/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:48:26,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:48:26,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:48:26,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:48:26,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:48:26,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:48:26,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:48:26,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:48:26,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:48:26,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:48:26,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:48:26,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:48:26,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:48:26,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:48:26,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:48:26,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:48:26,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:48:26,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:48:26,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:48:26,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:48:26,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:48:26,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:48:26,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:48:26,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:48:26,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:48:26,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:48:26,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:48:26,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:48:26,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:48:26,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:48:26,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:48:26,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:48:26,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:48:26,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:48:26,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:48:26,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:48:26,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:48:26,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:48:26,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:48:26,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:48:26,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:48:26,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 00:48:26,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:48:26,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:48:26,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:48:26,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:48:26,438 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:48:26,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:48:26,438 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:48:26,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:48:26,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:48:26,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:48:26,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:48:26,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:48:26,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:48:26,441 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:48:26,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:48:26,441 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:48:26,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:48:26,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:48:26,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:48:26,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:48:26,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:48:26,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:48:26,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:48:26,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:48:26,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:48:26,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:48:26,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:48:26,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:48:26,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 00:48:26,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:48:26,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:48:26,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:48:26,735 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:48:26,736 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:48:26,736 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product29.cil.c [2019-11-07 00:48:26,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24c0d750b/c4b6fedb51144e09946278e7b35e5f2f/FLAGb5fae9bd1 [2019-11-07 00:48:27,449 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:48:27,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product29.cil.c [2019-11-07 00:48:27,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24c0d750b/c4b6fedb51144e09946278e7b35e5f2f/FLAGb5fae9bd1 [2019-11-07 00:48:27,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24c0d750b/c4b6fedb51144e09946278e7b35e5f2f [2019-11-07 00:48:27,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:48:27,717 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:48:27,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:48:27,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:48:27,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:48:27,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:48:27" (1/1) ... [2019-11-07 00:48:27,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4449781e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:48:27, skipping insertion in model container [2019-11-07 00:48:27,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:48:27" (1/1) ... [2019-11-07 00:48:27,735 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:48:27,818 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:48:28,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:48:28,628 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:48:28,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:48:28,822 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:48:28,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:48:28 WrapperNode [2019-11-07 00:48:28,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:48:28,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:48:28,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:48:28,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:48:28,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:48:28" (1/1) ... [2019-11-07 00:48:28,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:48:28" (1/1) ... [2019-11-07 00:48:28,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:48:28" (1/1) ... [2019-11-07 00:48:28,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:48:28" (1/1) ... [2019-11-07 00:48:28,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:48:28" (1/1) ... [2019-11-07 00:48:28,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:48:28" (1/1) ... [2019-11-07 00:48:28,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:48:28" (1/1) ... [2019-11-07 00:48:28,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:48:28,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:48:28,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:48:28,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:48:28,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:48:28" (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 [2019-11-07 00:48:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:48:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:48:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 00:48:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 00:48:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 00:48:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 00:48:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 00:48:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 00:48:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 00:48:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 00:48:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 00:48:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 00:48:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 00:48:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 00:48:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 00:48:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 00:48:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 00:48:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 00:48:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 00:48:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 00:48:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 00:48:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 00:48:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 00:48:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 00:48:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 00:48:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 00:48:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 00:48:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 00:48:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 00:48:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 00:48:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 00:48:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 00:48:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-07 00:48:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-07 00:48:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 00:48:29,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 00:48:29,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 00:48:29,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 00:48:29,068 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 00:48:29,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 00:48:29,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 00:48:29,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 00:48:29,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 00:48:29,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 00:48:29,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 00:48:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 00:48:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 00:48:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 00:48:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:48:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 00:48:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 00:48:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 00:48:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 00:48:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 00:48:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 00:48:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 00:48:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 00:48:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 00:48:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 00:48:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 00:48:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 00:48:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 00:48:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 00:48:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 00:48:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 00:48:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 00:48:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 00:48:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 00:48:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 00:48:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 00:48:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 00:48:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 00:48:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 00:48:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 00:48:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 00:48:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 00:48:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 00:48:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 00:48:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 00:48:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 00:48:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 00:48:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 00:48:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 00:48:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 00:48:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 00:48:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 00:48:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 00:48:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 00:48:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 00:48:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 00:48:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 00:48:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 00:48:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 00:48:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-07 00:48:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 00:48:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 00:48:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 00:48:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-07 00:48:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-07 00:48:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 00:48:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 00:48:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 00:48:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 00:48:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 00:48:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 00:48:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 00:48:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 00:48:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 00:48:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 00:48:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 00:48:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 00:48:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 00:48:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 00:48:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 00:48:29,081 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 00:48:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:48:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:48:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 00:48:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 00:48:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 00:48:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 00:48:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 00:48:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 00:48:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 00:48:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 00:48:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 00:48:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 00:48:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 00:48:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 00:48:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 00:48:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 00:48:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 00:48:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 00:48:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 00:48:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 00:48:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 00:48:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 00:48:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 00:48:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 00:48:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:48:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:48:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 00:48:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:48:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:48:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:48:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:48:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 00:48:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:48:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 00:48:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 00:48:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:48:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 00:48:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 00:48:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:48:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 00:48:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 00:48:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 00:48:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 00:48:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 00:48:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 00:48:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 00:48:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 00:48:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 00:48:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 00:48:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 00:48:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 00:48:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 00:48:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 00:48:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 00:48:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 00:48:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 00:48:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-07 00:48:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-07 00:48:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 00:48:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 00:48:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 00:48:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 00:48:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 00:48:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 00:48:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 00:48:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 00:48:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 00:48:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 00:48:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 00:48:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 00:48:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 00:48:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 00:48:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 00:48:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 00:48:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 00:48:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 00:48:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 00:48:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 00:48:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 00:48:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 00:48:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 00:48:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 00:48:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 00:48:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 00:48:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:48:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 00:48:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 00:48:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 00:48:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 00:48:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 00:48:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 00:48:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 00:48:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 00:48:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 00:48:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 00:48:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 00:48:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 00:48:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 00:48:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 00:48:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 00:48:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 00:48:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 00:48:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 00:48:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 00:48:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 00:48:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 00:48:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 00:48:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 00:48:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 00:48:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 00:48:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 00:48:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-07 00:48:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 00:48:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 00:48:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 00:48:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 00:48:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 00:48:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 00:48:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 00:48:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 00:48:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 00:48:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 00:48:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 00:48:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-07 00:48:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-07 00:48:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 00:48:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 00:48:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:48:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:48:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:48:31,296 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:48:31,296 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 00:48:31,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:48:31 BoogieIcfgContainer [2019-11-07 00:48:31,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:48:31,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:48:31,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:48:31,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:48:31,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:48:27" (1/3) ... [2019-11-07 00:48:31,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e494e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:48:31, skipping insertion in model container [2019-11-07 00:48:31,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:48:28" (2/3) ... [2019-11-07 00:48:31,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e494e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:48:31, skipping insertion in model container [2019-11-07 00:48:31,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:48:31" (3/3) ... [2019-11-07 00:48:31,307 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product29.cil.c [2019-11-07 00:48:31,316 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:48:31,327 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:48:31,339 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:48:31,378 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:48:31,379 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:48:31,379 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:48:31,380 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:48:31,383 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:48:31,383 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:48:31,383 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:48:31,383 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:48:31,420 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states. [2019-11-07 00:48:31,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-07 00:48:31,461 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:48:31,462 INFO L410 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] [2019-11-07 00:48:31,464 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:48:31,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:48:31,472 INFO L82 PathProgramCache]: Analyzing trace with hash 829188983, now seen corresponding path program 1 times [2019-11-07 00:48:31,480 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:48:31,481 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709781889] [2019-11-07 00:48:31,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:48:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:48:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-07 00:48:32,084 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709781889] [2019-11-07 00:48:32,084 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:48:32,085 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 00:48:32,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533911847] [2019-11-07 00:48:32,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 00:48:32,095 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:48:32,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 00:48:32,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 00:48:32,112 INFO L87 Difference]: Start difference. First operand 602 states. Second operand 2 states. [2019-11-07 00:48:32,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:48:32,216 INFO L93 Difference]: Finished difference Result 845 states and 1153 transitions. [2019-11-07 00:48:32,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 00:48:32,221 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 167 [2019-11-07 00:48:32,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:48:32,259 INFO L225 Difference]: With dead ends: 845 [2019-11-07 00:48:32,260 INFO L226 Difference]: Without dead ends: 545 [2019-11-07 00:48:32,271 INFO L630 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 [2019-11-07 00:48:32,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2019-11-07 00:48:32,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2019-11-07 00:48:32,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2019-11-07 00:48:32,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 748 transitions. [2019-11-07 00:48:32,397 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 748 transitions. Word has length 167 [2019-11-07 00:48:32,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:48:32,399 INFO L462 AbstractCegarLoop]: Abstraction has 545 states and 748 transitions. [2019-11-07 00:48:32,399 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 00:48:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 748 transitions. [2019-11-07 00:48:32,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-07 00:48:32,406 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:48:32,406 INFO L410 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] [2019-11-07 00:48:32,407 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:48:32,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:48:32,407 INFO L82 PathProgramCache]: Analyzing trace with hash -2103924692, now seen corresponding path program 1 times [2019-11-07 00:48:32,407 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:48:32,407 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481494629] [2019-11-07 00:48:32,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:48:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:48:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-07 00:48:32,648 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481494629] [2019-11-07 00:48:32,649 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:48:32,649 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:48:32,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968012967] [2019-11-07 00:48:32,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:48:32,652 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:48:32,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:48:32,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:48:32,652 INFO L87 Difference]: Start difference. First operand 545 states and 748 transitions. Second operand 3 states. [2019-11-07 00:48:32,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:48:32,704 INFO L93 Difference]: Finished difference Result 828 states and 1118 transitions. [2019-11-07 00:48:32,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:48:32,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-11-07 00:48:32,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:48:32,709 INFO L225 Difference]: With dead ends: 828 [2019-11-07 00:48:32,709 INFO L226 Difference]: Without dead ends: 548 [2019-11-07 00:48:32,711 INFO L630 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 [2019-11-07 00:48:32,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2019-11-07 00:48:32,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 547. [2019-11-07 00:48:32,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2019-11-07 00:48:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 750 transitions. [2019-11-07 00:48:32,786 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 750 transitions. Word has length 168 [2019-11-07 00:48:32,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:48:32,787 INFO L462 AbstractCegarLoop]: Abstraction has 547 states and 750 transitions. [2019-11-07 00:48:32,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:48:32,787 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 750 transitions. [2019-11-07 00:48:32,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-07 00:48:32,793 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:48:32,793 INFO L410 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] [2019-11-07 00:48:32,793 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:48:32,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:48:32,794 INFO L82 PathProgramCache]: Analyzing trace with hash 963448792, now seen corresponding path program 1 times [2019-11-07 00:48:32,794 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:48:32,794 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199668799] [2019-11-07 00:48:32,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:48:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:48:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-07 00:48:33,034 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199668799] [2019-11-07 00:48:33,035 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:48:33,035 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:48:33,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043217168] [2019-11-07 00:48:33,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:48:33,038 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:48:33,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:48:33,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:48:33,039 INFO L87 Difference]: Start difference. First operand 547 states and 750 transitions. Second operand 3 states. [2019-11-07 00:48:33,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:48:33,090 INFO L93 Difference]: Finished difference Result 1070 states and 1498 transitions. [2019-11-07 00:48:33,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:48:33,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-11-07 00:48:33,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:48:33,096 INFO L225 Difference]: With dead ends: 1070 [2019-11-07 00:48:33,096 INFO L226 Difference]: Without dead ends: 588 [2019-11-07 00:48:33,098 INFO L630 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 [2019-11-07 00:48:33,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2019-11-07 00:48:33,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 587. [2019-11-07 00:48:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2019-11-07 00:48:33,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 819 transitions. [2019-11-07 00:48:33,122 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 819 transitions. Word has length 174 [2019-11-07 00:48:33,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:48:33,123 INFO L462 AbstractCegarLoop]: Abstraction has 587 states and 819 transitions. [2019-11-07 00:48:33,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:48:33,123 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 819 transitions. [2019-11-07 00:48:33,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-07 00:48:33,127 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:48:33,128 INFO L410 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] [2019-11-07 00:48:33,128 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:48:33,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:48:33,129 INFO L82 PathProgramCache]: Analyzing trace with hash -938221087, now seen corresponding path program 1 times [2019-11-07 00:48:33,129 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:48:33,129 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537413105] [2019-11-07 00:48:33,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:48:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:48:34,388 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 00:48:34,389 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537413105] [2019-11-07 00:48:34,389 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:48:34,389 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2019-11-07 00:48:34,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61459311] [2019-11-07 00:48:34,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-11-07 00:48:34,390 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:48:34,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-11-07 00:48:34,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1400, Unknown=0, NotChecked=0, Total=1482 [2019-11-07 00:48:34,392 INFO L87 Difference]: Start difference. First operand 587 states and 819 transitions. Second operand 39 states. [2019-11-07 00:48:43,835 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34