/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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:20:43,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:20:43,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:20:43,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:20:43,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:20:43,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:20:43,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:20:43,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:20:43,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:20:43,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:20:43,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:20:43,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:20:43,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:20:43,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:20:43,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:20:43,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:20:43,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:20:43,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:20:43,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:20:43,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:20:43,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:20:43,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:20:43,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:20:43,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:20:43,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:20:43,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:20:43,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:20:43,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:20:43,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:20:43,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:20:43,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:20:43,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:20:43,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:20:43,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:20:43,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:20:43,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:20:43,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:20:43,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:20:43,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:20:43,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:20:43,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:20:43,352 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 04:20:43,372 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:20:43,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:20:43,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:20:43,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:20:43,376 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:20:43,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:20:43,376 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:20:43,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:20:43,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:20:43,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:20:43,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:20:43,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:20:43,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:20:43,379 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:20:43,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:20:43,379 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:20:43,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:20:43,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:20:43,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:20:43,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:20:43,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:20:43,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:20:43,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:20:43,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:20:43,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:20:43,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:20:43,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:20:43,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:20:43,382 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 04:20:43,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:20:43,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:20:43,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:20:43,677 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:20:43,677 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:20:43,678 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product29.cil.c [2019-11-07 04:20:43,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/359d35075/f81d99b5d9f845b295ffdad19d73ef52/FLAGa11772bd4 [2019-11-07 04:20:44,390 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:20:44,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product29.cil.c [2019-11-07 04:20:44,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/359d35075/f81d99b5d9f845b295ffdad19d73ef52/FLAGa11772bd4 [2019-11-07 04:20:44,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/359d35075/f81d99b5d9f845b295ffdad19d73ef52 [2019-11-07 04:20:44,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:20:44,639 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:20:44,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:20:44,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:20:44,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:20:44,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:20:44" (1/1) ... [2019-11-07 04:20:44,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58706db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:44, skipping insertion in model container [2019-11-07 04:20:44,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:20:44" (1/1) ... [2019-11-07 04:20:44,672 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:20:44,771 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:20:45,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:20:45,553 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:20:45,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:20:45,743 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:20:45,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:45 WrapperNode [2019-11-07 04:20:45,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:20:45,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:20:45,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:20:45,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:20:45,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:45" (1/1) ... [2019-11-07 04:20:45,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:45" (1/1) ... [2019-11-07 04:20:45,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:45" (1/1) ... [2019-11-07 04:20:45,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:45" (1/1) ... [2019-11-07 04:20:45,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:45" (1/1) ... [2019-11-07 04:20:45,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:45" (1/1) ... [2019-11-07 04:20:45,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:45" (1/1) ... [2019-11-07 04:20:45,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:20:45,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:20:45,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:20:45,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:20:45,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:45" (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 04:20:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:20:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:20:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:20:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:20:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:20:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:20:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:20:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:20:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:20:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:20:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:20:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:20:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:20:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:20:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:20:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:20:46,046 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:20:46,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:20:46,046 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:20:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:20:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:20:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:20:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:20:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:20:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:20:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:20:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:20:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:20:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:20:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:20:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:20:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:20:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:20:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:20:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:20:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:20:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:20:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:20:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:20:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:20:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:20:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:20:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:20:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:20:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:20:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:20:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:20:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:20:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:20:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:20:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:20:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:20:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:20:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:20:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:20:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:20:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:20:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:20:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:20:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:20:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:20:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:20:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:20:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:20:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:20:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:20:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:20:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:20:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:20:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:20:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:20:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:20:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:20:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:20:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:20:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:20:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:20:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:20:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:20:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:20:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:20:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:20:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:20:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:20:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:20:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:20:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-07 04:20:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-07 04:20:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:20:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:20:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:20:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:20:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:20:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:20:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:20:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:20:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-07 04:20:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-07 04:20:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:20:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:20:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:20:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:20:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:20:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:20:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:20:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:20:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:20:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:20:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:20:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:20:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:20:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:20:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:20:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:20:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-11-07 04:20:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-11-07 04:20:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:20:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:20:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:20:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:20:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:20:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:20:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:20:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:20:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:20:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:20:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:20:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:20:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:20:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:20:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:20:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:20:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:20:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:20:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:20:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:20:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:20:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:20:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:20:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:20:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:20:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:20:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:20:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:20:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:20:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:20:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:20:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:20:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:20:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:20:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:20:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:20:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:20:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:20:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:20:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:20:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:20:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:20:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:20:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:20:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:20:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:20:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:20:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:20:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:20:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:20:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:20:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:20:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:20:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:20:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:20:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:20:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:20:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:20:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:20:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:20:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:20:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:20:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:20:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:20:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:20:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:20:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:20:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:20:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:20:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:20:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:20:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:20:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:20:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:20:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:20:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:20:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:20:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:20:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:20:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:20:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:20:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:20:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:20:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:20:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:20:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:20:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:20:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:20:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:20:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:20:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:20:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:20:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:20:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:20:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:20:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:20:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:20:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:20:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:20:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:20:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:20:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:20:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:20:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:20:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:20:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:20:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:20:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:20:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-07 04:20:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-07 04:20:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:20:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:20:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:20:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:20:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:20:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:20:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:20:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:20:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:20:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:20:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:20:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-11-07 04:20:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:20:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-07 04:20:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-07 04:20:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:20:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:20:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-11-07 04:20:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:20:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:20:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:20:51,146 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:20:51,147 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:20:51,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:20:51 BoogieIcfgContainer [2019-11-07 04:20:51,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:20:51,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:20:51,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:20:51,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:20:51,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:20:44" (1/3) ... [2019-11-07 04:20:51,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98c4bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:20:51, skipping insertion in model container [2019-11-07 04:20:51,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:45" (2/3) ... [2019-11-07 04:20:51,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98c4bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:20:51, skipping insertion in model container [2019-11-07 04:20:51,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:20:51" (3/3) ... [2019-11-07 04:20:51,156 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product29.cil.c [2019-11-07 04:20:51,166 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:20:51,176 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:20:51,188 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:20:51,217 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:20:51,218 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:20:51,218 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:20:51,218 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:20:51,218 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:20:51,218 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:20:51,218 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:20:51,219 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:20:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states. [2019-11-07 04:20:51,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-07 04:20:51,273 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:51,278 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:51,280 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:51,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:51,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1700002007, now seen corresponding path program 1 times [2019-11-07 04:20:51,300 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:51,300 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095645135] [2019-11-07 04:20:51,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:20:51,908 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095645135] [2019-11-07 04:20:51,908 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:51,909 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:20:51,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891431462] [2019-11-07 04:20:51,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:20:51,916 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:51,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:20:51,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:20:51,933 INFO L87 Difference]: Start difference. First operand 429 states. Second operand 2 states. [2019-11-07 04:20:52,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:52,004 INFO L93 Difference]: Finished difference Result 605 states and 734 transitions. [2019-11-07 04:20:52,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:20:52,006 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-11-07 04:20:52,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:52,025 INFO L225 Difference]: With dead ends: 605 [2019-11-07 04:20:52,025 INFO L226 Difference]: Without dead ends: 381 [2019-11-07 04:20:52,032 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 04:20:52,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2019-11-07 04:20:52,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2019-11-07 04:20:52,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-11-07 04:20:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 455 transitions. [2019-11-07 04:20:52,119 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 455 transitions. Word has length 159 [2019-11-07 04:20:52,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:52,122 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 455 transitions. [2019-11-07 04:20:52,122 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:20:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 455 transitions. [2019-11-07 04:20:52,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-07 04:20:52,129 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:52,129 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:52,129 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:52,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:52,130 INFO L82 PathProgramCache]: Analyzing trace with hash 939346425, now seen corresponding path program 1 times [2019-11-07 04:20:52,130 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:52,130 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814765112] [2019-11-07 04:20:52,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:52,497 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:20:52,498 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814765112] [2019-11-07 04:20:52,498 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:52,498 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:20:52,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534513568] [2019-11-07 04:20:52,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:20:52,504 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:52,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:20:52,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:20:52,504 INFO L87 Difference]: Start difference. First operand 381 states and 455 transitions. Second operand 3 states. [2019-11-07 04:20:52,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:52,576 INFO L93 Difference]: Finished difference Result 590 states and 697 transitions. [2019-11-07 04:20:52,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:20:52,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-11-07 04:20:52,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:52,588 INFO L225 Difference]: With dead ends: 590 [2019-11-07 04:20:52,588 INFO L226 Difference]: Without dead ends: 383 [2019-11-07 04:20:52,593 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 04:20:52,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2019-11-07 04:20:52,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2019-11-07 04:20:52,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-11-07 04:20:52,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 457 transitions. [2019-11-07 04:20:52,637 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 457 transitions. Word has length 160 [2019-11-07 04:20:52,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:52,638 INFO L462 AbstractCegarLoop]: Abstraction has 383 states and 457 transitions. [2019-11-07 04:20:52,638 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:20:52,638 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 457 transitions. [2019-11-07 04:20:52,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-07 04:20:52,642 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:52,642 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:52,642 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:52,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:52,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1281197486, now seen corresponding path program 1 times [2019-11-07 04:20:52,643 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:52,643 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709944937] [2019-11-07 04:20:52,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:20:52,798 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709944937] [2019-11-07 04:20:52,798 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:52,798 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:20:52,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895502782] [2019-11-07 04:20:52,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:20:52,800 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:52,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:20:52,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:20:52,800 INFO L87 Difference]: Start difference. First operand 383 states and 457 transitions. Second operand 3 states. [2019-11-07 04:20:52,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:52,869 INFO L93 Difference]: Finished difference Result 748 states and 921 transitions. [2019-11-07 04:20:52,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:20:52,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-11-07 04:20:52,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:52,880 INFO L225 Difference]: With dead ends: 748 [2019-11-07 04:20:52,881 INFO L226 Difference]: Without dead ends: 423 [2019-11-07 04:20:52,885 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 04:20:52,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-11-07 04:20:52,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 422. [2019-11-07 04:20:52,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-11-07 04:20:52,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 525 transitions. [2019-11-07 04:20:52,951 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 525 transitions. Word has length 165 [2019-11-07 04:20:52,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:52,951 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 525 transitions. [2019-11-07 04:20:52,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:20:52,951 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 525 transitions. [2019-11-07 04:20:52,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-07 04:20:52,961 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:52,962 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:52,962 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:52,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:52,963 INFO L82 PathProgramCache]: Analyzing trace with hash -2141300424, now seen corresponding path program 1 times [2019-11-07 04:20:52,964 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:52,965 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538022309] [2019-11-07 04:20:52,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:20:53,884 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538022309] [2019-11-07 04:20:53,884 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:53,884 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-11-07 04:20:53,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735070779] [2019-11-07 04:20:53,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-11-07 04:20:53,885 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:53,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-11-07 04:20:53,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-11-07 04:20:53,887 INFO L87 Difference]: Start difference. First operand 422 states and 525 transitions. Second operand 27 states. [2019-11-07 04:21:08,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:21:08,712 INFO L93 Difference]: Finished difference Result 1149 states and 1402 transitions. [2019-11-07 04:21:08,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-11-07 04:21:08,713 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 166 [2019-11-07 04:21:08,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:21:08,721 INFO L225 Difference]: With dead ends: 1149 [2019-11-07 04:21:08,722 INFO L226 Difference]: Without dead ends: 942 [2019-11-07 04:21:08,725 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=434, Invalid=3472, Unknown=0, NotChecked=0, Total=3906 [2019-11-07 04:21:08,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2019-11-07 04:21:08,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 931. [2019-11-07 04:21:08,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2019-11-07 04:21:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1129 transitions. [2019-11-07 04:21:08,811 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1129 transitions. Word has length 166 [2019-11-07 04:21:08,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:21:08,812 INFO L462 AbstractCegarLoop]: Abstraction has 931 states and 1129 transitions. [2019-11-07 04:21:08,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-11-07 04:21:08,813 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1129 transitions. [2019-11-07 04:21:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-07 04:21:08,817 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:21:08,818 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:21:08,818 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:21:08,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:21:08,818 INFO L82 PathProgramCache]: Analyzing trace with hash 84209948, now seen corresponding path program 1 times [2019-11-07 04:21:08,819 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:21:08,819 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334217300] [2019-11-07 04:21:08,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:21:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:21:09,943 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-07 04:21:09,943 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334217300] [2019-11-07 04:21:09,944 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995486953] [2019-11-07 04:21:09,944 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 04:21:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:21:10,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 2917 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:21:10,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:21:10,823 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:21:10,824 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:21:11,103 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:21:11,103 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1109836920] [2019-11-07 04:21:11,136 INFO L159 IcfgInterpreter]: Started Sifa with 155 locations of interest [2019-11-07 04:21:11,136 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:21:11,144 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:21:11,151 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:21:11,151 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs