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-f4eb214f-m [2019-10-13 21:13:15,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:13:15,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:13:15,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:13:15,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:13:15,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:13:15,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:13:15,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:13:15,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:13:15,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:13:15,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:13:15,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:13:15,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:13:15,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:13:15,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:13:15,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:13:15,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:13:15,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:13:15,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:13:15,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:13:15,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:13:15,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:13:15,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:13:15,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:13:15,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:13:15,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:13:15,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:13:15,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:13:15,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:13:15,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:13:15,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:13:15,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:13:15,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:13:15,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:13:15,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:13:15,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:13:15,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:13:15,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:13:15,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:13:15,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:13:15,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:13:15,092 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 [2019-10-13 21:13:15,126 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:13:15,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:13:15,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:13:15,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:13:15,128 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:13:15,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:13:15,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:13:15,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:13:15,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:13:15,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:13:15,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:13:15,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:13:15,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:13:15,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:13:15,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:13:15,130 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:13:15,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:13:15,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:13:15,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:13:15,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:13:15,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:13:15,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:13:15,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:13:15,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:13:15,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:13:15,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:13:15,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:13:15,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:13:15,132 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 [2019-10-13 21:13:15,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:13:15,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:13:15,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:13:15,426 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:13:15,426 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:13:15,427 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product37.cil.c [2019-10-13 21:13:15,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1ed1207/be92dbe4eec340deb1c4d8cd51cbbc8e/FLAG00b0d0bbf [2019-10-13 21:13:16,173 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:13:16,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product37.cil.c [2019-10-13 21:13:16,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1ed1207/be92dbe4eec340deb1c4d8cd51cbbc8e/FLAG00b0d0bbf [2019-10-13 21:13:16,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1ed1207/be92dbe4eec340deb1c4d8cd51cbbc8e [2019-10-13 21:13:16,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:13:16,438 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:13:16,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:13:16,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:13:16,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:13:16,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:13:16" (1/1) ... [2019-10-13 21:13:16,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f542093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:13:16, skipping insertion in model container [2019-10-13 21:13:16,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:13:16" (1/1) ... [2019-10-13 21:13:16,455 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:13:16,533 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:13:17,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:13:17,363 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:13:17,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:13:17,551 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:13:17,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:13:17 WrapperNode [2019-10-13 21:13:17,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:13:17,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:13:17,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:13:17,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:13:17,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:13:17" (1/1) ... [2019-10-13 21:13:17,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:13:17" (1/1) ... [2019-10-13 21:13:17,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:13:17" (1/1) ... [2019-10-13 21:13:17,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:13:17" (1/1) ... [2019-10-13 21:13:17,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:13:17" (1/1) ... [2019-10-13 21:13:17,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:13:17" (1/1) ... [2019-10-13 21:13:17,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:13:17" (1/1) ... [2019-10-13 21:13:17,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:13:17,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:13:17,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:13:17,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:13:17,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:13:17" (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 [2019-10-13 21:13:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:13:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:13:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:13:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:13:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 21:13:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 21:13:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 21:13:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 21:13:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 21:13:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 21:13:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 21:13:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 21:13:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:13:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:13:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 21:13:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 21:13:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 21:13:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 21:13:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 21:13:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 21:13:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 21:13:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 21:13:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 21:13:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 21:13:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 21:13:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 21:13:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 21:13:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 21:13:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 21:13:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 21:13:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 21:13:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 21:13:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 21:13:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 21:13:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 21:13:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 21:13:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 21:13:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 21:13:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 21:13:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 21:13:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 21:13:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 21:13:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 21:13:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 21:13:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 21:13:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 21:13:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 21:13:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 21:13:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 21:13:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 21:13:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 21:13:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 21:13:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 21:13:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 21:13:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 21:13:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 21:13:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 21:13:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-13 21:13:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-13 21:13:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 21:13:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 21:13:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 21:13:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 21:13:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 21:13:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 21:13:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 21:13:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 21:13:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 21:13:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 21:13:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 21:13:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:13:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:13:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:13:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:13:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 21:13:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 21:13:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 21:13:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 21:13:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 21:13:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 21:13:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 21:13:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 21:13:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 21:13:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 21:13:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 21:13:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 21:13:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 21:13:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 21:13:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 21:13:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 21:13:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 21:13:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 21:13:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 21:13:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 21:13:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 21:13:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 21:13:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:13:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:13:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:13:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:13:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:13:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:13:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 21:13:17,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 21:13:17,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 21:13:17,818 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 21:13:17,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-13 21:13:17,818 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:13:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:13:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:13:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:13:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:13:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 21:13:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 21:13:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 21:13:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 21:13:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 21:13:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 21:13:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 21:13:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 21:13:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 21:13:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 21:13:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:13:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:13:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:13:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 21:13:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 21:13:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 21:13:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 21:13:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 21:13:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 21:13:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 21:13:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 21:13:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 21:13:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 21:13:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 21:13:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:13:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:13:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:13:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 21:13:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 21:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 21:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 21:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 21:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 21:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 21:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 21:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 21:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 21:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 21:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 21:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 21:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 21:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 21:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 21:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 