/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_spec6_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:24:00,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:24:00,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:24:00,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:24:00,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:24:00,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:24:00,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:24:00,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:24:00,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:24:00,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:24:00,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:24:00,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:24:00,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:24:00,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:24:00,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:24:00,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:24:00,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:24:00,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:24:00,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:24:00,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:24:00,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:24:00,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:24:00,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:24:00,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:24:00,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:24:00,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:24:00,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:24:00,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:24:00,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:24:00,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:24:00,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:24:00,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:24:00,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:24:00,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:24:00,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:24:00,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:24:00,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:24:00,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:24:00,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:24:00,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:24:00,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:24:00,177 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 04:24:00,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:24:00,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:24:00,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:24:00,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:24:00,193 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:24:00,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:24:00,193 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:24:00,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:24:00,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:24:00,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:24:00,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:24:00,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:24:00,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:24:00,195 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:24:00,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:24:00,195 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:24:00,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:24:00,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:24:00,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:24:00,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:24:00,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:24:00,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:24:00,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:24:00,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:24:00,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:24:00,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:24:00,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:24:00,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:24:00,198 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 04:24:00,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:24:00,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:24:00,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:24:00,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:24:00,492 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:24:00,493 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_productSimulator.cil.c [2019-11-07 04:24:00,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea66379fc/afae0595b72a4ccca9b15219d7557c45/FLAG66bd3c4c5 [2019-11-07 04:24:01,274 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:24:01,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_productSimulator.cil.c [2019-11-07 04:24:01,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea66379fc/afae0595b72a4ccca9b15219d7557c45/FLAG66bd3c4c5 [2019-11-07 04:24:01,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea66379fc/afae0595b72a4ccca9b15219d7557c45 [2019-11-07 04:24:01,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:24:01,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:24:01,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:24:01,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:24:01,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:24:01,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:24:01" (1/1) ... [2019-11-07 04:24:01,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a04251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:01, skipping insertion in model container [2019-11-07 04:24:01,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:24:01" (1/1) ... [2019-11-07 04:24:01,452 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:24:01,532 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:24:02,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:24:02,356 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:24:02,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:24:02,799 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:24:02,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:02 WrapperNode [2019-11-07 04:24:02,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:24:02,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:24:02,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:24:02,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:24:02,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:02" (1/1) ... [2019-11-07 04:24:02,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:02" (1/1) ... [2019-11-07 04:24:02,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:02" (1/1) ... [2019-11-07 04:24:02,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:02" (1/1) ... [2019-11-07 04:24:02,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:02" (1/1) ... [2019-11-07 04:24:03,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:02" (1/1) ... [2019-11-07 04:24:03,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:02" (1/1) ... [2019-11-07 04:24:03,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:24:03,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:24:03,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:24:03,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:24:03,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:02" (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 04:24:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:24:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:24:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:24:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-11-07 04:24:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-11-07 04:24:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:24:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:24:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:24:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:24:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:24:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:24:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-11-07 04:24:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-11-07 04:24:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-11-07 04:24:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-11-07 04:24:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-11-07 04:24:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-11-07 04:24:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:24:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-11-07 04:24:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-11-07 04:24:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:24:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:24:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:24:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:24:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:24:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:24:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:24:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:24:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:24:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:24:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:24:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:24:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:24:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:24:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:24:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:24:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:24:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:24:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:24:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:24:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:24:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:24:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:24:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:24:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:24:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:24:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:24:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:24:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:24:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:24:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:24:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:24:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:24:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:24:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:24:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:24:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:24:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:24:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:24:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-11-07 04:24:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-11-07 04:24:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:24:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-11-07 04:24:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-11-07 04:24:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:24:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-11-07 04:24:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-11-07 04:24:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:24:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:24:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:24:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:24:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:24:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:24:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:24:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:24:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:24:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:24:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:24:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:24:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:24:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:24:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:24:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:24:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:24:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:24:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:24:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:24:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:24:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:24:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:24:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:24:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:24:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:24:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:24:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:24:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:24:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:24:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:24:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:24:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:24:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:24:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:24:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:24:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:24:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:24:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:24:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-11-07 04:24:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-11-07 04:24:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-11-07 04:24:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-11-07 04:24:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-11-07 04:24:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-11-07 04:24:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:24:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:24:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-11-07 04:24:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-11-07 04:24:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-11-07 04:24:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-11-07 04:24:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-11-07 04:24:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-11-07 04:24:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-11-07 04:24:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-11-07 04:24:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:24:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:24:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:24:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:24:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:24:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:24:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:24:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:24:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:24:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:24:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:24:03,196 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:24:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:24:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:24:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:24:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:24:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:24:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:24:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:24:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:24:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:24:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:24:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:24:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-11-07 04:24:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:24:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-11-07 04:24:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:24:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:24:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:24:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:24:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:24:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:24:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:24:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:24:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:24:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:24:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:24:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:24:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:24:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:24:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:24:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:24:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:24:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:24:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:24:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:24:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:24:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:24:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:24:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:24:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:24:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:24:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:24:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:24:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-11-07 04:24:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-11-07 04:24:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-11-07 04:24:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-11-07 04:24:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-11-07 04:24:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-11-07 04:24:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-11-07 04:24:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-11-07 04:24:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:24:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:24:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:24:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:24:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:24:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:24:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:24:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:24:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:24:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:24:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:24:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:24:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:24:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:24:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:24:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:24:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:24:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:24:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:24:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:24:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:24:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:24:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:24:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:24:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:24:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:24:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:24:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:24:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:24:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:24:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:24:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:24:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:24:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:24:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:24:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:24:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:24:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:24:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:24:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:24:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:24:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:24:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:24:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:24:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:24:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:24:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:24:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:24:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:24:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:24:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:24:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:24:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:24:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:24:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:24:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:24:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:24:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:24:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:24:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-11-07 04:24:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-11-07 04:24:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-11-07 04:24:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-11-07 04:24:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-11-07 04:24:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-11-07 04:24:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:24:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:24:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:24:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:24:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:24:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:24:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:24:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:24:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:24:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:24:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:24:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:24:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:24:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:24:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:24:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:24:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:24:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:24:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:24:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:24:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:24:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-11-07 04:24:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-11-07 04:24:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-11-07 04:24:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-11-07 04:24:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-11-07 04:24:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-11-07 04:24:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-11-07 04:24:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-11-07 04:24:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-11-07 04:24:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-11-07 04:24:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-11-07 04:24:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-11-07 04:24:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-11-07 04:24:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-11-07 04:24:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:24:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:24:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:24:08,223 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:24:08,224 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:24:08,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:24:08 BoogieIcfgContainer [2019-11-07 04:24:08,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:24:08,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:24:08,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:24:08,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:24:08,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:24:01" (1/3) ... [2019-11-07 04:24:08,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d9778e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:24:08, skipping insertion in model container [2019-11-07 04:24:08,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:02" (2/3) ... [2019-11-07 04:24:08,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d9778e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:24:08, skipping insertion in model container [2019-11-07 04:24:08,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:24:08" (3/3) ... [2019-11-07 04:24:08,233 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_productSimulator.cil.c [2019-11-07 04:24:08,243 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:24:08,253 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:24:08,265 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:24:08,296 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:24:08,296 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:24:08,296 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:24:08,296 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:24:08,296 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:24:08,296 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:24:08,296 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:24:08,297 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:24:08,329 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states. [2019-11-07 04:24:08,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-07 04:24:08,351 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:08,352 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] [2019-11-07 04:24:08,354 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:08,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:08,360 INFO L82 PathProgramCache]: Analyzing trace with hash -447770392, now seen corresponding path program 1 times [2019-11-07 04:24:08,371 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:08,371 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460007331] [2019-11-07 04:24:08,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:09,146 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 04:24:09,146 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460007331] [2019-11-07 04:24:09,147 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:09,147 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:24:09,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187421262] [2019-11-07 04:24:09,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:24:09,154 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:09,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:24:09,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:24:09,171 INFO L87 Difference]: Start difference. First operand 614 states. Second operand 6 states. [2019-11-07 04:24:09,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:09,377 INFO L93 Difference]: Finished difference Result 1150 states and 1445 transitions. [2019-11-07 04:24:09,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:24:09,381 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2019-11-07 04:24:09,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:09,418 INFO L225 Difference]: With dead ends: 1150 [2019-11-07 04:24:09,418 INFO L226 Difference]: Without dead ends: 587 [2019-11-07 04:24:09,433 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 04:24:09,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2019-11-07 04:24:09,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2019-11-07 04:24:09,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2019-11-07 04:24:09,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 724 transitions. [2019-11-07 04:24:09,577 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 724 transitions. Word has length 162 [2019-11-07 04:24:09,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:09,579 INFO L462 AbstractCegarLoop]: Abstraction has 587 states and 724 transitions. [2019-11-07 04:24:09,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:24:09,580 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 724 transitions. [2019-11-07 04:24:09,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-07 04:24:09,587 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:09,587 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 04:24:09,587 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:09,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:09,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1701865309, now seen corresponding path program 1 times [2019-11-07 04:24:09,588 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:09,588 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698532360] [2019-11-07 04:24:09,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:09,790 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 04:24:09,790 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698532360] [2019-11-07 04:24:09,791 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:09,791 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:24:09,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126088909] [2019-11-07 04:24:09,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:24:09,794 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:09,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:24:09,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:24:09,794 INFO L87 Difference]: Start difference. First operand 587 states and 724 transitions. Second operand 4 states. [2019-11-07 04:24:10,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:10,810 INFO L93 Difference]: Finished difference Result 1140 states and 1436 transitions. [2019-11-07 04:24:10,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:24:10,810 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 168 [2019-11-07 04:24:10,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:10,818 INFO L225 Difference]: With dead ends: 1140 [2019-11-07 04:24:10,818 INFO L226 Difference]: Without dead ends: 585 [2019-11-07 04:24:10,821 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 04:24:10,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2019-11-07 04:24:10,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 585. [2019-11-07 04:24:10,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2019-11-07 04:24:10,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 713 transitions. [2019-11-07 04:24:10,864 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 713 transitions. Word has length 168 [2019-11-07 04:24:10,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:10,865 INFO L462 AbstractCegarLoop]: Abstraction has 585 states and 713 transitions. [2019-11-07 04:24:10,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:24:10,865 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 713 transitions. [2019-11-07 04:24:10,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-07 04:24:10,869 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:10,869 INFO L410 BasicCegarLoop]: trace histogram [8, 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] [2019-11-07 04:24:10,870 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:10,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:10,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1506745485, now seen corresponding path program 1 times [2019-11-07 04:24:10,870 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:10,871 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813292518] [2019-11-07 04:24:10,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:11,024 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-07 04:24:11,024 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813292518] [2019-11-07 04:24:11,025 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:11,025 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:24:11,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662735569] [2019-11-07 04:24:11,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:24:11,026 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:11,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:24:11,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:24:11,026 INFO L87 Difference]: Start difference. First operand 585 states and 713 transitions. Second operand 3 states. [2019-11-07 04:24:11,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:11,179 INFO L93 Difference]: Finished difference Result 1133 states and 1395 transitions. [2019-11-07 04:24:11,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:24:11,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-11-07 04:24:11,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:11,184 INFO L225 Difference]: With dead ends: 1133 [2019-11-07 04:24:11,184 INFO L226 Difference]: Without dead ends: 584 [2019-11-07 04:24:11,187 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 04:24:11,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2019-11-07 04:24:11,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2019-11-07 04:24:11,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2019-11-07 04:24:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 709 transitions. [2019-11-07 04:24:11,214 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 709 transitions. Word has length 181 [2019-11-07 04:24:11,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:11,215 INFO L462 AbstractCegarLoop]: Abstraction has 584 states and 709 transitions. [2019-11-07 04:24:11,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:24:11,215 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 709 transitions. [2019-11-07 04:24:11,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-07 04:24:11,219 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:11,219 INFO L410 BasicCegarLoop]: trace histogram [8, 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] [2019-11-07 04:24:11,219 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:11,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:11,220 INFO L82 PathProgramCache]: Analyzing trace with hash 788594452, now seen corresponding path program 1 times [2019-11-07 04:24:11,220 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:11,220 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865180173] [2019-11-07 04:24:11,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:11,439 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-07 04:24:11,439 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865180173] [2019-11-07 04:24:11,439 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:11,439 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:24:11,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066447915] [2019-11-07 04:24:11,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:24:11,441 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:11,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:24:11,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:24:11,441 INFO L87 Difference]: Start difference. First operand 584 states and 709 transitions. Second operand 4 states. [2019-11-07 04:24:12,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:12,188 INFO L93 Difference]: Finished difference Result 1105 states and 1342 transitions. [2019-11-07 04:24:12,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:24:12,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 182 [2019-11-07 04:24:12,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:12,193 INFO L225 Difference]: With dead ends: 1105 [2019-11-07 04:24:12,193 INFO L226 Difference]: Without dead ends: 581 [2019-11-07 04:24:12,196 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 04:24:12,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2019-11-07 04:24:12,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2019-11-07 04:24:12,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2019-11-07 04:24:12,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 692 transitions. [2019-11-07 04:24:12,225 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 692 transitions. Word has length 182 [2019-11-07 04:24:12,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:12,226 INFO L462 AbstractCegarLoop]: Abstraction has 581 states and 692 transitions. [2019-11-07 04:24:12,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:24:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 692 transitions. [2019-11-07 04:24:12,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-11-07 04:24:12,229 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:12,230 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] [2019-11-07 04:24:12,230 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:12,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:12,231 INFO L82 PathProgramCache]: Analyzing trace with hash -2064283910, now seen corresponding path program 1 times [2019-11-07 04:24:12,231 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:12,231 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567315654] [2019-11-07 04:24:12,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:12,417 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 04:24:12,417 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567315654] [2019-11-07 04:24:12,417 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:12,418 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:24:12,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33937557] [2019-11-07 04:24:12,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:24:12,419 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:12,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:24:12,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:24:12,420 INFO L87 Difference]: Start difference. First operand 581 states and 692 transitions. Second operand 3 states. [2019-11-07 04:24:12,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:12,468 INFO L93 Difference]: Finished difference Result 917 states and 1086 transitions. [2019-11-07 04:24:12,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:24:12,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2019-11-07 04:24:12,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:12,474 INFO L225 Difference]: With dead ends: 917 [2019-11-07 04:24:12,475 INFO L226 Difference]: Without dead ends: 583 [2019-11-07 04:24:12,476 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 04:24:12,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-11-07 04:24:12,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2019-11-07 04:24:12,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2019-11-07 04:24:12,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 694 transitions. [2019-11-07 04:24:12,512 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 694 transitions. Word has length 203 [2019-11-07 04:24:12,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:12,513 INFO L462 AbstractCegarLoop]: Abstraction has 583 states and 694 transitions. [2019-11-07 04:24:12,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:24:12,513 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 694 transitions. [2019-11-07 04:24:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-07 04:24:12,519 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:12,520 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:12,520 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:12,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:12,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1698259275, now seen corresponding path program 1 times [2019-11-07 04:24:12,521 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:12,521 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895383960] [2019-11-07 04:24:12,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:12,842 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-07 04:24:12,842 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895383960] [2019-11-07 04:24:12,842 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:12,843 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:24:12,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539421698] [2019-11-07 04:24:12,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:24:12,844 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:12,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:24:12,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:24:12,844 INFO L87 Difference]: Start difference. First operand 583 states and 694 transitions. Second operand 3 states. [2019-11-07 04:24:12,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:12,887 INFO L93 Difference]: Finished difference Result 1114 states and 1357 transitions. [2019-11-07 04:24:12,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:24:12,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2019-11-07 04:24:12,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:12,893 INFO L225 Difference]: With dead ends: 1114 [2019-11-07 04:24:12,893 INFO L226 Difference]: Without dead ends: 637 [2019-11-07 04:24:12,895 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 04:24:12,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2019-11-07 04:24:12,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 636. [2019-11-07 04:24:12,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-11-07 04:24:12,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 781 transitions. [2019-11-07 04:24:12,931 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 781 transitions. Word has length 210 [2019-11-07 04:24:12,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:12,931 INFO L462 AbstractCegarLoop]: Abstraction has 636 states and 781 transitions. [2019-11-07 04:24:12,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:24:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 781 transitions. [2019-11-07 04:24:12,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-11-07 04:24:12,935 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:12,936 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:12,936 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:12,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:12,936 INFO L82 PathProgramCache]: Analyzing trace with hash 729572785, now seen corresponding path program 1 times [2019-11-07 04:24:12,937 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:12,937 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821265369] [2019-11-07 04:24:12,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:13,716 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-11-07 04:24:13,716 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821265369] [2019-11-07 04:24:13,716 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:13,717 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-11-07 04:24:13,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655276287] [2019-11-07 04:24:13,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-07 04:24:13,718 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:13,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-07 04:24:13,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2019-11-07 04:24:13,720 INFO L87 Difference]: Start difference. First operand 636 states and 781 transitions. Second operand 28 states. [2019-11-07 04:24:30,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:30,708 INFO L93 Difference]: Finished difference Result 1933 states and 2418 transitions. [2019-11-07 04:24:30,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-11-07 04:24:30,708 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 211 [2019-11-07 04:24:30,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:30,720 INFO L225 Difference]: With dead ends: 1933 [2019-11-07 04:24:30,720 INFO L226 Difference]: Without dead ends: 1607 [2019-11-07 04:24:30,723 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 880 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=487, Invalid=3673, Unknown=0, NotChecked=0, Total=4160 [2019-11-07 04:24:30,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2019-11-07 04:24:30,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1594. [2019-11-07 04:24:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1594 states. [2019-11-07 04:24:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 1957 transitions. [2019-11-07 04:24:30,808 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 1957 transitions. Word has length 211 [2019-11-07 04:24:30,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:30,810 INFO L462 AbstractCegarLoop]: Abstraction has 1594 states and 1957 transitions. [2019-11-07 04:24:30,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-07 04:24:30,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1957 transitions. [2019-11-07 04:24:30,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-11-07 04:24:30,814 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:30,814 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:30,815 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:30,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:30,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1258354345, now seen corresponding path program 1 times [2019-11-07 04:24:30,815 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:30,815 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125152088] [2019-11-07 04:24:30,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:31,607 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-11-07 04:24:31,608 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125152088] [2019-11-07 04:24:31,608 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:31,608 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-11-07 04:24:31,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458687537] [2019-11-07 04:24:31,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-11-07 04:24:31,609 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:31,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-11-07 04:24:31,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2019-11-07 04:24:31,610 INFO L87 Difference]: Start difference. First operand 1594 states and 1957 transitions. Second operand 30 states.