/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec3_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:20:13,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:20:13,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:20:13,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:20:13,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:20:13,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:20:13,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:20:13,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:20:13,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:20:13,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:20:13,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:20:13,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:20:13,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:20:13,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:20:13,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:20:13,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:20:13,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:20:13,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:20:13,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:20:13,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:20:13,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:20:13,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:20:13,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:20:13,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:20:13,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:20:13,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:20:13,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:20:13,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:20:13,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:20:13,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:20:13,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:20:13,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:20:13,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:20:13,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:20:13,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:20:13,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:20:13,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:20:13,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:20:13,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:20:13,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:20:13,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:20:13,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 04:20:13,847 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:20:13,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:20:13,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:20:13,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:20:13,850 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:20:13,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:20:13,850 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:20:13,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:20:13,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:20:13,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:20:13,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:20:13,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:20:13,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:20:13,852 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:20:13,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:20:13,852 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:20:13,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:20:13,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:20:13,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:20:13,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:20:13,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:20:13,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:20:13,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:20:13,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:20:13,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:20:13,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:20:13,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:20:13,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:20:13,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:20:14,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:20:14,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:20:14,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:20:14,175 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:20:14,175 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:20:14,176 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product24.cil.c [2019-11-07 04:20:14,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d6552aac/3983f8d5383c44d79d6cd49564b7b74e/FLAG77f48be1f [2019-11-07 04:20:14,917 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:20:14,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product24.cil.c [2019-11-07 04:20:14,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d6552aac/3983f8d5383c44d79d6cd49564b7b74e/FLAG77f48be1f [2019-11-07 04:20:15,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d6552aac/3983f8d5383c44d79d6cd49564b7b74e [2019-11-07 04:20:15,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:20:15,102 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:20:15,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:20:15,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:20:15,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:20:15,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:20:15" (1/1) ... [2019-11-07 04:20:15,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244b71ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:15, skipping insertion in model container [2019-11-07 04:20:15,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:20:15" (1/1) ... [2019-11-07 04:20:15,119 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:20:15,212 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:20:15,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:20:16,010 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:20:16,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:20:16,265 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:20:16,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:16 WrapperNode [2019-11-07 04:20:16,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:20:16,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:20:16,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:20:16,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:20:16,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:16" (1/1) ... [2019-11-07 04:20:16,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:16" (1/1) ... [2019-11-07 04:20:16,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:16" (1/1) ... [2019-11-07 04:20:16,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:16" (1/1) ... [2019-11-07 04:20:16,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:16" (1/1) ... [2019-11-07 04:20:16,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:16" (1/1) ... [2019-11-07 04:20:16,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:16" (1/1) ... [2019-11-07 04:20:16,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:20:16,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:20:16,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:20:16,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:20:16,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:20:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:20:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:20:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:20:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:20:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:20:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:20:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:20:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:20:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:20:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:20:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:20:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:20:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:20:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:20:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:20:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:20:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:20:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:20:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:20:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:20:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:20:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:20:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:20:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:20:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:20:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:20:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:20:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:20:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-11-07 04:20:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-11-07 04:20:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:20:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:20:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:20:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:20:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:20:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:20:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:20:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:20:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:20:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:20:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:20:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:20:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:20:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:20:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:20:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:20:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:20:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:20:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:20:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:20:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:20:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:20:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:20:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:20:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:20:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:20:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:20:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:20:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:20:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:20:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:20:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:20:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:20:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:20:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:20:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:20:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:20:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:20:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:20:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:20:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:20:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:20:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:20:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:20:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:20:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:20:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:20:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:20:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:20:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:20:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:20:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:20:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:20:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:20:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:20:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:20:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:20:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:20:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:20:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-11-07 04:20:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:20:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-07 04:20:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:20:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:20:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:20:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:20:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:20:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:20:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:20:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:20:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:20:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:20:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:20:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:20:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:20:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:20:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:20:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:20:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:20:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:20:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:20:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:20:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:20:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-11-07 04:20:16,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-11-07 04:20:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:20:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:20:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:20:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:20:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:20:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:20:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:20:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:20:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:20:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:20:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:20:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:20:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:20:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:20:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:20:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:20:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:20:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:20:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:20:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:20:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:20:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:20:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:20:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:20:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:20:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:20:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:20:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:20:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:20:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:20:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:20:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:20:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:20:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:20:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:20:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:20:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:20:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:20:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:20:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:20:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:20:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:20:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:20:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:20:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:20:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:20:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:20:16,548 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:20:16,548 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:20:16,548 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:20:16,548 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:20:16,548 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:20:16,548 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:20:16,548 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:20:16,549 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:20:16,549 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:20:16,549 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:20:16,549 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:20:16,549 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-11-07 04:20:16,549 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-11-07 04:20:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:20:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:20:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:20:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:20:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:20:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:20:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:20:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:20:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:20:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:20:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:20:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:20:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:20:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:20:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:20:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:20:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:20:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:20:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:20:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:20:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:20:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:20:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:20:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:20:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:20:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:20:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:20:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:20:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:20:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:20:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:20:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:20:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:20:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:20:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:20:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:20:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:20:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:20:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:20:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:20:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:20:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:20:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:20:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-11-07 04:20:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:20:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-11-07 04:20:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:20:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-07 04:20:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-11-07 04:20:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:20:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:20:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:20:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:20:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:20:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:20:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:20:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:20:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:20:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:20:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:20:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:20:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:20:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:20:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:20:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:20:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:20:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:20:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:20:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:20:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:20:21,363 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:20:21,365 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:20:21,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:20:21 BoogieIcfgContainer [2019-11-07 04:20:21,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:20:21,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:20:21,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:20:21,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:20:21,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:20:15" (1/3) ... [2019-11-07 04:20:21,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a6e682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:20:21, skipping insertion in model container [2019-11-07 04:20:21,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:16" (2/3) ... [2019-11-07 04:20:21,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a6e682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:20:21, skipping insertion in model container [2019-11-07 04:20:21,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:20:21" (3/3) ... [2019-11-07 04:20:21,383 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product24.cil.c [2019-11-07 04:20:21,396 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:20:21,408 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:20:21,419 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:20:21,461 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:20:21,461 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:20:21,461 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:20:21,462 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:20:21,462 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:20:21,462 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:20:21,462 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:20:21,462 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:20:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states. [2019-11-07 04:20:21,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-07 04:20:21,511 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:21,513 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:21,516 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:21,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:21,522 INFO L82 PathProgramCache]: Analyzing trace with hash 970440921, now seen corresponding path program 1 times [2019-11-07 04:20:21,530 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:21,530 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013749237] [2019-11-07 04:20:21,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:22,192 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:20:22,193 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013749237] [2019-11-07 04:20:22,194 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:22,195 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:20:22,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740782238] [2019-11-07 04:20:22,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:20:22,206 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:22,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:20:22,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:20:22,226 INFO L87 Difference]: Start difference. First operand 394 states. Second operand 2 states. [2019-11-07 04:20:22,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:22,337 INFO L93 Difference]: Finished difference Result 589 states and 696 transitions. [2019-11-07 04:20:22,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:20:22,339 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 134 [2019-11-07 04:20:22,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:22,377 INFO L225 Difference]: With dead ends: 589 [2019-11-07 04:20:22,377 INFO L226 Difference]: Without dead ends: 373 [2019-11-07 04:20:22,388 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:20:22,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2019-11-07 04:20:22,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2019-11-07 04:20:22,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-11-07 04:20:22,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 438 transitions. [2019-11-07 04:20:22,485 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 438 transitions. Word has length 134 [2019-11-07 04:20:22,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:22,488 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 438 transitions. [2019-11-07 04:20:22,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:20:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 438 transitions. [2019-11-07 04:20:22,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-07 04:20:22,494 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:22,494 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:22,494 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:22,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:22,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1399670417, now seen corresponding path program 1 times [2019-11-07 04:20:22,495 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:22,495 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142388185] [2019-11-07 04:20:22,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:20:22,690 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142388185] [2019-11-07 04:20:22,690 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:22,690 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:20:22,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073752346] [2019-11-07 04:20:22,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:20:22,693 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:22,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:20:22,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:20:22,693 INFO L87 Difference]: Start difference. First operand 373 states and 438 transitions. Second operand 3 states. [2019-11-07 04:20:22,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:22,737 INFO L93 Difference]: Finished difference Result 574 states and 664 transitions. [2019-11-07 04:20:22,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:20:22,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-11-07 04:20:22,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:22,742 INFO L225 Difference]: With dead ends: 574 [2019-11-07 04:20:22,742 INFO L226 Difference]: Without dead ends: 375 [2019-11-07 04:20:22,744 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:20:22,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2019-11-07 04:20:22,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2019-11-07 04:20:22,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-11-07 04:20:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 440 transitions. [2019-11-07 04:20:22,774 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 440 transitions. Word has length 135 [2019-11-07 04:20:22,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:22,775 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 440 transitions. [2019-11-07 04:20:22,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:20:22,775 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 440 transitions. [2019-11-07 04:20:22,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-07 04:20:22,779 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:22,780 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:22,780 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:22,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:22,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1193405091, now seen corresponding path program 1 times [2019-11-07 04:20:22,781 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:22,781 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180220255] [2019-11-07 04:20:22,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:20:23,056 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180220255] [2019-11-07 04:20:23,056 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:23,057 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:20:23,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089151947] [2019-11-07 04:20:23,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:20:23,059 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:23,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:20:23,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:20:23,060 INFO L87 Difference]: Start difference. First operand 375 states and 440 transitions. Second operand 3 states. [2019-11-07 04:20:23,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:23,117 INFO L93 Difference]: Finished difference Result 734 states and 890 transitions. [2019-11-07 04:20:23,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:20:23,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-11-07 04:20:23,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:23,127 INFO L225 Difference]: With dead ends: 734 [2019-11-07 04:20:23,127 INFO L226 Difference]: Without dead ends: 417 [2019-11-07 04:20:23,129 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:20:23,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-11-07 04:20:23,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 416. [2019-11-07 04:20:23,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2019-11-07 04:20:23,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 511 transitions. [2019-11-07 04:20:23,176 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 511 transitions. Word has length 147 [2019-11-07 04:20:23,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:23,176 INFO L462 AbstractCegarLoop]: Abstraction has 416 states and 511 transitions. [2019-11-07 04:20:23,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:20:23,177 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 511 transitions. [2019-11-07 04:20:23,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-07 04:20:23,180 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:23,181 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:23,181 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:23,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:23,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1452090985, now seen corresponding path program 1 times [2019-11-07 04:20:23,182 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:23,182 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639373901] [2019-11-07 04:20:23,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:20:23,715 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639373901] [2019-11-07 04:20:23,715 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:23,715 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-11-07 04:20:23,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261170338] [2019-11-07 04:20:23,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-07 04:20:23,716 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:23,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-07 04:20:23,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2019-11-07 04:20:23,717 INFO L87 Difference]: Start difference. First operand 416 states and 511 transitions. Second operand 23 states. [2019-11-07 04:20:35,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:35,850 INFO L93 Difference]: Finished difference Result 1099 states and 1288 transitions. [2019-11-07 04:20:35,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-11-07 04:20:35,851 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 148 [2019-11-07 04:20:35,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:35,859 INFO L225 Difference]: With dead ends: 1099 [2019-11-07 04:20:35,859 INFO L226 Difference]: Without dead ends: 797 [2019-11-07 04:20:35,862 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=351, Invalid=2405, Unknown=0, NotChecked=0, Total=2756 [2019-11-07 04:20:35,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2019-11-07 04:20:35,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 787. [2019-11-07 04:20:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2019-11-07 04:20:35,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 922 transitions. [2019-11-07 04:20:35,935 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 922 transitions. Word has length 148 [2019-11-07 04:20:35,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:35,937 INFO L462 AbstractCegarLoop]: Abstraction has 787 states and 922 transitions. [2019-11-07 04:20:35,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-07 04:20:35,938 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 922 transitions. [2019-11-07 04:20:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-07 04:20:35,942 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:35,943 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:35,943 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:35,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:35,943 INFO L82 PathProgramCache]: Analyzing trace with hash 791819697, now seen corresponding path program 1 times [2019-11-07 04:20:35,944 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:35,944 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037357518] [2019-11-07 04:20:35,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:36,175 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:20:36,176 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037357518] [2019-11-07 04:20:36,177 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056934115] [2019-11-07 04:20:36,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:20:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:37,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 2616 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:20:37,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:20:37,131 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:20:37,131 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:20:37,364 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:20:37,365 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1569549835] [2019-11-07 04:20:37,402 INFO L159 IcfgInterpreter]: Started Sifa with 143 locations of interest [2019-11-07 04:20:37,402 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:20:37,413 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:20:37,419 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:20:37,420 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs