/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec27_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:19:36,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:19:36,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:19:36,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:19:36,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:19:36,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:19:36,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:19:36,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:19:36,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:19:36,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:19:36,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:19:36,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:19:36,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:19:36,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:19:36,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:19:36,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:19:36,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:19:36,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:19:36,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:19:36,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:19:36,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:19:36,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:19:36,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:19:36,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:19:36,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:19:36,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:19:36,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:19:36,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:19:36,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:19:36,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:19:36,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:19:36,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:19:36,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:19:36,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:19:36,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:19:36,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:19:36,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:19:36,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:19:36,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:19:36,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:19:36,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:19:36,275 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 04:19:36,302 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:19:36,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:19:36,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:19:36,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:19:36,306 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:19:36,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:19:36,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:19:36,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:19:36,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:19:36,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:19:36,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:19:36,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:19:36,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:19:36,309 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:19:36,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:19:36,309 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:19:36,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:19:36,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:19:36,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:19:36,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:19:36,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:19:36,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:19:36,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:19:36,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:19:36,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:19:36,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:19:36,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:19:36,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:19:36,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:19:36,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:19:36,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:19:36,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:19:36,601 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:19:36,601 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:19:36,602 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_productSimulator.cil.c [2019-11-07 04:19:36,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad3455c7/79b498323fe544feb6e11c210a8553e1/FLAG60904151e [2019-11-07 04:19:37,362 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:19:37,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_productSimulator.cil.c [2019-11-07 04:19:37,399 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad3455c7/79b498323fe544feb6e11c210a8553e1/FLAG60904151e [2019-11-07 04:19:37,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad3455c7/79b498323fe544feb6e11c210a8553e1 [2019-11-07 04:19:37,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:19:37,612 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:19:37,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:19:37,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:19:37,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:19:37,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:19:37" (1/1) ... [2019-11-07 04:19:37,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@670df080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:37, skipping insertion in model container [2019-11-07 04:19:37,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:19:37" (1/1) ... [2019-11-07 04:19:37,628 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:19:37,717 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:19:38,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:19:38,451 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:19:38,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:19:38,748 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:19:38,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:38 WrapperNode [2019-11-07 04:19:38,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:19:38,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:19:38,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:19:38,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:19:38,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:38" (1/1) ... [2019-11-07 04:19:38,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:38" (1/1) ... [2019-11-07 04:19:38,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:38" (1/1) ... [2019-11-07 04:19:38,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:38" (1/1) ... [2019-11-07 04:19:38,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:38" (1/1) ... [2019-11-07 04:19:38,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:38" (1/1) ... [2019-11-07 04:19:38,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:38" (1/1) ... [2019-11-07 04:19:39,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:19:39,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:19:39,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:19:39,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:19:39,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:19:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:19:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:19:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:19:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:19:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:19:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:19:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:19:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:19:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:19:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:19:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:19:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:19:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:19:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:19:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:19:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:19:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:19:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:19:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:19:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:19:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:19:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:19:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:19:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:19:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:19:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:19:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:19:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:19:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:19:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:19:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:19:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:19:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:19:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:19:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:19:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:19:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:19:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:19:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:19:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:19:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:19:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:19:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:19:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:19:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:19:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-11-07 04:19:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:19:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:19:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:19:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:19:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:19:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:19:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:19:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:19:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:19:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:19:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:19:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:19:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:19:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:19:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:19:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:19:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:19:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:19:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:19:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:19:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:19:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:19:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-11-07 04:19:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-11-07 04:19:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-11-07 04:19:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-11-07 04:19:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-11-07 04:19:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-11-07 04:19:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:19:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:19:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-11-07 04:19:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-11-07 04:19:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-11-07 04:19:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-11-07 04:19:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-11-07 04:19:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-11-07 04:19:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-11-07 04:19:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-11-07 04:19:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:19:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:19:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:19:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:19:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:19:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:19:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:19:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:19:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:19:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:19:39,097 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:19:39,097 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:19:39,097 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:19:39,097 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:19:39,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-11-07 04:19:39,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-11-07 04:19:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:19:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-11-07 04:19:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-11-07 04:19:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:19:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-11-07 04:19:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-11-07 04:19:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:19:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:19:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:19:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:19:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:19:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:19:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:19:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:19:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:19:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:19:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:19:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:19:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:19:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:19:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:19:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:19:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:19:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-11-07 04:19:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-11-07 04:19:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-11-07 04:19:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-11-07 04:19:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-11-07 04:19:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-11-07 04:19:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:19:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-11-07 04:19:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-11-07 04:19:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:19:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:19:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:19:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:19:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:19:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:19:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:19:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:19:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:19:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:19:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:19:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:19:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:19:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:19:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:19:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:19:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:19:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:19:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:19:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:19:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:19:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:19:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:19:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:19:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:19:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:19:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:19:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:19:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:19:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:19:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:19:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:19:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:19:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:19:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:19:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:19:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:19:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:19:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:19:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:19:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:19:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:19:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:19:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:19:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:19:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:19:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:19:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:19:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:19:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:19:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:19:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:19:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:19:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:19:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:19:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:19:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:19:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:19:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:19:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:19:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:19:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:19:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:19:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:19:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:19:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:19:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:19:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:19:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:19:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:19:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:19:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:19:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:19:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-11-07 04:19:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:19:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:19:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:19:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:19:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:19:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:19:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:19:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:19:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:19:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:19:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:19:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:19:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:19:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:19:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:19:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:19:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:19:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:19:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:19:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:19:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:19:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:19:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:19:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:19:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:19:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:19:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:19:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:19:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:19:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:19:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:19:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:19:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:19:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:19:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:19:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:19:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:19:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:19:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:19:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-11-07 04:19:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-11-07 04:19:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-11-07 04:19:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-11-07 04:19:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-11-07 04:19:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-11-07 04:19:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-11-07 04:19:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-11-07 04:19:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-11-07 04:19:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-11-07 04:19:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-11-07 04:19:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-11-07 04:19:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-11-07 04:19:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-11-07 04:19:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:19:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:19:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:19:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:19:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:19:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:19:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:19:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:19:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-11-07 04:19:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-11-07 04:19:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-11-07 04:19:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-11-07 04:19:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-11-07 04:19:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-11-07 04:19:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:19:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-11-07 04:19:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-11-07 04:19:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-11-07 04:19:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-11-07 04:19:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-11-07 04:19:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-11-07 04:19:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-11-07 04:19:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-11-07 04:19:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:19:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:19:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:19:44,099 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:19:44,100 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:19:44,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:19:44 BoogieIcfgContainer [2019-11-07 04:19:44,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:19:44,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:19:44,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:19:44,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:19:44,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:19:37" (1/3) ... [2019-11-07 04:19:44,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb94789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:19:44, skipping insertion in model container [2019-11-07 04:19:44,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:38" (2/3) ... [2019-11-07 04:19:44,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb94789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:19:44, skipping insertion in model container [2019-11-07 04:19:44,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:19:44" (3/3) ... [2019-11-07 04:19:44,109 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2019-11-07 04:19:44,119 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:19:44,132 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:19:44,141 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:19:44,172 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:19:44,172 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:19:44,172 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:19:44,172 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:19:44,173 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:19:44,173 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:19:44,173 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:19:44,173 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:19:44,205 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states. [2019-11-07 04:19:44,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-07 04:19:44,227 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:44,229 INFO L410 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:44,231 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:44,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:44,237 INFO L82 PathProgramCache]: Analyzing trace with hash 362165673, now seen corresponding path program 1 times [2019-11-07 04:19:44,247 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:44,247 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353587586] [2019-11-07 04:19:44,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:44,917 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-07 04:19:44,918 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353587586] [2019-11-07 04:19:44,918 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:44,919 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:19:44,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188859430] [2019-11-07 04:19:44,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:19:44,927 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:44,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:19:44,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:19:44,945 INFO L87 Difference]: Start difference. First operand 609 states. Second operand 6 states. [2019-11-07 04:19:45,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:45,172 INFO L93 Difference]: Finished difference Result 1140 states and 1446 transitions. [2019-11-07 04:19:45,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:19:45,175 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2019-11-07 04:19:45,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:45,217 INFO L225 Difference]: With dead ends: 1140 [2019-11-07 04:19:45,217 INFO L226 Difference]: Without dead ends: 582 [2019-11-07 04:19:45,231 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:19:45,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-11-07 04:19:45,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2019-11-07 04:19:45,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-11-07 04:19:45,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 718 transitions. [2019-11-07 04:19:45,351 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 718 transitions. Word has length 168 [2019-11-07 04:19:45,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:45,353 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 718 transitions. [2019-11-07 04:19:45,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:19:45,353 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 718 transitions. [2019-11-07 04:19:45,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-07 04:19:45,360 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:45,360 INFO L410 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:45,361 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:45,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:45,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1035734531, now seen corresponding path program 1 times [2019-11-07 04:19:45,361 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:45,361 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300058419] [2019-11-07 04:19:45,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-07 04:19:45,703 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300058419] [2019-11-07 04:19:45,704 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:45,704 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:19:45,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734834758] [2019-11-07 04:19:45,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:19:45,724 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:45,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:19:45,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:19:45,725 INFO L87 Difference]: Start difference. First operand 582 states and 718 transitions. Second operand 4 states. [2019-11-07 04:19:46,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:46,615 INFO L93 Difference]: Finished difference Result 1124 states and 1404 transitions. [2019-11-07 04:19:46,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:19:46,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2019-11-07 04:19:46,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:46,622 INFO L225 Difference]: With dead ends: 1124 [2019-11-07 04:19:46,622 INFO L226 Difference]: Without dead ends: 582 [2019-11-07 04:19:46,625 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:19:46,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-11-07 04:19:46,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2019-11-07 04:19:46,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-11-07 04:19:46,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 712 transitions. [2019-11-07 04:19:46,686 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 712 transitions. Word has length 174 [2019-11-07 04:19:46,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:46,686 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 712 transitions. [2019-11-07 04:19:46,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:19:46,687 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 712 transitions. [2019-11-07 04:19:46,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-07 04:19:46,691 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:46,692 INFO L410 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:46,692 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:46,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:46,692 INFO L82 PathProgramCache]: Analyzing trace with hash 726963590, now seen corresponding path program 1 times [2019-11-07 04:19:46,693 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:46,693 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019692709] [2019-11-07 04:19:46,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:46,973 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-07 04:19:46,975 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019692709] [2019-11-07 04:19:46,975 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:46,976 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:19:46,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57436598] [2019-11-07 04:19:46,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:19:46,980 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:46,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:19:46,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:46,981 INFO L87 Difference]: Start difference. First operand 582 states and 712 transitions. Second operand 3 states. [2019-11-07 04:19:47,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:47,103 INFO L93 Difference]: Finished difference Result 1638 states and 2049 transitions. [2019-11-07 04:19:47,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:19:47,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-11-07 04:19:47,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:47,118 INFO L225 Difference]: With dead ends: 1638 [2019-11-07 04:19:47,118 INFO L226 Difference]: Without dead ends: 1096 [2019-11-07 04:19:47,122 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:47,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2019-11-07 04:19:47,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1093. [2019-11-07 04:19:47,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1093 states. [2019-11-07 04:19:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1354 transitions. [2019-11-07 04:19:47,242 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1354 transitions. Word has length 192 [2019-11-07 04:19:47,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:47,244 INFO L462 AbstractCegarLoop]: Abstraction has 1093 states and 1354 transitions. [2019-11-07 04:19:47,244 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:19:47,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1354 transitions. [2019-11-07 04:19:47,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-11-07 04:19:47,260 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:47,260 INFO L410 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:47,261 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:47,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:47,261 INFO L82 PathProgramCache]: Analyzing trace with hash -469325502, now seen corresponding path program 1 times [2019-11-07 04:19:47,261 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:47,262 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938851242] [2019-11-07 04:19:47,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-07 04:19:47,501 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938851242] [2019-11-07 04:19:47,501 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:47,501 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:19:47,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741448812] [2019-11-07 04:19:47,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:19:47,503 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:47,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:19:47,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:47,504 INFO L87 Difference]: Start difference. First operand 1093 states and 1354 transitions. Second operand 3 states. [2019-11-07 04:19:47,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:47,655 INFO L93 Difference]: Finished difference Result 1096 states and 1356 transitions. [2019-11-07 04:19:47,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:19:47,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-11-07 04:19:47,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:47,660 INFO L225 Difference]: With dead ends: 1096 [2019-11-07 04:19:47,661 INFO L226 Difference]: Without dead ends: 582 [2019-11-07 04:19:47,663 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:47,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-11-07 04:19:47,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2019-11-07 04:19:47,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-11-07 04:19:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 705 transitions. [2019-11-07 04:19:47,690 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 705 transitions. Word has length 193 [2019-11-07 04:19:47,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:47,691 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 705 transitions. [2019-11-07 04:19:47,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:19:47,691 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 705 transitions. [2019-11-07 04:19:47,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-07 04:19:47,695 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:47,695 INFO L410 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:47,695 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:47,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:47,696 INFO L82 PathProgramCache]: Analyzing trace with hash 740205475, now seen corresponding path program 1 times [2019-11-07 04:19:47,696 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:47,697 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626048105] [2019-11-07 04:19:47,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:47,924 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-07 04:19:47,924 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626048105] [2019-11-07 04:19:47,924 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:47,925 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:19:47,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095163157] [2019-11-07 04:19:47,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:19:47,926 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:47,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:19:47,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:19:47,927 INFO L87 Difference]: Start difference. First operand 582 states and 705 transitions. Second operand 4 states. [2019-11-07 04:19:48,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:48,629 INFO L93 Difference]: Finished difference Result 1107 states and 1340 transitions. [2019-11-07 04:19:48,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:19:48,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 205 [2019-11-07 04:19:48,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:48,634 INFO L225 Difference]: With dead ends: 1107 [2019-11-07 04:19:48,634 INFO L226 Difference]: Without dead ends: 587 [2019-11-07 04:19:48,636 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:19:48,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2019-11-07 04:19:48,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 581. [2019-11-07 04:19:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2019-11-07 04:19:48,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 689 transitions. [2019-11-07 04:19:48,665 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 689 transitions. Word has length 205 [2019-11-07 04:19:48,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:48,666 INFO L462 AbstractCegarLoop]: Abstraction has 581 states and 689 transitions. [2019-11-07 04:19:48,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:19:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 689 transitions. [2019-11-07 04:19:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-07 04:19:48,670 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:48,670 INFO L410 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:48,670 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:48,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:48,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1902396525, now seen corresponding path program 1 times [2019-11-07 04:19:48,671 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:48,671 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702225567] [2019-11-07 04:19:48,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:48,846 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-07 04:19:48,847 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702225567] [2019-11-07 04:19:48,847 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:48,847 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:19:48,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423640487] [2019-11-07 04:19:48,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:19:48,848 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:48,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:19:48,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:48,849 INFO L87 Difference]: Start difference. First operand 581 states and 689 transitions. Second operand 3 states. [2019-11-07 04:19:48,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:48,886 INFO L93 Difference]: Finished difference Result 913 states and 1078 transitions. [2019-11-07 04:19:48,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:19:48,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2019-11-07 04:19:48,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:48,891 INFO L225 Difference]: With dead ends: 913 [2019-11-07 04:19:48,891 INFO L226 Difference]: Without dead ends: 583 [2019-11-07 04:19:48,893 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:48,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-11-07 04:19:48,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2019-11-07 04:19:48,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2019-11-07 04:19:48,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 691 transitions. [2019-11-07 04:19:48,974 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 691 transitions. Word has length 226 [2019-11-07 04:19:48,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:48,975 INFO L462 AbstractCegarLoop]: Abstraction has 583 states and 691 transitions. [2019-11-07 04:19:48,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:19:48,975 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 691 transitions. [2019-11-07 04:19:48,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-07 04:19:48,981 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:48,981 INFO L410 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:48,981 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:48,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:48,982 INFO L82 PathProgramCache]: Analyzing trace with hash -97797234, now seen corresponding path program 1 times [2019-11-07 04:19:48,982 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:48,982 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796787141] [2019-11-07 04:19:48,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-07 04:19:49,250 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796787141] [2019-11-07 04:19:49,250 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:49,250 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:19:49,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129063116] [2019-11-07 04:19:49,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:19:49,253 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:49,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:19:49,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:49,253 INFO L87 Difference]: Start difference. First operand 583 states and 691 transitions. Second operand 3 states. [2019-11-07 04:19:49,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:49,308 INFO L93 Difference]: Finished difference Result 1110 states and 1349 transitions. [2019-11-07 04:19:49,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:19:49,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2019-11-07 04:19:49,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:49,312 INFO L225 Difference]: With dead ends: 1110 [2019-11-07 04:19:49,312 INFO L226 Difference]: Without dead ends: 637 [2019-11-07 04:19:49,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:49,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2019-11-07 04:19:49,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 636. [2019-11-07 04:19:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-11-07 04:19:49,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 778 transitions. [2019-11-07 04:19:49,349 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 778 transitions. Word has length 233 [2019-11-07 04:19:49,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:49,351 INFO L462 AbstractCegarLoop]: Abstraction has 636 states and 778 transitions. [2019-11-07 04:19:49,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:19:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 778 transitions. [2019-11-07 04:19:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-07 04:19:49,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:49,357 INFO L410 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:49,357 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:49,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:49,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1484283318, now seen corresponding path program 1 times [2019-11-07 04:19:49,357 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:49,358 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974469124] [2019-11-07 04:19:49,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:49,611 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-07 04:19:49,612 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974469124] [2019-11-07 04:19:49,612 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:49,612 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 04:19:49,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335372137] [2019-11-07 04:19:49,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 04:19:49,614 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:49,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 04:19:49,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:19:49,614 INFO L87 Difference]: Start difference. First operand 636 states and 778 transitions. Second operand 9 states. [2019-11-07 04:19:49,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:49,935 INFO L93 Difference]: Finished difference Result 974 states and 1198 transitions. [2019-11-07 04:19:49,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:19:49,936 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 234 [2019-11-07 04:19:49,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:49,943 INFO L225 Difference]: With dead ends: 974 [2019-11-07 04:19:49,943 INFO L226 Difference]: Without dead ends: 656 [2019-11-07 04:19:49,945 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2019-11-07 04:19:49,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2019-11-07 04:19:50,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 640. [2019-11-07 04:19:50,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2019-11-07 04:19:50,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 783 transitions. [2019-11-07 04:19:50,008 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 783 transitions. Word has length 234 [2019-11-07 04:19:50,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:50,009 INFO L462 AbstractCegarLoop]: Abstraction has 640 states and 783 transitions. [2019-11-07 04:19:50,009 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 04:19:50,010 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 783 transitions. [2019-11-07 04:19:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-11-07 04:19:50,014 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:50,014 INFO L410 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:50,014 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:50,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:50,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1121745602, now seen corresponding path program 1 times [2019-11-07 04:19:50,015 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:50,015 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242985091] [2019-11-07 04:19:50,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:51,196 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-07 04:19:51,197 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242985091] [2019-11-07 04:19:51,197 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:51,197 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2019-11-07 04:19:51,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934076301] [2019-11-07 04:19:51,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-11-07 04:19:51,198 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:51,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-11-07 04:19:51,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1377, Unknown=0, NotChecked=0, Total=1482 [2019-11-07 04:19:51,200 INFO L87 Difference]: Start difference. First operand 640 states and 783 transitions. Second operand 39 states.