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_spec0_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:07:25,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:07:25,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:07:25,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:07:25,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:07:25,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:07:25,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:07:25,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:07:25,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:07:25,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:07:25,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:07:25,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:07:25,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:07:25,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:07:25,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:07:25,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:07:25,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:07:25,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:07:25,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:07:25,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:07:25,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:07:25,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:07:25,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:07:25,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:07:25,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:07:25,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:07:25,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:07:25,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:07:25,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:07:25,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:07:25,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:07:25,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:07:25,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:07:25,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:07:25,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:07:25,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:07:25,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:07:25,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:07:25,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:07:25,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:07:25,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:07:25,949 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 [2019-09-16 17:07:25,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:07:25,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:07:25,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:07:25,971 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:07:25,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:07:25,972 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:07:25,972 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:07:25,973 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:07:25,973 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:07:25,973 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:07:25,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:07:25,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:07:25,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:07:25,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:07:25,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:07:25,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:07:25,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:07:25,975 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:07:25,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:07:25,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:07:25,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:07:25,976 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:07:25,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:07:25,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:07:25,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:07:25,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:07:25,977 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:07:25,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:07:25,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:07:25,978 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:07:26,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:07:26,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:07:26,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:07:26,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:07:26,030 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:07:26,031 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product19.cil.c [2019-09-16 17:07:26,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da5e5380/70ce65a749a34a47840088d7e1807696/FLAG845633765 [2019-09-16 17:07:26,689 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:07:26,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product19.cil.c [2019-09-16 17:07:26,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da5e5380/70ce65a749a34a47840088d7e1807696/FLAG845633765 [2019-09-16 17:07:26,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da5e5380/70ce65a749a34a47840088d7e1807696 [2019-09-16 17:07:26,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:07:26,952 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:07:26,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:26,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:07:26,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:07:26,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:26" (1/1) ... [2019-09-16 17:07:26,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b13a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:26, skipping insertion in model container [2019-09-16 17:07:26,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:26" (1/1) ... [2019-09-16 17:07:26,967 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:07:27,048 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:07:27,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:27,784 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:07:27,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:28,076 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:07:28,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:28 WrapperNode [2019-09-16 17:07:28,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:28,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:07:28,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:07:28,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:07:28,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:28" (1/1) ... [2019-09-16 17:07:28,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:28" (1/1) ... [2019-09-16 17:07:28,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:28" (1/1) ... [2019-09-16 17:07:28,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:28" (1/1) ... [2019-09-16 17:07:28,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:28" (1/1) ... [2019-09-16 17:07:28,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:28" (1/1) ... [2019-09-16 17:07:28,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:28" (1/1) ... [2019-09-16 17:07:28,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:07:28,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:07:28,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:07:28,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:07:28,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:28" (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 [2019-09-16 17:07:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:07:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:07:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 17:07:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-16 17:07:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-16 17:07:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-16 17:07:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-16 17:07:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-16 17:07:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-16 17:07:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-16 17:07:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-16 17:07:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-16 17:07:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-16 17:07:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-16 17:07:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-16 17:07:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-16 17:07:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-16 17:07:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-16 17:07:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-16 17:07:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-16 17:07:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-16 17:07:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-16 17:07:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-16 17:07:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-16 17:07:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-16 17:07:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-16 17:07:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-16 17:07:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 17:07:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 17:07:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 17:07:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 17:07:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-16 17:07:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-16 17:07:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-16 17:07:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-16 17:07:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-16 17:07:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-16 17:07:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-16 17:07:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-16 17:07:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 17:07:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:07:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-16 17:07:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-16 17:07:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-16 17:07:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-16 17:07:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-16 17:07:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-16 17:07:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-16 17:07:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-16 17:07:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-16 17:07:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-16 17:07:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-16 17:07:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-16 17:07:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-16 17:07:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-16 17:07:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-16 17:07:28,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-16 17:07:28,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-16 17:07:28,450 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-16 17:07:28,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-16 17:07:28,451 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-16 17:07:28,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-16 17:07:28,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-16 17:07:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-16 17:07:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-16 17:07:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-16 17:07:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-16 17:07:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-16 17:07:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-16 17:07:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-16 17:07:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-16 17:07:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-16 17:07:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-16 17:07:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-16 17:07:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-16 17:07:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-16 17:07:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-16 17:07:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-16 17:07:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-16 17:07:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-16 17:07:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 17:07:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-16 17:07:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 17:07:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-09-16 17:07:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 17:07:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 17:07:28,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 17:07:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 17:07:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 17:07:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 17:07:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-16 17:07:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-16 17:07:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-16 17:07:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-16 17:07:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-16 17:07:28,464 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-16 17:07:28,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-16 17:07:28,464 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-16 17:07:28,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-16 17:07:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-16 17:07:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-16 17:07:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-16 17:07:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-16 17:07:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-16 17:07:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-16 17:07:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-16 17:07:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-16 17:07:28,467 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-16 17:07:28,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-16 17:07:28,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-16 17:07:28,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-16 17:07:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:07:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:07:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 17:07:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-16 17:07:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-16 17:07:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-16 17:07:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-16 17:07:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-16 17:07:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-16 17:07:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-16 17:07:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-16 17:07:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-16 17:07:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-16 17:07:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-16 17:07:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-16 17:07:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-16 17:07:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:07:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-16 17:07:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-16 17:07:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-16 17:07:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-16 17:07:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-16 17:07:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-16 17:07:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-16 17:07:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-16 17:07:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-16 17:07:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-16 17:07:28,478 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-16 17:07:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-16 17:07:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-16 17:07:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-16 17:07:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-16 17:07:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-16 17:07:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-16 17:07:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-16 17:07:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-16 17:07:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-16 17:07:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-16 17:07:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-16 17:07:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-16 17:07:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-16 17:07:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-16 17:07:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-16 17:07:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-16 17:07:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-16 17:07:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-16 17:07:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-09-16 17:07:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 17:07:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 17:07:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 17:07:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 17:07:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-16 17:07:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-16 17:07:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-16 17:07:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-16 17:07:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-16 17:07:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-16 17:07:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-16 17:07:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-16 17:07:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-16 17:07:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-16 17:07:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-16 17:07:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-16 17:07:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 17:07:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 17:07:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:07:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-16 17:07:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-16 17:07:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-16 17:07:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-16 17:07:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-16 17:07:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-16 17:07:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-16 17:07:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-16 17:07:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-16 17:07:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-16 17:07:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-16 17:07:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-16 17:07:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-16 17:07:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-16 17:07:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-16 17:07:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-16 17:07:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-16 17:07:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-16 17:07:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-16 17:07:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-16 17:07:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-16 17:07:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-16 17:07:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-16 17:07:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-16 17:07:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-16 17:07:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-16 17:07:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-16 17:07:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-16 17:07:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-16 17:07:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 17:07:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-16 17:07:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 17:07:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:07:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:07:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 17:07:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:07:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:07:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:07:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:07:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 17:07:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:07:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 17:07:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 17:07:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:07:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 17:07:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 17:07:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 17:07:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-16 17:07:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-16 17:07:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-16 17:07:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-16 17:07:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-16 17:07:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-16 17:07:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-16 17:07:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-16 17:07:28,515 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-16 17:07:28,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-16 17:07:28,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:07:28,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:07:28,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:07:30,940 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:07:30,942 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-16 17:07:30,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:30 BoogieIcfgContainer [2019-09-16 17:07:30,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:07:30,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:07:30,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:07:30,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:07:30,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:07:26" (1/3) ... [2019-09-16 17:07:30,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f35bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:30, skipping insertion in model container [2019-09-16 17:07:30,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:28" (2/3) ... [2019-09-16 17:07:30,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f35bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:30, skipping insertion in model container [2019-09-16 17:07:30,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:30" (3/3) ... [2019-09-16 17:07:30,955 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product19.cil.c [2019-09-16 17:07:30,965 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:07:30,981 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:07:31,000 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:07:31,041 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:07:31,041 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:07:31,042 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:07:31,042 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:07:31,042 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:07:31,042 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:07:31,042 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:07:31,042 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:07:31,084 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states. [2019-09-16 17:07:31,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-09-16 17:07:31,131 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:31,134 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:31,138 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:31,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:31,149 INFO L82 PathProgramCache]: Analyzing trace with hash -274357697, now seen corresponding path program 1 times [2019-09-16 17:07:31,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:31,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:31,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:31,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:31,222 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-09-16 17:07:31,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:31,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 17:07:31,799 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:31,806 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:07:31,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:07:31,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:07:31,825 INFO L87 Difference]: Start difference. First operand 491 states. Second operand 2 states. [2019-09-16 17:07:31,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:31,878 INFO L93 Difference]: Finished difference Result 477 states and 627 transitions. [2019-09-16 17:07:31,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:07:31,880 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 182 [2019-09-16 17:07:31,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:31,905 INFO L225 Difference]: With dead ends: 477 [2019-09-16 17:07:31,905 INFO L226 Difference]: Without dead ends: 468 [2019-09-16 17:07:31,908 INFO L636 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 [2019-09-16 17:07:31,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2019-09-16 17:07:31,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2019-09-16 17:07:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2019-09-16 17:07:32,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 616 transitions. [2019-09-16 17:07:32,004 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 616 transitions. Word has length 182 [2019-09-16 17:07:32,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:32,007 INFO L475 AbstractCegarLoop]: Abstraction has 468 states and 616 transitions. [2019-09-16 17:07:32,007 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:07:32,007 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 616 transitions. [2019-09-16 17:07:32,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-09-16 17:07:32,012 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:32,013 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:32,013 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:32,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:32,014 INFO L82 PathProgramCache]: Analyzing trace with hash -692158586, now seen corresponding path program 1 times [2019-09-16 17:07:32,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:32,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:32,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:32,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:32,021 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-09-16 17:07:32,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:32,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:07:32,321 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:32,325 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:07:32,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:07:32,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:07:32,326 INFO L87 Difference]: Start difference. First operand 468 states and 616 transitions. Second operand 3 states. [2019-09-16 17:07:32,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:32,391 INFO L93 Difference]: Finished difference Result 471 states and 619 transitions. [2019-09-16 17:07:32,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:07:32,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-09-16 17:07:32,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:32,397 INFO L225 Difference]: With dead ends: 471 [2019-09-16 17:07:32,397 INFO L226 Difference]: Without dead ends: 471 [2019-09-16 17:07:32,398 INFO L636 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 [2019-09-16 17:07:32,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2019-09-16 17:07:32,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 470. [2019-09-16 17:07:32,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-09-16 17:07:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 618 transitions. [2019-09-16 17:07:32,457 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 618 transitions. Word has length 183 [2019-09-16 17:07:32,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:32,458 INFO L475 AbstractCegarLoop]: Abstraction has 470 states and 618 transitions. [2019-09-16 17:07:32,458 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:07:32,458 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 618 transitions. [2019-09-16 17:07:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-09-16 17:07:32,462 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:32,463 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:32,463 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:32,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:32,464 INFO L82 PathProgramCache]: Analyzing trace with hash 389169114, now seen corresponding path program 1 times [2019-09-16 17:07:32,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:32,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:32,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:32,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:32,468 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-09-16 17:07:32,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:32,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:07:32,674 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:32,678 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:07:32,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:07:32,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:07:32,681 INFO L87 Difference]: Start difference. First operand 470 states and 618 transitions. Second operand 3 states. [2019-09-16 17:07:32,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:32,726 INFO L93 Difference]: Finished difference Result 511 states and 688 transitions. [2019-09-16 17:07:32,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:07:32,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-09-16 17:07:32,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:32,739 INFO L225 Difference]: With dead ends: 511 [2019-09-16 17:07:32,739 INFO L226 Difference]: Without dead ends: 511 [2019-09-16 17:07:32,740 INFO L636 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 [2019-09-16 17:07:32,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2019-09-16 17:07:32,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 510. [2019-09-16 17:07:32,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-09-16 17:07:32,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 687 transitions. [2019-09-16 17:07:32,878 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 687 transitions. Word has length 189 [2019-09-16 17:07:32,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:32,879 INFO L475 AbstractCegarLoop]: Abstraction has 510 states and 687 transitions. [2019-09-16 17:07:32,879 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:07:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 687 transitions. [2019-09-16 17:07:32,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-09-16 17:07:32,891 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:32,891 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:32,892 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:32,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:32,893 INFO L82 PathProgramCache]: Analyzing trace with hash -505587563, now seen corresponding path program 1 times [2019-09-16 17:07:32,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:32,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:32,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:32,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:32,902 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-09-16 17:07:33,243 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 17:07:33,243 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-16 17:07:33,244 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2019-09-16 17:07:33,247 INFO L207 CegarAbsIntRunner]: [44], [47], [50], [72], [75], [85], [123], [139], [142], [156], [157], [159], [269], [271], [275], [278], [279], [280], [283], [289], [311], [313], [314], [317], [326], [337], [338], [339], [341], [342], [345], [355], [356], [357], [384], [386], [398], [420], [515], [611], [613], [614], [615], [633], [635], [640], [664], [667], [681], [720], [722], [725], [726], [737], [739], [742], [746], [770], [774], [777], [785], [788], [806], [809], [819], [820], [826], [835], [839], [841], [843], [846], [853], [860], [863], [1124], [1178], [1200], [1211], [1214], [1253], [1255], [1368], [1371], [1385], [1391], [1394], [1403], [1592], [1594], [1596], [1598], [1599], [1611], [1612], [1613], [1614], [1615], [1616], [1617], [1629], [1639], [1640], [1641], [1642], [1643], [1644], [1647], [1648], [1649], [1650], [1651], [1653], [1654], [1655], [1656], [1663], [1664], [1669], [1670], [1675], [1676], [1695], [1711], [1712], [1721], [1722], [1723], [1731], [1732], [1733], [1735], [1736], [1741], [1742], [1743], [1744], [1745], [1746], [1747], [1748], [1749], [1751], [1752], [1753], [1754], [1769], [1770], [1771], [1793], [1795], [1796], [1797], [1799], [1800], [1801], [1802], [1803], [1804], [1805], [1817], [1818], [1819], [1820], [1821], [1822], [1823], [1824], [1825] [2019-09-16 17:07:33,332 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-16 17:07:33,332 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:07:33,483 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:07:33,485 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 196 root evaluator evaluations with a maximum evaluation depth of 0. Performed 196 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 364 variables. [2019-09-16 17:07:33,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:33,491 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-16 17:07:33,564 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-16 17:07:33,565 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-16 17:07:33,572 INFO L420 sIntCurrentIteration]: We unified 189 AI predicates to 189 [2019-09-16 17:07:33,572 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-16 17:07:33,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 17:07:33,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2019-09-16 17:07:33,573 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:33,574 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:07:33,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:07:33,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:07:33,574 INFO L87 Difference]: Start difference. First operand 510 states and 687 transitions. Second operand 2 states. [2019-09-16 17:07:33,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:33,575 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-16 17:07:33,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:07:33,575 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 190 [2019-09-16 17:07:33,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:33,576 INFO L225 Difference]: With dead ends: 2 [2019-09-16 17:07:33,576 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:07:33,576 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:07:33,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:07:33,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:07:33,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:07:33,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:07:33,577 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 190 [2019-09-16 17:07:33,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:33,578 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:07:33,578 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:07:33,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:07:33,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:07:33,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:07:33 BoogieIcfgContainer [2019-09-16 17:07:33,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:07:33,587 INFO L168 Benchmark]: Toolchain (without parser) took 6633.10 ms. Allocated memory was 135.8 MB in the beginning and 342.4 MB in the end (delta: 206.6 MB). Free memory was 83.5 MB in the beginning and 184.5 MB in the end (delta: -101.0 MB). Peak memory consumption was 105.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:33,587 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 135.8 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:07:33,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1124.40 ms. Allocated memory was 135.8 MB in the beginning and 200.8 MB in the end (delta: 65.0 MB). Free memory was 83.1 MB in the beginning and 135.6 MB in the end (delta: -52.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:33,589 INFO L168 Benchmark]: Boogie Preprocessor took 233.15 ms. Allocated memory is still 200.8 MB. Free memory was 135.6 MB in the beginning and 127.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:33,590 INFO L168 Benchmark]: RCFGBuilder took 2632.89 ms. Allocated memory was 200.8 MB in the beginning and 265.8 MB in the end (delta: 65.0 MB). Free memory was 127.0 MB in the beginning and 177.1 MB in the end (delta: -50.1 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:33,591 INFO L168 Benchmark]: TraceAbstraction took 2637.97 ms. Allocated memory was 265.8 MB in the beginning and 342.4 MB in the end (delta: 76.5 MB). Free memory was 177.1 MB in the beginning and 184.5 MB in the end (delta: -7.4 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:33,595 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 135.8 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1124.40 ms. Allocated memory was 135.8 MB in the beginning and 200.8 MB in the end (delta: 65.0 MB). Free memory was 83.1 MB in the beginning and 135.6 MB in the end (delta: -52.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 233.15 ms. Allocated memory is still 200.8 MB. Free memory was 135.6 MB in the beginning and 127.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2632.89 ms. Allocated memory was 200.8 MB in the beginning and 265.8 MB in the end (delta: 65.0 MB). Free memory was 127.0 MB in the beginning and 177.1 MB in the end (delta: -50.1 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2637.97 ms. Allocated memory was 265.8 MB in the beginning and 342.4 MB in the end (delta: 76.5 MB). Free memory was 177.1 MB in the beginning and 184.5 MB in the end (delta: -7.4 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1859]: 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 111 procedures, 745 locations, 1 error locations. SAFE Result, 2.5s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1869 SDtfs, 53 SDslu, 1221 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=510occurred in iteration=3, 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, 2.185185185185185 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 740 ConstructedInterpolants, 0 QuantifiedInterpolants, 142206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 142/144 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...