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_spec8_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:17:36,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:17:36,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:17:36,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:17:36,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:17:36,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:17:36,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:17:36,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:17:36,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:17:36,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:17:36,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:17:36,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:17:36,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:17:36,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:17:36,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:17:36,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:17:36,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:17:36,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:17:36,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:17:36,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:17:36,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:17:36,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:17:36,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:17:36,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:17:36,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:17:36,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:17:36,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:17:36,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:17:36,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:17:36,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:17:36,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:17:36,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:17:36,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:17:36,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:17:36,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:17:36,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:17:36,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:17:36,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:17:36,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:17:36,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:17:36,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:17:36,687 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:17:36,701 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:17:36,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:17:36,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:17:36,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:17:36,703 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:17:36,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:17:36,703 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:17:36,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:17:36,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:17:36,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:17:36,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:17:36,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:17:36,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:17:36,705 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:17:36,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:17:36,705 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:17:36,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:17:36,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:17:36,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:17:36,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:17:36,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:17:36,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:17:36,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:17:36,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:17:36,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:17:36,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:17:36,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:17:36,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:17:36,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:17:36,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:17:36,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:17:36,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:17:36,986 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:17:36,987 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:17:36,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_productSimulator.cil.c [2019-10-15 03:17:37,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/882a16af9/55a6a0b73f694f9097ebc48de487dfa9/FLAG3c87093de [2019-10-15 03:17:37,734 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:17:37,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_productSimulator.cil.c [2019-10-15 03:17:37,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/882a16af9/55a6a0b73f694f9097ebc48de487dfa9/FLAG3c87093de [2019-10-15 03:17:37,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/882a16af9/55a6a0b73f694f9097ebc48de487dfa9 [2019-10-15 03:17:37,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:17:37,914 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:17:37,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:17:37,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:17:37,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:17:37,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:17:37" (1/1) ... [2019-10-15 03:17:37,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f785cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:37, skipping insertion in model container [2019-10-15 03:17:37,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:17:37" (1/1) ... [2019-10-15 03:17:37,930 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:17:38,014 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:17:38,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:17:38,839 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:17:38,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:17:39,193 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:17:39,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:39 WrapperNode [2019-10-15 03:17:39,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:17:39,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:17:39,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:17:39,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:17:39,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:39" (1/1) ... [2019-10-15 03:17:39,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:39" (1/1) ... [2019-10-15 03:17:39,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:39" (1/1) ... [2019-10-15 03:17:39,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:39" (1/1) ... [2019-10-15 03:17:39,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:39" (1/1) ... [2019-10-15 03:17:39,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:39" (1/1) ... [2019-10-15 03:17:39,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:39" (1/1) ... [2019-10-15 03:17:39,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:17:39,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:17:39,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:17:39,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:17:39,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:17:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:17:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:17:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:17:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:17:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:17:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:17:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:17:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:17:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:17:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:17:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:17:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:17:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:17:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:17:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:17:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:17:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:17:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:17:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:17:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:17:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:17:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:17:