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_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:09:50,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:09:50,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:09:50,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:09:50,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:09:50,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:09:50,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:09:50,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:09:50,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:09:50,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:09:50,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:09:50,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:09:50,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:09:50,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:09:50,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:09:50,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:09:50,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:09:50,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:09:50,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:09:50,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:09:50,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:09:50,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:09:50,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:09:50,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:09:50,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:09:50,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:09:50,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:09:50,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:09:50,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:09:50,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:09:50,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:09:50,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:09:50,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:09:50,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:09:50,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:09:50,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:09:50,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:09:50,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:09:50,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:09:50,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:09:50,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:09:50,539 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 [2019-10-13 23:09:50,560 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:09:50,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:09:50,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:09:50,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:09:50,562 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:09:50,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:09:50,563 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:09:50,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:09:50,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:09:50,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:09:50,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:09:50,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:09:50,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:09:50,565 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:09:50,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:09:50,566 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:09:50,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:09:50,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:09:50,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:09:50,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:09:50,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:09:50,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:09:50,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:09:50,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:09:50,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:09:50,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:09:50,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:09:50,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:09:50,568 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 [2019-10-13 23:09:50,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:09:50,879 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:09:50,883 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:09:50,884 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:09:50,884 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:09:50,885 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product33.cil.c [2019-10-13 23:09:50,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e2b0a1b5/f26d9a6aae1c4edab25b5ce42fe9cae9/FLAGbd48f8f19 [2019-10-13 23:09:51,562 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:09:51,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product33.cil.c [2019-10-13 23:09:51,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e2b0a1b5/f26d9a6aae1c4edab25b5ce42fe9cae9/FLAGbd48f8f19 [2019-10-13 23:09:51,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e2b0a1b5/f26d9a6aae1c4edab25b5ce42fe9cae9 [2019-10-13 23:09:51,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:09:51,832 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:09:51,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:09:51,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:09:51,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:09:51,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:09:51" (1/1) ... [2019-10-13 23:09:51,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aed49ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:51, skipping insertion in model container [2019-10-13 23:09:51,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:09:51" (1/1) ... [2019-10-13 23:09:51,848 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:09:51,922 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:09:52,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:09:52,734 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:09:52,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:09:53,041 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:09:53,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:53 WrapperNode [2019-10-13 23:09:53,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:09:53,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:09:53,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:09:53,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:09:53,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:53" (1/1) ... [2019-10-13 23:09:53,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:53" (1/1) ... [2019-10-13 23:09:53,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:53" (1/1) ... [2019-10-13 23:09:53,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:53" (1/1) ... [2019-10-13 23:09:53,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:53" (1/1) ... [2019-10-13 23:09:53,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:53" (1/1) ... [2019-10-13 23:09:53,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:53" (1/1) ... [2019-10-13 23:09:53,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:09:53,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:09:53,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:09:53,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:09:53,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:53" (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 [2019-10-13 23:09:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:09:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:09:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:09:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:09:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:09:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:09:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:09:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:09:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:09:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:09:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:09:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:09:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:09:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:09:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:09:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:09:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:09:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:09:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:09:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:09:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:09:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:09:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:09:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:09:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:09:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:09:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:09:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:09:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:09:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:09:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:09:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:09:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:09:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:09:53,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:09:53,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:09:53,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:09:53,366 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:09:53,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:09:53,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:09:53,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:09:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:09:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:09:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:09:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:09:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:09:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:09:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:09:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:09:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:09:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:09:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:09:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:09:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:09:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:09:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:09:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:09:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:09:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:09:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:09:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:09:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:09:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:09:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:09:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:09:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:09:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:09:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:09:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:09:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:09:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:09:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:09:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:09:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:09:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:09:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:09:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:09:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:09:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:09:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-13 23:09:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-13 23:09:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:09:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:09:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:09:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:09:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:09:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:09:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:09:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:09:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:09:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:09:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:09:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:09:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:09:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:09:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:09:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:09:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:09:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 23:09:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:09:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-13 23:09:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 23:09:53,377 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:09:53,377 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:09:53,377 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:09:53,377 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:09:53,378 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:09:53,378 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:09:53,378 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:09:53,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:09:53,379 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:09:53,379 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:09:53,379 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:09:53,379 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:09:53,379 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:09:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:09:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-13 23:09:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-13 23:09:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:09:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:09:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:09:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:09:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:09:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:09:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:09:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:09:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:09:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:09:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:09:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:09:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:09:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:09:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:09:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:09:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:09:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:09:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:09:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:09:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:09:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:09:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:09:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:09:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:09:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:09:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:09:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:09:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:09:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:09:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:09:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:09:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:09:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:09:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:09:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:09:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:09:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:09:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:09:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:09:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:09:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:09:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:09:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:09:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:09:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:09:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:09:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:09:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:09:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:09:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:09:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:09:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:09:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:09:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:09:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:09:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:09:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:09:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:09:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:09:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:09:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:09:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:09:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:09:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:09:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:09:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:09:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:09:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:09:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:09:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:09:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:09:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:09:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:09:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:09:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:09:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:09:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:09:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:09:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:09:53,396 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:09:53,396 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:09:53,396 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:09:53,396 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:09:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:09:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:09:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:09:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:09:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:09:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:09:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:09:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:09:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:09:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-13 23:09:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-13 23:09:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:09:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:09:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:09:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:09:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:09:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:09:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:09:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:09:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:09:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:09:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:09:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:09:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:09:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:09:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:09:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:09:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:09:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:09:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:09:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:09:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:09:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:09:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:09:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:09:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:09:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:09:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:09:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-13 23:09:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:09:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:09:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 23:09:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:09:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-13 23:09:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 23:09:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-13 23:09:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:09:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:09:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:09:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:09:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:09:57,680 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:09:57,681 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:09:57,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:09:57 BoogieIcfgContainer [2019-10-13 23:09:57,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:09:57,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:09:57,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:09:57,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:09:57,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:09:51" (1/3) ... [2019-10-13 23:09:57,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775bc411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:09:57, skipping insertion in model container [2019-10-13 23:09:57,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:53" (2/3) ... [2019-10-13 23:09:57,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775bc411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:09:57, skipping insertion in model container [2019-10-13 23:09:57,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:09:57" (3/3) ... [2019-10-13 23:09:57,691 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product33.cil.c [2019-10-13 23:09:57,700 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:09:57,709 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:09:57,720 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:09:57,754 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:09:57,754 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:09:57,754 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:09:57,755 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:09:57,755 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:09:57,755 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:09:57,755 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:09:57,755 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:09:57,783 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states. [2019-10-13 23:09:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-13 23:09:57,802 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:57,803 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:57,805 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:57,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:57,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1348113760, now seen corresponding path program 1 times [2019-10-13 23:09:57,820 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:57,820 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965641196] [2019-10-13 23:09:57,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:57,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:57,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:58,585 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:09:58,586 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965641196] [2019-10-13 23:09:58,587 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:58,587 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:09:58,588 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652848728] [2019-10-13 23:09:58,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:09:58,593 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:58,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:09:58,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:09:58,609 INFO L87 Difference]: Start difference. First operand 445 states. Second operand 2 states. [2019-10-13 23:09:58,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:58,689 INFO L93 Difference]: Finished difference Result 691 states and 828 transitions. [2019-10-13 23:09:58,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:09:58,691 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 152 [2019-10-13 23:09:58,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:58,718 INFO L225 Difference]: With dead ends: 691 [2019-10-13 23:09:58,718 INFO L226 Difference]: Without dead ends: 424 [2019-10-13 23:09:58,724 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:09:58,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2019-10-13 23:09:58,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2019-10-13 23:09:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2019-10-13 23:09:58,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 503 transitions. [2019-10-13 23:09:58,810 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 503 transitions. Word has length 152 [2019-10-13 23:09:58,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:58,812 INFO L462 AbstractCegarLoop]: Abstraction has 424 states and 503 transitions. [2019-10-13 23:09:58,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:09:58,812 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 503 transitions. [2019-10-13 23:09:58,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-13 23:09:58,822 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:58,823 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:58,823 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:58,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:58,824 INFO L82 PathProgramCache]: Analyzing trace with hash -173875731, now seen corresponding path program 1 times [2019-10-13 23:09:58,824 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:58,824 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747675344] [2019-10-13 23:09:58,824 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:58,824 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:58,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:59,153 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:09:59,154 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747675344] [2019-10-13 23:09:59,154 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:59,155 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:09:59,155 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345635352] [2019-10-13 23:09:59,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:09:59,159 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:59,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:09:59,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:09:59,160 INFO L87 Difference]: Start difference. First operand 424 states and 503 transitions. Second operand 3 states. [2019-10-13 23:09:59,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:59,239 INFO L93 Difference]: Finished difference Result 676 states and 794 transitions. [2019-10-13 23:09:59,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:09:59,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-13 23:09:59,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:59,258 INFO L225 Difference]: With dead ends: 676 [2019-10-13 23:09:59,259 INFO L226 Difference]: Without dead ends: 426 [2019-10-13 23:09:59,264 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 [2019-10-13 23:09:59,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2019-10-13 23:09:59,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2019-10-13 23:09:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-13 23:09:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 505 transitions. [2019-10-13 23:09:59,318 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 505 transitions. Word has length 153 [2019-10-13 23:09:59,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:59,322 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 505 transitions. [2019-10-13 23:09:59,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:09:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 505 transitions. [2019-10-13 23:09:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-13 23:09:59,339 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:59,340 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:59,340 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:59,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:59,341 INFO L82 PathProgramCache]: Analyzing trace with hash -306447211, now seen corresponding path program 1 times [2019-10-13 23:09:59,341 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:59,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182409735] [2019-10-13 23:09:59,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:59,343 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:59,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:59,726 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:09:59,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182409735] [2019-10-13 23:09:59,727 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:59,727 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:09:59,727 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920782153] [2019-10-13 23:09:59,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:09:59,729 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:59,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:09:59,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:09:59,730 INFO L87 Difference]: Start difference. First operand 426 states and 505 transitions. Second operand 3 states. [2019-10-13 23:09:59,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:59,784 INFO L93 Difference]: Finished difference Result 836 states and 1020 transitions. [2019-10-13 23:09:59,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:09:59,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-13 23:09:59,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:59,792 INFO L225 Difference]: With dead ends: 836 [2019-10-13 23:09:59,792 INFO L226 Difference]: Without dead ends: 468 [2019-10-13 23:09:59,794 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 [2019-10-13 23:09:59,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2019-10-13 23:09:59,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 467. [2019-10-13 23:09:59,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-10-13 23:09:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 576 transitions. [2019-10-13 23:09:59,832 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 576 transitions. Word has length 165 [2019-10-13 23:09:59,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:59,833 INFO L462 AbstractCegarLoop]: Abstraction has 467 states and 576 transitions. [2019-10-13 23:09:59,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:09:59,833 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 576 transitions. [2019-10-13 23:09:59,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-13 23:09:59,840 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:59,840 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:59,841 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:59,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:59,844 INFO L82 PathProgramCache]: Analyzing trace with hash 463308901, now seen corresponding path program 1 times [2019-10-13 23:09:59,844 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:59,845 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654906497] [2019-10-13 23:09:59,845 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:59,845 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:59,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:00,485 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 23:10:00,485 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654906497] [2019-10-13 23:10:00,486 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:00,486 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-13 23:10:00,486 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158303160] [2019-10-13 23:10:00,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-13 23:10:00,488 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:00,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-13 23:10:00,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2019-10-13 23:10:00,489 INFO L87 Difference]: Start difference. First operand 467 states and 576 transitions. Second operand 25 states. [2019-10-13 23:10:14,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:14,378 INFO L93 Difference]: Finished difference Result 1343 states and 1597 transitions. [2019-10-13 23:10:14,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2019-10-13 23:10:14,379 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 166 [2019-10-13 23:10:14,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:14,386 INFO L225 Difference]: With dead ends: 1343 [2019-10-13 23:10:14,387 INFO L226 Difference]: Without dead ends: 969 [2019-10-13 23:10:14,389 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=381, Invalid=2811, Unknown=0, NotChecked=0, Total=3192 [2019-10-13 23:10:14,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2019-10-13 23:10:14,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 959. [2019-10-13 23:10:14,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2019-10-13 23:10:14,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1136 transitions. [2019-10-13 23:10:14,446 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1136 transitions. Word has length 166 [2019-10-13 23:10:14,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:14,447 INFO L462 AbstractCegarLoop]: Abstraction has 959 states and 1136 transitions. [2019-10-13 23:10:14,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-13 23:10:14,447 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1136 transitions. [2019-10-13 23:10:14,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-13 23:10:14,451 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:14,451 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:10:14,452 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:14,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:14,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1343406568, now seen corresponding path program 1 times [2019-10-13 23:10:14,452 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:14,453 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581622684] [2019-10-13 23:10:14,453 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:14,453 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:14,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 23:10:15,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581622684] [2019-10-13 23:10:15,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709675721] [2019-10-13 23:10:15,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:10:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:16,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 2925 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:10:16,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:10:16,475 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:10:16,475 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:10:16,759 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:10:16,759 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1856238377] [2019-10-13 23:10:16,790 INFO L162 IcfgInterpreter]: Started Sifa with 155 locations of interest [2019-10-13 23:10:16,790 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:10:16,797 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:10:16,804 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:10:16,805 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs