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_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:41:21,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:41:21,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:41:21,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:41:21,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:41:21,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:41:21,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:41:21,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:41:21,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:41:21,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:41:21,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:41:21,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:41:21,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:41:21,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:41:21,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:41:21,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:41:21,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:41:21,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:41:21,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:41:21,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:41:21,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:41:21,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:41:21,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:41:21,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:41:21,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:41:21,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:41:21,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:41:21,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:41:21,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:41:21,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:41:21,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:41:21,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:41:21,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:41:21,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:41:21,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:41:21,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:41:21,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:41:21,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:41:21,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:41:21,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:41:21,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:41:21,584 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 [2019-09-10 02:41:21,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:41:21,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:41:21,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:41:21,599 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:41:21,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:41:21,600 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:41:21,600 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:41:21,600 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:41:21,600 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:41:21,600 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:41:21,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:41:21,601 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:41:21,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:41:21,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:41:21,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:41:21,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:41:21,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:41:21,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:41:21,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:41:21,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:41:21,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:41:21,603 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:41:21,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:41:21,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:41:21,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:41:21,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:41:21,604 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:41:21,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:41:21,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:41:21,605 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:41:21,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:41:21,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:41:21,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:41:21,654 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:41:21,655 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:41:21,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2019-09-10 02:41:21,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40f6b2be/0b3045e6601542828a5428a026ad17a7/FLAGd3ba1a50d [2019-09-10 02:41:22,307 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:41:22,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2019-09-10 02:41:22,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40f6b2be/0b3045e6601542828a5428a026ad17a7/FLAGd3ba1a50d [2019-09-10 02:41:22,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40f6b2be/0b3045e6601542828a5428a026ad17a7 [2019-09-10 02:41:22,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:41:22,566 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:41:22,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:41:22,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:41:22,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:41:22,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:41:22" (1/1) ... [2019-09-10 02:41:22,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdd3a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:22, skipping insertion in model container [2019-09-10 02:41:22,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:41:22" (1/1) ... [2019-09-10 02:41:22,582 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:41:22,653 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:41:23,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:41:23,322 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:41:23,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:41:23,576 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:41:23,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:23 WrapperNode [2019-09-10 02:41:23,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:41:23,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:41:23,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:41:23,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:41:23,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:23" (1/1) ... [2019-09-10 02:41:23,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:23" (1/1) ... [2019-09-10 02:41:23,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:23" (1/1) ... [2019-09-10 02:41:23,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:23" (1/1) ... [2019-09-10 02:41:23,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:23" (1/1) ... [2019-09-10 02:41:23,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:23" (1/1) ... [2019-09-10 02:41:23,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:23" (1/1) ... [2019-09-10 02:41:23,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:41:23,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:41:23,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:41:23,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:41:23,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:23" (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 [2019-09-10 02:41:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:41:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:41:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:41:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:41:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:41:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:41:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:41:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:41:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:41:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:41:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:41:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:41:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:41:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:41:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:41:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:41:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:41:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:41:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:41:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:41:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:41:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:41:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:41:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:41:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:41:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:41:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:41:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:41:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:41:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:41:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:41:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:41:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:41:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:41:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:41:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:41:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:41:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:41:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:41:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:41:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:41:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:41:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:41:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:41:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:41:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:41:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:41:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:41:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:41:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:41:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:41:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:41:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:41:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:41:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:41:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:41:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:41:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:41:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:41:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:41:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-09-10 02:41:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-10 02:41:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:41:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:41:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:41:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:41:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:41:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:41:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:41:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:41:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:41:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:41:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:41:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:41:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:41:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:41:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:41:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:41:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:41:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:41:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:41:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:41:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:41:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:41:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:41:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:41:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:41:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:41:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:41:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:41:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:41:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:41:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:41:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:41:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:41:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:41:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-09-10 02:41:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:41:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:41:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-09-10 02:41:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:41:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:41:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:41:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:41:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:41:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:41:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:41:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:41:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:41:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:41:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:41:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:41:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:41:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:41:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:41:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:41:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-09-10 02:41:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:41:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:41:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:41:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:41:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:41:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:41:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:41:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:41:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:41:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:41:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:41:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:41:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:41:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:41:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:41:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:41:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:41:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:41:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:41:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:41:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:41:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:41:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:41:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:41:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:41:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:41:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:41:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:41:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:41:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:41:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:41:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:41:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:41:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:41:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:41:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:41:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:41:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:41:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:41:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:41:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:41:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:41:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:41:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:41:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:41:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:41:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:41:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:41:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:41:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:41:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:41:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:41:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:41:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:41:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:41:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:41:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:41:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:41:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:41:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:41:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:41:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:41:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:41:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:41:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:41:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:41:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:41:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:41:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:41:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:41:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:41:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:41:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:41:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:41:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:41:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:41:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-09-10 02:41:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-10 02:41:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:41:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:41:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:41:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:41:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:41:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:41:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:41:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:41:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:41:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:41:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:41:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:41:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:41:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:41:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:41:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:41:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:41:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:41:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:41:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:41:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:41:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:41:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:41:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:41:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:41:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:41:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:41:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:41:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:41:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:41:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:41:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:41:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:41:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:41:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:41:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:41:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:41:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:41:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:41:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:41:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:41:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:41:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:41:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:41:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:41:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-09-10 02:41:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:41:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-09-10 02:41:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-09-10 02:41:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:41:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:41:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:41:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:41:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:41:26,163 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:41:26,163 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:41:26,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:41:26 BoogieIcfgContainer [2019-09-10 02:41:26,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:41:26,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:41:26,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:41:26,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:41:26,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:41:22" (1/3) ... [2019-09-10 02:41:26,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e774bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:41:26, skipping insertion in model container [2019-09-10 02:41:26,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:23" (2/3) ... [2019-09-10 02:41:26,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e774bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:41:26, skipping insertion in model container [2019-09-10 02:41:26,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:41:26" (3/3) ... [2019-09-10 02:41:26,175 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product27.cil.c [2019-09-10 02:41:26,186 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:41:26,199 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:41:26,218 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:41:26,256 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:41:26,257 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:41:26,257 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:41:26,258 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:41:26,258 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:41:26,258 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:41:26,258 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:41:26,258 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:41:26,296 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states. [2019-09-10 02:41:26,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-09-10 02:41:26,331 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:26,332 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:26,335 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:26,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:26,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1321708058, now seen corresponding path program 1 times [2019-09-10 02:41:26,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:26,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:26,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:26,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:26,395 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:41:27,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:27,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:41:27,084 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:27,091 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:41:27,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:41:27,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:27,109 INFO L87 Difference]: Start difference. First operand 619 states. Second operand 2 states. [2019-09-10 02:41:27,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:27,204 INFO L93 Difference]: Finished difference Result 599 states and 811 transitions. [2019-09-10 02:41:27,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:41:27,206 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 157 [2019-09-10 02:41:27,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:27,235 INFO L225 Difference]: With dead ends: 599 [2019-09-10 02:41:27,236 INFO L226 Difference]: Without dead ends: 590 [2019-09-10 02:41:27,237 INFO L628 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 [2019-09-10 02:41:27,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-09-10 02:41:27,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2019-09-10 02:41:27,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2019-09-10 02:41:27,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 800 transitions. [2019-09-10 02:41:27,341 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 800 transitions. Word has length 157 [2019-09-10 02:41:27,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:27,344 INFO L475 AbstractCegarLoop]: Abstraction has 590 states and 800 transitions. [2019-09-10 02:41:27,344 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:41:27,344 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 800 transitions. [2019-09-10 02:41:27,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-09-10 02:41:27,349 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:27,350 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:27,350 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:27,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:27,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1215035645, now seen corresponding path program 1 times [2019-09-10 02:41:27,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:27,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:27,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:27,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:27,352 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:41:27,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:27,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:27,557 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:27,559 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:27,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:27,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:27,560 INFO L87 Difference]: Start difference. First operand 590 states and 800 transitions. Second operand 3 states. [2019-09-10 02:41:27,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:27,595 INFO L93 Difference]: Finished difference Result 593 states and 803 transitions. [2019-09-10 02:41:27,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:27,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-09-10 02:41:27,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:27,601 INFO L225 Difference]: With dead ends: 593 [2019-09-10 02:41:27,602 INFO L226 Difference]: Without dead ends: 593 [2019-09-10 02:41:27,603 INFO L628 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 [2019-09-10 02:41:27,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-09-10 02:41:27,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 592. [2019-09-10 02:41:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2019-09-10 02:41:27,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 802 transitions. [2019-09-10 02:41:27,635 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 802 transitions. Word has length 158 [2019-09-10 02:41:27,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:27,635 INFO L475 AbstractCegarLoop]: Abstraction has 592 states and 802 transitions. [2019-09-10 02:41:27,635 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:27,636 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 802 transitions. [2019-09-10 02:41:27,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-09-10 02:41:27,639 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:27,639 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:27,640 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:27,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:27,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1817662030, now seen corresponding path program 1 times [2019-09-10 02:41:27,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:27,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:27,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:27,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:27,642 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:27,860 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:41:27,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:27,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:27,861 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:27,862 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:27,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:27,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:27,863 INFO L87 Difference]: Start difference. First operand 592 states and 802 transitions. Second operand 3 states. [2019-09-10 02:41:27,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:27,887 INFO L93 Difference]: Finished difference Result 637 states and 878 transitions. [2019-09-10 02:41:27,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:27,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-09-10 02:41:27,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:27,892 INFO L225 Difference]: With dead ends: 637 [2019-09-10 02:41:27,893 INFO L226 Difference]: Without dead ends: 637 [2019-09-10 02:41:27,893 INFO L628 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 [2019-09-10 02:41:27,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2019-09-10 02:41:27,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 636. [2019-09-10 02:41:27,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-09-10 02:41:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 877 transitions. [2019-09-10 02:41:27,922 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 877 transitions. Word has length 170 [2019-09-10 02:41:27,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:27,923 INFO L475 AbstractCegarLoop]: Abstraction has 636 states and 877 transitions. [2019-09-10 02:41:27,923 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 877 transitions. [2019-09-10 02:41:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-09-10 02:41:27,930 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:27,930 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:27,930 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:27,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:27,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1202923283, now seen corresponding path program 1 times [2019-09-10 02:41:27,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:27,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:27,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:27,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:27,932 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:41:28,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:28,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:28,109 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:28,110 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:28,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:28,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:28,111 INFO L87 Difference]: Start difference. First operand 636 states and 877 transitions. Second operand 3 states. [2019-09-10 02:41:28,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:28,140 INFO L93 Difference]: Finished difference Result 722 states and 1022 transitions. [2019-09-10 02:41:28,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:28,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-09-10 02:41:28,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:28,147 INFO L225 Difference]: With dead ends: 722 [2019-09-10 02:41:28,147 INFO L226 Difference]: Without dead ends: 722 [2019-09-10 02:41:28,147 INFO L628 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 [2019-09-10 02:41:28,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2019-09-10 02:41:28,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 721. [2019-09-10 02:41:28,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2019-09-10 02:41:28,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1021 transitions. [2019-09-10 02:41:28,179 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1021 transitions. Word has length 171 [2019-09-10 02:41:28,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:28,181 INFO L475 AbstractCegarLoop]: Abstraction has 721 states and 1021 transitions. [2019-09-10 02:41:28,181 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:28,181 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1021 transitions. [2019-09-10 02:41:28,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-09-10 02:41:28,186 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:28,186 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:28,186 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:28,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:28,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1280448012, now seen corresponding path program 1 times [2019-09-10 02:41:28,187 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:28,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:28,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:28,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:28,188 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 02:41:28,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:28,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:41:28,413 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:28,413 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:41:28,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:41:28,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:41:28,415 INFO L87 Difference]: Start difference. First operand 721 states and 1021 transitions. Second operand 7 states. [2019-09-10 02:41:32,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:32,261 INFO L93 Difference]: Finished difference Result 1029 states and 1421 transitions. [2019-09-10 02:41:32,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 02:41:32,262 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2019-09-10 02:41:32,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:32,270 INFO L225 Difference]: With dead ends: 1029 [2019-09-10 02:41:32,270 INFO L226 Difference]: Without dead ends: 1027 [2019-09-10 02:41:32,271 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-10 02:41:32,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-09-10 02:41:32,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1018. [2019-09-10 02:41:32,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1018 states. [2019-09-10 02:41:32,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1409 transitions. [2019-09-10 02:41:32,309 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1409 transitions. Word has length 174 [2019-09-10 02:41:32,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:32,310 INFO L475 AbstractCegarLoop]: Abstraction has 1018 states and 1409 transitions. [2019-09-10 02:41:32,310 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:41:32,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1409 transitions. [2019-09-10 02:41:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-09-10 02:41:32,314 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:32,315 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:32,315 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:32,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:32,316 INFO L82 PathProgramCache]: Analyzing trace with hash -285515108, now seen corresponding path program 1 times [2019-09-10 02:41:32,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:32,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:32,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:32,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:32,318 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:32,747 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 02:41:32,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:32,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-10 02:41:32,748 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:32,749 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-10 02:41:32,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-10 02:41:32,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2019-09-10 02:41:32,751 INFO L87 Difference]: Start difference. First operand 1018 states and 1409 transitions. Second operand 18 states. [2019-09-10 02:41:33,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:33,292 INFO L93 Difference]: Finished difference Result 1114 states and 1542 transitions. [2019-09-10 02:41:33,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-10 02:41:33,292 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 175 [2019-09-10 02:41:33,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:33,301 INFO L225 Difference]: With dead ends: 1114 [2019-09-10 02:41:33,301 INFO L226 Difference]: Without dead ends: 1106 [2019-09-10 02:41:33,302 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2019-09-10 02:41:33,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2019-09-10 02:41:33,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1104. [2019-09-10 02:41:33,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1104 states. [2019-09-10 02:41:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1530 transitions. [2019-09-10 02:41:33,353 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1530 transitions. Word has length 175 [2019-09-10 02:41:33,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:33,353 INFO L475 AbstractCegarLoop]: Abstraction has 1104 states and 1530 transitions. [2019-09-10 02:41:33,353 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-10 02:41:33,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1530 transitions. [2019-09-10 02:41:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-09-10 02:41:33,358 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:33,358 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:33,358 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:33,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:33,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1555376384, now seen corresponding path program 1 times [2019-09-10 02:41:33,359 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:33,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:33,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:33,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:33,360 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 02:41:33,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:33,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 02:41:33,559 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:33,559 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:41:33,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:41:33,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:41:33,560 INFO L87 Difference]: Start difference. First operand 1104 states and 1530 transitions. Second operand 8 states. [2019-09-10 02:41:34,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:34,377 INFO L93 Difference]: Finished difference Result 1824 states and 2482 transitions. [2019-09-10 02:41:34,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-10 02:41:34,378 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 184 [2019-09-10 02:41:34,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:34,390 INFO L225 Difference]: With dead ends: 1824 [2019-09-10 02:41:34,390 INFO L226 Difference]: Without dead ends: 1824 [2019-09-10 02:41:34,391 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-09-10 02:41:34,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2019-09-10 02:41:34,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1805. [2019-09-10 02:41:34,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1805 states. [2019-09-10 02:41:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2463 transitions. [2019-09-10 02:41:34,470 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2463 transitions. Word has length 184 [2019-09-10 02:41:34,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:34,472 INFO L475 AbstractCegarLoop]: Abstraction has 1805 states and 2463 transitions. [2019-09-10 02:41:34,472 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:41:34,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2463 transitions. [2019-09-10 02:41:34,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-09-10 02:41:34,477 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:34,477 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:34,477 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:34,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:34,478 INFO L82 PathProgramCache]: Analyzing trace with hash 266069784, now seen corresponding path program 1 times [2019-09-10 02:41:34,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:34,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:34,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:34,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:34,479 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:41:34,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:34,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-09-10 02:41:34,796 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:34,796 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-09-10 02:41:34,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-09-10 02:41:34,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2019-09-10 02:41:34,797 INFO L87 Difference]: Start difference. First operand 1805 states and 2463 transitions. Second operand 17 states. [2019-09-10 02:41:35,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:35,688 INFO L93 Difference]: Finished difference Result 1804 states and 2459 transitions. [2019-09-10 02:41:35,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-10 02:41:35,689 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 185 [2019-09-10 02:41:35,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:35,705 INFO L225 Difference]: With dead ends: 1804 [2019-09-10 02:41:35,705 INFO L226 Difference]: Without dead ends: 1804 [2019-09-10 02:41:35,706 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=829, Unknown=0, NotChecked=0, Total=930 [2019-09-10 02:41:35,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2019-09-10 02:41:35,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1803. [2019-09-10 02:41:35,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1803 states. [2019-09-10 02:41:35,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2458 transitions. [2019-09-10 02:41:35,788 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2458 transitions. Word has length 185 [2019-09-10 02:41:35,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:35,788 INFO L475 AbstractCegarLoop]: Abstraction has 1803 states and 2458 transitions. [2019-09-10 02:41:35,788 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-09-10 02:41:35,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2458 transitions. [2019-09-10 02:41:35,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-09-10 02:41:35,793 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:35,793 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:41:35,794 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:35,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:35,794 INFO L82 PathProgramCache]: Analyzing trace with hash -2118439478, now seen corresponding path program 2 times [2019-09-10 02:41:35,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:35,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:35,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:35,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:35,796 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:35,998 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:41:35,999 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:41:35,999 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:41:35,999 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-09-10 02:41:36,001 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-09-10 02:41:36,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:41:36,001 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 02:41:36,016 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-10 02:41:36,016 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-09-10 02:41:36,346 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2019-09-10 02:41:36,347 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-10 02:41:36,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 2158 conjuncts, 10 conjunts are in the unsatisfiable core [2019-09-10 02:41:36,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 02:41:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-09-10 02:41:36,627 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 02:41:37,160 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-10 02:41:37,171 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:41:37,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [11] total 23 [2019-09-10 02:41:37,171 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:37,173 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:41:37,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:41:37,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2019-09-10 02:41:37,174 INFO L87 Difference]: Start difference. First operand 1803 states and 2458 transitions. Second operand 8 states. [2019-09-10 02:41:38,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:38,247 INFO L93 Difference]: Finished difference Result 3574 states and 4897 transitions. [2019-09-10 02:41:38,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 02:41:38,248 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 185 [2019-09-10 