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:17:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:17:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:17:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:17:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:17:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:17:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:17:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:17:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:17:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:17:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:17:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:17:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:17:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:17:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:17:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:17:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:17:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:17:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:17:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:17:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:17:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:17:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:17:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:17:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:17:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:17:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:17:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:17:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:17:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:17:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:17:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:17:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:17:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:17:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:17:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:17:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:17:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:17:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:17:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:17:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:17:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:17:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:17:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-15 03:17:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-15 03:17:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-15 03:17:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-15 03:17:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-15 03:17:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-15 03:17:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-15 03:17:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-15 03:17:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:17:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-15 03:17:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-15 03:17:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:17:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:17:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:17:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:17:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-15 03:17:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-15 03:17:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-15 03:17:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-15 03:17:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-15 03:17:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-15 03:17:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:17:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:17:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-15 03:17:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-15 03:17:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-15 03:17:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-15 03:17:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-15 03:17:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-15 03:17:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-15 03:17:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-15 03:17:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:17:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:17:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:17:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:17:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:17:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:17:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:17:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:17:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:17:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:17:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:17:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:17:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:17:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:17:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-15 03:17:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-15 03:17:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:17:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-15 03:17:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-15 03:17:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:17:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-15 03:17:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-15 03:17:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:17:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:17:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:17:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:17:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:17:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:17:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:17:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:17:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:17:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:17:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:17:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:17:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:17:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:17:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:17:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:17:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:17:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:17:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:17:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:17:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:17:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:17:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:17:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:17:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:17:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:17:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:17:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:17:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:17:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:17:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:17:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:17:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:17:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:17:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:17:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:17:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:17:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:17:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:17:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:17:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:17:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:17:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:17:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:17:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:17:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:17:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:17:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:17:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:17:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:17:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:17:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:17:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:17:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:17:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:17:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:17:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:17:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:17:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:17:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:17:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:17:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:17:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:17:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:17:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:17:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:17:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:17:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:17:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:17:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:17:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:17:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:17:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:17:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:17:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:17:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:17:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:17:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:17:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:17:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:17:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:17:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:17:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:17:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:17:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:17:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:17:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:17:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:17:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:17:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:17:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:17:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:17:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:17:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:17:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:17:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:17:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:17:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:17:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:17:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:17:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:17:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:17:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:17:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:17:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:17:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:17:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:17:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-15 03:17:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-15 03:17:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:17:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:17:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:17:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:17:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-15 03:17:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-15 03:17:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-15 03:17:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-15 03:17:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-15 03:17:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-15 03:17:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-15 03:17:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-15 03:17:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:17:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:17:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:17:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:17:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:17:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:17:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:17:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:17:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:17:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:17:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:17:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:17:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:17:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:17:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:17:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:17:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:17:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-15 03:17:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-15 03:17:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-15 03:17:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-15 03:17:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-15 03:17:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-15 03:17:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-15 03:17:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-15 03:17:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-15 03:17:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-15 03:17:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-15 03:17:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-15 03:17:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-15 03:17:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-15 03:17:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:17:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:17:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:17:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:17:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:17:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:17:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:17:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:17:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-15 03:17:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-15 03:17:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-15 03:17:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-15 03:17:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-15 03:17:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-15 03:17:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:17:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:17:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:17:44,083 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:17:44,083 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:17:44,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:17:44 BoogieIcfgContainer [2019-10-15 03:17:44,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:17:44,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:17:44,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:17:44,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:17:44,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:17:37" (1/3) ... [2019-10-15 03:17:44,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10eebc61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:17:44, skipping insertion in model container [2019-10-15 03:17:44,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:39" (2/3) ... [2019-10-15 03:17:44,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10eebc61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:17:44, skipping insertion in model container [2019-10-15 03:17:44,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:17:44" (3/3) ... [2019-10-15 03:17:44,093 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_productSimulator.cil.c [2019-10-15 03:17:44,102 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:17:44,114 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:17:44,125 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:17:44,164 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:17:44,164 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:17:44,164 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:17:44,164 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:17:44,164 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:17:44,164 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:17:44,164 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:17:44,164 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:17:44,196 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states. [2019-10-15 03:17:44,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-15 03:17:44,218 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:44,219 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:44,223 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:44,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:44,228 INFO L82 PathProgramCache]: Analyzing trace with hash 304259202, now seen corresponding path program 1 times [2019-10-15 03:17:44,236 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:44,236 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454538933] [2019-10-15 03:17:44,236 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:44,236 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:44,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:17:44,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454538933] [2019-10-15 03:17:44,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:44,929 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:17:44,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742022754] [2019-10-15 03:17:44,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:17:44,936 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:44,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:17:44,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:17:44,952 INFO L87 Difference]: Start difference. First operand 610 states. Second operand 6 states. [2019-10-15 03:17:45,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:45,132 INFO L93 Difference]: Finished difference Result 1142 states and 1432 transitions. [2019-10-15 03:17:45,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:17:45,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2019-10-15 03:17:45,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:45,158 INFO L225 Difference]: With dead ends: 1142 [2019-10-15 03:17:45,158 INFO L226 Difference]: Without dead ends: 583 [2019-10-15 03:17:45,166 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:17:45,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-10-15 03:17:45,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2019-10-15 03:17:45,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2019-10-15 03:17:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 718 transitions. [2019-10-15 03:17:45,277 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 718 transitions. Word has length 140 [2019-10-15 03:17:45,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:45,279 INFO L462 AbstractCegarLoop]: Abstraction has 583 states and 718 transitions. [2019-10-15 03:17:45,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:17:45,280 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 718 transitions. [2019-10-15 03:17:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-15 03:17:45,286 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:45,286 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:45,286 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:45,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:45,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1833776125, now seen corresponding path program 1 times [2019-10-15 03:17:45,287 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:45,287 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680626747] [2019-10-15 03:17:45,287 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:45,288 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:45,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:17:45,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680626747] [2019-10-15 03:17:45,557 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:45,557 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:17:45,557 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501912951] [2019-10-15 03:17:45,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:17:45,569 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:45,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:17:45,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:17:45,569 INFO L87 Difference]: Start difference. First operand 583 states and 718 transitions. Second operand 4 states. [2019-10-15 03:17:46,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:46,449 INFO L93 Difference]: Finished difference Result 1132 states and 1424 transitions. [2019-10-15 03:17:46,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:17:46,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2019-10-15 03:17:46,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:46,455 INFO L225 Difference]: With dead ends: 1132 [2019-10-15 03:17:46,455 INFO L226 Difference]: Without dead ends: 581 [2019-10-15 03:17:46,457 INFO L600 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 [2019-10-15 03:17:46,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2019-10-15 03:17:46,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2019-10-15 03:17:46,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2019-10-15 03:17:46,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 707 transitions. [2019-10-15 03:17:46,499 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 707 transitions. Word has length 146 [2019-10-15 03:17:46,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:46,500 INFO L462 AbstractCegarLoop]: Abstraction has 581 states and 707 transitions. [2019-10-15 03:17:46,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:17:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 707 transitions. [2019-10-15 03:17:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-15 03:17:46,504 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:46,504 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:46,504 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:46,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:46,505 INFO L82 PathProgramCache]: Analyzing trace with hash -945275553, now seen corresponding path program 1 times [2019-10-15 03:17:46,505 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:46,505 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649866226] [2019-10-15 03:17:46,506 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:46,506 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:46,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:46,646 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:17:46,646 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649866226] [2019-10-15 03:17:46,646 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:46,646 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:17:46,647 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411410163] [2019-10-15 03:17:46,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:17:46,647 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:46,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:17:46,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:46,648 INFO L87 Difference]: Start difference. First operand 581 states and 707 transitions. Second operand 3 states. [2019-10-15 03:17:46,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:46,813 INFO L93 Difference]: Finished difference Result 1125 states and 1383 transitions. [2019-10-15 03:17:46,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:17:46,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-15 03:17:46,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:46,819 INFO L225 Difference]: With dead ends: 1125 [2019-10-15 03:17:46,819 INFO L226 Difference]: Without dead ends: 580 [2019-10-15 03:17:46,821 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:46,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2019-10-15 03:17:46,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2019-10-15 03:17:46,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2019-10-15 03:17:46,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 703 transitions. [2019-10-15 03:17:46,864 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 703 transitions. Word has length 159 [2019-10-15 03:17:46,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:46,864 INFO L462 AbstractCegarLoop]: Abstraction has 580 states and 703 transitions. [2019-10-15 03:17:46,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:17:46,864 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 703 transitions. [2019-10-15 03:17:46,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-15 03:17:46,870 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:46,870 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:46,870 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:46,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:46,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1153514979, now seen corresponding path program 1 times [2019-10-15 03:17:46,871 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:46,871 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277764097] [2019-10-15 03:17:46,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:46,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:46,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:17:47,067 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277764097] [2019-10-15 03:17:47,067 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:47,067 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:17:47,068 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020366297] [2019-10-15 03:17:47,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:17:47,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:47,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:17:47,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:17:47,069 INFO L87 Difference]: Start difference. First operand 580 states and 703 transitions. Second operand 4 states. [2019-10-15 03:17:47,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:47,842 INFO L93 Difference]: Finished difference Result 1097 states and 1330 transitions. [2019-10-15 03:17:47,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:17:47,843 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2019-10-15 03:17:47,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:47,847 INFO L225 Difference]: With dead ends: 1097 [2019-10-15 03:17:47,847 INFO L226 Difference]: Without dead ends: 577 [2019-10-15 03:17:47,849 INFO L600 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 [2019-10-15 03:17:47,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-15 03:17:47,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-15 03:17:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-15 03:17:47,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 686 transitions. [2019-10-15 03:17:47,882 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 686 transitions. Word has length 160 [2019-10-15 03:17:47,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:47,882 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 686 transitions. [2019-10-15 03:17:47,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:17:47,883 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 686 transitions. [2019-10-15 03:17:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-15 03:17:47,885 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:47,886 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:47,886 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:47,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:47,886 INFO L82 PathProgramCache]: Analyzing trace with hash -69801363, now seen corresponding path program 1 times [2019-10-15 03:17:47,887 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:47,887 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857613440] [2019-10-15 03:17:47,887 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:47,887 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:47,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:48,047 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-15 03:17:48,048 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857613440] [2019-10-15 03:17:48,048 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:48,048 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:17:48,048 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666034138] [2019-10-15 03:17:48,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:17:48,049 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:48,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:17:48,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:48,050 INFO L87 Difference]: Start difference. First operand 577 states and 686 transitions. Second operand 3 states. [2019-10-15 03:17:48,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:48,085 INFO L93 Difference]: Finished difference Result 909 states and 1074 transitions. [2019-10-15 03:17:48,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:17:48,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-15 03:17:48,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:48,092 INFO L225 Difference]: With dead ends: 909 [2019-10-15 03:17:48,092 INFO L226 Difference]: Without dead ends: 579 [2019-10-15 03:17:48,094 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:48,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-10-15 03:17:48,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-10-15 03:17:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-15 03:17:48,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 688 transitions. [2019-10-15 03:17:48,134 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 688 transitions. Word has length 181 [2019-10-15 03:17:48,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:48,137 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 688 transitions. [2019-10-15 03:17:48,137 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:17:48,137 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 688 transitions. [2019-10-15 03:17:48,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-15 03:17:48,142 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:48,143 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:48,143 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:48,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:48,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1101949612, now seen corresponding path program 1 times [2019-10-15 03:17:48,144 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:48,144 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701800950] [2019-10-15 03:17:48,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:48,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:48,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:48,477 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-15 03:17:48,478 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701800950] [2019-10-15 03:17:48,481 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:48,481 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:17:48,481 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332733646] [2019-10-15 03:17:48,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:17:48,482 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:48,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:17:48,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:48,482 INFO L87 Difference]: Start difference. First operand 579 states and 688 transitions. Second operand 3 states. [2019-10-15 03:17:48,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:48,541 INFO L93 Difference]: Finished difference Result 1106 states and 1345 transitions. [2019-10-15 03:17:48,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:17:48,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-10-15 03:17:48,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:48,548 INFO L225 Difference]: With dead ends: 1106 [2019-10-15 03:17:48,549 INFO L226 Difference]: Without dead ends: 633 [2019-10-15 03:17:48,551 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:48,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2019-10-15 03:17:48,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 632. [2019-10-15 03:17:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2019-10-15 03:17:48,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 775 transitions. [2019-10-15 03:17:48,601 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 775 transitions. Word has length 188 [2019-10-15 03:17:48,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:48,602 INFO L462 AbstractCegarLoop]: Abstraction has 632 states and 775 transitions. [2019-10-15 03:17:48,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:17:48,603 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 775 transitions. [2019-10-15 03:17:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-15 03:17:48,609 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:48,609 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:48,609 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:48,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:48,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1968875577, now seen corresponding path program 1 times [2019-10-15 03:17:48,610 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:48,611 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817926086] [2019-10-15 03:17:48,611 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:48,611 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:48,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:48,973 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-15 03:17:48,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817926086] [2019-10-15 03:17:48,973 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:48,974 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:17:48,974 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532626671] [2019-10-15 03:17:48,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:17:48,976 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:48,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:17:48,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:48,977 INFO L87 Difference]: Start difference. First operand 632 states and 775 transitions. Second operand 3 states. [2019-10-15 03:17:49,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:49,044 INFO L93 Difference]: Finished difference Result 1042 states and 1270 transitions. [2019-10-15 03:17:49,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:17:49,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-15 03:17:49,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:49,052 INFO L225 Difference]: With dead ends: 1042 [2019-10-15 03:17:49,052 INFO L226 Difference]: Without dead ends: 724 [2019-10-15 03:17:49,057 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:49,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2019-10-15 03:17:49,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 723. [2019-10-15 03:17:49,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2019-10-15 03:17:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 880 transitions. [2019-10-15 03:17:49,121 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 880 transitions. Word has length 189 [2019-10-15 03:17:49,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:49,125 INFO L462 AbstractCegarLoop]: Abstraction has 723 states and 880 transitions. [2019-10-15 03:17:49,125 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:17:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 880 transitions. [2019-10-15 03:17:49,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-10-15 03:17:49,132 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:49,133 INFO L380 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:49,133 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:49,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:49,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1345276914, now seen corresponding path program 1 times [2019-10-15 03:17:49,134 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:49,134 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882980908] [2019-10-15 03:17:49,134 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:49,134 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:49,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 03:17:49,610 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882980908] [2019-10-15 03:17:49,610 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:49,611 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-15 03:17:49,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020512333] [2019-10-15 03:17:49,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-15 03:17:49,612 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:49,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-15 03:17:49,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2019-10-15 03:17:49,613 INFO L87 Difference]: Start difference. First operand 723 states and 880 transitions. Second operand 16 states. [2019-10-15 03:17:55,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:55,449 INFO L93 Difference]: Finished difference Result 1722 states and 2087 transitions. [2019-10-15 03:17:55,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-15 03:17:55,449 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 304 [2019-10-15 03:17:55,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:55,461 INFO L225 Difference]: With dead ends: 1722 [2019-10-15 03:17:55,461 INFO L226 Difference]: Without dead ends: 1347 [2019-10-15 03:17:55,464 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=731, Unknown=0, NotChecked=0, Total=870 [2019-10-15 03:17:55,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2019-10-15 03:17:55,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1336. [2019-10-15 03:17:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1336 states. [2019-10-15 03:17:55,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1638 transitions. [2019-10-15 03:17:55,594 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1638 transitions. Word has length 304 [2019-10-15 03:17:55,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:55,596 INFO L462 AbstractCegarLoop]: Abstraction has 1336 states and 1638 transitions. [2019-10-15 03:17:55,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-15 03:17:55,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1638 transitions. [2019-10-15 03:17:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-10-15 03:17:55,604 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:55,605 INFO L380 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:55,605 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:55,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:55,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1695799518, now seen corresponding path program 1 times [2019-10-15 03:17:55,606 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:55,606 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754251140] [2019-10-15 03:17:55,606 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:55,606 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:55,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-15 03:17:55,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754251140] [2019-10-15 03:17:55,833 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:55,834 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:17:55,834 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877569096] [2019-10-15 03:17:55,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:17:55,835 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:55,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:17:55,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:55,836 INFO L87 Difference]: Start difference. First operand 1336 states and 1638 transitions. Second operand 3 states. [2019-10-15 03:17:55,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:55,989 INFO L93 Difference]: Finished difference Result 3803 states and 4784 transitions. [2019-10-15 03:17:55,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:17:55,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 315 [2019-10-15 03:17:55,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:56,018 INFO L225 Difference]: With dead ends: 3803 [2019-10-15 03:17:56,019 INFO L226 Difference]: Without dead ends: 2508 [2019-10-15 03:17:56,025 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:56,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2019-10-15 03:17:56,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2505. [2019-10-15 03:17:56,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2505 states. [2019-10-15 03:17:56,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3120 transitions. [2019-10-15 03:17:56,234 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3120 transitions. Word has length 315 [2019-10-15 03:17:56,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:56,235 INFO L462 AbstractCegarLoop]: Abstraction has 2505 states and 3120 transitions. [2019-10-15 03:17:56,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:17:56,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3120 transitions. [2019-10-15 03:17:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-10-15 03:17:56,252 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:56,253 INFO L380 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:56,253 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:56,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:56,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1544339518, now seen corresponding path program 1 times [2019-10-15 03:17:56,254 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:56,254 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30958282] [2019-10-15 03:17:56,255 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:56,255 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:56,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-15 03:17:56,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30958282] [2019-10-15 03:17:56,553 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:56,553 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:17:56,554 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889500074] [2019-10-15 03:17:56,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:17:56,555 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:56,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:17:56,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:56,555 INFO L87 Difference]: Start difference. First operand 2505 states and 3120 transitions. Second operand 3 states. [2019-10-15 03:17:56,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:56,830 INFO L93 Difference]: Finished difference Result 6057 states and 7742 transitions. [2019-10-15 03:17:56,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:17:56,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 317 [2019-10-15 03:17:56,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:56,853 INFO L225 Difference]: With dead ends: 6057 [2019-10-15 03:17:56,854 INFO L226 Difference]: Without dead ends: 3596 [2019-10-15 03:17:56,869 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:56,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2019-10-15 03:17:57,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 3593. [2019-10-15 03:17:57,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3593 states. [2019-10-15 03:17:57,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3593 states to 3593 states and 4477 transitions. [2019-10-15 03:17:57,148 INFO L78 Accepts]: Start accepts. Automaton has 3593 states and 4477 transitions. Word has length 317 [2019-10-15 03:17:57,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:57,149 INFO L462 AbstractCegarLoop]: Abstraction has 3593 states and 4477 transitions. [2019-10-15 03:17:57,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:17:57,149 INFO L276 IsEmpty]: Start isEmpty. Operand 3593 states and 4477 transitions. [2019-10-15 03:17:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-10-15 03:17:57,177 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:57,178 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:57,178 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:57,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:57,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1981239029, now seen corresponding path program 1 times [2019-10-15 03:17:57,179 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:57,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053051545] [2019-10-15 03:17:57,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:57,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:57,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-10-15 03:17:57,676 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053051545] [2019-10-15 03:17:57,676 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:57,676 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 03:17:57,676 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468053884] [2019-10-15 03:17:57,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:17:57,677 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:57,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:17:57,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:17:57,678 INFO L87 Difference]: Start difference. First operand 3593 states and 4477 transitions. Second operand 11 states. [2019-10-15 03:18:02,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:02,063 INFO L93 Difference]: Finished difference Result 6939 states and 8589 transitions. [2019-10-15 03:18:02,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 03:18:02,066 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 300 [2019-10-15 03:18:02,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:02,097 INFO L225 Difference]: With dead ends: 6939 [2019-10-15 03:18:02,097 INFO L226 Difference]: Without dead ends: 5100 [2019-10-15 03:18:02,104 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2019-10-15 03:18:02,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5100 states. [2019-10-15 03:18:02,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5100 to 5063. [2019-10-15 03:18:02,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5063 states. [2019-10-15 03:18:02,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5063 states to 5063 states and 6312 transitions. [2019-10-15 03:18:02,439 INFO L78 Accepts]: Start accepts. Automaton has 5063 states and 6312 transitions. Word has length 300 [2019-10-15 03:18:02,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:02,439 INFO L462 AbstractCegarLoop]: Abstraction has 5063 states and 6312 transitions. [2019-10-15 03:18:02,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 03:18:02,440 INFO L276 IsEmpty]: Start isEmpty. Operand 5063 states and 6312 transitions. [2019-10-15 03:18:02,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-10-15 03:18:02,456 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:02,456 INFO L380 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:18:02,457 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:02,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:02,457 INFO L82 PathProgramCache]: Analyzing trace with hash -397464041, now seen corresponding path program 1 times [2019-10-15 03:18:02,457 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:02,457 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815516652] [2019-10-15 03:18:02,458 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:02,458 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:02,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:02,760 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 03:18:02,760 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815516652] [2019-10-15 03:18:02,761 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:02,761 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:02,761 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833789169] [2019-10-15 03:18:02,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:02,762 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:02,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:02,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:02,763 INFO L87 Difference]: Start difference. First operand 5063 states and 6312 transitions. Second operand 3 states. [2019-10-15 03:18:02,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:02,957 INFO L93 Difference]: Finished difference Result 10504 states and 13364 transitions. [2019-10-15 03:18:02,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:02,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2019-10-15 03:18:02,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:02,990 INFO L225 Difference]: With dead ends: 10504 [2019-10-15 03:18:02,990 INFO L226 Difference]: Without dead ends: 5675 [2019-10-15 03:18:03,005 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:03,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5675 states. [2019-10-15 03:18:03,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5675 to 5669. [2019-10-15 03:18:03,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5669 states. [2019-10-15 03:18:03,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5669 states to 5669 states and 7290 transitions. [2019-10-15 03:18:03,333 INFO L78 Accepts]: Start accepts. Automaton has 5669 states and 7290 transitions. Word has length 325 [2019-10-15 03:18:03,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:03,333 INFO L462 AbstractCegarLoop]: Abstraction has 5669 states and 7290 transitions. [2019-10-15 03:18:03,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:03,334 INFO L276 IsEmpty]: Start isEmpty. Operand 5669 states and 7290 transitions. [2019-10-15 03:18:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2019-10-15 03:18:03,351 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:03,352 INFO L380 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:18:03,352 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:03,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:03,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1163070922, now seen corresponding path program 1 times [2019-10-15 03:18:03,353 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:03,353 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766857845] [2019-10-15 03:18:03,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:03,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:03,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 03:18:03,608 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766857845] [2019-10-15 03:18:03,609 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:03,609 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:03,609 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562972162] [2019-10-15 03:18:03,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:03,611 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:03,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:03,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:03,613 INFO L87 Difference]: Start difference. First operand 5669 states and 7290 transitions. Second operand 3 states. [2019-10-15 03:18:03,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:03,925 INFO L93 Difference]: Finished difference Result 12274 states and 16238 transitions. [2019-10-15 03:18:03,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:03,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 326 [2019-10-15 03:18:03,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:03,975 INFO L225 Difference]: With dead ends: 12274 [2019-10-15 03:18:03,975 INFO L226 Difference]: Without dead ends: 6839 [2019-10-15 03:18:03,991 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:04,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6839 states. [2019-10-15 03:18:04,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6839 to 6833. [2019-10-15 03:18:04,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6833 states. [2019-10-15 03:18:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6833 states to 6833 states and 9174 transitions. [2019-10-15 03:18:04,417 INFO L78 Accepts]: Start accepts. Automaton has 6833 states and 9174 transitions. Word has length 326 [2019-10-15 03:18:04,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:04,418 INFO L462 AbstractCegarLoop]: Abstraction has 6833 states and 9174 transitions. [2019-10-15 03:18:04,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:04,418 INFO L276 IsEmpty]: Start isEmpty. Operand 6833 states and 9174 transitions. [2019-10-15 03:18:04,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-10-15 03:18:04,443 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:04,444 INFO L380 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:18:04,444 INFO L410 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:04,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:04,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1024689187, now seen corresponding path program 1 times [2019-10-15 03:18:04,444 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:04,445 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695437721] [2019-10-15 03:18:04,445 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:04,445 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:04,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 03:18:04,675 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695437721] [2019-10-15 03:18:04,675 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:04,675 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:04,675 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42670374] [2019-10-15 03:18:04,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:04,676 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:04,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:04,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:04,677 INFO L87 Difference]: Start difference. First operand 6833 states and 9174 transitions. Second operand 3 states. [2019-10-15 03:18:05,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:05,088 INFO L93 Difference]: Finished difference Result 15670 states and 21746 transitions. [2019-10-15 03:18:05,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:05,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2019-10-15 03:18:05,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:05,142 INFO L225 Difference]: With dead ends: 15670 [2019-10-15 03:18:05,143 INFO L226 Difference]: Without dead ends: 9071 [2019-10-15 03:18:05,166 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:05,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9071 states. [2019-10-15 03:18:05,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9071 to 9065. [2019-10-15 03:18:05,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9065 states. [2019-10-15 03:18:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9065 states to 9065 states and 12774 transitions. [2019-10-15 03:18:05,804 INFO L78 Accepts]: Start accepts. Automaton has 9065 states and 12774 transitions. Word has length 327 [2019-10-15 03:18:05,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:05,805 INFO L462 AbstractCegarLoop]: Abstraction has 9065 states and 12774 transitions. [2019-10-15 03:18:05,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:05,805 INFO L276 IsEmpty]: Start isEmpty. Operand 9065 states and 12774 transitions. [2019-10-15 03:18:05,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-10-15 03:18:05,841 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:05,843 INFO L380 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:18:05,844 INFO L410 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:05,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:05,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1957005424, now seen corresponding path program 1 times [2019-10-15 03:18:05,844 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:05,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615343530] [2019-10-15 03:18:05,845 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:05,845 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:05,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:06,077 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 03:18:06,078 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615343530] [2019-10-15 03:18:06,078 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:06,078 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:06,078 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592127352] [2019-10-15 03:18:06,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:06,079 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:06,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:06,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:06,080 INFO L87 Difference]: Start difference. First operand 9065 states and 12774 transitions. Second operand 3 states. [2019-10-15 03:18:06,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:06,632 INFO L93 Difference]: Finished difference Result 22174 states and 32258 transitions. [2019-10-15 03:18:06,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:06,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2019-10-15 03:18:06,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:06,682 INFO L225 Difference]: With dead ends: 22174 [2019-10-15 03:18:06,682 INFO L226 Difference]: Without dead ends: 13343 [2019-10-15 03:18:06,714 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:06,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13343 states. [2019-10-15 03:18:07,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13343 to 13337. [2019-10-15 03:18:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13337 states. [2019-10-15 03:18:07,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13337 states to 13337 states and 19638 transitions. [2019-10-15 03:18:07,378 INFO L78 Accepts]: Start accepts. Automaton has 13337 states and 19638 transitions. Word has length 328 [2019-10-15 03:18:07,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:07,378 INFO L462 AbstractCegarLoop]: Abstraction has 13337 states and 19638 transitions. [2019-10-15 03:18:07,378 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:07,378 INFO L276 IsEmpty]: Start isEmpty. Operand 13337 states and 19638 transitions. [2019-10-15 03:18:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-10-15 03:18:07,560 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:07,560 INFO L380 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:18:07,560 INFO L410 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:07,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:07,561 INFO L82 PathProgramCache]: Analyzing trace with hash -280487517, now seen corresponding path program 1 times [2019-10-15 03:18:07,561 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:07,561 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522226263] [2019-10-15 03:18:07,562 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:07,562 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:07,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:07,775 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 03:18:07,780 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522226263] [2019-10-15 03:18:07,782 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:07,782 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:07,782 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928712544] [2019-10-15 03:18:07,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:07,783 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:07,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:07,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:07,784 INFO L87 Difference]: Start difference. First operand 13337 states and 19638 transitions. Second operand 3 states. [2019-10-15 03:18:08,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:08,371 INFO L93 Difference]: Finished difference Result 34606 states and 52082 transitions. [2019-10-15 03:18:08,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:08,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 329 [2019-10-15 03:18:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:08,454 INFO L225 Difference]: With dead ends: 34606 [2019-10-15 03:18:08,455 INFO L226 Difference]: Without dead ends: 21503 [2019-10-15 03:18:08,492 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:08,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21503 states.