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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/email_spec0_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:12:13,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:12:13,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:12:13,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:12:13,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:12:13,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:12:13,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:12:13,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:12:13,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:12:13,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:12:13,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:12:13,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:12:13,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:12:13,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:12:13,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:12:13,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:12:13,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:12:13,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:12:13,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:12:13,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:12:13,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:12:13,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:12:13,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:12:13,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:12:13,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:12:13,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:12:13,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:12:13,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:12:13,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:12:13,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:12:13,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:12:13,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:12:13,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:12:13,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:12:13,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:12:13,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:12:13,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:12:13,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:12:13,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:12:13,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:12:13,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:12:13,629 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 01:12:13,651 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:12:13,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:12:13,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:12:13,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:12:13,654 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:12:13,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:12:13,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:12:13,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:12:13,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:12:13,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:12:13,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:12:13,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:12:13,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:12:13,657 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:12:13,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:12:13,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:12:13,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:12:13,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:12:13,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:12:13,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:12:13,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:12:13,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:12:13,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:12:13,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:12:13,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:12:13,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:12:13,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:12:13,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:12:13,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:12:13,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:12:13,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:12:13,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:12:13,985 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:12:13,985 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:12:13,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product37.cil.c [2019-10-15 01:12:14,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285f0f72d/e07b80ef9e3742b8a989e4289d27761b/FLAG483f7007f [2019-10-15 01:12:14,737 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:12:14,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product37.cil.c [2019-10-15 01:12:14,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285f0f72d/e07b80ef9e3742b8a989e4289d27761b/FLAG483f7007f [2019-10-15 01:12:14,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285f0f72d/e07b80ef9e3742b8a989e4289d27761b [2019-10-15 01:12:15,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:12:15,003 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:12:15,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:12:15,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:12:15,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:12:15,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:12:14" (1/1) ... [2019-10-15 01:12:15,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@304a304f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:12:15, skipping insertion in model container [2019-10-15 01:12:15,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:12:14" (1/1) ... [2019-10-15 01:12:15,021 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:12:15,126 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:12:16,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:12:16,033 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:12:16,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:12:16,268 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:12:16,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:12:16 WrapperNode [2019-10-15 01:12:16,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:12:16,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:12:16,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:12:16,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:12:16,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:12:16" (1/1) ... [2019-10-15 01:12:16,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:12:16" (1/1) ... [2019-10-15 01:12:16,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:12:16" (1/1) ... [2019-10-15 01:12:16,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:12:16" (1/1) ... [2019-10-15 01:12:16,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:12:16" (1/1) ... [2019-10-15 01:12:16,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:12:16" (1/1) ... [2019-10-15 01:12:16,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:12:16" (1/1) ... [2019-10-15 01:12:16,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:12:16,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:12:16,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:12:16,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:12:16,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:12:16" (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 01:12:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:12:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:12:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:12:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:12:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 01:12:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 01:12:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 01:12:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 01:12:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 01:12:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 01:12:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 01:12:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 01:12:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:12:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:12:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 01:12:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 01:12:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 01:12:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 01:12:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 01:12:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 01:12:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 01:12:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 01:12:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 01:12:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 01:12:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 01:12:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 01:12:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 01:12:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 01:12:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 01:12:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 01:12:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 01:12:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 01:12:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 01:12:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 01:12:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 01:12:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 01:12:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 01:12:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 01:12:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 01:12:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 01:12:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 01:12:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 01:12:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 01:12:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 01:12:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 01:12:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 01:12:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 01:12:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 01:12:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 01:12:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 01:12:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 01:12:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 01:12:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 01:12:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 01:12:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 01:12:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 01:12:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 01:12:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-15 01:12:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-15 01:12:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 01:12:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 01:12:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 01:12:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 01:12:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 01:12:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 01:12:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 01:12:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 01:12:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 01:12:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 01:12:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 01:12:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:12:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:12:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:12:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:12:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 01:12:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 01:12:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 01:12:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 01:12:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 01:12:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 01:12:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 01:12:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 01:12:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 01:12:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 01:12:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 01:12:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 01:12:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 01:12:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 01:12:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 01:12:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 01:12:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 01:12:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 01:12:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 01:12:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 01:12:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 01:12:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 01:12:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:12:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:12:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:12:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:12:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:12:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:12:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 01:12:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 01:12:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 01:12:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 01:12:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-15 01:12:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:12:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:12:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:12:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:12:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:12:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 01:12:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 01:12:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 01:12:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 01:12:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 01:12:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 01:12:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 01:12:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 01:12:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 01:12:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 01:12:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:12:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:12:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:12:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 01:12:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 01:12:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 01:12:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 01:12:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 01:12:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 01:12:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 01:12:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 01:12:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 01:12:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 01:12:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 01:12:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:12:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:12:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:12:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 01:12:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 01:12:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 01:12:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 01:12:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 01:12:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 01:12:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 01:12:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 01:12:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 01:12:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 01:12:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 01:12:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 01:12:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 01:12:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 01:12:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:12:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 01:12:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 01:12:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 01:12:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 01:12:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 01:12:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 01:12:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 01:12:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 01:12:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 01:12:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 01:12:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 01:12:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 01:12:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 01:12:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 01:12:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 01:12:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 01:12:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 01:12:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 01:12:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 01:12:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 01:12:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 01:12:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 01:12:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 01:12:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 01:12:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 01:12:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 01:12:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 01:12:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 01:12:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 01:12:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 01:12:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 01:12:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 01:12:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 01:12:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 01:12:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-15 01:12:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-15 01:12:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-15 01:12:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:12:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 01:12:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 01:12:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 01:12:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 01:12:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 01:12:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 01:12:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 01:12:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 01:12:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 01:12:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 01:12:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 01:12:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 01:12:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 01:12:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 01:12:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 01:12:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 01:12:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 01:12:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 01:12:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:12:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:12:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:12:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:12:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:12:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:12:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:12:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:12:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:12:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:12:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:12:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:12:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:12:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:12:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:12:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:12:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 01:12:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 01:12:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:12:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:12:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:12:18,649 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:12:18,650 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 01:12:18,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:12:18 BoogieIcfgContainer [2019-10-15 01:12:18,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:12:18,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:12:18,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:12:18,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:12:18,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:12:14" (1/3) ... [2019-10-15 01:12:18,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66560126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:12:18, skipping insertion in model container [2019-10-15 01:12:18,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:12:16" (2/3) ... [2019-10-15 01:12:18,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66560126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:12:18, skipping insertion in model container [2019-10-15 01:12:18,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:12:18" (3/3) ... [2019-10-15 01:12:18,662 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product37.cil.c [2019-10-15 01:12:18,673 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:12:18,687 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:12:18,699 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:12:18,743 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:12:18,743 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:12:18,743 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:12:18,743 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:12:18,743 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:12:18,744 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:12:18,744 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:12:18,744 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:12:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states. [2019-10-15 01:12:18,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-15 01:12:18,814 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:18,815 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:18,817 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:18,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:18,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1866097905, now seen corresponding path program 1 times [2019-10-15 01:12:18,834 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:18,834 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483246663] [2019-10-15 01:12:18,835 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:18,835 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:18,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-15 01:12:19,516 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483246663] [2019-10-15 01:12:19,517 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:19,517 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:12:19,518 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875348370] [2019-10-15 01:12:19,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:12:19,525 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:19,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:12:19,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:12:19,544 INFO L87 Difference]: Start difference. First operand 418 states. Second operand 2 states. [2019-10-15 01:12:19,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:19,608 INFO L93 Difference]: Finished difference Result 567 states and 734 transitions. [2019-10-15 01:12:19,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:12:19,610 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 168 [2019-10-15 01:12:19,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:19,630 INFO L225 Difference]: With dead ends: 567 [2019-10-15 01:12:19,630 INFO L226 Difference]: Without dead ends: 395 [2019-10-15 01:12:19,636 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:12:19,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-15 01:12:19,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2019-10-15 01:12:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-10-15 01:12:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 518 transitions. [2019-10-15 01:12:19,734 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 518 transitions. Word has length 168 [2019-10-15 01:12:19,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:19,737 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 518 transitions. [2019-10-15 01:12:19,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:12:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 518 transitions. [2019-10-15 01:12:19,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-15 01:12:19,750 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:19,750 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:19,750 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:19,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:19,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1166552557, now seen corresponding path program 1 times [2019-10-15 01:12:19,751 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:19,751 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932267031] [2019-10-15 01:12:19,752 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:19,752 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:19,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:20,054 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-15 01:12:20,055 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932267031] [2019-10-15 01:12:20,055 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:20,056 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:12:20,056 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021526870] [2019-10-15 01:12:20,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:12:20,058 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:20,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:12:20,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:12:20,059 INFO L87 Difference]: Start difference. First operand 395 states and 518 transitions. Second operand 3 states. [2019-10-15 01:12:20,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:20,117 INFO L93 Difference]: Finished difference Result 550 states and 702 transitions. [2019-10-15 01:12:20,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:12:20,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-10-15 01:12:20,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:20,123 INFO L225 Difference]: With dead ends: 550 [2019-10-15 01:12:20,124 INFO L226 Difference]: Without dead ends: 398 [2019-10-15 01:12:20,128 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 01:12:20,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2019-10-15 01:12:20,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 397. [2019-10-15 01:12:20,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-10-15 01:12:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 520 transitions. [2019-10-15 01:12:20,188 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 520 transitions. Word has length 169 [2019-10-15 01:12:20,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:20,188 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 520 transitions. [2019-10-15 01:12:20,189 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:12:20,189 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 520 transitions. [2019-10-15 01:12:20,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-15 01:12:20,192 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:20,192 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:20,193 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:20,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:20,193 INFO L82 PathProgramCache]: Analyzing trace with hash 62991774, now seen corresponding path program 1 times [2019-10-15 01:12:20,193 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:20,194 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166746250] [2019-10-15 01:12:20,194 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:20,194 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:20,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:20,423 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-15 01:12:20,424 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166746250] [2019-10-15 01:12:20,424 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:20,424 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:12:20,425 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156786732] [2019-10-15 01:12:20,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:12:20,429 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:20,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:12:20,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:12:20,429 INFO L87 Difference]: Start difference. First operand 397 states and 520 transitions. Second operand 3 states. [2019-10-15 01:12:20,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:20,470 INFO L93 Difference]: Finished difference Result 772 states and 1041 transitions. [2019-10-15 01:12:20,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:12:20,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-15 01:12:20,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:20,475 INFO L225 Difference]: With dead ends: 772 [2019-10-15 01:12:20,475 INFO L226 Difference]: Without dead ends: 440 [2019-10-15 01:12:20,479 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 01:12:20,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-10-15 01:12:20,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 439. [2019-10-15 01:12:20,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-10-15 01:12:20,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 592 transitions. [2019-10-15 01:12:20,501 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 592 transitions. Word has length 181 [2019-10-15 01:12:20,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:20,502 INFO L462 AbstractCegarLoop]: Abstraction has 439 states and 592 transitions. [2019-10-15 01:12:20,502 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:12:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 592 transitions. [2019-10-15 01:12:20,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-15 01:12:20,506 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:20,506 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:20,506 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:20,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:20,507 INFO L82 PathProgramCache]: Analyzing trace with hash -944488224, now seen corresponding path program 1 times [2019-10-15 01:12:20,507 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:20,508 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680569093] [2019-10-15 01:12:20,508 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:20,508 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:20,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:20,684 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-15 01:12:20,685 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680569093] [2019-10-15 01:12:20,685 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:20,685 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:12:20,685 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089301869] [2019-10-15 01:12:20,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:12:20,687 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:20,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:12:20,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:12:20,688 INFO L87 Difference]: Start difference. First operand 439 states and 592 transitions. Second operand 3 states. [2019-10-15 01:12:20,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:20,722 INFO L93 Difference]: Finished difference Result 895 states and 1252 transitions. [2019-10-15 01:12:20,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:12:20,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2019-10-15 01:12:20,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:20,733 INFO L225 Difference]: With dead ends: 895 [2019-10-15 01:12:20,733 INFO L226 Difference]: Without dead ends: 521 [2019-10-15 01:12:20,735 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 01:12:20,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-10-15 01:12:20,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 520. [2019-10-15 01:12:20,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-10-15 01:12:20,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 730 transitions. [2019-10-15 01:12:20,763 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 730 transitions. Word has length 182 [2019-10-15 01:12:20,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:20,764 INFO L462 AbstractCegarLoop]: Abstraction has 520 states and 730 transitions. [2019-10-15 01:12:20,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:12:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 730 transitions. [2019-10-15 01:12:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-15 01:12:20,768 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:20,769 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:20,769 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:20,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:20,769 INFO L82 PathProgramCache]: Analyzing trace with hash -595727652, now seen corresponding path program 1 times [2019-10-15 01:12:20,770 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:20,770 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947592149] [2019-10-15 01:12:20,770 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:20,770 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:20,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-15 01:12:21,144 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947592149] [2019-10-15 01:12:21,144 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:21,144 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-15 01:12:21,145 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407360742] [2019-10-15 01:12:21,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-15 01:12:21,146 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:21,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-15 01:12:21,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:12:21,147 INFO L87 Difference]: Start difference. First operand 520 states and 730 transitions. Second operand 13 states. [2019-10-15 01:12:23,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:23,351 INFO L93 Difference]: Finished difference Result 1129 states and 1580 transitions. [2019-10-15 01:12:23,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-15 01:12:23,351 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 185 [2019-10-15 01:12:23,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:23,365 INFO L225 Difference]: With dead ends: 1129 [2019-10-15 01:12:23,365 INFO L226 Difference]: Without dead ends: 990 [2019-10-15 01:12:23,367 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2019-10-15 01:12:23,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2019-10-15 01:12:23,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 982. [2019-10-15 01:12:23,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 982 states. [2019-10-15 01:12:23,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1397 transitions. [2019-10-15 01:12:23,440 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1397 transitions. Word has length 185 [2019-10-15 01:12:23,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:23,443 INFO L462 AbstractCegarLoop]: Abstraction has 982 states and 1397 transitions. [2019-10-15 01:12:23,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-15 01:12:23,443 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1397 transitions. [2019-10-15 01:12:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-15 01:12:23,458 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:23,459 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:23,459 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:23,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:23,459 INFO L82 PathProgramCache]: Analyzing trace with hash -159800450, now seen corresponding path program 1 times [2019-10-15 01:12:23,460 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:23,460 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500545147] [2019-10-15 01:12:23,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:23,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:23,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:23,656 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-15 01:12:23,657 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500545147] [2019-10-15 01:12:23,658 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:23,658 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:12:23,659 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242407641] [2019-10-15 01:12:23,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:12:23,661 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:23,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:12:23,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:12:23,661 INFO L87 Difference]: Start difference. First operand 982 states and 1397 transitions. Second operand 3 states. [2019-10-15 01:12:23,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:23,723 INFO L93 Difference]: Finished difference Result 2213 states and 3261 transitions. [2019-10-15 01:12:23,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:12:23,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-10-15 01:12:23,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:23,736 INFO L225 Difference]: With dead ends: 2213 [2019-10-15 01:12:23,736 INFO L226 Difference]: Without dead ends: 1296 [2019-10-15 01:12:23,740 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 01:12:23,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2019-10-15 01:12:23,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1294. [2019-10-15 01:12:23,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1294 states. [2019-10-15 01:12:23,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1927 transitions. [2019-10-15 01:12:23,813 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1927 transitions. Word has length 183 [2019-10-15 01:12:23,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:23,814 INFO L462 AbstractCegarLoop]: Abstraction has 1294 states and 1927 transitions. [2019-10-15 01:12:23,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:12:23,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1927 transitions. [2019-10-15 01:12:23,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-15 01:12:23,822 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:23,822 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:23,823 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:23,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:23,823 INFO L82 PathProgramCache]: Analyzing trace with hash -478463827, now seen corresponding path program 1 times [2019-10-15 01:12:23,823 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:23,824 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254996111] [2019-10-15 01:12:23,824 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:23,824 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:23,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:24,006 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 01:12:24,007 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254996111] [2019-10-15 01:12:24,007 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:24,007 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:12:24,008 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683855648] [2019-10-15 01:12:24,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:12:24,008 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:24,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:12:24,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:12:24,010 INFO L87 Difference]: Start difference. First operand 1294 states and 1927 transitions. Second operand 9 states. [2019-10-15 01:12:24,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:24,178 INFO L93 Difference]: Finished difference Result 1600 states and 2301 transitions. [2019-10-15 01:12:24,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:12:24,178 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 186 [2019-10-15 01:12:24,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:24,187 INFO L225 Difference]: With dead ends: 1600 [2019-10-15 01:12:24,187 INFO L226 Difference]: Without dead ends: 1317 [2019-10-15 01:12:24,189 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-10-15 01:12:24,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2019-10-15 01:12:24,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1305. [2019-10-15 01:12:24,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1305 states. [2019-10-15 01:12:24,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1941 transitions. [2019-10-15 01:12:24,276 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1941 transitions. Word has length 186 [2019-10-15 01:12:24,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:24,277 INFO L462 AbstractCegarLoop]: Abstraction has 1305 states and 1941 transitions. [2019-10-15 01:12:24,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:12:24,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1941 transitions. [2019-10-15 01:12:24,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-15 01:12:24,285 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:24,286 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:24,286 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:24,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:24,286 INFO L82 PathProgramCache]: Analyzing trace with hash 2016645626, now seen corresponding path program 1 times [2019-10-15 01:12:24,287 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:24,287 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767611492] [2019-10-15 01:12:24,287 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:24,287 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:24,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:24,493 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 01:12:24,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767611492] [2019-10-15 01:12:24,494 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:24,494 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:12:24,494 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107327831] [2019-10-15 01:12:24,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:12:24,495 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:24,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:12:24,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:12:24,496 INFO L87 Difference]: Start difference. First operand 1305 states and 1941 transitions. Second operand 6 states. [2019-10-15 01:12:25,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:25,004 INFO L93 Difference]: Finished difference Result 2855 states and 4201 transitions. [2019-10-15 01:12:25,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:12:25,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 186 [2019-10-15 01:12:25,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:25,022 INFO L225 Difference]: With dead ends: 2855 [2019-10-15 01:12:25,022 INFO L226 Difference]: Without dead ends: 2561 [2019-10-15 01:12:25,025 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:12:25,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2019-10-15 01:12:25,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 2550. [2019-10-15 01:12:25,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2550 states. [2019-10-15 01:12:25,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3835 transitions. [2019-10-15 01:12:25,170 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3835 transitions. Word has length 186 [2019-10-15 01:12:25,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:25,171 INFO L462 AbstractCegarLoop]: Abstraction has 2550 states and 3835 transitions. [2019-10-15 01:12:25,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:12:25,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3835 transitions. [2019-10-15 01:12:25,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-15 01:12:25,183 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:25,184 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:25,184 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:25,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:25,184 INFO L82 PathProgramCache]: Analyzing trace with hash -844024263, now seen corresponding path program 1 times [2019-10-15 01:12:25,185 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:25,185 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179743988] [2019-10-15 01:12:25,185 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:25,185 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:25,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:25,400 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 01:12:25,401 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179743988] [2019-10-15 01:12:25,401 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:25,401 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:12:25,401 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166462225] [2019-10-15 01:12:25,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:12:25,402 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:25,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:12:25,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:12:25,403 INFO L87 Difference]: Start difference. First operand 2550 states and 3835 transitions. Second operand 6 states. [2019-10-15 01:12:26,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:26,054 INFO L93 Difference]: Finished difference Result 5672 states and 8405 transitions. [2019-10-15 01:12:26,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:12:26,055 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2019-10-15 01:12:26,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:26,086 INFO L225 Difference]: With dead ends: 5672 [2019-10-15 01:12:26,086 INFO L226 Difference]: Without dead ends: 5079 [2019-10-15 01:12:26,090 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:12:26,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5079 states. [2019-10-15 01:12:26,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5079 to 5040. [2019-10-15 01:12:26,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5040 states. [2019-10-15 01:12:26,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5040 states to 5040 states and 7641 transitions. [2019-10-15 01:12:26,423 INFO L78 Accepts]: Start accepts. Automaton has 5040 states and 7641 transitions. Word has length 187 [2019-10-15 01:12:26,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:26,423 INFO L462 AbstractCegarLoop]: Abstraction has 5040 states and 7641 transitions. [2019-10-15 01:12:26,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:12:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 5040 states and 7641 transitions. [2019-10-15 01:12:26,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-15 01:12:26,446 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:26,446 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:26,447 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:26,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:26,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1146213545, now seen corresponding path program 1 times [2019-10-15 01:12:26,447 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:26,447 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666876910] [2019-10-15 01:12:26,448 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:26,448 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:26,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:26,654 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 01:12:26,654 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666876910] [2019-10-15 01:12:26,655 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:26,655 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:12:26,656 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252847072] [2019-10-15 01:12:26,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:12:26,657 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:26,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:12:26,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:12:26,658 INFO L87 Difference]: Start difference. First operand 5040 states and 7641 transitions. Second operand 9 states. [2019-10-15 01:12:26,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:26,941 INFO L93 Difference]: Finished difference Result 6351 states and 9259 transitions. [2019-10-15 01:12:26,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:12:26,942 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 188 [2019-10-15 01:12:26,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:26,985 INFO L225 Difference]: With dead ends: 6351 [2019-10-15 01:12:26,986 INFO L226 Difference]: Without dead ends: 5160 [2019-10-15 01:12:26,999 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-10-15 01:12:27,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5160 states. [2019-10-15 01:12:27,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5160 to 5120. [2019-10-15 01:12:27,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5120 states. [2019-10-15 01:12:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5120 states to 5120 states and 7753 transitions. [2019-10-15 01:12:27,355 INFO L78 Accepts]: Start accepts. Automaton has 5120 states and 7753 transitions. Word has length 188 [2019-10-15 01:12:27,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:27,356 INFO L462 AbstractCegarLoop]: Abstraction has 5120 states and 7753 transitions. [2019-10-15 01:12:27,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:12:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 5120 states and 7753 transitions. [2019-10-15 01:12:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-15 01:12:27,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:27,379 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:27,379 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:27,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:27,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1940320586, now seen corresponding path program 1 times [2019-10-15 01:12:27,380 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:27,380 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186763755] [2019-10-15 01:12:27,380 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:27,380 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:27,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 01:12:27,558 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186763755] [2019-10-15 01:12:27,558 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:27,559 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:12:27,559 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560320593] [2019-10-15 01:12:27,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:12:27,560 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:27,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:12:27,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:12:27,561 INFO L87 Difference]: Start difference. First operand 5120 states and 7753 transitions. Second operand 9 states. [2019-10-15 01:12:27,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:27,917 INFO L93 Difference]: Finished difference Result 6431 states and 9357 transitions. [2019-10-15 01:12:27,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:12:27,918 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 188 [2019-10-15 01:12:27,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:27,947 INFO L225 Difference]: With dead ends: 6431 [2019-10-15 01:12:27,948 INFO L226 Difference]: Without dead ends: 5160 [2019-10-15 01:12:27,953 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-10-15 01:12:27,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5160 states. [2019-10-15 01:12:28,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5160 to 5120. [2019-10-15 01:12:28,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5120 states. [2019-10-15 01:12:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5120 states to 5120 states and 7731 transitions. [2019-10-15 01:12:28,184 INFO L78 Accepts]: Start accepts. Automaton has 5120 states and 7731 transitions. Word has length 188 [2019-10-15 01:12:28,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:28,185 INFO L462 AbstractCegarLoop]: Abstraction has 5120 states and 7731 transitions. [2019-10-15 01:12:28,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:12:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 5120 states and 7731 transitions. [2019-10-15 01:12:28,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-15 01:12:28,207 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:28,207 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:28,208 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:28,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:28,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1695327940, now seen corresponding path program 1 times [2019-10-15 01:12:28,208 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:28,208 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693219005] [2019-10-15 01:12:28,209 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:28,209 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:28,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 01:12:28,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693219005] [2019-10-15 01:12:28,385 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:28,385 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:12:28,385 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82006030] [2019-10-15 01:12:28,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:12:28,386 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:28,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:12:28,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:12:28,386 INFO L87 Difference]: Start difference. First operand 5120 states and 7731 transitions. Second operand 6 states. [2019-10-15 01:12:28,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:28,982 INFO L93 Difference]: Finished difference Result 11434 states and 16969 transitions. [2019-10-15 01:12:28,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:12:28,983 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2019-10-15 01:12:28,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:29,140 INFO L225 Difference]: With dead ends: 11434 [2019-10-15 01:12:29,140 INFO L226 Difference]: Without dead ends: 9882 [2019-10-15 01:12:29,150 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:12:29,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9882 states. [2019-10-15 01:12:29,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9882 to 9821. [2019-10-15 01:12:29,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9821 states. [2019-10-15 01:12:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9821 states to 9821 states and 14995 transitions. [2019-10-15 01:12:29,555 INFO L78 Accepts]: Start accepts. Automaton has 9821 states and 14995 transitions. Word has length 189 [2019-10-15 01:12:29,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:29,555 INFO L462 AbstractCegarLoop]: Abstraction has 9821 states and 14995 transitions. [2019-10-15 01:12:29,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:12:29,556 INFO L276 IsEmpty]: Start isEmpty. Operand 9821 states and 14995 transitions. [2019-10-15 01:12:29,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-15 01:12:29,596 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:29,597 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:29,597 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:29,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:29,598 INFO L82 PathProgramCache]: Analyzing trace with hash 758547445, now seen corresponding path program 1 times [2019-10-15 01:12:29,598 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:29,598 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654314799] [2019-10-15 01:12:29,599 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:29,599 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:29,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:29,719 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-15 01:12:29,719 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654314799] [2019-10-15 01:12:29,720 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:29,720 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:12:29,720 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784221645] [2019-10-15 01:12:29,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:12:29,721 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:29,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:12:29,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:12:29,721 INFO L87 Difference]: Start difference. First operand 9821 states and 14995 transitions. Second operand 3 states. [2019-10-15 01:12:30,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:30,708 INFO L93 Difference]: Finished difference Result 24393 states and 38301 transitions. [2019-10-15 01:12:30,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:12:30,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-10-15 01:12:30,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:30,765 INFO L225 Difference]: With dead ends: 24393 [2019-10-15 01:12:30,765 INFO L226 Difference]: Without dead ends: 14635 [2019-10-15 01:12:30,797 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 01:12:30,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14635 states. [2019-10-15 01:12:31,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14635 to 14621. [2019-10-15 01:12:31,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14621 states. [2019-10-15 01:12:31,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14621 states to 14621 states and 23235 transitions. [2019-10-15 01:12:31,482 INFO L78 Accepts]: Start accepts. Automaton has 14621 states and 23235 transitions. Word has length 191 [2019-10-15 01:12:31,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:31,482 INFO L462 AbstractCegarLoop]: Abstraction has 14621 states and 23235 transitions. [2019-10-15 01:12:31,482 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:12:31,482 INFO L276 IsEmpty]: Start isEmpty. Operand 14621 states and 23235 transitions. [2019-10-15 01:12:31,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-15 01:12:31,532 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:31,533 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:31,533 INFO L410 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:31,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:31,534 INFO L82 PathProgramCache]: Analyzing trace with hash 991037399, now seen corresponding path program 1 times [2019-10-15 01:12:31,534 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:31,534 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868313058] [2019-10-15 01:12:31,534 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:31,534 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:31,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:31,646 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-15 01:12:31,647 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868313058] [2019-10-15 01:12:31,647 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:31,647 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:12:31,647 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828132593] [2019-10-15 01:12:31,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:12:31,648 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:31,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:12:31,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:12:31,649 INFO L87 Difference]: Start difference. First operand 14621 states and 23235 transitions. Second operand 3 states. [2019-10-15 01:12:32,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:32,274 INFO L93 Difference]: Finished difference Result 38409 states and 62381 transitions. [2019-10-15 01:12:32,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:12:32,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-10-15 01:12:32,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:32,382 INFO L225 Difference]: With dead ends: 38409 [2019-10-15 01:12:32,382 INFO L226 Difference]: Without dead ends: 23851 [2019-10-15 01:12:32,441 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 01:12:32,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23851 states. [2019-10-15 01:12:33,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23851 to 23837. [2019-10-15 01:12:33,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23837 states. [2019-10-15 01:12:33,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23837 states to 23837 states and 38947 transitions. [2019-10-15 01:12:33,672 INFO L78 Accepts]: Start accepts. Automaton has 23837 states and 38947 transitions. Word has length 192 [2019-10-15 01:12:33,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:33,673 INFO L462 AbstractCegarLoop]: Abstraction has 23837 states and 38947 transitions. [2019-10-15 01:12:33,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:12:33,673 INFO L276 IsEmpty]: Start isEmpty. Operand 23837 states and 38947 transitions. [2019-10-15 01:12:33,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-15 01:12:33,734 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:12:33,735 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 01:12:33,735 INFO L410 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:12:33,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:12:33,736 INFO L82 PathProgramCache]: Analyzing trace with hash 33373653, now seen corresponding path program 1 times [2019-10-15 01:12:33,736 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:12:33,736 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782041867] [2019-10-15 01:12:33,736 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:33,736 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:12:33,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:12:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:12:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 01:12:33,880 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782041867] [2019-10-15 01:12:33,881 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:12:33,881 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:12:33,881 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512706733] [2019-10-15 01:12:33,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:12:33,882 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:12:33,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:12:33,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:12:33,882 INFO L87 Difference]: Start difference. First operand 23837 states and 38947 transitions. Second operand 8 states. [2019-10-15 01:12:34,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:12:34,899 INFO L93 Difference]: Finished difference Result 23837 states and 38947 transitions. [2019-10-15 01:12:34,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:12:34,900 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 193 [2019-10-15 01:12:34,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:12:34,905 INFO L225 Difference]: With dead ends: 23837 [2019-10-15 01:12:34,905 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:12:34,962 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:12:34,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:12:34,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:12:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:12:34,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:12:34,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2019-10-15 01:12:34,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:12:34,967 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:12:34,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:12:34,967 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:12:34,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:12:34,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:12:35,422 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 10 [2019-10-15 01:12:36,005 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:36,765 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:37,260 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:37,451 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:38,239 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:38,407 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:38,756 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:38,985 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:39,221 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:39,399 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:39,620 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:40,405 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 10 [2019-10-15 01:12:40,929 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:41,164 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:41,426 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 6 [2019-10-15 01:12:41,961 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:42,195 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-15 01:12:42,562 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 10 [2019-10-15 01:12:43,652 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29