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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:53:09,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:53:09,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:53:09,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:53:09,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:53:09,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:53:09,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:53:09,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:53:09,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:53:09,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:53:09,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:53:09,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:53:09,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:53:09,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:53:09,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:53:09,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:53:09,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:53:09,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:53:09,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:53:09,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:53:09,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:53:09,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:53:09,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:53:09,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:53:09,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:53:09,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:53:09,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:53:09,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:53:09,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:53:09,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:53:09,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:53:09,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:53:09,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:53:09,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:53:09,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:53:09,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:53:09,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:53:09,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:53:09,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:53:09,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:53:09,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:53:09,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:53:09,269 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:53:09,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:53:09,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:53:09,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:53:09,271 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:53:09,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:53:09,271 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:53:09,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:53:09,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:53:09,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:53:09,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:53:09,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:53:09,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:53:09,273 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:53:09,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:53:09,273 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:53:09,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:53:09,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:53:09,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:53:09,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:53:09,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:53:09,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:53:09,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:53:09,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:53:09,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:53:09,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:53:09,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:53:09,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:53:09,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:53:09,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:53:09,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:53:09,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:53:09,662 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:53:09,663 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:53:09,663 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product25.cil.c [2019-10-07 14:53:09,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1658ef46c/bca65b4454634b8bab36390a29c2e9c8/FLAGe3e53048b [2019-10-07 14:53:10,351 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:53:10,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product25.cil.c [2019-10-07 14:53:10,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1658ef46c/bca65b4454634b8bab36390a29c2e9c8/FLAGe3e53048b [2019-10-07 14:53:10,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1658ef46c/bca65b4454634b8bab36390a29c2e9c8 [2019-10-07 14:53:10,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:53:10,631 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:53:10,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:53:10,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:53:10,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:53:10,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:53:10" (1/1) ... [2019-10-07 14:53:10,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aed49ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:10, skipping insertion in model container [2019-10-07 14:53:10,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:53:10" (1/1) ... [2019-10-07 14:53:10,648 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:53:10,716 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:53:11,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:53:11,588 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:53:11,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:53:11,789 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:53:11,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:11 WrapperNode [2019-10-07 14:53:11,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:53:11,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:53:11,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:53:11,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:53:11,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:11" (1/1) ... [2019-10-07 14:53:11,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:11" (1/1) ... [2019-10-07 14:53:11,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:11" (1/1) ... [2019-10-07 14:53:11,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:11" (1/1) ... [2019-10-07 14:53:11,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:11" (1/1) ... [2019-10-07 14:53:11,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:11" (1/1) ... [2019-10-07 14:53:11,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:11" (1/1) ... [2019-10-07 14:53:11,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:53:11,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:53:11,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:53:11,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:53:11,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:53:12,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:53:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:53:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:53:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:53:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:53:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:53:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:53:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:53:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:53:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:53:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:53:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:53:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:53:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:53:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:53:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:53:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:53:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:53:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:53:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:53:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:53:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:53:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:53:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:53:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:53:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:53:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:53:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:53:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:53:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:53:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:53:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:53:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:53:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:53:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:53:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:53:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:53:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:53:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:53:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:53:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:53:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:53:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:53:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:53:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:53:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:53:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:53:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:53:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:53:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:53:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:53:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:53:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:53:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:53:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:53:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:53:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:53:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:53:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:53:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:53:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:53:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:53:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:53:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:53:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:53:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:53:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:53:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:53:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:53:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:53:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:53:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:53:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:53:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:53:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:53:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:53:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:53:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:53:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:53:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:53:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:53:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:53:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:53:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:53:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:53:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:53:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:53:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:53:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:53:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:53:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:53:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:53:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:53:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:53:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:53:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:53:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:53:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:53:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:53:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:53:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:53:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:53:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:53:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:53:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:53:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:53:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:53:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:53:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:53:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:53:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:53:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:53:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:53:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:53:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:53:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:53:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:53:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:53:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:53:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:53:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:53:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:53:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:53:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:53:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:53:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:53:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:53:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:53:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:53:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:53:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:53:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:53:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:53:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:53:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:53:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:53:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:53:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:53:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:53:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:53:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:53:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:53:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:53:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:53:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:53:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:53:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:53:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:53:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:53:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:53:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:53:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:53:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:53:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:53:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:53:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:53:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:53:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:53:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:53:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:53:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:53:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:53:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:53:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:53:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:53:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:53:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:53:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:53:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:53:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:53:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:53:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:53:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:53:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:53:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:53:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:53:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:53:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:53:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:53:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:53:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:53:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:53:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:53:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:53:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:53:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:53:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:53:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:53:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:53:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:53:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:53:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:53:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:53:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:53:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:53:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:53:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:53:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:53:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:53:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:53:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:53:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:53:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:53:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:53:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:53:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:53:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:53:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:53:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:53:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:53:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:53:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:53:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:53:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:53:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:53:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:53:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:53:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:53:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:53:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:53:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:53:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:53:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:53:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:53:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:53:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:53:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:53:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:53:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:53:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:53:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:53:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:53:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:53:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:53:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:53:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:53:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:53:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:53:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:53:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:53:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:53:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:53:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:53:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:53:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:53:16,805 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:53:16,806 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:53:16,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:16 BoogieIcfgContainer [2019-10-07 14:53:16,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:53:16,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:53:16,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:53:16,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:53:16,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:53:10" (1/3) ... [2019-10-07 14:53:16,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c926348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:16, skipping insertion in model container [2019-10-07 14:53:16,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:11" (2/3) ... [2019-10-07 14:53:16,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c926348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:16, skipping insertion in model container [2019-10-07 14:53:16,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:16" (3/3) ... [2019-10-07 14:53:16,815 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product25.cil.c [2019-10-07 14:53:16,825 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:53:16,833 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:53:16,843 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:53:16,872 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:53:16,872 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:53:16,872 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:53:16,872 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:53:16,872 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:53:16,873 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:53:16,873 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:53:16,873 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:53:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states. [2019-10-07 14:53:16,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-07 14:53:16,923 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:16,925 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:16,927 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:16,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:16,933 INFO L82 PathProgramCache]: Analyzing trace with hash -481848957, now seen corresponding path program 1 times [2019-10-07 14:53:16,943 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:16,943 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:16,944 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:16,944 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:16,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:17,630 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:17,630 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:17,631 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:53:17,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:53:17,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:53:17,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:53:17,654 INFO L87 Difference]: Start difference. First operand 415 states. Second operand 2 states. [2019-10-07 14:53:17,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:17,733 INFO L93 Difference]: Finished difference Result 612 states and 729 transitions. [2019-10-07 14:53:17,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:53:17,734 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 141 [2019-10-07 14:53:17,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:17,769 INFO L225 Difference]: With dead ends: 612 [2019-10-07 14:53:17,769 INFO L226 Difference]: Without dead ends: 388 [2019-10-07 14:53:17,783 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:53:17,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2019-10-07 14:53:18,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2019-10-07 14:53:18,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2019-10-07 14:53:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 457 transitions. [2019-10-07 14:53:18,035 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 457 transitions. Word has length 141 [2019-10-07 14:53:18,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:18,037 INFO L462 AbstractCegarLoop]: Abstraction has 388 states and 457 transitions. [2019-10-07 14:53:18,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:53:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 457 transitions. [2019-10-07 14:53:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-07 14:53:18,046 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:18,047 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:18,047 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:18,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:18,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1341774567, now seen corresponding path program 1 times [2019-10-07 14:53:18,048 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:18,048 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:18,048 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:18,048 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:18,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:18,314 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:18,315 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:18,315 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:18,315 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:53:18,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:53:18,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:53:18,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:18,318 INFO L87 Difference]: Start difference. First operand 388 states and 457 transitions. Second operand 3 states. [2019-10-07 14:53:18,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:18,363 INFO L93 Difference]: Finished difference Result 597 states and 694 transitions. [2019-10-07 14:53:18,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:53:18,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-10-07 14:53:18,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:18,369 INFO L225 Difference]: With dead ends: 597 [2019-10-07 14:53:18,370 INFO L226 Difference]: Without dead ends: 390 [2019-10-07 14:53:18,372 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:18,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2019-10-07 14:53:18,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2019-10-07 14:53:18,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-10-07 14:53:18,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 459 transitions. [2019-10-07 14:53:18,399 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 459 transitions. Word has length 142 [2019-10-07 14:53:18,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:18,400 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 459 transitions. [2019-10-07 14:53:18,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:53:18,400 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 459 transitions. [2019-10-07 14:53:18,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-07 14:53:18,405 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:18,405 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:18,405 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:18,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:18,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1473747272, now seen corresponding path program 1 times [2019-10-07 14:53:18,406 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:18,406 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:18,406 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:18,406 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:18,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:18,617 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:18,617 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:18,618 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:53:18,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:53:18,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:53:18,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:18,622 INFO L87 Difference]: Start difference. First operand 390 states and 459 transitions. Second operand 3 states. [2019-10-07 14:53:18,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:18,684 INFO L93 Difference]: Finished difference Result 764 states and 928 transitions. [2019-10-07 14:53:18,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:53:18,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-10-07 14:53:18,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:18,694 INFO L225 Difference]: With dead ends: 764 [2019-10-07 14:53:18,694 INFO L226 Difference]: Without dead ends: 432 [2019-10-07 14:53:18,697 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:18,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2019-10-07 14:53:18,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 431. [2019-10-07 14:53:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2019-10-07 14:53:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 530 transitions. [2019-10-07 14:53:18,748 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 530 transitions. Word has length 147 [2019-10-07 14:53:18,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:18,751 INFO L462 AbstractCegarLoop]: Abstraction has 431 states and 530 transitions. [2019-10-07 14:53:18,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:53:18,752 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 530 transitions. [2019-10-07 14:53:18,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-07 14:53:18,763 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:18,764 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:18,764 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:18,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:18,765 INFO L82 PathProgramCache]: Analyzing trace with hash -385056019, now seen corresponding path program 1 times [2019-10-07 14:53:18,765 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:18,766 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:18,766 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:18,771 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:18,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:53:19,748 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:19,748 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:19,748 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-07 14:53:19,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-07 14:53:19,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-07 14:53:19,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2019-10-07 14:53:19,754 INFO L87 Difference]: Start difference. First operand 431 states and 530 transitions. Second operand 25 states. [2019-10-07 14:53:33,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:33,674 INFO L93 Difference]: Finished difference Result 1162 states and 1388 transitions. [2019-10-07 14:53:33,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-10-07 14:53:33,677 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 148 [2019-10-07 14:53:33,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:33,691 INFO L225 Difference]: With dead ends: 1162 [2019-10-07 14:53:33,692 INFO L226 Difference]: Without dead ends: 955 [2019-10-07 14:53:33,696 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=404, Invalid=3018, Unknown=0, NotChecked=0, Total=3422 [2019-10-07 14:53:33,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2019-10-07 14:53:33,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 944. [2019-10-07 14:53:33,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2019-10-07 14:53:33,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1124 transitions. [2019-10-07 14:53:33,796 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1124 transitions. Word has length 148 [2019-10-07 14:53:33,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:33,802 INFO L462 AbstractCegarLoop]: Abstraction has 944 states and 1124 transitions. [2019-10-07 14:53:33,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-07 14:53:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1124 transitions. [2019-10-07 14:53:33,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-07 14:53:33,809 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:33,810 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:33,811 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:33,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:33,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1366459273, now seen corresponding path program 1 times [2019-10-07 14:53:33,812 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:33,812 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:33,813 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:33,813 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:33,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:34,077 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:34,077 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:53:34,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:53:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:34,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 2802 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:53:34,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:53:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:34,872 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:53:35,084 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:35,085 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:53:35,123 INFO L162 IcfgInterpreter]: Started Sifa with 143 locations of interest [2019-10-07 14:53:35,124 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:53:35,136 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:53:35,144 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:53:35,144 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:55:04,306 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 712 [2019-10-07 14:55:09,199 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 341 DAG size of output: 277 [2019-10-07 14:55:09,631 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 759 [2019-10-07 14:55:09,993 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 759 [2019-10-07 14:55:10,373 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 759 [2019-10-07 14:55:10,580 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:55:11,271 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:55:11,984 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:55:12,691 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:55:12,886 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:55:13,535 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:55:14,891 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1064 DAG size of output: 1062 [2019-10-07 14:55:15,534 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:55:15,718 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:55:16,355 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:55:17,051 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:55:17,705 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:55:17,853 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:55:18,495 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:55:18,523 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 574 for LOIs [2019-10-07 14:55:18,896 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 676 [2019-10-07 14:55:19,006 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 676 [2019-10-07 14:55:19,136 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:55:19,637 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 979 [2019-10-07 14:55:19,639 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1121 for LOIs [2019-10-07 14:55:20,280 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:20,931 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:21,181 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:22,220 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:22,851 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:23,492 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:23,764 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:24,794 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:25,492 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:26,121 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:26,407 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:27,401 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:28,467 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1312 DAG size of output: 1121 [2019-10-07 14:55:29,092 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:29,408 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:30,413 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:31,070 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:31,694 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:31,937 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:32,959 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:33,581 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:34,206 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:34,465 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:35,471 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:36,104 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:36,756 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:36,999 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:38,005 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:38,631 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:39,257 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:39,503 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:40,498 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:41,134 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:41,765 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:42,017 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:43,037 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:43,678 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:44,303 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:44,545 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:45,543 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:46,170 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:46,791 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:47,037 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:48,046 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:48,670 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:49,300 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:49,548 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:50,564 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:51,201 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:51,832 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 14:55:52,078 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:53,081 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:54,175 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:55,185 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:55,451 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:55:56,469 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:58,377 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1312 DAG size of output: 1310 [2019-10-07 14:55:59,380 WARN L191 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:55:59,645 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:56:00,650 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:01,663 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:02,689 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:02,939 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:56:03,951 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:05,020 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:06,048 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:06,319 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 647 [2019-10-07 14:56:07,334 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:08,552 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:09,574 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:09,842 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 647 [2019-10-07 14:56:10,871 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:11,899 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:12,928 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:13,176 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 647 [2019-10-07 14:56:14,213 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:15,250 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:56:16,272 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:56:16,532 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 647 [2019-10-07 14:56:17,550 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:18,567 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:19,586 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:19,839 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 647 [2019-10-07 14:56:20,863 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1316 [2019-10-07 14:56:23,024 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1312 DAG size of output: 1310 [2019-10-07 14:56:24,053 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:24,320 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:56:25,348 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:27,241 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1312 DAG size of output: 1310 [2019-10-07 14:56:28,633 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:28,898 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:56:29,923 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:30,952 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:31,978 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:32,227 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:56:33,242 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:35,147 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1312 DAG size of output: 1310 [2019-10-07 14:56:36,168 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:36,424 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:56:37,459 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:39,341 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1312 DAG size of output: 1310 [2019-10-07 14:56:40,374 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:40,629 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:56:41,655 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:42,676 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:43,692 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:43,941 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:56:44,960 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:56:46,028 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:47,060 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:47,325 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 647 [2019-10-07 14:56:48,342 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:50,235 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1312 [2019-10-07 14:56:51,256 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:56:51,515 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 647 [2019-10-07 14:56:52,551 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:54,417 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1312 [2019-10-07 14:56:55,441 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:56:55,688 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 647 [2019-10-07 14:56:56,712 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:56:58,510 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1312 [2019-10-07 14:56:59,530 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:56:59,805 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 647 [2019-10-07 14:57:00,843 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:57:02,713 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1318 DAG size of output: 1314 [2019-10-07 14:57:03,747 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:57:04,001 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 647 [2019-10-07 14:57:05,029 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1316 [2019-10-07 14:57:05,289 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:57:05,290 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:57:05,298 INFO L168 Benchmark]: Toolchain (without parser) took 234666.85 ms. Allocated memory was 135.3 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 97.1 MB in the beginning and 210.3 MB in the end (delta: -113.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-10-07 14:57:05,299 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 14:57:05,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1158.45 ms. Allocated memory was 135.3 MB in the beginning and 197.7 MB in the end (delta: 62.4 MB). Free memory was 96.9 MB in the beginning and 129.9 MB in the end (delta: -33.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:05,300 INFO L168 Benchmark]: Boogie Preprocessor took 191.64 ms. Allocated memory is still 197.7 MB. Free memory was 129.9 MB in the beginning and 120.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:05,301 INFO L168 Benchmark]: RCFGBuilder took 4824.72 ms. Allocated memory was 197.7 MB in the beginning and 324.0 MB in the end (delta: 126.4 MB). Free memory was 120.9 MB in the beginning and 152.3 MB in the end (delta: -31.4 MB). Peak memory consumption was 113.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:05,302 INFO L168 Benchmark]: TraceAbstraction took 228487.25 ms. Allocated memory was 324.0 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 152.3 MB in the beginning and 210.3 MB in the end (delta: -58.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-10-07 14:57:05,308 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1158.45 ms. Allocated memory was 135.3 MB in the beginning and 197.7 MB in the end (delta: 62.4 MB). Free memory was 96.9 MB in the beginning and 129.9 MB in the end (delta: -33.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.64 ms. Allocated memory is still 197.7 MB. Free memory was 129.9 MB in the beginning and 120.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4824.72 ms. Allocated memory was 197.7 MB in the beginning and 324.0 MB in the end (delta: 126.4 MB). Free memory was 120.9 MB in the beginning and 152.3 MB in the end (delta: -31.4 MB). Peak memory consumption was 113.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 228487.25 ms. Allocated memory was 324.0 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 152.3 MB in the beginning and 210.3 MB in the end (delta: -58.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...