/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_spec4_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:22:09,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:22:09,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:22:10,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:22:10,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:22:10,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:22:10,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:22:10,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:22:10,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:22:10,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:22:10,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:22:10,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:22:10,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:22:10,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:22:10,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:22:10,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:22:10,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:22:10,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:22:10,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:22:10,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:22:10,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:22:10,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:22:10,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:22:10,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:22:10,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:22:10,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:22:10,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:22:10,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:22:10,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:22:10,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:22:10,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:22:10,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:22:10,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:22:10,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:22:10,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:22:10,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:22:10,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:22:10,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:22:10,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:22:10,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:22:10,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:22:10,068 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 04:22:10,091 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:22:10,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:22:10,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:22:10,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:22:10,093 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:22:10,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:22:10,094 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:22:10,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:22:10,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:22:10,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:22:10,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:22:10,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:22:10,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:22:10,096 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:22:10,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:22:10,097 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:22:10,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:22:10,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:22:10,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:22:10,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:22:10,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:22:10,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:22:10,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:22:10,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:22:10,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:22:10,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:22:10,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:22:10,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:22:10,100 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 04:22:10,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:22:10,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:22:10,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:22:10,455 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:22:10,455 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:22:10,456 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product30.cil.c [2019-11-07 04:22:10,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae70717ef/85f3b41591114ca392f03c19ca41eddb/FLAG58d129d3b [2019-11-07 04:22:11,121 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:22:11,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product30.cil.c [2019-11-07 04:22:11,161 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae70717ef/85f3b41591114ca392f03c19ca41eddb/FLAG58d129d3b [2019-11-07 04:22:11,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae70717ef/85f3b41591114ca392f03c19ca41eddb [2019-11-07 04:22:11,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:22:11,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:22:11,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:22:11,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:22:11,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:22:11,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:22:11" (1/1) ... [2019-11-07 04:22:11,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3210214f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:11, skipping insertion in model container [2019-11-07 04:22:11,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:22:11" (1/1) ... [2019-11-07 04:22:11,440 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:22:11,592 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:22:12,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:22:12,492 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:22:12,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:22:12,773 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:22:12,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:12 WrapperNode [2019-11-07 04:22:12,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:22:12,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:22:12,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:22:12,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:22:12,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:12" (1/1) ... [2019-11-07 04:22:12,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:12" (1/1) ... [2019-11-07 04:22:12,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:12" (1/1) ... [2019-11-07 04:22:12,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:12" (1/1) ... [2019-11-07 04:22:12,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:12" (1/1) ... [2019-11-07 04:22:12,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:12" (1/1) ... [2019-11-07 04:22:12,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:12" (1/1) ... [2019-11-07 04:22:12,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:22:12,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:22:12,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:22:12,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:22:12,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:12" (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 04:22:13,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:22:13,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:22:13,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:22:13,033 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:22:13,033 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:22:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:22:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:22:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:22:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:22:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:22:13,036 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:22:13,036 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:22:13,037 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:22:13,037 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-11-07 04:22:13,037 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:22:13,037 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:22:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:22:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:22:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:22:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:22:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:22:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:22:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:22:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:22:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:22:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:22:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:22:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:22:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:22:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-11-07 04:22:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-07 04:22:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:22:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:22:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:22:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:22:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:22:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:22:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:22:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:22:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:22:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:22:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:22:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:22:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:22:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:22:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:22:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:22:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:22:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:22:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:22:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:22:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:22:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:22:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:22:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:22:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:22:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:22:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:22:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:22:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:22:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:22:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:22:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:22:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:22:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:22:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:22:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:22:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:22:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:22:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:22:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:22:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:22:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:22:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:22:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:22:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:22:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:22:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:22:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:22:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:22:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:22:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:22:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:22:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:22:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:22:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:22:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:22:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:22:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:22:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:22:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:22:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:22:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:22:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:22:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:22:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:22:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:22:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:22:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:22:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:22:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:22:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:22:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:22:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:22:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:22:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:22:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:22:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:22:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:22:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:22:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:22:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:22:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-11-07 04:22:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:22:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:22:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:22:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:22:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:22:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:22:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:22:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:22:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:22:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:22:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:22:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:22:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:22:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:22:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:22:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:22:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:22:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:22:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:22:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:22:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:22:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:22:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:22:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:22:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:22:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:22:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:22:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:22:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:22:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:22:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:22:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:22:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:22:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:22:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:22:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:22:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:22:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:22:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:22:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:22:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:22:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:22:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:22:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:22:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:22:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:22:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:22:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:22:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-11-07 04:22:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:22:13,091 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:22:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-11-07 04:22:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:22:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:22:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:22:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:22:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:22:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:22:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:22:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-11-07 04:22:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-07 04:22:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:22:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:22:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:22:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:22:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:22:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:22:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:22:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:22:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:22:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:22:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:22:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:22:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:22:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:22:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:22:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:22:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:22:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:22:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:22:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:22:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:22:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:22:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:22:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:22:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:22:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:22:13,099 