/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_spec0_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:15:02,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:15:02,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:15:02,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:15:02,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:15:02,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:15:02,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:15:02,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:15:02,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:15:02,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:15:02,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:15:02,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:15:02,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:15:02,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:15:02,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:15:02,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:15:02,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:15:02,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:15:02,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:15:02,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:15:02,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:15:02,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:15:02,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:15:02,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:15:02,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:15:02,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:15:02,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:15:02,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:15:02,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:15:02,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:15:02,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:15:02,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:15:02,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:15:02,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:15:02,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:15:02,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:15:02,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:15:02,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:15:02,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:15:02,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:15:02,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:15:02,329 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 04:15:02,358 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:15:02,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:15:02,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:15:02,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:15:02,360 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:15:02,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:15:02,361 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:15:02,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:15:02,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:15:02,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:15:02,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:15:02,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:15:02,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:15:02,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:15:02,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:15:02,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:15:02,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:15:02,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:15:02,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:15:02,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:15:02,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:15:02,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:15:02,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:15:02,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:15:02,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:15:02,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:15:02,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:15:02,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:15:02,368 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 04:15:02,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:15:02,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:15:02,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:15:02,706 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:15:02,706 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:15:02,707 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_productSimulator.cil.c [2019-11-07 04:15:02,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc275d83/c063ffdde7ce482f86ad9f9dd1ff3929/FLAG065db52d1 [2019-11-07 04:15:03,453 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:15:03,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_productSimulator.cil.c [2019-11-07 04:15:03,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc275d83/c063ffdde7ce482f86ad9f9dd1ff3929/FLAG065db52d1 [2019-11-07 04:15:03,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc275d83/c063ffdde7ce482f86ad9f9dd1ff3929 [2019-11-07 04:15:03,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:15:03,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:15:03,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:15:03,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:15:03,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:15:03,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:15:03" (1/1) ... [2019-11-07 04:15:03,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f87abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:15:03, skipping insertion in model container [2019-11-07 04:15:03,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:15:03" (1/1) ... [2019-11-07 04:15:03,630 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:15:03,696 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:15:04,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:15:04,579 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:15:04,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:15:04,989 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:15:04,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:15:04 WrapperNode [2019-11-07 04:15:04,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:15:04,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:15:04,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:15:04,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:15:05,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:15:04" (1/1) ... [2019-11-07 04:15:05,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:15:04" (1/1) ... [2019-11-07 04:15:05,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:15:04" (1/1) ... [2019-11-07 04:15:05,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:15:04" (1/1) ... [2019-11-07 04:15:05,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:15:04" (1/1) ... [2019-11-07 04:15:05,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:15:04" (1/1) ... [2019-11-07 04:15:05,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:15:04" (1/1) ... [2019-11-07 04:15:05,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:15:05,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:15:05,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:15:05,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:15:05,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:15:04" (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 04:15:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:15:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:15:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:15:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:15:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:15:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:15:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:15:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:15:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-11-07 04:15:05,301 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-11-07 04:15:05,301 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-11-07 04:15:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-11-07 04:15:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-11-07 04:15:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-11-07 04:15:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:15:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:15:05,306 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-11-07 04:15:05,307 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-11-07 04:15:05,307 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-11-07 04:15:05,307 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-11-07 04:15:05,307 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-11-07 04:15:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-11-07 04:15:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-11-07 04:15:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-11-07 04:15:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:15:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:15:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:15:05,309 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:15:05,309 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:15:05,309 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:15:05,309 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:15:05,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:15:05,309 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:15:05,310 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:15:05,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:15:05,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:15:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:15:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:15:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:15:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:15:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:15:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:15:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:15:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:15:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:15:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:15:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:15:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:15:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:15:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:15:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:15:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:15:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:15:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:15:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:15:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:15:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:15:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:15:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:15:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:15:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:15:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:15:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:15:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:15:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:15:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:15:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:15:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:15:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:15:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:15:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:15:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:15:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:15:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:15:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:15:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:15:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:15:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:15:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:15:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:15:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:15:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:15:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:15:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:15:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:15:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:15:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:15:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:15:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:15:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:15:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-11-07 04:15:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-11-07 04:15:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:15:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-11-07 04:15:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-11-07 04:15:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:15:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-11-07 04:15:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-11-07 04:15:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:15:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:15:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:15:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:15:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:15:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:15:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:15:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:15:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:15:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:15:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:15:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:15:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:15:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:15:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:15:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:15:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:15:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:15:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-11-07 04:15:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-11-07 04:15:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-11-07 04:15:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-11-07 04:15:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-11-07 04:15:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-11-07 04:15:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-11-07 04:15:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:15:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-11-07 04:15:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-11-07 04:15:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:15:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:15:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:15:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:15:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:15:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:15:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:15:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:15:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:15:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:15:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:15:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:15:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:15:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:15:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:15:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:15:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:15:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:15:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:15:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:15:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:15:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:15:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:15:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:15:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:15:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:15:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:15:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:15:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:15:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:15:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:15:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:15:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:15:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:15:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:15:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:15:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:15:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:15:05,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:15:05,348 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:15:05,348 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:15:05,348 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:15:05,348 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:15:05,348 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:15:05,348 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:15:05,348 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:15:05,349 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:15:05,349 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:15:05,349 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:15:05,349 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:15:05,349 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:15:05,349 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:15:05,349 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:15:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:15:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:15:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:15:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:15:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:15:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:15:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:15:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-11-07 04:15:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-11-07 04:15:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-11-07 04:15:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-11-07 04:15:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-11-07 04:15:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-11-07 04:15:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-11-07 04:15:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-11-07 04:15:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-11-07 04:15:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-11-07 04:15:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-11-07 04:15:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-11-07 04:15:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-11-07 04:15:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-11-07 04:15:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-11-07 04:15:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:15:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:15:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:15:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:15:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:15:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:15:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:15:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:15:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:15:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:15:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:15:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:15:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:15:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:15:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:15:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:15:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:15:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:15:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:15:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:15:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:15:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:15:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:15:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:15:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:15:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:15:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:15:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:15:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:15:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:15:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:15:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:15:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:15:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:15:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:15:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:15:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:15:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:15:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:15:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:15:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:15:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:15:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:15:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:15:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:15:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:15:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:15:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:15:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:15:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:15:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-11-07 04:15:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-11-07 04:15:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-11-07 04:15:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-11-07 04:15:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-11-07 04:15:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-11-07 04:15:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:15:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-11-07 04:15:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-11-07 04:15:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-11-07 04:15:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-11-07 04:15:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-11-07 04:15:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-11-07 04:15:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-11-07 04:15:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-11-07 04:15:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:15:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:15:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:15:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:15:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:15:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:15:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:15:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:15:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:15:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:15:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:15:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:15:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:15:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:15:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:15:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:15:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:15:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:15:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:15:10,107 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:15:10,107 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:15:10,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:15:10 BoogieIcfgContainer [2019-11-07 04:15:10,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:15:10,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:15:10,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:15:10,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:15:10,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:15:03" (1/3) ... [2019-11-07 04:15:10,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c706d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:15:10, skipping insertion in model container [2019-11-07 04:15:10,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:15:04" (2/3) ... [2019-11-07 04:15:10,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c706d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:15:10, skipping insertion in model container [2019-11-07 04:15:10,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:15:10" (3/3) ... [2019-11-07 04:15:10,117 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_productSimulator.cil.c [2019-11-07 04:15:10,124 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:15:10,134 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:15:10,145 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:15:10,174 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:15:10,174 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:15:10,174 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:15:10,174 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:15:10,174 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:15:10,174 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:15:10,174 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:15:10,175 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:15:10,207 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2019-11-07 04:15:10,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-07 04:15:10,234 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:15:10,235 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, 1, 1, 1, 1, 1, 1] [2019-11-07 04:15:10,237 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:15:10,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:15:10,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1658380332, now seen corresponding path program 1 times [2019-11-07 04:15:10,254 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:15:10,254 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859766068] [2019-11-07 04:15:10,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:15:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:15:11,083 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 04:15:11,084 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859766068] [2019-11-07 04:15:11,084 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:15:11,085 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:15:11,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968848647] [2019-11-07 04:15:11,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:15:11,091 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:15:11,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:15:11,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:15:11,110 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 6 states. [2019-11-07 04:15:11,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:15:11,358 INFO L93 Difference]: Finished difference Result 1130 states and 1425 transitions. [2019-11-07 04:15:11,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:15:11,360 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 188 [2019-11-07 04:15:11,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:15:11,385 INFO L225 Difference]: With dead ends: 1130 [2019-11-07 04:15:11,385 INFO L226 Difference]: Without dead ends: 577 [2019-11-07 04:15:11,394 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:15:11,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-11-07 04:15:11,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-11-07 04:15:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-11-07 04:15:11,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 710 transitions. [2019-11-07 04:15:11,497 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 710 transitions. Word has length 188 [2019-11-07 04:15:11,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:15:11,500 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 710 transitions. [2019-11-07 04:15:11,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:15:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 710 transitions. [2019-11-07 04:15:11,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-07 04:15:11,509 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:15:11,509 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:15:11,510 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:15:11,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:15:11,510 INFO L82 PathProgramCache]: Analyzing trace with hash 171863450, now seen corresponding path program 1 times [2019-11-07 04:15:11,510 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:15:11,511 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051822649] [2019-11-07 04:15:11,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:15:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:15:11,801 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 04:15:11,802 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051822649] [2019-11-07 04:15:11,802 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:15:11,802 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:15:11,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572779086] [2019-11-07 04:15:11,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:15:11,816 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:15:11,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:15:11,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:15:11,819 INFO L87 Difference]: Start difference. First operand 577 states and 710 transitions. Second operand 3 states. [2019-11-07 04:15:11,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:15:11,879 INFO L93 Difference]: Finished difference Result 908 states and 1103 transitions. [2019-11-07 04:15:11,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:15:11,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-11-07 04:15:11,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:15:11,895 INFO L225 Difference]: With dead ends: 908 [2019-11-07 04:15:11,895 INFO L226 Difference]: Without dead ends: 579 [2019-11-07 04:15:11,897 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 04:15:11,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-11-07 04:15:11,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-11-07 04:15:11,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-11-07 04:15:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 712 transitions. [2019-11-07 04:15:11,952 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 712 transitions. Word has length 194 [2019-11-07 04:15:11,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:15:11,953 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 712 transitions. [2019-11-07 04:15:11,953 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:15:11,953 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 712 transitions. [2019-11-07 04:15:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-11-07 04:15:11,962 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:15:11,962 INFO L410 BasicCegarLoop]: trace histogram [8, 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] [2019-11-07 04:15:11,962 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:15:11,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:15:11,963 INFO L82 PathProgramCache]: Analyzing trace with hash -965390985, now seen corresponding path program 1 times [2019-11-07 04:15:11,965 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:15:11,965 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425275374] [2019-11-07 04:15:11,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:15:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:15:12,425 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-07 04:15:12,426 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425275374] [2019-11-07 04:15:12,426 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:15:12,426 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:15:12,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112236439] [2019-11-07 04:15:12,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:15:12,430 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:15:12,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:15:12,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:15:12,431 INFO L87 Difference]: Start difference. First operand 579 states and 712 transitions. Second operand 4 states. [2019-11-07 04:15:13,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:15:13,939 INFO L93 Difference]: Finished difference Result 1638 states and 2074 transitions. [2019-11-07 04:15:13,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:15:13,940 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 200 [2019-11-07 04:15:13,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:15:13,949 INFO L225 Difference]: With dead ends: 1638 [2019-11-07 04:15:13,949 INFO L226 Difference]: Without dead ends: 1092 [2019-11-07 04:15:13,952 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 04:15:13,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2019-11-07 04:15:14,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1089. [2019-11-07 04:15:14,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2019-11-07 04:15:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1323 transitions. [2019-11-07 04:15:14,045 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1323 transitions. Word has length 200 [2019-11-07 04:15:14,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:15:14,047 INFO L462 AbstractCegarLoop]: Abstraction has 1089 states and 1323 transitions. [2019-11-07 04:15:14,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:15:14,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1323 transitions. [2019-11-07 04:15:14,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-07 04:15:14,057 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:15:14,057 INFO L410 BasicCegarLoop]: trace histogram [8, 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] [2019-11-07 04:15:14,058 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:15:14,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:15:14,058 INFO L82 PathProgramCache]: Analyzing trace with hash 627214336, now seen corresponding path program 1 times [2019-11-07 04:15:14,058 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:15:14,058 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869263692] [2019-11-07 04:15:14,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:15:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:15:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-07 04:15:14,378 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869263692] [2019-11-07 04:15:14,379 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:15:14,379 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-07 04:15:14,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594223643] [2019-11-07 04:15:14,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-07 04:15:14,380 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:15:14,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-07 04:15:14,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-07 04:15:14,381 INFO L87 Difference]: Start difference. First operand 1089 states and 1323 transitions. Second operand 11 states. [2019-11-07 04:15:14,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:15:14,531 INFO L93 Difference]: Finished difference Result 1092 states and 1325 transitions. [2019-11-07 04:15:14,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-07 04:15:14,532 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2019-11-07 04:15:14,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:15:14,543 INFO L225 Difference]: With dead ends: 1092 [2019-11-07 04:15:14,543 INFO L226 Difference]: Without dead ends: 577 [2019-11-07 04:15:14,547 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-11-07 04:15:14,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-11-07 04:15:14,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-11-07 04:15:14,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-11-07 04:15:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 701 transitions. [2019-11-07 04:15:14,605 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 701 transitions. Word has length 194 [2019-11-07 04:15:14,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:15:14,605 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 701 transitions. [2019-11-07 04:15:14,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-07 04:15:14,605 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 701 transitions. [2019-11-07 04:15:14,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-07 04:15:14,611 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:15:14,611 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:14,611 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:15:14,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:15:14,612 INFO L82 PathProgramCache]: Analyzing trace with hash -2037449468, now seen corresponding path program 1 times [2019-11-07 04:15:14,612 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:15:14,613 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457527641] [2019-11-07 04:15:14,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:15:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:15:14,788 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 04:15:14,789 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457527641] [2019-11-07 04:15:14,789 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:15:14,789 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:15:14,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041671216] [2019-11-07 04:15:14,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:15:14,791 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:15:14,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:15:14,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:15:14,792 INFO L87 Difference]: Start difference. First operand 577 states and 701 transitions. Second operand 3 states. [2019-11-07 04:15:14,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:15:14,948 INFO L93 Difference]: Finished difference Result 1117 states and 1371 transitions. [2019-11-07 04:15:14,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:15:14,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-11-07 04:15:14,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:15:14,953 INFO L225 Difference]: With dead ends: 1117 [2019-11-07 04:15:14,954 INFO L226 Difference]: Without dead ends: 576 [2019-11-07 04:15:14,957 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 04:15:14,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-11-07 04:15:15,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-11-07 04:15:15,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-11-07 04:15:15,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 697 transitions. [2019-11-07 04:15:15,033 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 697 transitions. Word has length 213 [2019-11-07 04:15:15,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:15:15,035 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 697 transitions. [2019-11-07 04:15:15,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:15:15,035 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 697 transitions. [2019-11-07 04:15:15,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-07 04:15:15,039 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:15:15,040 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:15,040 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:15:15,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:15:15,040 INFO L82 PathProgramCache]: Analyzing trace with hash 842847211, now seen corresponding path program 1 times [2019-11-07 04:15:15,041 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:15:15,041 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793695006] [2019-11-07 04:15:15,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:15:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:15:15,211 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 04:15:15,211 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793695006] [2019-11-07 04:15:15,212 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:15:15,212 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:15:15,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377508072] [2019-11-07 04:15:15,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:15:15,213 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:15:15,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:15:15,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:15:15,214 INFO L87 Difference]: Start difference. First operand 576 states and 697 transitions. Second operand 4 states. [2019-11-07 04:15:15,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:15:15,952 INFO L93 Difference]: Finished difference Result 1091 states and 1319 transitions. [2019-11-07 04:15:15,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:15:15,952 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 221 [2019-11-07 04:15:15,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:15:15,956 INFO L225 Difference]: With dead ends: 1091 [2019-11-07 04:15:15,957 INFO L226 Difference]: Without dead ends: 575 [2019-11-07 04:15:15,959 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 04:15:15,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2019-11-07 04:15:15,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2019-11-07 04:15:15,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2019-11-07 04:15:15,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 681 transitions. [2019-11-07 04:15:15,989 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 681 transitions. Word has length 221 [2019-11-07 04:15:15,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:15:15,990 INFO L462 AbstractCegarLoop]: Abstraction has 575 states and 681 transitions. [2019-11-07 04:15:15,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:15:15,990 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 681 transitions. [2019-11-07 04:15:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-07 04:15:15,995 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:15:15,995 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:15,995 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:15:15,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:15:15,996 INFO L82 PathProgramCache]: Analyzing trace with hash 2093372754, now seen corresponding path program 1 times [2019-11-07 04:15:15,996 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:15:15,996 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299138479] [2019-11-07 04:15:15,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:15:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:15:16,222 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-11-07 04:15:16,222 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299138479] [2019-11-07 04:15:16,222 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:15:16,223 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:15:16,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121916000] [2019-11-07 04:15:16,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:15:16,225 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:15:16,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:15:16,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:15:16,226 INFO L87 Difference]: Start difference. First operand 575 states and 681 transitions. Second operand 3 states. [2019-11-07 04:15:16,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:15:16,267 INFO L93 Difference]: Finished difference Result 1096 states and 1330 transitions. [2019-11-07 04:15:16,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:15:16,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-11-07 04:15:16,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:15:16,274 INFO L225 Difference]: With dead ends: 1096 [2019-11-07 04:15:16,274 INFO L226 Difference]: Without dead ends: 629 [2019-11-07 04:15:16,276 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 04:15:16,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2019-11-07 04:15:16,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 628. [2019-11-07 04:15:16,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-11-07 04:15:16,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 768 transitions. [2019-11-07 04:15:16,310 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 768 transitions. Word has length 243 [2019-11-07 04:15:16,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:15:16,312 INFO L462 AbstractCegarLoop]: Abstraction has 628 states and 768 transitions. [2019-11-07 04:15:16,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:15:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 768 transitions. [2019-11-07 04:15:16,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-11-07 04:15:16,317 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:15:16,317 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:16,318 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:15:16,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:15:16,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1778956638, now seen corresponding path program 1 times [2019-11-07 04:15:16,318 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:15:16,319 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74649095] [2019-11-07 04:15:16,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:15:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:15:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-07 04:15:17,599 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74649095] [2019-11-07 04:15:17,599 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:15:17,599 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2019-11-07 04:15:17,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691405191] [2019-11-07 04:15:17,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-11-07 04:15:17,600 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:15:17,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-11-07 04:15:17,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1455, Unknown=0, NotChecked=0, Total=1560 [2019-11-07 04:15:17,602 INFO L87 Difference]: Start difference. First operand 628 states and 768 transitions. Second operand 40 states. [2019-11-07 04:15:37,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:15:37,701 INFO L93 Difference]: Finished difference Result 1357 states and 1669 transitions. [2019-11-07 04:15:37,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-11-07 04:15:37,704 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 244 [2019-11-07 04:15:37,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:15:37,711 INFO L225 Difference]: With dead ends: 1357 [2019-11-07 04:15:37,711 INFO L226 Difference]: Without dead ends: 1043 [2019-11-07 04:15:37,714 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=244, Invalid=4046, Unknown=0, NotChecked=0, Total=4290 [2019-11-07 04:15:37,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-11-07 04:15:37,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1028. [2019-11-07 04:15:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1028 states. [2019-11-07 04:15:37,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1261 transitions. [2019-11-07 04:15:37,772 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1261 transitions. Word has length 244 [2019-11-07 04:15:37,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:15:37,773 INFO L462 AbstractCegarLoop]: Abstraction has 1028 states and 1261 transitions. [2019-11-07 04:15:37,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-11-07 04:15:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1261 transitions. [2019-11-07 04:15:37,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-11-07 04:15:37,778 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:15:37,779 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:37,779 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:15:37,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:15:37,780 INFO L82 PathProgramCache]: Analyzing trace with hash -2007481284, now seen corresponding path program 1 times [2019-11-07 04:15:37,780 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:15:37,780 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200499356] [2019-11-07 04:15:37,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:15:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:15:38,074 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-07 04:15:38,075 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200499356] [2019-11-07 04:15:38,076 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:15:38,076 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-07 04:15:38,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667397208] [2019-11-07 04:15:38,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-07 04:15:38,078 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:15:38,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-07 04:15:38,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-11-07 04:15:38,078 INFO L87 Difference]: Start difference. First operand 1028 states and 1261 transitions. Second operand 13 states. [2019-11-07 04:15:38,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:15:38,197 INFO L93 Difference]: Finished difference Result 1040 states and 1276 transitions. [2019-11-07 04:15:38,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-07 04:15:38,197 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 248 [2019-11-07 04:15:38,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:15:38,204 INFO L225 Difference]: With dead ends: 1040 [2019-11-07 04:15:38,204 INFO L226 Difference]: Without dead ends: 1037 [2019-11-07 04:15:38,205 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2019-11-07 04:15:38,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2019-11-07 04:15:38,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2019-11-07 04:15:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2019-11-07 04:15:38,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1271 transitions. [2019-11-07 04:15:38,264 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1271 transitions. Word has length 248 [2019-11-07 04:15:38,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:15:38,266 INFO L462 AbstractCegarLoop]: Abstraction has 1037 states and 1271 transitions. [2019-11-07 04:15:38,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-07 04:15:38,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1271 transitions. [2019-11-07 04:15:38,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-11-07 04:15:38,272 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:15:38,273 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:38,273 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:15:38,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:15:38,274 INFO L82 PathProgramCache]: Analyzing trace with hash -500518119, now seen corresponding path program 1 times [2019-11-07 04:15:38,274 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:15:38,274 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372819114] [2019-11-07 04:15:38,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:15:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:15:39,525 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-07 04:15:39,525 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372819114] [2019-11-07 04:15:39,525 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:15:39,526 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2019-11-07 04:15:39,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204172575] [2019-11-07 04:15:39,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-11-07 04:15:39,527 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:15:39,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-11-07 04:15:39,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1611, Unknown=0, NotChecked=0, Total=1722 [2019-11-07 04:15:39,528 INFO L87 Difference]: Start difference. First operand 1037 states and 1271 transitions. Second operand 42 states.