02:41:38,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:38,274 INFO L225 Difference]: With dead ends: 3574 [2019-09-10 02:41:38,274 INFO L226 Difference]: Without dead ends: 3574 [2019-09-10 02:41:38,275 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 359 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=714, Unknown=0, NotChecked=0, Total=812 [2019-09-10 02:41:38,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3574 states. [2019-09-10 02:41:38,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3574 to 3559. [2019-09-10 02:41:38,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3559 states. [2019-09-10 02:41:38,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 3559 states and 4883 transitions. [2019-09-10 02:41:38,402 INFO L78 Accepts]: Start accepts. Automaton has 3559 states and 4883 transitions. Word has length 185 [2019-09-10 02:41:38,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:38,403 INFO L475 AbstractCegarLoop]: Abstraction has 3559 states and 4883 transitions. [2019-09-10 02:41:38,403 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:41:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 3559 states and 4883 transitions. [2019-09-10 02:41:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-09-10 02:41:38,411 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:38,412 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-09-10 02:41:38,412 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:38,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:38,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1454053728, now seen corresponding path program 1 times [2019-09-10 02:41:38,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:38,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:38,414 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-10 02:41:38,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:38,414 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:38,625 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:41:38,625 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:41:38,625 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:41:38,626 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2019-09-10 02:41:38,628 INFO L207 CegarAbsIntRunner]: [72], [75], [76], [79], [85], [86], [89], [98], [119], [122], [132], [133], [162], [165], [166], [167], [169], [279], [282], [283], [327], [329], [343], [346], [355], [358], [360], [361], [364], [374], [441], [630], [632], [633], [634], [672], [675], [689], [718], [719], [720], [723], [729], [730], [747], [749], [753], [756], [780], [784], [787], [795], [798], [832], [841], [845], [847], [849], [852], [859], [866], [869], [871], [1009], [1011], [1028], [1032], [1035], [1049], [1106], [1108], [1111], [1113], [1116], [1176], [1248], [1252], [1263], [1266], [1307], [1309], [1422], [1425], [1427], [1430], [1439], [1445], [1448], [1457], [1511], [1514], [1523], [1651], [1653], [1655], [1657], [1658], [1699], [1709], [1710], [1711], [1712], [1713], [1714], [1717], [1718], [1719], [1720], [1733], [1734], [1735], [1736], [1737], [1743], [1744], [1763], [1764], [1785], [1786], [1801], [1807], [1808], [1809], [1810], [1811], [1812], [1813], [1814], [1815], [1816], [1817], [1818], [1819], [1820], [1821], [1823], [1824], [1825], [1826], [1847], [1848], [1867], [1869], [1870], [1887], [1889], [1890], [1891], [1892], [1893], [1895], [1896], [1897], [1899], [1900], [1901], [1902], [1903], [1904], [1905], [1925], [1926], [1927], [1928], [1929], [1930], [1931], [1932], [1933] [2019-09-10 02:41:38,683 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:41:38,684 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:41:38,849 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:41:38,851 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 191 root evaluator evaluations with a maximum evaluation depth of 0. Performed 191 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 376 variables. [2019-09-10 02:41:38,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:38,855 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:41:38,931 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:41:38,932 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:41:38,936 INFO L420 sIntCurrentIteration]: We unified 185 AI predicates to 185 [2019-09-10 02:41:38,936 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:41:38,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:41:38,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 11 [2019-09-10 02:41:38,937 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:38,938 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:41:38,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:41:38,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:38,938 INFO L87 Difference]: Start difference. First operand 3559 states and 4883 transitions. Second operand 2 states. [2019-09-10 02:41:38,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:38,939 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:41:38,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:41:38,939 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 186 [2019-09-10 02:41:38,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:38,939 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:41:38,940 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:41:38,940 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:38,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:41:38,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:41:38,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:41:38,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:41:38,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2019-09-10 02:41:38,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:38,941 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:41:38,941 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:41:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:41:38,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:41:38,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:41:38 BoogieIcfgContainer [2019-09-10 02:41:38,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:41:38,949 INFO L168 Benchmark]: Toolchain (without parser) took 16381.91 ms. Allocated memory was 138.4 MB in the beginning and 515.4 MB in the end (delta: 377.0 MB). Free memory was 86.4 MB in the beginning and 123.4 MB in the end (delta: -37.0 MB). Peak memory consumption was 340.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:38,950 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:41:38,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1010.15 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 86.2 MB in the beginning and 131.2 MB in the end (delta: -45.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:38,952 INFO L168 Benchmark]: Boogie Preprocessor took 209.94 ms. Allocated memory is still 202.4 MB. Free memory was 131.2 MB in the beginning and 122.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:38,953 INFO L168 Benchmark]: RCFGBuilder took 2377.69 ms. Allocated memory was 202.4 MB in the beginning and 259.5 MB in the end (delta: 57.1 MB). Free memory was 122.2 MB in the beginning and 150.4 MB in the end (delta: -28.2 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:38,953 INFO L168 Benchmark]: TraceAbstraction took 12780.03 ms. Allocated memory was 259.5 MB in the beginning and 515.4 MB in the end (delta: 255.9 MB). Free memory was 150.4 MB in the beginning and 123.4 MB in the end (delta: 27.1 MB). Peak memory consumption was 282.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:38,958 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1010.15 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 86.2 MB in the beginning and 131.2 MB in the end (delta: -45.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 209.94 ms. Allocated memory is still 202.4 MB. Free memory was 131.2 MB in the beginning and 122.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2377.69 ms. Allocated memory was 202.4 MB in the beginning and 259.5 MB in the end (delta: 57.1 MB). Free memory was 122.2 MB in the beginning and 150.4 MB in the end (delta: -28.2 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12780.03 ms. Allocated memory was 259.5 MB in the beginning and 515.4 MB in the end (delta: 255.9 MB). Free memory was 150.4 MB in the beginning and 123.4 MB in the end (delta: 27.1 MB). Peak memory consumption was 282.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: 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 117 procedures, 798 locations, 1 error locations. SAFE Result, 12.7s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 7.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7569 SDtfs, 3207 SDslu, 36727 SDs, 0 SdLazy, 5083 SolverSat, 599 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 675 GetRequests, 569 SyntacticMatches, 2 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3559occurred in iteration=9, 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, 2.1837837837837837 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 49 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1930 NumberOfCodeBlocks, 1821 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2103 ConstructedInterpolants, 0 QuantifiedInterpolants, 537940 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2158 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 394/400 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...