/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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec27_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:18:57,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:18:57,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:18:57,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:18:57,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:18:57,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:18:57,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:18:57,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:18:57,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:18:57,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:18:57,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:18:57,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:18:57,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:18:57,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:18:57,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:18:57,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:18:57,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:18:57,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:18:57,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:18:57,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:18:57,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:18:57,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:18:57,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:18:57,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:18:57,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:18:57,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:18:57,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:18:57,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:18:57,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:18:57,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:18:57,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:18:57,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:18:57,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:18:57,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:18:57,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:18:57,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:18:57,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:18:57,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:18:57,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:18:57,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:18:57,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:18:57,119 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 04:18:57,144 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:18:57,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:18:57,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:18:57,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:18:57,146 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:18:57,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:18:57,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:18:57,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:18:57,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:18:57,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:18:57,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:18:57,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:18:57,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:18:57,149 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:18:57,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:18:57,149 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:18:57,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:18:57,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:18:57,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:18:57,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:18:57,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:18:57,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:18:57,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:18:57,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:18:57,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:18:57,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:18:57,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:18:57,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:18:57,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:18:57,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:18:57,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:18:57,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:18:57,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:18:57,495 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:18:57,496 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product29.cil.c [2019-11-07 04:18:57,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6c990a8/a1472e03f49443d49908ce9ebc181443/FLAG324d8dc8b [2019-11-07 04:18:58,172 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:18:58,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product29.cil.c [2019-11-07 04:18:58,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6c990a8/a1472e03f49443d49908ce9ebc181443/FLAG324d8dc8b [2019-11-07 04:18:58,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6c990a8/a1472e03f49443d49908ce9ebc181443 [2019-11-07 04:18:58,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:18:58,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:18:58,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:18:58,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:18:58,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:18:58,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:18:58" (1/1) ... [2019-11-07 04:18:58,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3c5c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:58, skipping insertion in model container [2019-11-07 04:18:58,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:18:58" (1/1) ... [2019-11-07 04:18:58,447 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:18:58,533 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:18:59,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:18:59,371 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:18:59,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:18:59,654 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:18:59,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:59 WrapperNode [2019-11-07 04:18:59,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:18:59,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:18:59,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:18:59,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:18:59,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:59" (1/1) ... [2019-11-07 04:18:59,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:59" (1/1) ... [2019-11-07 04:18:59,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:59" (1/1) ... [2019-11-07 04:18:59,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:59" (1/1) ... [2019-11-07 04:18:59,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:59" (1/1) ... [2019-11-07 04:18:59,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:59" (1/1) ... [2019-11-07 04:18:59,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:59" (1/1) ... [2019-11-07 04:18:59,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:18:59,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:18:59,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:18:59,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:18:59,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:59" (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 04:18:59,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:18:59,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:18:59,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:18:59,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:18:59,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:18:59,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:18:59,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:18:59,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:18:59,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:18:59,980 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:18:59,980 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:18:59,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:18:59,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:18:59,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:18:59,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:18:59,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:18:59,983 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:18:59,984 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:18:59,984 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:18:59,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:18:59,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:18:59,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:18:59,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:18:59,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:18:59,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:18:59,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:18:59,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:18:59,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:18:59,987 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:18:59,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:18:59,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:18:59,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:18:59,988 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:18:59,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:18:59,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:18:59,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:18:59,989 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:18:59,989 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:18:59,989 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:18:59,989 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:18:59,989 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:18:59,989 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:18:59,990 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:18:59,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:18:59,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:18:59,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-07 