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:22:13,099 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:22:13,099 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:22:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:22:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:22:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:22:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:22:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:22:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:22:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:22:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:22:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:22:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:22:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:22:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:22:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:22:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:22:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:22:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:22:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:22:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:22:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:22:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:22:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:22:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:22:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:22:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:22:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:22:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:22:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:22:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:22:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:22:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:22:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:22:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:22:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:22:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:22:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:22:18,104 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:22:18,105 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:22:18,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:22:18 BoogieIcfgContainer [2019-11-07 04:22:18,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:22:18,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:22:18,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:22:18,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:22:18,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:22:11" (1/3) ... [2019-11-07 04:22:18,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12baf0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:22:18, skipping insertion in model container [2019-11-07 04:22:18,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:12" (2/3) ... [2019-11-07 04:22:18,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12baf0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:22:18, skipping insertion in model container [2019-11-07 04:22:18,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:22:18" (3/3) ... [2019-11-07 04:22:18,116 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product30.cil.c [2019-11-07 04:22:18,126 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:22:18,136 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:22:18,148 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:22:18,177 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:22:18,178 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:22:18,178 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:22:18,178 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:22:18,178 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:22:18,178 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:22:18,179 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:22:18,179 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:22:18,207 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states. [2019-11-07 04:22:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-07 04:22:18,223 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:22:18,225 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-07 04:22:18,227 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:22:18,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:22:18,234 INFO L82 PathProgramCache]: Analyzing trace with hash 35129417, now seen corresponding path program 1 times [2019-11-07 04:22:18,299 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:22:18,300 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740568050] [2019-11-07 04:22:18,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:22:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:22:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:22:18,938 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740568050] [2019-11-07 04:22:18,940 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:22:18,940 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:22:18,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30958024] [2019-11-07 04:22:18,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:22:18,950 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:22:18,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:22:18,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:22:18,968 INFO L87 Difference]: Start difference. First operand 399 states. Second operand 2 states. [2019-11-07 04:22:19,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:22:19,032 INFO L93 Difference]: Finished difference Result 564 states and 668 transitions. [2019-11-07 04:22:19,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:22:19,033 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 129 [2019-11-07 04:22:19,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:22:19,051 INFO L225 Difference]: With dead ends: 564 [2019-11-07 04:22:19,051 INFO L226 Difference]: Without dead ends: 357 [2019-11-07 04:22:19,056 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 04:22:19,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2019-11-07 04:22:19,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2019-11-07 04:22:19,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2019-11-07 04:22:19,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 422 transitions. [2019-11-07 04:22:19,142 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 422 transitions. Word has length 129 [2019-11-07 04:22:19,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:22:19,144 INFO L462 AbstractCegarLoop]: Abstraction has 357 states and 422 transitions. [2019-11-07 04:22:19,144 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:22:19,145 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 422 transitions. [2019-11-07 04:22:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-07 04:22:19,153 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:22:19,153 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-07 04:22:19,153 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:22:19,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:22:19,154 INFO L82 PathProgramCache]: Analyzing trace with hash 732439400, now seen corresponding path program 1 times [2019-11-07 04:22:19,154 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:22:19,154 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284739050] [2019-11-07 04:22:19,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:22:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:22:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:22:19,419 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284739050] [2019-11-07 04:22:19,419 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:22:19,419 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:22:19,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793445674] [2019-11-07 04:22:19,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:22:19,425 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:22:19,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:22:19,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:22:19,426 INFO L87 Difference]: Start difference. First operand 357 states and 422 transitions. Second operand 3 states. [2019-11-07 04:22:19,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:22:19,503 INFO L93 Difference]: Finished difference Result 549 states and 639 transitions. [2019-11-07 04:22:19,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:22:19,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2019-11-07 04:22:19,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:22:19,515 INFO L225 Difference]: With dead ends: 549 [2019-11-07 04:22:19,515 INFO L226 Difference]: Without dead ends: 359 [2019-11-07 04:22:19,518 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 04:22:19,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2019-11-07 04:22:19,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2019-11-07 04:22:19,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-11-07 04:22:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 424 transitions. [2019-11-07 04:22:19,555 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 424 transitions. Word has length 130 [2019-11-07 04:22:19,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:22:19,556 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 424 transitions. [2019-11-07 04:22:19,556 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:22:19,556 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 424 transitions. [2019-11-07 04:22:19,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-07 04:22:19,559 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:22:19,559 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 04:22:19,560 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:22:19,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:22:19,560 INFO L82 PathProgramCache]: Analyzing trace with hash -368302633, now seen corresponding path program 1 times [2019-11-07 04:22:19,560 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:22:19,563 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048827585] [2019-11-07 04:22:19,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:22:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:22:19,877 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:22:19,878 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048827585] [2019-11-07 04:22:19,878 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:22:19,878 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:22:19,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244409611] [2019-11-07 04:22:19,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:22:19,879 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:22:19,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:22:19,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:22:19,880 INFO L87 Difference]: Start difference. First operand 359 states and 424 transitions. Second operand 3 states. [2019-11-07 04:22:19,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:22:19,912 INFO L93 Difference]: Finished difference Result 700 states and 855 transitions. [2019-11-07 04:22:19,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:22:19,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-11-07 04:22:19,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:22:19,916 INFO L225 Difference]: With dead ends: 700 [2019-11-07 04:22:19,917 INFO L226 Difference]: Without dead ends: 399 [2019-11-07 04:22:19,919 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 04:22:19,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-11-07 04:22:19,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 398. [2019-11-07 04:22:19,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-11-07 04:22:19,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 492 transitions. [2019-11-07 04:22:19,968 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 492 transitions. Word has length 139 [2019-11-07 04:22:19,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:22:19,969 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 492 transitions. [2019-11-07 04:22:19,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:22:19,970 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 492 transitions. [2019-11-07 04:22:19,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-07 04:22:19,980 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:22:19,980 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 04:22:19,981 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:22:19,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:22:19,981 INFO L82 PathProgramCache]: Analyzing trace with hash -979026137, now seen corresponding path program 1 times [2019-11-07 04:22:19,981 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:22:19,982 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308521822] [2019-11-07 04:22:19,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:22:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:22:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:22:20,165 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308521822] [2019-11-07 04:22:20,166 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:22:20,166 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:22:20,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402443728] [2019-11-07 04:22:20,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:22:20,168 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:22:20,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:22:20,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:22:20,171 INFO L87 Difference]: Start difference. First operand 398 states and 492 transitions. Second operand 3 states. [2019-11-07 04:22:20,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:22:20,219 INFO L93 Difference]: Finished difference Result 814 states and 1054 transitions. [2019-11-07 04:22:20,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:22:20,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-11-07 04:22:20,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:22:20,227 INFO L225 Difference]: With dead ends: 814 [2019-11-07 04:22:20,228 INFO L226 Difference]: Without dead ends: 474 [2019-11-07 04:22:20,229 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 04:22:20,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2019-11-07 04:22:20,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 473. [2019-11-07 04:22:20,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2019-11-07 04:22:20,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 622 transitions. [2019-11-07 04:22:20,274 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 622 transitions. Word has length 140 [2019-11-07 04:22:20,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:22:20,275 INFO L462 AbstractCegarLoop]: Abstraction has 473 states and 622 transitions. [2019-11-07 04:22:20,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:22:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 622 transitions. [2019-11-07 04:22:20,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-07 04:22:20,282 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:22:20,283 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 04:22:20,283 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:22:20,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:22:20,283 INFO L82 PathProgramCache]: Analyzing trace with hash -439286021, now seen corresponding path program 1 times [2019-11-07 04:22:20,284 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:22:20,284 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073592343] [2019-11-07 04:22:20,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:22:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:22:20,896 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:22:20,897 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073592343] [2019-11-07 04:22:20,897 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:22:20,897 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2019-11-07 04:22:20,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889366039] [2019-11-07 04:22:20,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-07 04:22:20,898 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:22:20,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-07 04:22:20,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2019-11-07 04:22:20,899 INFO L87 Difference]: Start difference. First operand 473 states and 622 transitions. Second operand 21 states. [2019-11-07 04:22:30,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:22:30,234 INFO L93 Difference]: Finished difference Result 871 states and 1082 transitions. [2019-11-07 04:22:30,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-07 04:22:30,235 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 143 [2019-11-07 04:22:30,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:22:30,242 INFO L225 Difference]: With dead ends: 871 [2019-11-07 04:22:30,242 INFO L226 Difference]: Without dead ends: 675 [2019-11-07 04:22:30,244 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=195, Invalid=1527, Unknown=0, NotChecked=0, Total=1722 [2019-11-07 04:22:30,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2019-11-07 04:22:30,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 668. [2019-11-07 04:22:30,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2019-11-07 04:22:30,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 849 transitions. [2019-11-07 04:22:30,295 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 849 transitions. Word has length 143 [2019-11-07 04:22:30,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:22:30,297 INFO L462 AbstractCegarLoop]: Abstraction has 668 states and 849 transitions. [2019-11-07 04:22:30,297 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-07 04:22:30,297 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 849 transitions. [2019-11-07 04:22:30,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-07 04:22:30,300 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:22:30,301 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 04:22:30,301 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:22:30,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:22:30,301 INFO L82 PathProgramCache]: Analyzing trace with hash 568749428, now seen corresponding path program 1 times [2019-11-07 04:22:30,302 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:22:30,302 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557595986] [2019-11-07 04:22:30,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:22:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:22:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:22:31,025 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557595986] [2019-11-07 04:22:31,026 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:22:31,026 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-11-07 04:22:31,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401502500] [2019-11-07 04:22:31,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-07 04:22:31,028 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:22:31,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-07 04:22:31,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2019-11-07 04:22:31,029 INFO L87 Difference]: Start difference. First operand 668 states and 849 transitions. Second operand 23 states. [2019-11-07 04:22:33,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:22:33,454 INFO L93 Difference]: Finished difference Result 746 states and 939 transitions. [2019-11-07 04:22:33,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-11-07 04:22:33,454 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 149 [2019-11-07 04:22:33,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:22:33,459 INFO L225 Difference]: With dead ends: 746 [2019-11-07 04:22:33,460 INFO L226 Difference]: Without dead ends: 710 [2019-11-07 04:22:33,462 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=213, Invalid=1949, Unknown=0, NotChecked=0, Total=2162 [2019-11-07 04:22:33,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2019-11-07 04:22:33,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 705. [2019-11-07 04:22:33,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2019-11-07 04:22:33,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 886 transitions. [2019-11-07 04:22:33,502 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 886 transitions. Word has length 149 [2019-11-07 04:22:33,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:22:33,503 INFO L462 AbstractCegarLoop]: Abstraction has 705 states and 886 transitions. [2019-11-07 04:22:33,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-07 04:22:33,503 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 886 transitions. [2019-11-07 04:22:33,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-11-07 04:22:33,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:22:33,509 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:22:33,509 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:22:33,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:22:33,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1113073814, now seen corresponding path program 1 times [2019-11-07 04:22:33,510 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:22:33,510 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523764889] [2019-11-07 04:22:33,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:22:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:22:34,662 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-11-07 04:22:34,662 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523764889] [2019-11-07 04:22:34,663 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:22:34,663 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-11-07 04:22:34,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45922573] [2019-11-07 04:22:34,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-07 04:22:34,664 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:22:34,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-07 04:22:34,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2019-11-07 04:22:34,666 INFO L87 Difference]: Start difference. First operand 705 states and 886 transitions. Second operand 28 states. [2019-11-07 04:22:46,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:22:46,589 INFO L93 Difference]: Finished difference Result 1362 states and 1648 transitions. [2019-11-07 04:22:46,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-11-07 04:22:46,593 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 257 [2019-11-07 04:22:46,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:22:46,600 INFO L225 Difference]: With dead ends: 1362 [2019-11-07 04:22:46,600 INFO L226 Difference]: Without dead ends: 1159 [2019-11-07 04:22:46,603 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=315, Invalid=3717, Unknown=0, NotChecked=0, Total=4032 [2019-11-07 04:22:46,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2019-11-07 04:22:46,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1088. [2019-11-07 04:22:46,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1088 states. [2019-11-07 04:22:46,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1317 transitions. [2019-11-07 04:22:46,661 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1317 transitions. Word has length 257 [2019-11-07 04:22:46,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:22:46,662 INFO L462 AbstractCegarLoop]: Abstraction has 1088 states and 1317 transitions. [2019-11-07 04:22:46,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-07 04:22:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1317 transitions. [2019-11-07 04:22:46,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-11-07 04:22:46,669 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:22:46,670 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:22:46,670 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:22:46,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:22:46,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1461416115, now seen corresponding path program 1 times [2019-11-07 04:22:46,671 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:22:46,671 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177438928] [2019-11-07 04:22:46,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:22:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:22:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-11-07 04:22:46,962 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177438928] [2019-11-07 04:22:46,962 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:22:46,963 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 04:22:46,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194873435] [2019-11-07 04:22:46,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 04:22:46,965 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:22:46,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 04:22:46,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:22:46,966 INFO L87 Difference]: Start difference. First operand 1088 states and 1317 transitions. Second operand 10 states. [2019-11-07 04:22:47,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:22:47,093 INFO L93 Difference]: Finished difference Result 1579 states and 1853 transitions. [2019-11-07 04:22:47,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:22:47,094 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 261 [2019-11-07 04:22:47,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:22:47,103 INFO L225 Difference]: With dead ends: 1579 [2019-11-07 04:22:47,104 INFO L226 Difference]: Without dead ends: 1128 [2019-11-07 04:22:47,107 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 04:22:47,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2019-11-07 04:22:47,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1096. [2019-11-07 04:22:47,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1096 states. [2019-11-07 04:22:47,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1323 transitions. [2019-11-07 04:22:47,184 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1323 transitions. Word has length 261 [2019-11-07 04:22:47,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:22:47,185 INFO L462 AbstractCegarLoop]: Abstraction has 1096 states and 1323 transitions. [2019-11-07 04:22:47,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 04:22:47,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1323 transitions. [2019-11-07 04:22:47,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-11-07 04:22:47,193 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:22:47,193 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:22:47,193 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:22:47,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:22:47,194 INFO L82 PathProgramCache]: Analyzing trace with hash 689169505, now seen corresponding path program 1 times [2019-11-07 04:22:47,194 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:22:47,194 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935365402] [2019-11-07 04:22:47,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:22:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat