning and 129.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:53,166 INFO L168 Benchmark]: Boogie Preprocessor took 177.61 ms. Allocated memory is still 202.4 MB. Free memory was 129.0 MB in the beginning and 119.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:53,168 INFO L168 Benchmark]: RCFGBuilder took 2263.73 ms. Allocated memory was 202.4 MB in the beginning and 261.1 MB in the end (delta: 58.7 MB). Free memory was 119.7 MB in the beginning and 133.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:53,169 INFO L168 Benchmark]: TraceAbstraction took 3013.41 ms. Allocated memory was 261.1 MB in the beginning and 332.4 MB in the end (delta: 71.3 MB). Free memory was 133.6 MB in the beginning and 208.9 MB in the end (delta: -75.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:52:53,180 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1056.04 ms. Allocated memory was 133.7 MB in the beginning and 202.4 MB in the end (delta: 68.7 MB). Free memory was 86.5 MB in the beginning and 129.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 177.61 ms. Allocated memory is still 202.4 MB. Free memory was 129.0 MB in the beginning and 119.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2263.73 ms. Allocated memory was 202.4 MB in the beginning and 261.1 MB in the end (delta: 58.7 MB). Free memory was 119.7 MB in the beginning and 133.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3013.41 ms. Allocated memory was 261.1 MB in the beginning and 332.4 MB in the end (delta: 71.3 MB). Free memory was 133.6 MB in the beginning and 208.9 MB in the end (delta: -75.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2211]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 116 procedures, 815 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2314 SDtfs, 53 SDslu, 1517 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 219 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=614occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.308056872037915 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 832 NumberOfCodeBlocks, 832 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 828 ConstructedInterpolants, 0 QuantifiedInterpolants, 216353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 164/168 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...