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_spec1_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:40:14,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:40:14,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:40:14,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:40:14,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:40:14,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:40:14,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:40:14,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:40:14,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:40:14,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:40:14,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:40:14,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:40:14,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:40:14,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:40:14,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:40:14,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:40:14,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:40:14,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:40:14,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:40:14,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:40:14,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:40:14,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:40:14,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:40:14,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:40:14,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:40:14,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:40:14,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:40:14,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:40:14,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:40:14,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:40:14,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:40:14,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:40:14,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:40:14,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:40:14,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:40:14,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:40:14,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:40:14,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:40:14,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:40:14,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:40:14,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:40:14,085 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 02:40:14,099 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:40:14,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:40:14,100 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:40:14,100 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:40:14,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:40:14,101 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:40:14,101 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:40:14,101 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:40:14,102 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:40:14,102 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:40:14,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:40:14,103 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:40:14,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:40:14,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:40:14,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:40:14,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:40:14,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:40:14,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:40:14,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:40:14,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:40:14,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:40:14,105 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:40:14,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:40:14,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:40:14,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:40:14,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:40:14,106 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:40:14,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:40:14,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:40:14,106 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:40:14,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:40:14,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:40:14,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:40:14,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:40:14,172 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:40:14,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product29.cil.c [2019-09-10 02:40:14,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f3cbbb6/be5a98a22dbf4850a4be4d728012dba7/FLAG0df22f39d [2019-09-10 02:40:14,854 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:40:14,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product29.cil.c [2019-09-10 02:40:14,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f3cbbb6/be5a98a22dbf4850a4be4d728012dba7/FLAG0df22f39d [2019-09-10 02:40:15,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f3cbbb6/be5a98a22dbf4850a4be4d728012dba7 [2019-09-10 02:40:15,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:40:15,110 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:40:15,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:15,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:40:15,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:40:15,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:15" (1/1) ... [2019-09-10 02:40:15,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569d7993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:15, skipping insertion in model container [2019-09-10 02:40:15,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:15" (1/1) ... [2019-09-10 02:40:15,127 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:40:15,207 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:40:16,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:16,077 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:40:16,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:16,306 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:40:16,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16 WrapperNode [2019-09-10 02:40:16,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:16,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:40:16,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:40:16,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:40:16,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:40:16,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:40:16,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:40:16,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:40:16,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (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 02:40:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:40:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:40:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:40:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:40:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:40:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:40:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:40:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:40:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:40:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:40:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:40:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:40:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:40:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:40:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:40:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:40:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:40:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:40:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:40:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:40:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:40:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:40:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:40:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:40:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:40:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:40:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:40:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:40:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-09-10 02:40:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-09-10 02:40:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:40:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:40:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:40:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:40:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:40:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:40:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:40:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:40:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:40:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:40:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:40:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:40:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:40:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:40:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:40:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:40:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:40:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:40:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:40:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:40:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:40:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:40:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:40:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:40:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:40:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:40:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:40:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:40:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:40:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:40:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:40:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:40:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:40:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:40:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:40:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:40:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:40:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:40:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:40:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:40:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:40:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:40:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:40:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:40:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:40:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:40:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:40:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:40:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:40:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:40:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:40:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:40:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:40:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:40:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:40:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:40:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:40:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-09-10 02:40:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:40:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:40:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:40:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-09-10 02:40:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-09-10 02:40:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:40:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:40:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:40:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:40:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:40:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:40:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:40:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:40:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:40:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:40:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:40:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:40:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:40:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:40:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:40:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:40:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:40:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:40:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:40:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:40:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:40:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:40:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:40:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:40:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:40:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:40:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:40:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:40:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:40:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:40:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:40:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:40:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:40:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:40:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:40:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:40:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:40:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:40:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:40:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:40:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:40:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:40:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:40:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:40:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:40:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:40:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:40:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:40:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:40:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:40:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:40:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:40:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:40:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:40:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:40:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:40:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:40:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:40:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:40:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:40:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:40:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:40:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:40:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:40:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:40:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:40:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:40:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:40:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-09-10 02:40:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-09-10 02:40:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:40:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:40:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:40:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:40:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:40:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:40:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:40:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:40:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:40:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:40:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:40:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:40:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:40:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:40:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:40:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:40:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:40:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:40:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:40:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:40:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:40:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:40:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:40:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:40:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:40:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:40:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:40:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:40:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:40:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:40:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:40:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:40:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:40:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:40:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:40:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:40:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:40:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:40:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:40:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:40:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:40:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:40:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:40:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:40:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:40:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:40:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:40:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:40:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:40:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:40:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:40:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-09-10 02:40:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:40:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:40:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:40:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:40:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:40:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:40:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:40:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:40:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:40:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:40:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:40:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-09-10 02:40:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-09-10 02:40:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:40:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:40:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:40:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:40:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:40:18,742 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:40:18,743 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:40:18,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:18 BoogieIcfgContainer [2019-09-10 02:40:18,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:40:18,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:40:18,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:40:18,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:40:18,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:40:15" (1/3) ... [2019-09-10 02:40:18,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54aca26f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:18, skipping insertion in model container [2019-09-10 02:40:18,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16" (2/3) ... [2019-09-10 02:40:18,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54aca26f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:18, skipping insertion in model container [2019-09-10 02:40:18,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:18" (3/3) ... [2019-09-10 02:40:18,753 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product29.cil.c [2019-09-10 02:40:18,763 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:40:18,775 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:40:18,792 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:40:18,823 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:40:18,823 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:40:18,823 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:40:18,823 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:40:18,824 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:40:18,828 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:40:18,828 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:40:18,828 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:40:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states. [2019-09-10 02:40:18,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-09-10 02:40:18,892 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:18,894 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:18,896 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:18,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:18,900 INFO L82 PathProgramCache]: Analyzing trace with hash 829188983, now seen corresponding path program 1 times [2019-09-10 02:40:18,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:18,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:18,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:18,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:18,946 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:19,477 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:19,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:19,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:40:19,480 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:19,486 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:19,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:19,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:19,500 INFO L87 Difference]: Start difference. First operand 602 states. Second operand 2 states. [2019-09-10 02:40:19,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:19,565 INFO L93 Difference]: Finished difference Result 554 states and 759 transitions. [2019-09-10 02:40:19,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:19,567 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 167 [2019-09-10 02:40:19,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:19,587 INFO L225 Difference]: With dead ends: 554 [2019-09-10 02:40:19,587 INFO L226 Difference]: Without dead ends: 545 [2019-09-10 02:40:19,589 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 02:40:19,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2019-09-10 02:40:19,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2019-09-10 02:40:19,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2019-09-10 02:40:19,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 748 transitions. [2019-09-10 02:40:19,687 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 748 transitions. Word has length 167 [2019-09-10 02:40:19,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:19,689 INFO L475 AbstractCegarLoop]: Abstraction has 545 states and 748 transitions. [2019-09-10 02:40:19,689 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:19,689 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 748 transitions. [2019-09-10 02:40:19,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-09-10 02:40:19,695 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:19,696 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:19,696 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:19,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:19,696 INFO L82 PathProgramCache]: Analyzing trace with hash -2103924692, now seen corresponding path program 1 times [2019-09-10 02:40:19,697 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:19,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:19,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:19,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:19,698 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:19,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:19,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:19,897 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:19,902 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:19,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:19,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:19,903 INFO L87 Difference]: Start difference. First operand 545 states and 748 transitions. Second operand 3 states. [2019-09-10 02:40:19,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:19,949 INFO L93 Difference]: Finished difference Result 548 states and 751 transitions. [2019-09-10 02:40:19,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:19,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-09-10 02:40:19,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:19,956 INFO L225 Difference]: With dead ends: 548 [2019-09-10 02:40:19,956 INFO L226 Difference]: Without dead ends: 548 [2019-09-10 02:40:19,957 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 02:40:19,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2019-09-10 02:40:19,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 547. [2019-09-10 02:40:19,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2019-09-10 02:40:19,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 750 transitions. [2019-09-10 02:40:19,986 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 750 transitions. Word has length 168 [2019-09-10 02:40:19,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:19,986 INFO L475 AbstractCegarLoop]: Abstraction has 547 states and 750 transitions. [2019-09-10 02:40:19,987 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 750 transitions. [2019-09-10 02:40:19,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-09-10 02:40:19,991 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:19,991 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:40:19,991 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:19,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:19,992 INFO L82 PathProgramCache]: Analyzing trace with hash 963448792, now seen corresponding path program 1 times [2019-09-10 02:40:19,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:19,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:19,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:19,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:19,993 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:20,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:20,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:20,200 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:20,201 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:20,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:20,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:20,201 INFO L87 Difference]: Start difference. First operand 547 states and 750 transitions. Second operand 3 states. [2019-09-10 02:40:20,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:20,232 INFO L93 Difference]: Finished difference Result 588 states and 820 transitions. [2019-09-10 02:40:20,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:20,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-09-10 02:40:20,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:20,244 INFO L225 Difference]: With dead ends: 588 [2019-09-10 02:40:20,244 INFO L226 Difference]: Without dead ends: 588 [2019-09-10 02:40:20,245 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 02:40:20,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2019-09-10 02:40:20,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 587. [2019-09-10 02:40:20,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2019-09-10 02:40:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 819 transitions. [2019-09-10 02:40:20,282 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 819 transitions. Word has length 174 [2019-09-10 02:40:20,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:20,282 INFO L475 AbstractCegarLoop]: Abstraction has 587 states and 819 transitions. [2019-09-10 02:40:20,283 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 819 transitions. [2019-09-10 02:40:20,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-09-10 02:40:20,289 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:20,290 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:40:20,290 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:20,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:20,290 INFO L82 PathProgramCache]: Analyzing trace with hash -938221087, now seen corresponding path program 1 times [2019-09-10 02:40:20,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:20,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:20,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:20,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:20,292 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:20,501 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-10 02:40:20,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:40:20,502 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:40:20,503 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2019-09-10 02:40:20,505 INFO L207 CegarAbsIntRunner]: [79], [82], [92], [103], [106], [116], [117], [146], [149], [150], [151], [153], [263], [265], [269], [272], [273], [274], [277], [283], [310], [317], [319], [322], [328], [331], [340], [361], [363], [364], [367], [377], [638], [640], [641], [642], [678], [681], [695], [734], [735], [736], [753], [755], [758], [762], [786], [790], [793], [801], [804], [862], [871], [875], [877], [879], [882], [889], [896], [899], [1035], [1037], [1054], [1183], [1237], [1259], [1270], [1273], [1274], [1277], [1280], [1311], [1312], [1314], [1316], [1323], [1329], [1331], [1400], [1403], [1409], [1444], [1447], [1461], [1467], [1470], [1479], [1673], [1675], [1677], [1679], [1680], [1708], [1718], [1719], [1720], [1721], [1722], [1723], [1726], [1727], [1728], [1729], [1730], [1732], [1733], [1734], [1735], [1746], [1747], [1748], [1758], [1759], [1804], [1805], [1818], [1824], [1825], [1830], [1831], [1832], [1833], [1834], [1835], [1836], [1837], [1838], [1840], [1841], [1842], [1843], [1886], [1888], [1889], [1906], [1908], [1909], [1910], [1912], [1913], [1914], [1915], [1916], [1917], [1918], [1919], [1924], [1926], [1927], [1928], [1948], [1949], [1950], [1951], [1952], [1953], [1954], [1955], [1956] [2019-09-10 02:40:20,586 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:40:20,590 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:40:20,731 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:40:20,733 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 219 root evaluator evaluations with a maximum evaluation depth of 0. Performed 219 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 378 variables. [2019-09-10 02:40:20,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:20,737 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:40:20,853 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:40:20,854 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:40:20,866 INFO L420 sIntCurrentIteration]: We unified 174 AI predicates to 174 [2019-09-10 02:40:20,866 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:40:20,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:40:20,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-10 02:40:20,867 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:20,868 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:20,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:20,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:20,869 INFO L87 Difference]: Start difference. First operand 587 states and 819 transitions. Second operand 2 states. [2019-09-10 02:40:20,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:20,869 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:40:20,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:20,870 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 175 [2019-09-10 02:40:20,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:20,870 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:40:20,870 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:40:20,871 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 174 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 02:40:20,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:40:20,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:40:20,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:40:20,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:40:20,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2019-09-10 02:40:20,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:20,872 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:40:20,872 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:20,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:40:20,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:40:20,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:40:20 BoogieIcfgContainer [2019-09-10 02:40:20,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:40:20,882 INFO L168 Benchmark]: Toolchain (without parser) took 5770.64 ms. Allocated memory was 133.7 MB in the beginning and 327.2 MB in the end (delta: 193.5 MB). Free memory was 86.9 MB in the beginning and 160.6 MB in the end (delta: -73.7 MB). Peak memory consumption was 119.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:20,883 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:40:20,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1196.26 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 86.7 MB in the beginning and 132.6 MB in the end (delta: -45.9 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:20,886 INFO L168 Benchmark]: Boogie Preprocessor took 202.31 ms. Allocated memory is still 201.9 MB. Free memory was 132.6 MB in the beginning and 123.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:20,887 INFO L168 Benchmark]: RCFGBuilder took 2235.32 ms. Allocated memory was 201.9 MB in the beginning and 262.7 MB in the end (delta: 60.8 MB). Free memory was 123.3 MB in the beginning and 150.8 MB in the end (delta: -27.5 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:20,889 INFO L168 Benchmark]: TraceAbstraction took 2132.56 ms. Allocated memory was 262.7 MB in the beginning and 327.2 MB in the end (delta: 64.5 MB). Free memory was 150.8 MB in the beginning and 160.6 MB in the end (delta: -9.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:20,898 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 133.7 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1196.26 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 86.7 MB in the beginning and 132.6 MB in the end (delta: -45.9 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 202.31 ms. Allocated memory is still 201.9 MB. Free memory was 132.6 MB in the beginning and 123.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2235.32 ms. Allocated memory was 201.9 MB in the beginning and 262.7 MB in the end (delta: 60.8 MB). Free memory was 123.3 MB in the beginning and 150.8 MB in the end (delta: -27.5 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2132.56 ms. Allocated memory was 262.7 MB in the beginning and 327.2 MB in the end (delta: 64.5 MB). Free memory was 150.8 MB in the beginning and 160.6 MB in the end (delta: -9.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1494]: 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 115 procedures, 803 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2265 SDtfs, 53 SDslu, 1485 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.3448275862068964 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 684 NumberOfCodeBlocks, 684 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 680 ConstructedInterpolants, 0 QuantifiedInterpolants, 120486 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 113/116 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...