04:18:59,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-07 04:18:59,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:18:59,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:18:59,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:18:59,991 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:18:59,991 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:18:59,991 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:18:59,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:18:59,992 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:18:59,992 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-07 04:18:59,992 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-07 04:18:59,992 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:18:59,993 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:18:59,993 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:18:59,993 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:18:59,993 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:18:59,994 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:18:59,994 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:18:59,994 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:18:59,994 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:18:59,994 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:18:59,994 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:18:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:18:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:18:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:18:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:18:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:18:59,996 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:18:59,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:18:59,996 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:18:59,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:18:59,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:18:59,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:18:59,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:18:59,999 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:18:59,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:18:59,999 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:18:59,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:18:59,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:18:59,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:19:00,000 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:19:00,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:19:00,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:19:00,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:19:00,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:19:00,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:19:00,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:19:00,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:19:00,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:19:00,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:19:00,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:19:00,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:19:00,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:19:00,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:19:00,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:19:00,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:19:00,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:19:00,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:19:00,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:19:00,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:19:00,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:19:00,004 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:19:00,004 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:19:00,004 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:19:00,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:19:00,004 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:19:00,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:19:00,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:19:00,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-11-07 04:19:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:19:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:19:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:19:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:19:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:19:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:19:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:19:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:19:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:19:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:19:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:19:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:19:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:19:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:19:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:19:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:19:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:19:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:19:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:19:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:19:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:19:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:19:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:19:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:19:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:19:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:19:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:19:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:19:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:19:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:19:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:19:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:19:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:19:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:19:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:19:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:19:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:19:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:19:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:19:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:19:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:19:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:19:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:19:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:19:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:19:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:19:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:19:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:19:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:19:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:19:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:19:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:19:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:19:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:19:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:19:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:19:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:19:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:19:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:19:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:19:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:19:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:19:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:19:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:19:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:19:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:19:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:19:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:19:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:19:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:19:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-07 04:19:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-07 04:19:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:19:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:19:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:19:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:19:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:19:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:19:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:19:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:19:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:19:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:19:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:19:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:19:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:19:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:19:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:19:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:19:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:19:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:19:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:19:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:19:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:19:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:19:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:19:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:19:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:19:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:19:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:19:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:19:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:19:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:19:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:19:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:19:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:19:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-07 04:19:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-07 04:19:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-11-07 04:19:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:19:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:19:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:19:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:19:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:19:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:19:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:19:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:19:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:19:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:19:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:19:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:19:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:19:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:19:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:19:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:19:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:19:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:19:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:19:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:19:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:19:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:19:04,414 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:19:04,414 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:19:04,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:19:04 BoogieIcfgContainer [2019-11-07 04:19:04,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:19:04,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:19:04,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:19:04,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:19:04,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:18:58" (1/3) ... [2019-11-07 04:19:04,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247ed4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:19:04, skipping insertion in model container [2019-11-07 04:19:04,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:59" (2/3) ... [2019-11-07 04:19:04,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247ed4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:19:04, skipping insertion in model container [2019-11-07 04:19:04,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:19:04" (3/3) ... [2019-11-07 04:19:04,424 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product29.cil.c [2019-11-07 04:19:04,434 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:19:04,446 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:19:04,459 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:19:04,512 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:19:04,512 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:19:04,512 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:19:04,513 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:19:04,513 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:19:04,513 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:19:04,513 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:19:04,513 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:19:04,550 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states. [2019-11-07 04:19:04,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-07 04:19:04,571 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:04,573 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:04,575 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:04,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:04,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1436002959, now seen corresponding path program 1 times [2019-11-07 04:19:04,589 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:04,589 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571688803] [2019-11-07 04:19:04,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:19:05,331 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571688803] [2019-11-07 04:19:05,331 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:05,332 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:19:05,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714907614] [2019-11-07 04:19:05,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:19:05,341 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:05,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:19:05,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:19:05,362 INFO L87 Difference]: Start difference. First operand 420 states. Second operand 2 states. [2019-11-07 04:19:05,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:05,488 INFO L93 Difference]: Finished difference Result 591 states and 711 transitions. [2019-11-07 04:19:05,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:19:05,491 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 172 [2019-11-07 04:19:05,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:05,532 INFO L225 Difference]: With dead ends: 591 [2019-11-07 04:19:05,532 INFO L226 Difference]: Without dead ends: 374 [2019-11-07 04:19:05,543 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 04:19:05,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2019-11-07 04:19:05,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2019-11-07 04:19:05,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-11-07 04:19:05,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 444 transitions. [2019-11-07 04:19:05,674 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 444 transitions. Word has length 172 [2019-11-07 04:19:05,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:05,676 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 444 transitions. [2019-11-07 04:19:05,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:19:05,677 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 444 transitions. [2019-11-07 04:19:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-07 04:19:05,689 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:05,689 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:05,689 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:05,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:05,690 INFO L82 PathProgramCache]: Analyzing trace with hash 89763548, now seen corresponding path program 1 times [2019-11-07 04:19:05,690 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:05,690 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494341973] [2019-11-07 04:19:05,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:19:06,030 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494341973] [2019-11-07 04:19:06,030 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:06,030 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:19:06,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022979061] [2019-11-07 04:19:06,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:19:06,034 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:06,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:19:06,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:06,034 INFO L87 Difference]: Start difference. First operand 374 states and 444 transitions. Second operand 3 states. [2019-11-07 04:19:06,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:06,084 INFO L93 Difference]: Finished difference Result 576 states and 675 transitions. [2019-11-07 04:19:06,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:19:06,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-11-07 04:19:06,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:06,098 INFO L225 Difference]: With dead ends: 576 [2019-11-07 04:19:06,098 INFO L226 Difference]: Without dead ends: 376 [2019-11-07 04:19:06,103 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 04:19:06,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-11-07 04:19:06,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2019-11-07 04:19:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2019-11-07 04:19:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 446 transitions. [2019-11-07 04:19:06,151 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 446 transitions. Word has length 173 [2019-11-07 04:19:06,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:06,151 INFO L462 AbstractCegarLoop]: Abstraction has 376 states and 446 transitions. [2019-11-07 04:19:06,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:19:06,151 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 446 transitions. [2019-11-07 04:19:06,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-07 04:19:06,156 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:06,156 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:06,157 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:06,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:06,157 INFO L82 PathProgramCache]: Analyzing trace with hash -494706049, now seen corresponding path program 1 times [2019-11-07 04:19:06,157 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:06,157 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363793172] [2019-11-07 04:19:06,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:19:06,448 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363793172] [2019-11-07 04:19:06,448 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:06,448 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:19:06,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032335146] [2019-11-07 04:19:06,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:19:06,449 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:06,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:19:06,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:06,450 INFO L87 Difference]: Start difference. First operand 376 states and 446 transitions. Second operand 3 states. [2019-11-07 04:19:06,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:06,496 INFO L93 Difference]: Finished difference Result 734 states and 899 transitions. [2019-11-07 04:19:06,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:19:06,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-11-07 04:19:06,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:06,504 INFO L225 Difference]: With dead ends: 734 [2019-11-07 04:19:06,505 INFO L226 Difference]: Without dead ends: 416 [2019-11-07 04:19:06,507 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 04:19:06,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2019-11-07 04:19:06,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 415. [2019-11-07 04:19:06,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2019-11-07 04:19:06,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 514 transitions. [2019-11-07 04:19:06,538 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 514 transitions. Word has length 178 [2019-11-07 04:19:06,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:06,539 INFO L462 AbstractCegarLoop]: Abstraction has 415 states and 514 transitions. [2019-11-07 04:19:06,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:19:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 514 transitions. [2019-11-07 04:19:06,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-07 04:19:06,545 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:06,545 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:06,545 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:06,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:06,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1430160923, now seen corresponding path program 1 times [2019-11-07 04:19:06,546 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:06,546 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028441855] [2019-11-07 04:19:06,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:07,459 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:19:07,460 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028441855] [2019-11-07 04:19:07,460 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:07,460 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-11-07 04:19:07,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484156211] [2019-11-07 04:19:07,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-07 04:19:07,461 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:07,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-07 04:19:07,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2019-11-07 04:19:07,464 INFO L87 Difference]: Start difference. First operand 415 states and 514 transitions. Second operand 28 states. [2019-11-07 04:19:17,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:17,186 INFO L93 Difference]: Finished difference Result 898 states and 1120 transitions. [2019-11-07 04:19:17,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-11-07 04:19:17,191 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 179 [2019-11-07 04:19:17,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:17,197 INFO L225 Difference]: With dead ends: 898 [2019-11-07 04:19:17,197 INFO L226 Difference]: Without dead ends: 706 [2019-11-07 04:19:17,199 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=178, Invalid=2078, Unknown=0, NotChecked=0, Total=2256 [2019-11-07 04:19:17,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2019-11-07 04:19:17,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 677. [2019-11-07 04:19:17,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2019-11-07 04:19:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 844 transitions. [2019-11-07 04:19:17,236 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 844 transitions. Word has length 179 [2019-11-07 04:19:17,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:17,237 INFO L462 AbstractCegarLoop]: Abstraction has 677 states and 844 transitions. [2019-11-07 04:19:17,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-07 04:19:17,237 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 844 transitions. [2019-11-07 04:19:17,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-07 04:19:17,241 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:17,241 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:17,242 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:17,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:17,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1590483871, now seen corresponding path program 1 times [2019-11-07 04:19:17,243 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:17,243 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414333835] [2019-11-07 04:19:17,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:17,469 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:19:17,470 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414333835] [2019-11-07 04:19:17,470 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:17,471 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 04:19:17,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349220872] [2019-11-07 04:19:17,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 04:19:17,601 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:17,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 04:19:17,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:19:17,601 INFO L87 Difference]: Start difference. First operand 677 states and 844 transitions. Second operand 10 states. [2019-11-07 04:19:17,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:17,693 INFO L93 Difference]: Finished difference Result 1131 states and 1422 transitions. [2019-11-07 04:19:17,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:19:17,694 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 183 [2019-11-07 04:19:17,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:17,705 INFO L225 Difference]: With dead ends: 1131 [2019-11-07 04:19:17,705 INFO L226 Difference]: Without dead ends: 697 [2019-11-07 04:19:17,708 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:19:17,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2019-11-07 04:19:17,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 681. [2019-11-07 04:19:17,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 681 states. [2019-11-07 04:19:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 847 transitions. [2019-11-07 04:19:17,764 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 847 transitions. Word has length 183 [2019-11-07 04:19:17,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:17,767 INFO L462 AbstractCegarLoop]: Abstraction has 681 states and 847 transitions. [2019-11-07 04:19:17,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 04:19:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 847 transitions. [2019-11-07 04:19:17,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-07 04:19:17,774 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:17,774 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:17,775 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:17,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:17,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1833101563, now seen corresponding path program 1 times [2019-11-07 04:19:17,776 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:17,776 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519528030] [2019-11-07 04:19:17,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:19:18,767 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519528030] [2019-11-07 04:19:18,768 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:18,768 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2019-11-07 04:19:18,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422432142] [2019-11-07 04:19:18,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-11-07 04:19:18,769 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:18,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-11-07 04:19:18,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2019-11-07 04:19:18,770 INFO L87 Difference]: Start difference. First operand 681 states and 847 transitions. Second operand 31 states. [2019-11-07 04:19:32,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:32,623 INFO L93 Difference]: Finished difference Result 1693 states and 2128 transitions. [2019-11-07 04:19:32,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-11-07 04:19:32,626 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 185 [2019-11-07 04:19:32,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:32,634 INFO L225 Difference]: With dead ends: 1693 [2019-11-07 04:19:32,635 INFO L226 Difference]: Without dead ends: 1251 [2019-11-07 04:19:32,640 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=295, Invalid=3487, Unknown=0, NotChecked=0, Total=3782 [2019-11-07 04:19:32,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2019-11-07 04:19:32,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1231. [2019-11-07 04:19:32,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1231 states. [2019-11-07 04:19:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1552 transitions. [2019-11-07 04:19:32,707 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1552 transitions. Word has length 185 [2019-11-07 04:19:32,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:32,708 INFO L462 AbstractCegarLoop]: Abstraction has 1231 states and 1552 transitions. [2019-11-07 04:19:32,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-11-07 04:19:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1552 transitions. [2019-11-07 04:19:32,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-11-07 04:19:32,712 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:32,713 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:19:32,713 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:32,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:32,713 INFO L82 PathProgramCache]: Analyzing trace with hash 88231048, now seen corresponding path program 1 times [2019-11-07 04:19:32,714 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:32,714 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014861239] [2019-11-07 04:19:32,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:33,367 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 04:19:33,367 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014861239] [2019-11-07 04:19:33,368 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:33,368 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-11-07 04:19:33,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346515258] [2019-11-07 04:19:33,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-11-07 04:19:33,369 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:33,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-11-07 04:19:33,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2019-11-07 04:19:33,370 INFO L87 Difference]: Start difference. First operand 1231 states and 1552 transitions. Second operand 27 states.