21:13:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 21:13:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 21:13:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 21:13:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 21:13:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 21:13:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 21:13:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 21:13:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 21:13:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 21:13:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 21:13:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 21:13:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 21:13:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 21:13:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 21:13:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 21:13:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 21:13:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 21:13:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 21:13:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 21:13:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 21:13:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 21:13:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 21:13:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 21:13:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 21:13:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 21:13:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 21:13:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 21:13:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 21:13:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 21:13:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 21:13:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 21:13:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-13 21:13:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-13 21:13:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-13 21:13:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:13:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 21:13:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 21:13:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 21:13:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 21:13:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 21:13:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 21:13:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 21:13:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 21:13:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 21:13:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 21:13:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 21:13:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 21:13:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 21:13:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 21:13:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 21:13:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 21:13:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 21:13:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 21:13:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:13:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:13:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:13:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:13:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:13:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:13:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:13:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:13:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:13:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:13:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:13:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:13:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:13:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:13:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:13:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:13:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 21:13:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 21:13:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:13:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:13:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:13:19,793 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:13:19,793 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 21:13:19,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:13:19 BoogieIcfgContainer [2019-10-13 21:13:19,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:13:19,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:13:19,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:13:19,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:13:19,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:13:16" (1/3) ... [2019-10-13 21:13:19,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c22efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:13:19, skipping insertion in model container [2019-10-13 21:13:19,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:13:17" (2/3) ... [2019-10-13 21:13:19,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c22efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:13:19, skipping insertion in model container [2019-10-13 21:13:19,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:13:19" (3/3) ... [2019-10-13 21:13:19,806 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product37.cil.c [2019-10-13 21:13:19,816 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:13:19,829 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:13:19,840 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:13:19,882 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:13:19,882 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:13:19,882 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:13:19,882 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:13:19,882 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:13:19,882 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:13:19,883 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:13:19,883 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:13:19,926 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states. [2019-10-13 21:13:19,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-13 21:13:19,960 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:19,962 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] [2019-10-13 21:13:19,965 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:19,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:19,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1866097905, now seen corresponding path program 1 times [2019-10-13 21:13:19,986 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:19,987 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189408338] [2019-10-13 21:13:19,988 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:19,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:19,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-13 21:13:20,730 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189408338] [2019-10-13 21:13:20,731 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:20,731 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:13:20,740 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991132583] [2019-10-13 21:13:20,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:13:20,751 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:20,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:13:20,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:13:20,769 INFO L87 Difference]: Start difference. First operand 418 states. Second operand 2 states. [2019-10-13 21:13:20,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:20,874 INFO L93 Difference]: Finished difference Result 567 states and 734 transitions. [2019-10-13 21:13:20,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:13:20,876 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 168 [2019-10-13 21:13:20,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:20,911 INFO L225 Difference]: With dead ends: 567 [2019-10-13 21:13:20,911 INFO L226 Difference]: Without dead ends: 395 [2019-10-13 21:13:20,919 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 [2019-10-13 21:13:20,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-13 21:13:21,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2019-10-13 21:13:21,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-10-13 21:13:21,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 518 transitions. [2019-10-13 21:13:21,086 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 518 transitions. Word has length 168 [2019-10-13 21:13:21,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:21,088 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 518 transitions. [2019-10-13 21:13:21,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:13:21,089 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 518 transitions. [2019-10-13 21:13:21,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-13 21:13:21,099 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:21,099 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] [2019-10-13 21:13:21,102 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:21,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:21,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1166552557, now seen corresponding path program 1 times [2019-10-13 21:13:21,103 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:21,103 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89603578] [2019-10-13 21:13:21,104 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:21,104 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:21,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:21,406 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-13 21:13:21,407 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89603578] [2019-10-13 21:13:21,407 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:21,408 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:13:21,408 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604675918] [2019-10-13 21:13:21,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:13:21,410 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:21,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:13:21,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:13:21,411 INFO L87 Difference]: Start difference. First operand 395 states and 518 transitions. Second operand 3 states. [2019-10-13 21:13:21,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:21,459 INFO L93 Difference]: Finished difference Result 550 states and 702 transitions. [2019-10-13 21:13:21,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:13:21,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-10-13 21:13:21,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:21,467 INFO L225 Difference]: With dead ends: 550 [2019-10-13 21:13:21,468 INFO L226 Difference]: Without dead ends: 398 [2019-10-13 21:13:21,471 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 [2019-10-13 21:13:21,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2019-10-13 21:13:21,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 397. [2019-10-13 21:13:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-10-13 21:13:21,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 520 transitions. [2019-10-13 21:13:21,523 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 520 transitions. Word has length 169 [2019-10-13 21:13:21,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:21,524 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 520 transitions. [2019-10-13 21:13:21,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:13:21,524 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 520 transitions. [2019-10-13 21:13:21,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-13 21:13:21,529 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:21,529 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] [2019-10-13 21:13:21,530 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:21,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:21,530 INFO L82 PathProgramCache]: Analyzing trace with hash 62991774, now seen corresponding path program 1 times [2019-10-13 21:13:21,530 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:21,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799096155] [2019-10-13 21:13:21,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:21,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:21,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:21,780 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-13 21:13:21,783 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799096155] [2019-10-13 21:13:21,783 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:21,783 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:13:21,783 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684714087] [2019-10-13 21:13:21,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:13:21,785 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:21,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:13:21,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:13:21,785 INFO L87 Difference]: Start difference. First operand 397 states and 520 transitions. Second operand 3 states. [2019-10-13 21:13:21,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:21,815 INFO L93 Difference]: Finished difference Result 772 states and 1041 transitions. [2019-10-13 21:13:21,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:13:21,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-13 21:13:21,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:21,819 INFO L225 Difference]: With dead ends: 772 [2019-10-13 21:13:21,819 INFO L226 Difference]: Without dead ends: 440 [2019-10-13 21:13:21,821 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:13:21,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-10-13 21:13:21,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 439. [2019-10-13 21:13:21,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-10-13 21:13:21,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 592 transitions. [2019-10-13 21:13:21,842 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 592 transitions. Word has length 181 [2019-10-13 21:13:21,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:21,843 INFO L462 AbstractCegarLoop]: Abstraction has 439 states and 592 transitions. [2019-10-13 21:13:21,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:13:21,843 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 592 transitions. [2019-10-13 21:13:21,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-13 21:13:21,847 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:21,847 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] [2019-10-13 21:13:21,847 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:21,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:21,848 INFO L82 PathProgramCache]: Analyzing trace with hash -944488224, now seen corresponding path program 1 times [2019-10-13 21:13:21,848 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:21,848 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853851540] [2019-10-13 21:13:21,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:21,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:21,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-13 21:13:21,998 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853851540] [2019-10-13 21:13:21,999 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:21,999 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:13:21,999 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829965090] [2019-10-13 21:13:22,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:13:22,000 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:22,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:13:22,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:13:22,005 INFO L87 Difference]: Start difference. First operand 439 states and 592 transitions. Second operand 3 states. [2019-10-13 21:13:22,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:22,043 INFO L93 Difference]: Finished difference Result 895 states and 1252 transitions. [2019-10-13 21:13:22,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:13:22,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2019-10-13 21:13:22,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:22,052 INFO L225 Difference]: With dead ends: 895 [2019-10-13 21:13:22,052 INFO L226 Difference]: Without dead ends: 521 [2019-10-13 21:13:22,054 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 [2019-10-13 21:13:22,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-10-13 21:13:22,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 520. [2019-10-13 21:13:22,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-10-13 21:13:22,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 730 transitions. [2019-10-13 21:13:22,097 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 730 transitions. Word has length 182 [2019-10-13 21:13:22,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:22,098 INFO L462 AbstractCegarLoop]: Abstraction has 520 states and 730 transitions. [2019-10-13 21:13:22,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:13:22,098 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 730 transitions. [2019-10-13 21:13:22,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-13 21:13:22,107 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:22,107 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] [2019-10-13 21:13:22,108 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:22,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:22,108 INFO L82 PathProgramCache]: Analyzing trace with hash -595727652, now seen corresponding path program 1 times [2019-10-13 21:13:22,109 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:22,110 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946566042] [2019-10-13 21:13:22,110 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:22,110 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:22,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:22,565 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-13 21:13:22,565 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946566042] [2019-10-13 21:13:22,566 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:22,566 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 21:13:22,567 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526537804] [2019-10-13 21:13:22,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 21:13:22,568 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:22,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 21:13:22,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:13:22,570 INFO L87 Difference]: Start difference. First operand 520 states and 730 transitions. Second operand 13 states. [2019-10-13 21:13:25,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:25,063 INFO L93 Difference]: Finished difference Result 1129 states and 1580 transitions. [2019-10-13 21:13:25,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 21:13:25,064 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 185 [2019-10-13 21:13:25,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:25,072 INFO L225 Difference]: With dead ends: 1129 [2019-10-13 21:13:25,072 INFO L226 Difference]: Without dead ends: 990 [2019-10-13 21:13:25,074 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2019-10-13 21:13:25,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2019-10-13 21:13:25,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 982. [2019-10-13 21:13:25,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 982 states. [2019-10-13 21:13:25,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1397 transitions. [2019-10-13 21:13:25,129 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1397 transitions. Word has length 185 [2019-10-13 21:13:25,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:25,130 INFO L462 AbstractCegarLoop]: Abstraction has 982 states and 1397 transitions. [2019-10-13 21:13:25,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-13 21:13:25,130 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1397 transitions. [2019-10-13 21:13:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-13 21:13:25,135 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:25,136 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] [2019-10-13 21:13:25,136 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:25,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:25,136 INFO L82 PathProgramCache]: Analyzing trace with hash -159800450, now seen corresponding path program 1 times [2019-10-13 21:13:25,137 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:25,137 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717385879] [2019-10-13 21:13:25,137 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:25,137 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:25,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-13 21:13:25,273 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717385879] [2019-10-13 21:13:25,273 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:25,273 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:13:25,274 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676933542] [2019-10-13 21:13:25,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:13:25,275 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:25,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:13:25,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:13:25,275 INFO L87 Difference]: Start difference. First operand 982 states and 1397 transitions. Second operand 3 states. [2019-10-13 21:13:25,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:25,333 INFO L93 Difference]: Finished difference Result 2213 states and 3261 transitions. [2019-10-13 21:13:25,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:13:25,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-10-13 21:13:25,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:25,344 INFO L225 Difference]: With dead ends: 2213 [2019-10-13 21:13:25,344 INFO L226 Difference]: Without dead ends: 1296 [2019-10-13 21:13:25,347 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 [2019-10-13 21:13:25,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2019-10-13 21:13:25,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1294. [2019-10-13 21:13:25,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1294 states. [2019-10-13 21:13:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1927 transitions. [2019-10-13 21:13:25,427 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1927 transitions. Word has length 183 [2019-10-13 21:13:25,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:25,429 INFO L462 AbstractCegarLoop]: Abstraction has 1294 states and 1927 transitions. [2019-10-13 21:13:25,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:13:25,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1927 transitions. [2019-10-13 21:13:25,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-13 21:13:25,438 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:25,438 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] [2019-10-13 21:13:25,439 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:25,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:25,439 INFO L82 PathProgramCache]: Analyzing trace with hash -478463827, now seen corresponding path program 1 times [2019-10-13 21:13:25,440 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:25,440 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641504504] [2019-10-13 21:13:25,440 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:25,440 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:25,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:25,797 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-13 21:13:25,797 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641504504] [2019-10-13 21:13:25,798 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:25,798 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:13:25,798 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631753347] [2019-10-13 21:13:25,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:13:25,800 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:25,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:13:25,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:13:25,801 INFO L87 Difference]: Start difference. First operand 1294 states and 1927 transitions. Second operand 9 states. [2019-10-13 21:13:26,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:26,010 INFO L93 Difference]: Finished difference Result 1600 states and 2301 transitions. [2019-10-13 21:13:26,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:13:26,013 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 186 [2019-10-13 21:13:26,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:26,022 INFO L225 Difference]: With dead ends: 1600 [2019-10-13 21:13:26,022 INFO L226 Difference]: Without dead ends: 1317 [2019-10-13 21:13:26,027 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 [2019-10-13 21:13:26,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2019-10-13 21:13:26,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1305. [2019-10-13 21:13:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1305 states. [2019-10-13 21:13:26,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1941 transitions. [2019-10-13 21:13:26,125 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1941 transitions. Word has length 186 [2019-10-13 21:13:26,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:26,129 INFO L462 AbstractCegarLoop]: Abstraction has 1305 states and 1941 transitions. [2019-10-13 21:13:26,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:13:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1941 transitions. [2019-10-13 21:13:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-13 21:13:26,140 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:26,140 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] [2019-10-13 21:13:26,141 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:26,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:26,141 INFO L82 PathProgramCache]: Analyzing trace with hash 2016645626, now seen corresponding path program 1 times [2019-10-13 21:13:26,142 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:26,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49892053] [2019-10-13 21:13:26,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:26,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:26,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:26,412 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-13 21:13:26,413 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49892053] [2019-10-13 21:13:26,413 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:26,414 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:13:26,414 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091591702] [2019-10-13 21:13:26,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:13:26,417 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:26,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:13:26,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:13:26,418 INFO L87 Difference]: Start difference. First operand 1305 states and 1941 transitions. Second operand 6 states. [2019-10-13 21:13:26,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:26,978 INFO L93 Difference]: Finished difference Result 2855 states and 4201 transitions. [2019-10-13 21:13:26,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:13:26,979 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 186 [2019-10-13 21:13:26,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:26,999 INFO L225 Difference]: With dead ends: 2855 [2019-10-13 21:13:26,999 INFO L226 Difference]: Without dead ends: 2561 [2019-10-13 21:13:27,001 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 [2019-10-13 21:13:27,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2019-10-13 21:13:27,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 2550. [2019-10-13 21:13:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2550 states. [2019-10-13 21:13:27,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3835 transitions. [2019-10-13 21:13:27,150 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3835 transitions. Word has length 186 [2019-10-13 21:13:27,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:27,151 INFO L462 AbstractCegarLoop]: Abstraction has 2550 states and 3835 transitions. [2019-10-13 21:13:27,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:13:27,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3835 transitions. [2019-10-13 21:13:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-13 21:13:27,165 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:27,165 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] [2019-10-13 21:13:27,165 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:27,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:27,166 INFO L82 PathProgramCache]: Analyzing trace with hash -844024263, now seen corresponding path program 1 times [2019-10-13 21:13:27,166 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:27,166 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485908937] [2019-10-13 21:13:27,167 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:27,167 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:27,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:27,332 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-13 21:13:27,333 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485908937] [2019-10-13 21:13:27,333 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:27,333 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:13:27,334 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349052194] [2019-10-13 21:13:27,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:13:27,334 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:27,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:13:27,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:13:27,335 INFO L87 Difference]: Start difference. First operand 2550 states and 3835 transitions. Second operand 6 states. [2019-10-13 21:13:27,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:27,906 INFO L93 Difference]: Finished difference Result 5672 states and 8405 transitions. [2019-10-13 21:13:27,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:13:27,907 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2019-10-13 21:13:27,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:27,942 INFO L225 Difference]: With dead ends: 5672 [2019-10-13 21:13:27,942 INFO L226 Difference]: Without dead ends: 5079 [2019-10-13 21:13:27,949 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 [2019-10-13 21:13:27,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5079 states. [2019-10-13 21:13:28,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5079 to 5040. [2019-10-13 21:13:28,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5040 states. [2019-10-13 21:13:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5040 states to 5040 states and 7641 transitions. [2019-10-13 21:13:28,363 INFO L78 Accepts]: Start accepts. Automaton has 5040 states and 7641 transitions. Word has length 187 [2019-10-13 21:13:28,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:28,364 INFO L462 AbstractCegarLoop]: Abstraction has 5040 states and 7641 transitions. [2019-10-13 21:13:28,364 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:13:28,365 INFO L276 IsEmpty]: Start isEmpty. Operand 5040 states and 7641 transitions. [2019-10-13 21:13:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-13 21:13:28,392 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:28,393 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] [2019-10-13 21:13:28,393 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:28,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:28,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1146213545, now seen corresponding path program 1 times [2019-10-13 21:13:28,394 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:28,395 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389920790] [2019-10-13 21:13:28,395 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:28,395 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:28,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:28,592 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-13 21:13:28,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389920790] [2019-10-13 21:13:28,593 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:28,594 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:13:28,594 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655150021] [2019-10-13 21:13:28,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:13:28,595 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:28,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:13:28,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:13:28,596 INFO L87 Difference]: Start difference. First operand 5040 states and 7641 transitions. Second operand 9 states. [2019-10-13 21:13:28,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:28,882 INFO L93 Difference]: Finished difference Result 6351 states and 9259 transitions. [2019-10-13 21:13:28,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:13:28,882 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 188 [2019-10-13 21:13:28,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:28,916 INFO L225 Difference]: With dead ends: 6351 [2019-10-13 21:13:28,916 INFO L226 Difference]: Without dead ends: 5160 [2019-10-13 21:13:28,926 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 [2019-10-13 21:13:28,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5160 states. [2019-10-13 21:13:29,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5160 to 5120. [2019-10-13 21:13:29,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5120 states. [2019-10-13 21:13:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5120 states to 5120 states and 7753 transitions. [2019-10-13 21:13:29,206 INFO L78 Accepts]: Start accepts. Automaton has 5120 states and 7753 transitions. Word has length 188 [2019-10-13 21:13:29,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:29,207 INFO L462 AbstractCegarLoop]: Abstraction has 5120 states and 7753 transitions. [2019-10-13 21:13:29,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:13:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 5120 states and 7753 transitions. [2019-10-13 21:13:29,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-13 21:13:29,228 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:29,228 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] [2019-10-13 21:13:29,229 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:29,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:29,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1940320586, now seen corresponding path program 1 times [2019-10-13 21:13:29,229 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:29,230 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124320740] [2019-10-13 21:13:29,230 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:29,230 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:29,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-13 21:13:29,502 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124320740] [2019-10-13 21:13:29,502 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:29,502 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:13:29,503 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371156540] [2019-10-13 21:13:29,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:13:29,504 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:29,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:13:29,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:13:29,504 INFO L87 Difference]: Start difference. First operand 5120 states and 7753 transitions. Second operand 9 states. [2019-10-13 21:13:29,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:29,807 INFO L93 Difference]: Finished difference Result 6431 states and 9357 transitions. [2019-10-13 21:13:29,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:13:29,808 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 188 [2019-10-13 21:13:29,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:29,840 INFO L225 Difference]: With dead ends: 6431 [2019-10-13 21:13:29,841 INFO L226 Difference]: Without dead ends: 5160 [2019-10-13 21:13:29,848 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-10-13 21:13:29,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5160 states. [2019-10-13 21:13:30,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5160 to 5120. [2019-10-13 21:13:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5120 states. [2019-10-13 21:13:30,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5120 states to 5120 states and 7731 transitions. [2019-10-13 21:13:30,115 INFO L78 Accepts]: Start accepts. Automaton has 5120 states and 7731 transitions. Word has length 188 [2019-10-13 21:13:30,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:30,115 INFO L462 AbstractCegarLoop]: Abstraction has 5120 states and 7731 transitions. [2019-10-13 21:13:30,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:13:30,116 INFO L276 IsEmpty]: Start isEmpty. Operand 5120 states and 7731 transitions. [2019-10-13 21:13:30,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-13 21:13:30,136 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:30,136 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] [2019-10-13 21:13:30,137 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:30,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:30,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1695327940, now seen corresponding path program 1 times [2019-10-13 21:13:30,137 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:30,137 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593352085] [2019-10-13 21:13:30,138 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:30,138 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:30,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-13 21:13:30,313 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593352085] [2019-10-13 21:13:30,314 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:30,314 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:13:30,314 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124105448] [2019-10-13 21:13:30,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:13:30,315 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:30,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:13:30,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:13:30,315 INFO L87 Difference]: Start difference. First operand 5120 states and 7731 transitions. Second operand 6 states. [2019-10-13 21:13:31,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:31,040 INFO L93 Difference]: Finished difference Result 11434 states and 16969 transitions. [2019-10-13 21:13:31,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:13:31,040 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2019-10-13 21:13:31,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:31,100 INFO L225 Difference]: With dead ends: 11434 [2019-10-13 21:13:31,100 INFO L226 Difference]: Without dead ends: 9882 [2019-10-13 21:13:31,110 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 [2019-10-13 21:13:31,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9882 states. [2019-10-13 21:13:31,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9882 to 9821. [2019-10-13 21:13:31,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9821 states. [2019-10-13 21:13:31,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9821 states to 9821 states and 14995 transitions. [2019-10-13 21:13:31,514 INFO L78 Accepts]: Start accepts. Automaton has 9821 states and 14995 transitions. Word has length 189 [2019-10-13 21:13:31,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:31,514 INFO L462 AbstractCegarLoop]: Abstraction has 9821 states and 14995 transitions. [2019-10-13 21:13:31,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:13:31,515 INFO L276 IsEmpty]: Start isEmpty. Operand 9821 states and 14995 transitions. [2019-10-13 21:13:31,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-13 21:13:31,553 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:31,554 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] [2019-10-13 21:13:31,554 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:31,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:31,555 INFO L82 PathProgramCache]: Analyzing trace with hash 758547445, now seen corresponding path program 1 times [2019-10-13 21:13:31,555 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:31,555 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618769144] [2019-10-13 21:13:31,555 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:31,555 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:31,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:31,674 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-13 21:13:31,674 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618769144] [2019-10-13 21:13:31,675 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:31,675 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:13:31,675 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167106579] [2019-10-13 21:13:31,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:13:31,676 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:31,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:13:31,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:13:31,676 INFO L87 Difference]: Start difference. First operand 9821 states and 14995 transitions. Second operand 3 states. [2019-10-13 21:13:32,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:32,101 INFO L93 Difference]: Finished difference Result 24393 states and 38301 transitions. [2019-10-13 21:13:32,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:13:32,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-10-13 21:13:32,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:32,166 INFO L225 Difference]: With dead ends: 24393 [2019-10-13 21:13:32,167 INFO L226 Difference]: Without dead ends: 14635 [2019-10-13 21:13:32,202 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 [2019-10-13 21:13:32,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14635 states. [2019-10-13 21:13:32,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14635 to 14621. [2019-10-13 21:13:32,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14621 states. [2019-10-13 21:13:32,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14621 states to 14621 states and 23235 transitions. [2019-10-13 21:13:32,831 INFO L78 Accepts]: Start accepts. Automaton has 14621 states and 23235 transitions. Word has length 191 [2019-10-13 21:13:32,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:32,832 INFO L462 AbstractCegarLoop]: Abstraction has 14621 states and 23235 transitions. [2019-10-13 21:13:32,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:13:32,832 INFO L276 IsEmpty]: Start isEmpty. Operand 14621 states and 23235 transitions. [2019-10-13 21:13:32,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-13 21:13:32,905 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:32,905 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] [2019-10-13 21:13:32,905 INFO L410 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:32,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:32,906 INFO L82 PathProgramCache]: Analyzing trace with hash 991037399, now seen corresponding path program 1 times [2019-10-13 21:13:32,906 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:32,906 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972955020] [2019-10-13 21:13:32,907 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:32,907 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:32,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:33,066 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-13 21:13:33,066 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972955020] [2019-10-13 21:13:33,067 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:33,067 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:13:33,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133227112] [2019-10-13 21:13:33,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:13:33,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:33,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:13:33,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:13:33,069 INFO L87 Difference]: Start difference. First operand 14621 states and 23235 transitions. Second operand 3 states. [2019-10-13 21:13:33,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:33,792 INFO L93 Difference]: Finished difference Result 38409 states and 62381 transitions. [2019-10-13 21:13:33,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:13:33,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-10-13 21:13:33,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:33,906 INFO L225 Difference]: With dead ends: 38409 [2019-10-13 21:13:33,906 INFO L226 Difference]: Without dead ends: 23851 [2019-10-13 21:13:33,977 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 [2019-10-13 21:13:34,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23851 states. [2019-10-13 21:13:35,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23851 to 23837. [2019-10-13 21:13:35,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23837 states. [2019-10-13 21:13:35,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23837 states to 23837 states and 38947 transitions. [2019-10-13 21:13:35,952 INFO L78 Accepts]: Start accepts. Automaton has 23837 states and 38947 transitions. Word has length 192 [2019-10-13 21:13:35,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:35,952 INFO L462 AbstractCegarLoop]: Abstraction has 23837 states and 38947 transitions. [2019-10-13 21:13:35,953 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:13:35,953 INFO L276 IsEmpty]: Start isEmpty. Operand 23837 states and 38947 transitions. [2019-10-13 21:13:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-13 21:13:36,031 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:13:36,031 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] [2019-10-13 21:13:36,031 INFO L410 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:13:36,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:13:36,032 INFO L82 PathProgramCache]: Analyzing trace with hash 33373653, now seen corresponding path program 1 times [2019-10-13 21:13:36,032 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:13:36,032 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853884275] [2019-10-13 21:13:36,032 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:36,033 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:13:36,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:13:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:13:36,209 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-13 21:13:36,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853884275] [2019-10-13 21:13:36,210 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:13:36,210 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:13:36,211 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875116421] [2019-10-13 21:13:36,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:13:36,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:13:36,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:13:36,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:13:36,213 INFO L87 Difference]: Start difference. First operand 23837 states and 38947 transitions. Second operand 8 states. [2019-10-13 21:13:36,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:13:36,677 INFO L93 Difference]: Finished difference Result 23837 states and 38947 transitions. [2019-10-13 21:13:36,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:13:36,678 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 193 [2019-10-13 21:13:36,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:13:36,679 INFO L225 Difference]: With dead ends: 23837 [2019-10-13 21:13:36,679 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:13:36,953 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 [2019-10-13 21:13:36,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:13:36,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:13:36,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:13:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:13:36,957 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2019-10-13 21:13:36,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:13:36,958 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:13:36,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:13:36,958 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:13:36,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:13:36,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:13:37,404 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 10 [2019-10-13 21:13:38,057 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:39,566 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:39,810 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 10 [2019-10-13 21:13:40,165 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:40,392 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:41,343 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:41,727 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:42,088 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:42,431 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:42,655 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:42,810 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:43,050 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:44,295 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:44,453 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:44,688 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 6 [2019-10-13 21:13:44,981 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6 [2019-10-13 21:13:45,274 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 6