java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:44:14,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:44:14,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:44:14,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:44:14,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:44:14,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:44:14,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:44:14,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:44:14,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:44:14,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:44:14,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:44:14,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:44:14,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:44:14,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:44:14,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:44:14,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:44:14,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:44:14,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:44:14,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:44:14,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:44:14,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:44:14,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:44:14,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:44:14,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:44:14,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:44:14,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:44:14,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:44:14,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:44:14,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:44:14,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:44:14,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:44:14,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:44:14,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:44:14,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:44:14,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:44:14,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:44:14,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:44:14,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:44:14,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:44:14,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:44:14,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:44:14,783 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 [2019-10-07 14:44:14,797 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:44:14,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:44:14,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:44:14,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:44:14,799 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:44:14,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:44:14,800 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:44:14,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:44:14,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:44:14,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:44:14,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:44:14,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:44:14,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:44:14,801 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:44:14,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:44:14,801 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:44:14,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:44:14,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:44:14,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:44:14,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:44:14,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:44:14,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:44:14,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:44:14,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:44:14,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:44:14,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:44:14,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:44:14,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:44:14,804 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 [2019-10-07 14:44:15,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:44:15,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:44:15,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:44:15,114 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:44:15,115 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:44:15,116 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product20.cil.c [2019-10-07 14:44:15,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37fa24a5e/46beb9719e0641c08f5f949b29617ce8/FLAG482403a91 [2019-10-07 14:44:15,794 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:44:15,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product20.cil.c [2019-10-07 14:44:15,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37fa24a5e/46beb9719e0641c08f5f949b29617ce8/FLAG482403a91 [2019-10-07 14:44:16,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37fa24a5e/46beb9719e0641c08f5f949b29617ce8 [2019-10-07 14:44:16,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:44:16,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:44:16,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:44:16,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:44:16,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:44:16,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:44:16" (1/1) ... [2019-10-07 14:44:16,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f33695a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:16, skipping insertion in model container [2019-10-07 14:44:16,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:44:16" (1/1) ... [2019-10-07 14:44:16,043 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:44:16,123 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:44:16,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:44:16,806 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:44:16,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:44:17,085 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:44:17,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:17 WrapperNode [2019-10-07 14:44:17,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:44:17,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:44:17,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:44:17,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:44:17,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:17" (1/1) ... [2019-10-07 14:44:17,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:17" (1/1) ... [2019-10-07 14:44:17,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:17" (1/1) ... [2019-10-07 14:44:17,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:17" (1/1) ... [2019-10-07 14:44:17,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:17" (1/1) ... [2019-10-07 14:44:17,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:17" (1/1) ... [2019-10-07 14:44:17,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:17" (1/1) ... [2019-10-07 14:44:17,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:44:17,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:44:17,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:44:17,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:44:17,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:17" (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 [2019-10-07 14:44:17,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:44:17,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:44:17,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:44:17,317 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:44:17,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:44:17,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:44:17,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:44:17,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:44:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:44:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:44:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:44:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:44:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:44:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:44:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:44:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:44:17,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:44:17,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:44:17,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:44:17,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:44:17,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:44:17,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:44:17,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:44:17,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:44:17,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:44:17,326 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:44:17,326 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:44:17,326 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:44:17,326 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:44:17,326 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:44:17,326 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-07 14:44:17,327 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:44:17,327 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:44:17,327 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:44:17,328 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:44:17,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:44:17,328 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:44:17,328 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:44:17,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:44:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:44:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:44:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:44:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:44:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:44:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:44:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:44:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:44:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:44:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:44:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:44:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:44:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:44:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:44:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:44:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:44:17,332 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:44:17,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:44:17,332 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:44:17,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:44:17,333 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:44:17,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:44:17,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:44:17,333 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:44:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:44:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:44:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:44:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:44:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:44:17,335 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:44:17,335 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:44:17,335 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:44:17,335 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:44:17,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:44:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:44:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:44:17,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:44:17,337 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:44:17,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:44:17,338 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:44:17,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:44:17,338 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:44:17,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:44:17,339 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:44:17,340 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:44:17,340 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:44:17,340 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:44:17,340 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:44:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:44:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:44:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:44:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:44:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:44:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:44:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:44:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:44:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:44:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:44:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:44:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:44:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:44:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:44:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:44:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:44:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:44:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:44:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:44:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:44:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:44:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:44:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:44:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:44:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:44:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:44:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:44:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:44:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:44:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:44:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:44:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:44:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:44:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:44:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:44:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:44:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:44:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:44:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:44:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:44:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:44:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:44:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:44:17,350 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:44:17,350 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:44:17,350 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:44:17,351 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:44:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:44:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:44:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:44:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:44:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:44:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:44:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:44:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:44:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:44:17,358 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:44:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:44:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:44:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:44:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:44:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:44:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:44:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:44:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:44:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:44:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:44:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:44:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:44:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:44:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:44:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:44:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:44:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:44:17,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:44:17,369 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:44:17,369 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:44:17,369 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:44:17,369 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-07 14:44:17,369 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:44:17,369 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:44:17,369 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:44:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:44:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:44:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:44:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:44:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:44:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:44:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:44:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:44:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:44:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:44:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:44:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:44:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:44:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:44:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:44:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:44:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:44:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:44:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:44:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:44:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:44:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:44:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:44:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:44:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:44:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:44:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:44:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:44:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:44:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:44:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:44:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:44:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:44:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:44:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:44:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:44:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:44:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:44:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:44:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:44:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:44:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:44:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:44:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:44:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:44:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:44:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:44:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:44:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:44:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:44:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:44:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:44:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:44:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:44:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:44:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:44:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:44:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:44:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:44:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:44:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:44:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:44:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:44:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:44:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:44:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:44:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:44:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:44:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:44:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:44:21,901 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:44:21,902 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:44:21,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:44:21 BoogieIcfgContainer [2019-10-07 14:44:21,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:44:21,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:44:21,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:44:21,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:44:21,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:44:16" (1/3) ... [2019-10-07 14:44:21,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577bf762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:44:21, skipping insertion in model container [2019-10-07 14:44:21,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:17" (2/3) ... [2019-10-07 14:44:21,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577bf762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:44:21, skipping insertion in model container [2019-10-07 14:44:21,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:44:21" (3/3) ... [2019-10-07 14:44:21,913 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product20.cil.c [2019-10-07 14:44:21,923 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:44:21,933 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:44:21,945 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:44:21,976 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:44:21,976 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:44:21,976 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:44:21,976 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:44:21,977 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:44:21,977 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:44:21,977 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:44:21,977 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:44:22,007 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states. [2019-10-07 14:44:22,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-07 14:44:22,037 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:22,039 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:22,042 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:22,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:22,047 INFO L82 PathProgramCache]: Analyzing trace with hash -541190636, now seen corresponding path program 1 times [2019-10-07 14:44:22,054 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:22,054 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:22,058 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:22,058 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:22,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:22,795 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:22,796 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:22,796 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:44:22,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:44:22,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:44:22,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:44:22,816 INFO L87 Difference]: Start difference. First operand 386 states. Second operand 2 states. [2019-10-07 14:44:22,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:22,876 INFO L93 Difference]: Finished difference Result 512 states and 611 transitions. [2019-10-07 14:44:22,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:44:22,878 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 121 [2019-10-07 14:44:22,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:22,897 INFO L225 Difference]: With dead ends: 512 [2019-10-07 14:44:22,897 INFO L226 Difference]: Without dead ends: 338 [2019-10-07 14:44:22,903 INFO L606 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 [2019-10-07 14:44:22,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2019-10-07 14:44:22,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2019-10-07 14:44:22,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-10-07 14:44:22,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 400 transitions. [2019-10-07 14:44:22,986 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 400 transitions. Word has length 121 [2019-10-07 14:44:22,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:22,989 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 400 transitions. [2019-10-07 14:44:22,989 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:44:22,989 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 400 transitions. [2019-10-07 14:44:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-07 14:44:22,994 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:22,994 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:22,994 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:22,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:22,995 INFO L82 PathProgramCache]: Analyzing trace with hash 301029515, now seen corresponding path program 1 times [2019-10-07 14:44:22,995 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:22,995 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:22,995 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:22,996 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:22,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:23,202 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:23,202 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:23,203 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:23,203 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:23,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:23,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:23,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:23,211 INFO L87 Difference]: Start difference. First operand 338 states and 400 transitions. Second operand 3 states. [2019-10-07 14:44:23,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:23,281 INFO L93 Difference]: Finished difference Result 497 states and 580 transitions. [2019-10-07 14:44:23,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:23,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-07 14:44:23,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:23,287 INFO L225 Difference]: With dead ends: 497 [2019-10-07 14:44:23,287 INFO L226 Difference]: Without dead ends: 340 [2019-10-07 14:44:23,290 INFO L606 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 [2019-10-07 14:44:23,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2019-10-07 14:44:23,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2019-10-07 14:44:23,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-10-07 14:44:23,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 402 transitions. [2019-10-07 14:44:23,328 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 402 transitions. Word has length 122 [2019-10-07 14:44:23,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:23,328 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 402 transitions. [2019-10-07 14:44:23,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:23,329 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 402 transitions. [2019-10-07 14:44:23,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-07 14:44:23,332 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:23,332 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:23,332 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:23,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:23,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1663769370, now seen corresponding path program 1 times [2019-10-07 14:44:23,333 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:23,333 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:23,333 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:23,334 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:23,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:23,493 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:23,494 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:23,494 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:23,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:23,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:23,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:23,497 INFO L87 Difference]: Start difference. First operand 340 states and 402 transitions. Second operand 3 states. [2019-10-07 14:44:23,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:23,593 INFO L93 Difference]: Finished difference Result 664 states and 814 transitions. [2019-10-07 14:44:23,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:23,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-07 14:44:23,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:23,598 INFO L225 Difference]: With dead ends: 664 [2019-10-07 14:44:23,598 INFO L226 Difference]: Without dead ends: 382 [2019-10-07 14:44:23,600 INFO L606 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 [2019-10-07 14:44:23,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-10-07 14:44:23,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2019-10-07 14:44:23,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-10-07 14:44:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 473 transitions. [2019-10-07 14:44:23,628 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 473 transitions. Word has length 131 [2019-10-07 14:44:23,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:23,628 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 473 transitions. [2019-10-07 14:44:23,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:23,629 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 473 transitions. [2019-10-07 14:44:23,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 14:44:23,632 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:23,632 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:23,632 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:23,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:23,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1913197753, now seen corresponding path program 1 times [2019-10-07 14:44:23,633 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:23,633 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:23,633 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:23,634 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:23,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:23,789 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:23,790 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:23,790 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:23,790 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:23,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:23,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:23,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:23,791 INFO L87 Difference]: Start difference. First operand 381 states and 473 transitions. Second operand 3 states. [2019-10-07 14:44:23,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:23,821 INFO L93 Difference]: Finished difference Result 784 states and 1022 transitions. [2019-10-07 14:44:23,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:23,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-07 14:44:23,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:23,826 INFO L225 Difference]: With dead ends: 784 [2019-10-07 14:44:23,826 INFO L226 Difference]: Without dead ends: 461 [2019-10-07 14:44:23,828 INFO L606 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 [2019-10-07 14:44:23,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-10-07 14:44:23,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 460. [2019-10-07 14:44:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2019-10-07 14:44:23,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 609 transitions. [2019-10-07 14:44:23,868 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 609 transitions. Word has length 132 [2019-10-07 14:44:23,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:23,869 INFO L462 AbstractCegarLoop]: Abstraction has 460 states and 609 transitions. [2019-10-07 14:44:23,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:23,870 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 609 transitions. [2019-10-07 14:44:23,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 14:44:23,877 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:23,877 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:23,877 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:23,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:23,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1357052620, now seen corresponding path program 1 times [2019-10-07 14:44:23,878 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:23,878 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:23,878 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:23,878 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:23,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:24,135 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:24,136 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:24,136 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:44:24,136 INFO L95 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 [2019-10-07 14:44:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:24,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 2605 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:44:24,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:44:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:24,985 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:44:25,149 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:25,149 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:44:25,182 INFO L162 IcfgInterpreter]: Started Sifa with 124 locations of interest [2019-10-07 14:44:25,182 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:44:25,189 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:44:25,197 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:44:25,198 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:45:09,695 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-10-07 14:45:13,438 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 279 DAG size of output: 227 [2019-10-07 14:45:13,772 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 703 [2019-10-07 14:45:14,143 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 703 [2019-10-07 14:45:14,405 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 703 [2019-10-07 14:45:14,594 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:45:15,226 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 998 [2019-10-07 14:45:15,917 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 998 [2019-10-07 14:45:16,524 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 998 [2019-10-07 14:45:16,720 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:45:17,334 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 998 [2019-10-07 14:45:18,601 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1000 DAG size of output: 998 [2019-10-07 14:45:19,213 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 998 [2019-10-07 14:45:19,368 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:45:19,941 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 998 [2019-10-07 14:45:20,569 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 998 [2019-10-07 14:45:21,155 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 998 [2019-10-07 14:45:21,293 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:45:21,873 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 998 [2019-10-07 14:45:21,900 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 550 for LOIs [2019-10-07 14:45:22,349 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:45:22,476 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:45:22,606 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:45:23,049 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 931 [2019-10-07 14:45:23,051 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1047 for LOIs [2019-10-07 14:45:23,615 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:24,176 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:24,419 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:25,356 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:25,935 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:26,508 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:26,744 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:27,682 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:28,280 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:28,831 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:29,151 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:30,082 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:31,040 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 1240 DAG size of output: 1047 [2019-10-07 14:45:31,619 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:32,019 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:32,959 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:33,528 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:34,081 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:34,311 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:35,247 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:35,809 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:36,364 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:36,615 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:37,542 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:38,108 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:38,667 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:38,921 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:39,869 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:40,422 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:40,997 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:41,228 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:42,176 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:42,723 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:43,281 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:43,510 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:44,437 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:44,991 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:45,553 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:45,783 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:46,711 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:47,269 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:47,824 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:48,060 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:48,961 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:49,514 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:50,065 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:50,300 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:51,220 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:51,777 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:52,326 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:45:52,558 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:53,482 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:54,460 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:55,376 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:55,623 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:56,542 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:58,227 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1240 DAG size of output: 1238 [2019-10-07 14:45:59,153 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:45:59,397 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:00,319 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:01,232 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:02,148 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:02,378 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:03,295 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:04,267 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:05,194 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:05,432 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:06,357 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:07,305 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:08,240 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:08,480 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:09,401 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:10,337 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:11,259 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:11,495 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:12,424 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:13,356 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1240 [2019-10-07 14:46:14,283 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1240 [2019-10-07 14:46:14,520 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:15,453 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:16,394 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:17,322 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:17,571 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:18,506 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:46:21,254 WARN L191 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1240 DAG size of output: 1238 [2019-10-07 14:46:22,182 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:22,434 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:23,380 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:25,090 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1240 DAG size of output: 1238 [2019-10-07 14:46:26,036 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:26,316 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:27,247 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:28,195 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:29,125 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:29,360 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:30,282 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:32,945 WARN L191 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1240 DAG size of output: 1238 [2019-10-07 14:46:33,856 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:34,098 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:35,018 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:36,712 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1240 DAG size of output: 1238 [2019-10-07 14:46:37,627 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:37,870 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:38,986 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:39,906 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:40,826 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:41,054 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:41,967 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 14:46:42,911 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:43,849 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:44,094 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:45,008 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:45,940 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:46,852 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:47,094 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:47,993 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:48,906 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:49,809 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:50,040 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:50,939 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:52,567 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1242 [2019-10-07 14:46:53,480 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:53,744 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:54,647 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 14:46:56,299 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1244 [2019-10-07 14:46:57,198 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:46:57,441 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:58,346 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:46:58,618 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:46:58,619 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:46:58,626 INFO L168 Benchmark]: Toolchain (without parser) took 162604.67 ms. Allocated memory was 145.2 MB in the beginning and 856.7 MB in the end (delta: 711.5 MB). Free memory was 99.1 MB in the beginning and 632.0 MB in the end (delta: -532.9 MB). Peak memory consumption was 178.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:58,627 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:46:58,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1061.91 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 98.9 MB in the beginning and 138.8 MB in the end (delta: -39.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:58,628 INFO L168 Benchmark]: Boogie Preprocessor took 169.75 ms. Allocated memory is still 202.4 MB. Free memory was 138.8 MB in the beginning and 129.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:58,629 INFO L168 Benchmark]: RCFGBuilder took 4647.52 ms. Allocated memory was 202.4 MB in the beginning and 294.1 MB in the end (delta: 91.8 MB). Free memory was 129.8 MB in the beginning and 94.8 MB in the end (delta: 35.0 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:58,630 INFO L168 Benchmark]: TraceAbstraction took 156718.55 ms. Allocated memory was 294.1 MB in the beginning and 856.7 MB in the end (delta: 562.6 MB). Free memory was 94.8 MB in the beginning and 632.0 MB in the end (delta: -537.2 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:58,633 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1061.91 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 98.9 MB in the beginning and 138.8 MB in the end (delta: -39.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 169.75 ms. Allocated memory is still 202.4 MB. Free memory was 138.8 MB in the beginning and 129.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4647.52 ms. Allocated memory was 202.4 MB in the beginning and 294.1 MB in the end (delta: 91.8 MB). Free memory was 129.8 MB in the beginning and 94.8 MB in the end (delta: 35.0 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 156718.55 ms. Allocated memory was 294.1 MB in the beginning and 856.7 MB in the end (delta: 562.6 MB). Free memory was 94.8 MB in the beginning and 632.0 MB in the end (delta: -537.2 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...