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_spec9_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:18:34,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:18:34,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:18:34,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:18:34,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:18:34,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:18:34,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:18:34,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:18:34,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:18:34,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:18:34,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:18:34,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:18:34,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:18:34,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:18:34,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:18:34,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:18:34,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:18:34,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:18:34,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:18:34,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:18:34,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:18:34,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:18:34,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:18:34,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:18:34,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:18:34,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:18:34,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:18:34,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:18:34,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:18:34,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:18:34,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:18:34,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:18:34,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:18:34,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:18:34,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:18:34,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:18:34,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:18:34,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:18:34,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:18:34,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:18:34,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:18:34,445 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 03:18:34,459 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:18:34,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:18:34,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:18:34,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:18:34,461 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:18:34,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:18:34,461 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:18:34,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:18:34,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:18:34,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:18:34,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:18:34,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:18:34,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:18:34,463 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:18:34,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:18:34,463 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:18:34,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:18:34,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:18:34,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:18:34,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:18:34,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:18:34,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:18:34,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:18:34,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:18:34,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:18:34,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:18:34,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:18:34,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:18:34,466 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 03:18:34,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:18:34,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:18:34,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:18:34,778 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:18:34,779 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:18:34,779 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_productSimulator.cil.c [2019-10-15 03:18:34,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448f23c24/442cef00378749b680d51d2748922c04/FLAG8cac02e96 [2019-10-15 03:18:35,546 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:18:35,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_productSimulator.cil.c [2019-10-15 03:18:35,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448f23c24/442cef00378749b680d51d2748922c04/FLAG8cac02e96 [2019-10-15 03:18:35,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448f23c24/442cef00378749b680d51d2748922c04 [2019-10-15 03:18:35,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:18:35,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:18:35,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:18:35,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:18:35,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:18:35,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:18:35" (1/1) ... [2019-10-15 03:18:35,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3cff56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:35, skipping insertion in model container [2019-10-15 03:18:35,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:18:35" (1/1) ... [2019-10-15 03:18:35,730 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:18:35,812 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:18:36,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:18:36,640 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:18:36,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:18:36,996 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:18:36,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:36 WrapperNode [2019-10-15 03:18:36,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:18:36,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:18:36,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:18:36,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:18:37,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:36" (1/1) ... [2019-10-15 03:18:37,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:36" (1/1) ... [2019-10-15 03:18:37,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:36" (1/1) ... [2019-10-15 03:18:37,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:36" (1/1) ... [2019-10-15 03:18:37,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:36" (1/1) ... [2019-10-15 03:18:37,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:36" (1/1) ... [2019-10-15 03:18:37,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:36" (1/1) ... [2019-10-15 03:18:37,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:18:37,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:18:37,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:18:37,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:18:37,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:36" (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 03:18:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:18:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:18:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:18:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:18:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:18:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:18:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:18:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:18:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:18:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:18:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:18:37,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:18:37,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:18:37,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:18:37,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:18:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:18:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:18:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:18:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:18:37,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:18:37,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:18:37,297 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:18:37,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:18:37,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:18:37,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:18:37,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:18:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-15 03:18:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-15 03:18:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-15 03:18:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-15 03:18:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-15 03:18:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-15 03:18:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:18:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:18:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-15 03:18:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-15 03:18:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-15 03:18:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-15 03:18:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-15 03:18:37,323 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-15 03:18:37,323 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-15 03:18:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-15 03:18:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:18:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:18:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:18:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:18:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:18:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:18:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:18:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:18:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:18:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:18:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:18:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:18:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:18:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:18:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-15 03:18:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-15 03:18:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:18:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-15 03:18:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-15 03:18:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:18:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-15 03:18:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-15 03:18:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:18:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:18:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:18:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:18:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:18:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:18:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:18:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:18:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:18:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:18:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:18:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:18:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:18:37,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:18:37,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:18:37,331 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:18:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:18:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:18:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:18:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:18:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:18:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:18:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:18:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:18:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-15 03:18:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-15 03:18:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:18:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:18:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:18:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:18:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-15 03:18:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-15 03:18:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-15 03:18:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-15 03:18:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-15 03:18:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-15 03:18:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:18:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-15 03:18:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-15 03:18:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:18:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:18:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:18:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:18:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:18:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:18:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:18:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:18:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:18:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:18:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:18:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:18:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:18:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:18:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:18:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:18:37,340 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:18:37,340 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:18:37,340 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:18:37,340 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:18:37,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:18:37,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:18:37,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:18:37,342 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:18:37,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:18:37,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:18:37,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:18:37,343 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:18:37,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:18:37,344 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:18:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:18:37,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:18:37,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:18:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:18:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:18:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:18:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:18:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:18:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:18:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:18:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:18:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:18:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:18:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:18:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:18:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:18:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:18:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:18:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:18:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:18:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:18:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:18:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:18:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:18:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:18:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:18:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:18:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:18:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:18:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:18:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:18:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:18:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:18:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:18:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:18:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:18:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:18:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:18:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:18:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:18:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:18:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:18:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:18:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:18:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:18:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:18:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:18:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:18:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:18:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:18:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:18:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:18:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:18:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:18:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:18:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:18:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:18:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:18:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:18:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:18:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:18:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:18:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:18:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:18:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:18:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:18:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:18:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:18:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:18:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-15 03:18:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:18:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-15 03:18:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-15 03:18:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-15 03:18:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-15 03:18:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-15 03:18:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-15 03:18:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-15 03:18:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-15 03:18:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-15 03:18:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-15 03:18:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-15 03:18:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-15 03:18:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-15 03:18:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-15 03:18:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-15 03:18:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:18:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:18:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:18:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:18:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:18:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:18:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:18:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:18:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:18:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:18:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:18:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:18:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:18:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:18:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:18:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:18:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:18:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:18:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:18:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:18:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:18:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:18:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-15 03:18:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-15 03:18:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-15 03:18:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-15 03:18:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-15 03:18:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-15 03:18:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:18:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:18:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:18:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:18:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:18:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:18:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:18:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:18:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:18:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:18:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:18:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:18:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:18:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:18:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:18:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:18:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:18:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:18:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:18:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-15 03:18:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-15 03:18:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-15 03:18:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-15 03:18:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-15 03:18:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-15 03:18:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-15 03:18:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-15 03:18:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:18:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:18:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:18:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:18:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:18:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:18:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:18:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:18:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:18:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:18:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:18:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:18:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:18:42,758 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:18:42,759 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:18:42,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:18:42 BoogieIcfgContainer [2019-10-15 03:18:42,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:18:42,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:18:42,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:18:42,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:18:42,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:18:35" (1/3) ... [2019-10-15 03:18:42,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96f5ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:18:42, skipping insertion in model container [2019-10-15 03:18:42,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:36" (2/3) ... [2019-10-15 03:18:42,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96f5ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:18:42, skipping insertion in model container [2019-10-15 03:18:42,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:18:42" (3/3) ... [2019-10-15 03:18:42,769 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_productSimulator.cil.c [2019-10-15 03:18:42,779 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:18:42,789 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:18:42,801 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:18:42,842 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:18:42,842 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:18:42,842 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:18:42,842 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:18:42,842 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:18:42,842 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:18:42,843 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:18:42,843 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:18:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states. [2019-10-15 03:18:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-15 03:18:42,914 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:42,915 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:18:42,917 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:42,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:42,923 INFO L82 PathProgramCache]: Analyzing trace with hash -51310916, now seen corresponding path program 1 times [2019-10-15 03:18:42,933 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:42,933 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206890417] [2019-10-15 03:18:42,934 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:42,934 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:42,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:43,609 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:18:43,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206890417] [2019-10-15 03:18:43,610 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:43,611 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:18:43,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710614981] [2019-10-15 03:18:43,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:18:43,618 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:43,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:18:43,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:18:43,636 INFO L87 Difference]: Start difference. First operand 610 states. Second operand 6 states. [2019-10-15 03:18:43,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:43,913 INFO L93 Difference]: Finished difference Result 1142 states and 1432 transitions. [2019-10-15 03:18:43,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:18:43,915 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2019-10-15 03:18:43,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:43,943 INFO L225 Difference]: With dead ends: 1142 [2019-10-15 03:18:43,943 INFO L226 Difference]: Without dead ends: 583 [2019-10-15 03:18:43,957 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:18:43,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-10-15 03:18:44,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2019-10-15 03:18:44,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2019-10-15 03:18:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 718 transitions. [2019-10-15 03:18:44,111 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 718 transitions. Word has length 140 [2019-10-15 03:18:44,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:44,113 INFO L462 AbstractCegarLoop]: Abstraction has 583 states and 718 transitions. [2019-10-15 03:18:44,114 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:18:44,114 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 718 transitions. [2019-10-15 03:18:44,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-15 03:18:44,125 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:44,126 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:18:44,127 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:44,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:44,128 INFO L82 PathProgramCache]: Analyzing trace with hash -910751636, now seen corresponding path program 1 times [2019-10-15 03:18:44,129 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:44,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739699206] [2019-10-15 03:18:44,129 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:44,129 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:44,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:18:44,373 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739699206] [2019-10-15 03:18:44,373 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:44,373 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:18:44,373 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959218346] [2019-10-15 03:18:44,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:18:44,376 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:44,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:18:44,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:18:44,377 INFO L87 Difference]: Start difference. First operand 583 states and 718 transitions. Second operand 4 states. [2019-10-15 03:18:45,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:45,291 INFO L93 Difference]: Finished difference Result 1132 states and 1424 transitions. [2019-10-15 03:18:45,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:18:45,291 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2019-10-15 03:18:45,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:45,297 INFO L225 Difference]: With dead ends: 1132 [2019-10-15 03:18:45,297 INFO L226 Difference]: Without dead ends: 581 [2019-10-15 03:18:45,300 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:18:45,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2019-10-15 03:18:45,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2019-10-15 03:18:45,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2019-10-15 03:18:45,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 707 transitions. [2019-10-15 03:18:45,339 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 707 transitions. Word has length 146 [2019-10-15 03:18:45,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:45,340 INFO L462 AbstractCegarLoop]: Abstraction has 581 states and 707 transitions. [2019-10-15 03:18:45,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:18:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 707 transitions. [2019-10-15 03:18:45,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-15 03:18:45,344 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:45,345 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:45,345 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:45,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:45,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1396711102, now seen corresponding path program 1 times [2019-10-15 03:18:45,346 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:45,346 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015124972] [2019-10-15 03:18:45,346 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:45,347 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:45,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:45,616 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:18:45,616 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015124972] [2019-10-15 03:18:45,617 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:45,617 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:45,617 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951089575] [2019-10-15 03:18:45,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:45,618 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:45,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:45,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:45,619 INFO L87 Difference]: Start difference. First operand 581 states and 707 transitions. Second operand 3 states. [2019-10-15 03:18:45,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:45,857 INFO L93 Difference]: Finished difference Result 1125 states and 1383 transitions. [2019-10-15 03:18:45,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:45,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-15 03:18:45,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:45,867 INFO L225 Difference]: With dead ends: 1125 [2019-10-15 03:18:45,867 INFO L226 Difference]: Without dead ends: 580 [2019-10-15 03:18:45,869 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 03:18:45,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2019-10-15 03:18:45,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2019-10-15 03:18:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2019-10-15 03:18:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 703 transitions. [2019-10-15 03:18:45,942 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 703 transitions. Word has length 159 [2019-10-15 03:18:45,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:45,944 INFO L462 AbstractCegarLoop]: Abstraction has 580 states and 703 transitions. [2019-10-15 03:18:45,944 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 703 transitions. [2019-10-15 03:18:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-15 03:18:45,952 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:45,953 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:45,953 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:45,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:45,954 INFO L82 PathProgramCache]: Analyzing trace with hash 523219015, now seen corresponding path program 1 times [2019-10-15 03:18:45,954 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:45,955 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449911895] [2019-10-15 03:18:45,955 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:45,955 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:45,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:18:46,194 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449911895] [2019-10-15 03:18:46,194 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:46,195 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:18:46,195 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615770954] [2019-10-15 03:18:46,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:18:46,196 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:46,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:18:46,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:18:46,196 INFO L87 Difference]: Start difference. First operand 580 states and 703 transitions. Second operand 4 states. [2019-10-15 03:18:47,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:47,005 INFO L93 Difference]: Finished difference Result 1097 states and 1330 transitions. [2019-10-15 03:18:47,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:18:47,006 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2019-10-15 03:18:47,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:47,010 INFO L225 Difference]: With dead ends: 1097 [2019-10-15 03:18:47,010 INFO L226 Difference]: Without dead ends: 577 [2019-10-15 03:18:47,012 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:18:47,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-15 03:18:47,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-15 03:18:47,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-15 03:18:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 686 transitions. [2019-10-15 03:18:47,042 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 686 transitions. Word has length 160 [2019-10-15 03:18:47,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:47,043 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 686 transitions. [2019-10-15 03:18:47,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:18:47,043 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 686 transitions. [2019-10-15 03:18:47,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-15 03:18:47,046 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:47,046 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:47,047 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:47,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:47,047 INFO L82 PathProgramCache]: Analyzing trace with hash 175115770, now seen corresponding path program 1 times [2019-10-15 03:18:47,047 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:47,047 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226825339] [2019-10-15 03:18:47,048 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:47,048 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:47,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-15 03:18:47,223 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226825339] [2019-10-15 03:18:47,223 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:47,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:47,224 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342329346] [2019-10-15 03:18:47,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:47,225 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:47,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:47,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:47,225 INFO L87 Difference]: Start difference. First operand 577 states and 686 transitions. Second operand 3 states. [2019-10-15 03:18:47,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:47,262 INFO L93 Difference]: Finished difference Result 909 states and 1074 transitions. [2019-10-15 03:18:47,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:47,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-15 03:18:47,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:47,266 INFO L225 Difference]: With dead ends: 909 [2019-10-15 03:18:47,266 INFO L226 Difference]: Without dead ends: 579 [2019-10-15 03:18:47,268 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 03:18:47,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-10-15 03:18:47,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-10-15 03:18:47,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-15 03:18:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 688 transitions. [2019-10-15 03:18:47,298 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 688 transitions. Word has length 181 [2019-10-15 03:18:47,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:47,299 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 688 transitions. [2019-10-15 03:18:47,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:47,299 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 688 transitions. [2019-10-15 03:18:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-15 03:18:47,302 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:47,302 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:47,303 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:47,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:47,303 INFO L82 PathProgramCache]: Analyzing trace with hash -788599818, now seen corresponding path program 1 times [2019-10-15 03:18:47,303 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:47,303 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059244808] [2019-10-15 03:18:47,304 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:47,304 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:47,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-15 03:18:47,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059244808] [2019-10-15 03:18:47,553 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:47,553 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:47,554 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426275159] [2019-10-15 03:18:47,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:47,556 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:47,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:47,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:47,557 INFO L87 Difference]: Start difference. First operand 579 states and 688 transitions. Second operand 3 states. [2019-10-15 03:18:47,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:47,672 INFO L93 Difference]: Finished difference Result 1106 states and 1345 transitions. [2019-10-15 03:18:47,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:47,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-10-15 03:18:47,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:47,679 INFO L225 Difference]: With dead ends: 1106 [2019-10-15 03:18:47,679 INFO L226 Difference]: Without dead ends: 633 [2019-10-15 03:18:47,682 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 03:18:47,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2019-10-15 03:18:47,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 632. [2019-10-15 03:18:47,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2019-10-15 03:18:47,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 775 transitions. [2019-10-15 03:18:47,728 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 775 transitions. Word has length 188 [2019-10-15 03:18:47,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:47,729 INFO L462 AbstractCegarLoop]: Abstraction has 632 states and 775 transitions. [2019-10-15 03:18:47,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 775 transitions. [2019-10-15 03:18:47,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-15 03:18:47,735 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:47,736 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:47,736 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:47,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:47,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1088119219, now seen corresponding path program 1 times [2019-10-15 03:18:47,737 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:47,737 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107652125] [2019-10-15 03:18:47,738 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:47,738 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:47,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-15 03:18:48,015 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107652125] [2019-10-15 03:18:48,015 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:48,015 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:48,016 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395330395] [2019-10-15 03:18:48,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:48,016 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:48,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:48,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:48,017 INFO L87 Difference]: Start difference. First operand 632 states and 775 transitions. Second operand 3 states. [2019-10-15 03:18:48,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:48,079 INFO L93 Difference]: Finished difference Result 1042 states and 1270 transitions. [2019-10-15 03:18:48,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:48,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-15 03:18:48,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:48,085 INFO L225 Difference]: With dead ends: 1042 [2019-10-15 03:18:48,086 INFO L226 Difference]: Without dead ends: 724 [2019-10-15 03:18:48,088 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 03:18:48,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2019-10-15 03:18:48,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 723. [2019-10-15 03:18:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2019-10-15 03:18:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 880 transitions. [2019-10-15 03:18:48,142 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 880 transitions. Word has length 189 [2019-10-15 03:18:48,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:48,143 INFO L462 AbstractCegarLoop]: Abstraction has 723 states and 880 transitions. [2019-10-15 03:18:48,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 880 transitions. [2019-10-15 03:18:48,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-10-15 03:18:48,150 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:48,151 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:48,151 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:48,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:48,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1089171071, now seen corresponding path program 1 times [2019-10-15 03:18:48,152 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:48,152 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484736213] [2019-10-15 03:18:48,152 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:48,152 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:48,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:48,606 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 03:18:48,606 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484736213] [2019-10-15 03:18:48,606 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:48,607 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-15 03:18:48,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472710217] [2019-10-15 03:18:48,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-15 03:18:48,608 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:48,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-15 03:18:48,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2019-10-15 03:18:48,608 INFO L87 Difference]: Start difference. First operand 723 states and 880 transitions. Second operand 16 states. [2019-10-15 03:18:55,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:55,803 INFO L93 Difference]: Finished difference Result 1722 states and 2087 transitions. [2019-10-15 03:18:55,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-15 03:18:55,804 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 304 [2019-10-15 03:18:55,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:55,818 INFO L225 Difference]: With dead ends: 1722 [2019-10-15 03:18:55,818 INFO L226 Difference]: Without dead ends: 1347 [2019-10-15 03:18:55,822 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=731, Unknown=0, NotChecked=0, Total=870 [2019-10-15 03:18:55,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2019-10-15 03:18:55,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1336. [2019-10-15 03:18:55,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1336 states. [2019-10-15 03:18:55,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1638 transitions. [2019-10-15 03:18:55,966 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1638 transitions. Word has length 304 [2019-10-15 03:18:55,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:55,968 INFO L462 AbstractCegarLoop]: Abstraction has 1336 states and 1638 transitions. [2019-10-15 03:18:55,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-15 03:18:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1638 transitions. [2019-10-15 03:18:55,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-10-15 03:18:55,984 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:55,985 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:55,985 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:55,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:55,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2113196456, now seen corresponding path program 1 times [2019-10-15 03:18:55,986 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:55,986 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388639382] [2019-10-15 03:18:55,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:55,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:55,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-15 03:18:56,397 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388639382] [2019-10-15 03:18:56,399 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:56,399 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:56,399 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873600738] [2019-10-15 03:18:56,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:56,400 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:56,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:56,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:56,401 INFO L87 Difference]: Start difference. First operand 1336 states and 1638 transitions. Second operand 3 states. [2019-10-15 03:18:56,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:56,561 INFO L93 Difference]: Finished difference Result 3803 states and 4784 transitions. [2019-10-15 03:18:56,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:56,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 315 [2019-10-15 03:18:56,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:56,585 INFO L225 Difference]: With dead ends: 3803 [2019-10-15 03:18:56,585 INFO L226 Difference]: Without dead ends: 2508 [2019-10-15 03:18:56,591 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 03:18:56,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2019-10-15 03:18:56,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2505. [2019-10-15 03:18:56,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2505 states. [2019-10-15 03:18:56,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3120 transitions. [2019-10-15 03:18:56,799 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3120 transitions. Word has length 315 [2019-10-15 03:18:56,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:56,800 INFO L462 AbstractCegarLoop]: Abstraction has 2505 states and 3120 transitions. [2019-10-15 03:18:56,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3120 transitions. [2019-10-15 03:18:56,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-10-15 03:18:56,817 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:56,818 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:56,818 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:56,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:56,819 INFO L82 PathProgramCache]: Analyzing trace with hash 365566248, now seen corresponding path program 1 times [2019-10-15 03:18:56,819 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:56,819 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981060133] [2019-10-15 03:18:56,819 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:56,819 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:56,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:57,158 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-15 03:18:57,159 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981060133] [2019-10-15 03:18:57,160 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:57,160 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:57,160 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530610621] [2019-10-15 03:18:57,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:57,161 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:57,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:57,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:57,162 INFO L87 Difference]: Start difference. First operand 2505 states and 3120 transitions. Second operand 3 states. [2019-10-15 03:18:57,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:57,476 INFO L93 Difference]: Finished difference Result 6057 states and 7742 transitions. [2019-10-15 03:18:57,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:57,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 317 [2019-10-15 03:18:57,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:57,500 INFO L225 Difference]: With dead ends: 6057 [2019-10-15 03:18:57,501 INFO L226 Difference]: Without dead ends: 3596 [2019-10-15 03:18:57,516 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 03:18:57,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2019-10-15 03:18:57,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 3593. [2019-10-15 03:18:57,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3593 states. [2019-10-15 03:18:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3593 states to 3593 states and 4477 transitions. [2019-10-15 03:18:57,769 INFO L78 Accepts]: Start accepts. Automaton has 3593 states and 4477 transitions. Word has length 317 [2019-10-15 03:18:57,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:57,770 INFO L462 AbstractCegarLoop]: Abstraction has 3593 states and 4477 transitions. [2019-10-15 03:18:57,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:57,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3593 states and 4477 transitions. [2019-10-15 03:18:57,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-10-15 03:18:57,789 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:57,789 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:57,790 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:57,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:57,790 INFO L82 PathProgramCache]: Analyzing trace with hash 451580426, now seen corresponding path program 1 times [2019-10-15 03:18:57,790 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:57,791 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432211456] [2019-10-15 03:18:57,791 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:57,791 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:57,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-10-15 03:18:58,216 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432211456] [2019-10-15 03:18:58,217 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:58,217 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 03:18:58,217 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011043663] [2019-10-15 03:18:58,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:18:58,218 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:58,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:18:58,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:18:58,218 INFO L87 Difference]: Start difference. First operand 3593 states and 4477 transitions. Second operand 11 states. [2019-10-15 03:19:03,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:03,416 INFO L93 Difference]: Finished difference Result 6939 states and 8589 transitions. [2019-10-15 03:19:03,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 03:19:03,417 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 300 [2019-10-15 03:19:03,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:03,448 INFO L225 Difference]: With dead ends: 6939 [2019-10-15 03:19:03,448 INFO L226 Difference]: Without dead ends: 5100 [2019-10-15 03:19:03,456 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2019-10-15 03:19:03,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5100 states. [2019-10-15 03:19:03,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5100 to 5063. [2019-10-15 03:19:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5063 states. [2019-10-15 03:19:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5063 states to 5063 states and 6312 transitions. [2019-10-15 03:19:03,832 INFO L78 Accepts]: Start accepts. Automaton has 5063 states and 6312 transitions. Word has length 300 [2019-10-15 03:19:03,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:03,834 INFO L462 AbstractCegarLoop]: Abstraction has 5063 states and 6312 transitions. [2019-10-15 03:19:03,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 03:19:03,834 INFO L276 IsEmpty]: Start isEmpty. Operand 5063 states and 6312 transitions. [2019-10-15 03:19:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-10-15 03:19:03,855 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:03,856 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:03,856 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:03,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:03,857 INFO L82 PathProgramCache]: Analyzing trace with hash 702539881, now seen corresponding path program 1 times [2019-10-15 03:19:03,857 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:03,857 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946342132] [2019-10-15 03:19:03,858 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:03,858 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:03,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:04,201 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 03:19:04,202 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946342132] [2019-10-15 03:19:04,202 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:04,203 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:19:04,203 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761969775] [2019-10-15 03:19:04,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:19:04,204 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:04,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:19:04,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:19:04,204 INFO L87 Difference]: Start difference. First operand 5063 states and 6312 transitions. Second operand 3 states. [2019-10-15 03:19:04,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:04,419 INFO L93 Difference]: Finished difference Result 10504 states and 13364 transitions. [2019-10-15 03:19:04,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:19:04,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2019-10-15 03:19:04,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:04,456 INFO L225 Difference]: With dead ends: 10504 [2019-10-15 03:19:04,457 INFO L226 Difference]: Without dead ends: 5675 [2019-10-15 03:19:04,474 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 03:19:04,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5675 states. [2019-10-15 03:19:04,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5675 to 5669. [2019-10-15 03:19:04,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5669 states. [2019-10-15 03:19:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5669 states to 5669 states and 7290 transitions. [2019-10-15 03:19:04,838 INFO L78 Accepts]: Start accepts. Automaton has 5669 states and 7290 transitions. Word has length 325 [2019-10-15 03:19:04,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:04,839 INFO L462 AbstractCegarLoop]: Abstraction has 5669 states and 7290 transitions. [2019-10-15 03:19:04,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:19:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 5669 states and 7290 transitions. [2019-10-15 03:19:04,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2019-10-15 03:19:04,862 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:04,862 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:04,863 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:04,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:04,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1525336780, now seen corresponding path program 1 times [2019-10-15 03:19:04,864 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:04,864 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364053634] [2019-10-15 03:19:04,864 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:04,864 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:04,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 03:19:05,111 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364053634] [2019-10-15 03:19:05,111 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:05,111 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:19:05,111 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77604472] [2019-10-15 03:19:05,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:19:05,112 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:05,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:19:05,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:19:05,113 INFO L87 Difference]: Start difference. First operand 5669 states and 7290 transitions. Second operand 3 states. [2019-10-15 03:19:05,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:05,506 INFO L93 Difference]: Finished difference Result 12274 states and 16238 transitions. [2019-10-15 03:19:05,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:19:05,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 326 [2019-10-15 03:19:05,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:05,563 INFO L225 Difference]: With dead ends: 12274 [2019-10-15 03:19:05,563 INFO L226 Difference]: Without dead ends: 6839 [2019-10-15 03:19:05,581 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 03:19:05,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6839 states. [2019-10-15 03:19:06,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6839 to 6833. [2019-10-15 03:19:06,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6833 states. [2019-10-15 03:19:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6833 states to 6833 states and 9174 transitions. [2019-10-15 03:19:06,034 INFO L78 Accepts]: Start accepts. Automaton has 6833 states and 9174 transitions. Word has length 326 [2019-10-15 03:19:06,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:06,035 INFO L462 AbstractCegarLoop]: Abstraction has 6833 states and 9174 transitions. [2019-10-15 03:19:06,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:19:06,035 INFO L276 IsEmpty]: Start isEmpty. Operand 6833 states and 9174 transitions. [2019-10-15 03:19:06,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-10-15 03:19:06,067 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:06,069 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:06,070 INFO L410 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:06,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:06,070 INFO L82 PathProgramCache]: Analyzing trace with hash -635371857, now seen corresponding path program 1 times [2019-10-15 03:19:06,070 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:06,071 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526819888] [2019-10-15 03:19:06,071 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:06,071 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:06,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 03:19:06,323 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526819888] [2019-10-15 03:19:06,323 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:06,323 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:19:06,324 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873854135] [2019-10-15 03:19:06,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:19:06,324 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:06,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:19:06,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:19:06,325 INFO L87 Difference]: Start difference. First operand 6833 states and 9174 transitions. Second operand 3 states.