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_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:12:14,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:12:14,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:12:14,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:12:14,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:12:14,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:12:14,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:12:14,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:12:14,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:12:14,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:12:14,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:12:14,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:12:14,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:12:14,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:12:14,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:12:14,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:12:14,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:12:14,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:12:14,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:12:14,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:12:14,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:12:14,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:12:14,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:12:14,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:12:14,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:12:14,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:12:14,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:12:14,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:12:14,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:12:14,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:12:14,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:12:14,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:12:14,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:12:14,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:12:14,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:12:14,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:12:14,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:12:14,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:12:14,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:12:14,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:12:14,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:12:14,083 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 [2019-10-15 03:12:14,099 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:12:14,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:12:14,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:12:14,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:12:14,103 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:12:14,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:12:14,103 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:12:14,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:12:14,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:12:14,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:12:14,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:12:14,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:12:14,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:12:14,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:12:14,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:12:14,105 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:12:14,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:12:14,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:12:14,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:12:14,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:12:14,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:12:14,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:12:14,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:12:14,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:12:14,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:12:14,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:12:14,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:12:14,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:12:14,108 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 [2019-10-15 03:12:14,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:12:14,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:12:14,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:12:14,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:12:14,393 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:12:14,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product20.cil.c [2019-10-15 03:12:14,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7621dc1e3/5c068c637ac44721b53b64522055ca28/FLAG71820b071 [2019-10-15 03:12:15,102 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:12:15,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product20.cil.c [2019-10-15 03:12:15,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7621dc1e3/5c068c637ac44721b53b64522055ca28/FLAG71820b071 [2019-10-15 03:12:15,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7621dc1e3/5c068c637ac44721b53b64522055ca28 [2019-10-15 03:12:15,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:12:15,294 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:12:15,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:12:15,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:12:15,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:12:15,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:12:15" (1/1) ... [2019-10-15 03:12:15,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ddc21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:15, skipping insertion in model container [2019-10-15 03:12:15,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:12:15" (1/1) ... [2019-10-15 03:12:15,308 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:12:15,383 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:12:16,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:12:16,128 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:12:16,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:12:16,363 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:12:16,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:16 WrapperNode [2019-10-15 03:12:16,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:12:16,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:12:16,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:12:16,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:12:16,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:16" (1/1) ... [2019-10-15 03:12:16,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:16" (1/1) ... [2019-10-15 03:12:16,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:16" (1/1) ... [2019-10-15 03:12:16,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:16" (1/1) ... [2019-10-15 03:12:16,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:16" (1/1) ... [2019-10-15 03:12:16,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:16" (1/1) ... [2019-10-15 03:12:16,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:16" (1/1) ... [2019-10-15 03:12:16,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:12:16,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:12:16,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:12:16,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:12:16,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:12:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:12:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:12:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:12:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:12:16,617 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:12:16,618 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:12:16,618 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:12:16,618 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:12:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:12:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:12:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:12:16,620 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:12:16,620 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:12:16,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:12:16,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:12:16,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:12:16,623 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:12:16,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:12:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:12:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:12:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:12:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:12:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:12:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:12:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:12:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:12:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:12:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:12:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:12:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:12:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-15 03:12:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:12:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:12:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:12:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:12:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:12:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:12:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:12:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:12:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:12:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:12:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:12:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:12:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:12:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:12:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:12:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:12:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:12:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:12:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:12:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:12:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:12:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:12:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:12:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:12:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:12:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:12:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:12:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:12:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:12:16,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:12:16,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:12:16,635 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:12:16,635 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:12:16,635 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:12:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:12:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:12:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:12:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:12:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:12:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:12:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:12:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:12:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:12:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:12:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:12:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:12:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:12:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:12:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:12:16,640 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:12:16,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:12:16,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:12:16,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:12:16,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:12:16,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:12:16,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:12:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:12:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:12:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:12:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:12:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:12:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:12:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:12:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:12:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:12:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:12:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:12:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:12:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:12:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 03:12:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:12:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:12:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:12:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:12:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:12:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:12:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:12:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:12:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:12:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:12:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:12:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:12:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:12:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:12:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:12:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:12:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:12:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:12:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:12:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:12:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:12:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:12:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:12:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:12:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:12:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:12:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:12:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:12:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:12:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:12:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:12:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:12:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:12:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:12:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:12:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:12:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:12:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:12:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:12:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:12:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:12:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:12:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:12:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:12:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:12:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:12:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:12:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:12:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:12:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:12:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:12:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:12:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:12:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:12:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:12:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:12:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:12:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:12:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:12:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 03:12:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:12:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:12:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:12:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:12:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-15 03:12:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:12:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:12:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:12:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:12:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:12:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:12:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:12:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:12:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:12:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:12:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:12:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:12:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:12:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:12:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:12:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:12:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:12:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:12:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:12:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:12:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:12:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:12:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:12:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:12:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:12:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:12:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:12:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:12:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:12:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:12:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:12:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:12:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:12:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:12:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:12:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:12:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:12:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:12:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:12:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:12:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:12:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:12:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:12:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:12:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:12:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:12:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:12:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:12:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:12:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:12:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:12:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:12:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:12:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:12:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:12:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:12:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:12:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:12:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:12:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:12:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:12:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:12:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:12:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:12:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:12:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:12:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:12:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:12:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:12:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:12:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:12:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:12:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:12:20,778 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:12:20,778 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:12:20,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:12:20 BoogieIcfgContainer [2019-10-15 03:12:20,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:12:20,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:12:20,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:12:20,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:12:20,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:12:15" (1/3) ... [2019-10-15 03:12:20,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ed4e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:12:20, skipping insertion in model container [2019-10-15 03:12:20,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:16" (2/3) ... [2019-10-15 03:12:20,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ed4e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:12:20, skipping insertion in model container [2019-10-15 03:12:20,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:12:20" (3/3) ... [2019-10-15 03:12:20,789 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product20.cil.c [2019-10-15 03:12:20,798 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:12:20,807 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:12:20,819 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:12:20,846 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:12:20,847 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:12:20,847 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:12:20,847 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:12:20,847 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:12:20,847 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:12:20,847 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:12:20,848 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:12:20,873 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states. [2019-10-15 03:12:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-15 03:12:20,890 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:20,891 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:12:20,893 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:20,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:20,899 INFO L82 PathProgramCache]: Analyzing trace with hash -541190636, now seen corresponding path program 1 times [2019-10-15 03:12:20,908 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:20,908 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872055153] [2019-10-15 03:12:20,908 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:20,909 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:20,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:21,554 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:21,555 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872055153] [2019-10-15 03:12:21,556 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:21,556 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:12:21,557 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408597181] [2019-10-15 03:12:21,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:12:21,567 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:21,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:12:21,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:12:21,587 INFO L87 Difference]: Start difference. First operand 386 states. Second operand 2 states. [2019-10-15 03:12:21,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:21,689 INFO L93 Difference]: Finished difference Result 512 states and 611 transitions. [2019-10-15 03:12:21,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:12:21,691 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 121 [2019-10-15 03:12:21,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:21,721 INFO L225 Difference]: With dead ends: 512 [2019-10-15 03:12:21,722 INFO L226 Difference]: Without dead ends: 338 [2019-10-15 03:12:21,731 INFO L600 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 [2019-10-15 03:12:21,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2019-10-15 03:12:21,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2019-10-15 03:12:21,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-10-15 03:12:21,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 400 transitions. [2019-10-15 03:12:21,810 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 400 transitions. Word has length 121 [2019-10-15 03:12:21,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:21,812 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 400 transitions. [2019-10-15 03:12:21,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:12:21,812 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 400 transitions. [2019-10-15 03:12:21,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-15 03:12:21,817 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:21,817 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:12:21,818 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:21,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:21,818 INFO L82 PathProgramCache]: Analyzing trace with hash 301029515, now seen corresponding path program 1 times [2019-10-15 03:12:21,818 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:21,818 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118032369] [2019-10-15 03:12:21,819 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:21,819 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:21,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:22,020 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118032369] [2019-10-15 03:12:22,020 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:22,020 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:12:22,021 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700992614] [2019-10-15 03:12:22,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:12:22,023 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:22,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:12:22,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:22,023 INFO L87 Difference]: Start difference. First operand 338 states and 400 transitions. Second operand 3 states. [2019-10-15 03:12:22,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:22,057 INFO L93 Difference]: Finished difference Result 497 states and 580 transitions. [2019-10-15 03:12:22,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:12:22,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-15 03:12:22,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:22,061 INFO L225 Difference]: With dead ends: 497 [2019-10-15 03:12:22,061 INFO L226 Difference]: Without dead ends: 340 [2019-10-15 03:12:22,062 INFO L600 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 [2019-10-15 03:12:22,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2019-10-15 03:12:22,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2019-10-15 03:12:22,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-10-15 03:12:22,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 402 transitions. [2019-10-15 03:12:22,092 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 402 transitions. Word has length 122 [2019-10-15 03:12:22,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:22,095 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 402 transitions. [2019-10-15 03:12:22,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:12:22,095 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 402 transitions. [2019-10-15 03:12:22,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-15 03:12:22,100 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:22,100 INFO L380 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, 1] [2019-10-15 03:12:22,101 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:22,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:22,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1663769370, now seen corresponding path program 1 times [2019-10-15 03:12:22,102 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:22,102 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556333114] [2019-10-15 03:12:22,102 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:22,102 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:22,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:22,368 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556333114] [2019-10-15 03:12:22,369 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:22,369 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:12:22,369 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875351294] [2019-10-15 03:12:22,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:12:22,370 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:22,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:12:22,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:22,371 INFO L87 Difference]: Start difference. First operand 340 states and 402 transitions. Second operand 3 states. [2019-10-15 03:12:22,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:22,418 INFO L93 Difference]: Finished difference Result 664 states and 814 transitions. [2019-10-15 03:12:22,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:12:22,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-15 03:12:22,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:22,424 INFO L225 Difference]: With dead ends: 664 [2019-10-15 03:12:22,424 INFO L226 Difference]: Without dead ends: 382 [2019-10-15 03:12:22,426 INFO L600 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 [2019-10-15 03:12:22,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-10-15 03:12:22,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2019-10-15 03:12:22,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-10-15 03:12:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 473 transitions. [2019-10-15 03:12:22,471 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 473 transitions. Word has length 131 [2019-10-15 03:12:22,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:22,471 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 473 transitions. [2019-10-15 03:12:22,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:12:22,472 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 473 transitions. [2019-10-15 03:12:22,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-15 03:12:22,476 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:22,477 INFO L380 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, 1, 1] [2019-10-15 03:12:22,477 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:22,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:22,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1913197753, now seen corresponding path program 1 times [2019-10-15 03:12:22,478 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:22,478 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369427486] [2019-10-15 03:12:22,479 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:22,479 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:22,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:22,621 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369427486] [2019-10-15 03:12:22,621 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:22,621 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:12:22,622 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775073450] [2019-10-15 03:12:22,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:12:22,622 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:22,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:12:22,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:22,623 INFO L87 Difference]: Start difference. First operand 381 states and 473 transitions. Second operand 3 states. [2019-10-15 03:12:22,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:22,651 INFO L93 Difference]: Finished difference Result 784 states and 1022 transitions. [2019-10-15 03:12:22,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:12:22,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-15 03:12:22,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:22,655 INFO L225 Difference]: With dead ends: 784 [2019-10-15 03:12:22,655 INFO L226 Difference]: Without dead ends: 461 [2019-10-15 03:12:22,656 INFO L600 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 [2019-10-15 03:12:22,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-10-15 03:12:22,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 460. [2019-10-15 03:12:22,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2019-10-15 03:12:22,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 609 transitions. [2019-10-15 03:12:22,679 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 609 transitions. Word has length 132 [2019-10-15 03:12:22,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:22,680 INFO L462 AbstractCegarLoop]: Abstraction has 460 states and 609 transitions. [2019-10-15 03:12:22,680 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:12:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 609 transitions. [2019-10-15 03:12:22,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-15 03:12:22,685 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:22,686 INFO L380 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, 1, 1, 1, 1, 1] [2019-10-15 03:12:22,686 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:22,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:22,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1357052620, now seen corresponding path program 1 times [2019-10-15 03:12:22,687 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:22,687 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530863179] [2019-10-15 03:12:22,688 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:22,688 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:22,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:22,882 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530863179] [2019-10-15 03:12:22,882 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549275668] [2019-10-15 03:12:22,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:12:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:23,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 2605 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:12:23,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:12:23,637 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:23,638 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:12:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:23,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1889471962] [2019-10-15 03:12:23,861 INFO L162 IcfgInterpreter]: Started Sifa with 124 locations of interest [2019-10-15 03:12:23,861 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:12:23,867 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:12:23,875 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:12:23,875 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs