/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 14:58:13,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 14:58:13,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 14:58:13,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 14:58:13,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 14:58:13,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 14:58:13,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 14:58:13,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 14:58:13,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 14:58:13,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 14:58:13,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 14:58:13,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 14:58:13,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 14:58:13,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 14:58:13,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 14:58:13,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 14:58:13,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 14:58:13,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 14:58:13,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 14:58:13,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 14:58:13,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 14:58:13,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 14:58:13,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 14:58:13,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 14:58:13,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 14:58:13,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 14:58:13,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 14:58:13,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 14:58:13,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 14:58:13,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 14:58:13,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 14:58:13,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 14:58:13,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 14:58:13,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 14:58:13,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 14:58:13,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 14:58:13,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 14:58:13,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 14:58:13,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 14:58:13,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 14:58:13,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 14:58:13,108 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 14:58:13,129 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 14:58:13,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 14:58:13,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 14:58:13,134 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 14:58:13,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 14:58:13,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 14:58:13,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 14:58:13,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 14:58:13,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 14:58:13,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 14:58:13,136 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 14:58:13,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 14:58:13,137 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 14:58:13,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 14:58:13,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 14:58:13,137 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 14:58:13,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 14:58:13,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 14:58:13,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 14:58:13,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 14:58:13,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 14:58:13,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 14:58:13,140 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 14:58:13,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 14:58:13,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 14:58:13,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 14:58:13,993 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 14:58:13,994 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 14:58:14,005 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-04 14:58:14,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/daf64d273/a444630f28194e098cf2cfc3dd0dc381/FLAG818ea6f5f [2020-09-04 14:58:14,821 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 14:58:14,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-04 14:58:14,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/daf64d273/a444630f28194e098cf2cfc3dd0dc381/FLAG818ea6f5f [2020-09-04 14:58:15,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/daf64d273/a444630f28194e098cf2cfc3dd0dc381 [2020-09-04 14:58:15,073 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 14:58:15,076 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 14:58:15,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 14:58:15,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 14:58:15,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 14:58:15,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 02:58:15" (1/1) ... [2020-09-04 14:58:15,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c09893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 02:58:15, skipping insertion in model container [2020-09-04 14:58:15,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 02:58:15" (1/1) ... [2020-09-04 14:58:15,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 14:58:15,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 14:58:15,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 14:58:15,840 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 14:58:16,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 14:58:16,093 INFO L208 MainTranslator]: Completed translation [2020-09-04 14:58:16,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 02:58:16 WrapperNode [2020-09-04 14:58:16,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 14:58:16,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 14:58:16,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 14:58:16,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 14:58:16,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 02:58:16" (1/1) ... [2020-09-04 14:58:16,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 02:58:16" (1/1) ... [2020-09-04 14:58:16,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 02:58:16" (1/1) ... [2020-09-04 14:58:16,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 02:58:16" (1/1) ... [2020-09-04 14:58:16,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 02:58:16" (1/1) ... [2020-09-04 14:58:16,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 02:58:16" (1/1) ... [2020-09-04 14:58:16,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 02:58:16" (1/1) ... [2020-09-04 14:58:16,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 14:58:16,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 14:58:16,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 14:58:16,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 14:58:16,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 02:58:16" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 14:58:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 14:58:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 14:58:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 14:58:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-09-04 14:58:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-09-04 14:58:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-09-04 14:58:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-09-04 14:58:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-09-04 14:58:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 14:58:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 14:58:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-09-04 14:58:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 14:58:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 14:58:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 14:58:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 14:58:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 14:58:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-09-04 14:58:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-09-04 14:58:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-09-04 14:58:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-09-04 14:58:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-09-04 14:58:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-09-04 14:58:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-09-04 14:58:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-09-04 14:58:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-09-04 14:58:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-09-04 14:58:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-09-04 14:58:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-09-04 14:58:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-09-04 14:58:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-09-04 14:58:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-09-04 14:58:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-09-04 14:58:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-09-04 14:58:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-09-04 14:58:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-09-04 14:58:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-09-04 14:58:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-09-04 14:58:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-09-04 14:58:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-09-04 14:58:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-09-04 14:58:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-09-04 14:58:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-09-04 14:58:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-09-04 14:58:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-09-04 14:58:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-09-04 14:58:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-09-04 14:58:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-09-04 14:58:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-09-04 14:58:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-09-04 14:58:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-04 14:58:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 14:58:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-09-04 14:58:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 14:58:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 14:58:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 14:58:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 14:58:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 14:58:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 14:58:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-09-04 14:58:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-09-04 14:58:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-09-04 14:58:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-09-04 14:58:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-09-04 14:58:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-09-04 14:58:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-09-04 14:58:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-09-04 14:58:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-09-04 14:58:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-09-04 14:58:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-09-04 14:58:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-09-04 14:58:16,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-09-04 14:58:16,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-09-04 14:58:16,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-09-04 14:58:16,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-09-04 14:58:16,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-09-04 14:58:16,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-09-04 14:58:16,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-09-04 14:58:16,439 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-09-04 14:58:16,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-09-04 14:58:16,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-09-04 14:58:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-09-04 14:58:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-09-04 14:58:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-09-04 14:58:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-09-04 14:58:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-09-04 14:58:16,442 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-09-04 14:58:16,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-09-04 14:58:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-09-04 14:58:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-09-04 14:58:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-09-04 14:58:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-09-04 14:58:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 14:58:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 14:58:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 14:58:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-04 14:58:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-09-04 14:58:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-09-04 14:58:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 14:58:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 14:58:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 14:58:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-09-04 14:58:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-09-04 14:58:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-09-04 14:58:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-09-04 14:58:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-09-04 14:58:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-09-04 14:58:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-09-04 14:58:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-09-04 14:58:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-09-04 14:58:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-09-04 14:58:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 14:58:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 14:58:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 14:58:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-09-04 14:58:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 14:58:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 14:58:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-09-04 14:58:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-09-04 14:58:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-09-04 14:58:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-09-04 14:58:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-09-04 14:58:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-09-04 14:58:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-09-04 14:58:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-09-04 14:58:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-09-04 14:58:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-09-04 14:58:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-09-04 14:58:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-09-04 14:58:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-09-04 14:58:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-09-04 14:58:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-09-04 14:58:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-09-04 14:58:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-09-04 14:58:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-09-04 14:58:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-09-04 14:58:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-09-04 14:58:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-09-04 14:58:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-09-04 14:58:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-09-04 14:58:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-09-04 14:58:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-09-04 14:58:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-09-04 14:58:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-09-04 14:58:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-09-04 14:58:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-09-04 14:58:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-09-04 14:58:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-09-04 14:58:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-09-04 14:58:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-04 14:58:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 14:58:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-09-04 14:58:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-09-04 14:58:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 14:58:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 14:58:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 14:58:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 14:58:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 14:58:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 14:58:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 14:58:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 14:58:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 14:58:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 14:58:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 14:58:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 14:58:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 14:58:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 14:58:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 14:58:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 14:58:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-09-04 14:58:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-09-04 14:58:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-09-04 14:58:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-09-04 14:58:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-09-04 14:58:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-09-04 14:58:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-09-04 14:58:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-09-04 14:58:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-09-04 14:58:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-09-04 14:58:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-09-04 14:58:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-09-04 14:58:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-09-04 14:58:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-09-04 14:58:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-09-04 14:58:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-09-04 14:58:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-09-04 14:58:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-09-04 14:58:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-09-04 14:58:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-09-04 14:58:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-09-04 14:58:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-09-04 14:58:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-09-04 14:58:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-09-04 14:58:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-09-04 14:58:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-09-04 14:58:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 14:58:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 14:58:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 14:58:18,834 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 14:58:18,835 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-04 14:58:18,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 02:58:18 BoogieIcfgContainer [2020-09-04 14:58:18,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 14:58:18,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 14:58:18,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 14:58:18,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 14:58:18,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 02:58:15" (1/3) ... [2020-09-04 14:58:18,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5219a175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 02:58:18, skipping insertion in model container [2020-09-04 14:58:18,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 02:58:16" (2/3) ... [2020-09-04 14:58:18,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5219a175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 02:58:18, skipping insertion in model container [2020-09-04 14:58:18,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 02:58:18" (3/3) ... [2020-09-04 14:58:18,855 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-09-04 14:58:18,867 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 14:58:18,878 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 14:58:18,900 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 14:58:18,928 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 14:58:18,928 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 14:58:18,928 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 14:58:18,928 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 14:58:18,928 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 14:58:18,928 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 14:58:18,928 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 14:58:18,929 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 14:58:18,956 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states. [2020-09-04 14:58:18,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-09-04 14:58:18,992 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 14:58:18,994 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 14:58:18,995 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 14:58:19,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 14:58:19,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1063984080, now seen corresponding path program 1 times [2020-09-04 14:58:19,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 14:58:19,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1219312731] [2020-09-04 14:58:19,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 14:58:19,106 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 14:58:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,238 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 14:58:21,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 14:58:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 14:58:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 14:58:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 14:58:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 14:58:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 14:58:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:58:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 14:58:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:58:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-04 14:58:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:58:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-09-04 14:58:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 14:58:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 14:58:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-04 14:58:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-09-04 14:58:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-09-04 14:58:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 14:58:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 14:58:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-04 14:58:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:21,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2020-09-04 14:58:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:22,587 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-04 14:58:22,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1219312731] [2020-09-04 14:58:22,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 14:58:22,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 14:58:22,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004376138] [2020-09-04 14:58:22,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 14:58:22,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 14:58:22,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 14:58:22,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-04 14:58:22,634 INFO L87 Difference]: Start difference. First operand 578 states. Second operand 13 states. [2020-09-04 14:58:25,426 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 14:58:27,017 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 14:58:28,979 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 501 [2020-09-04 14:58:30,589 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 14:58:32,092 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 14:58:33,648 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 14:58:42,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 14:58:42,547 INFO L93 Difference]: Finished difference Result 1207 states and 1438 transitions. [2020-09-04 14:58:42,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-04 14:58:42,551 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 382 [2020-09-04 14:58:42,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 14:58:42,576 INFO L225 Difference]: With dead ends: 1207 [2020-09-04 14:58:42,576 INFO L226 Difference]: Without dead ends: 774 [2020-09-04 14:58:42,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=352, Invalid=1130, Unknown=0, NotChecked=0, Total=1482 [2020-09-04 14:58:42,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-09-04 14:58:43,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 558. [2020-09-04 14:58:43,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-09-04 14:58:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 608 transitions. [2020-09-04 14:58:43,028 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 608 transitions. Word has length 382 [2020-09-04 14:58:43,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 14:58:43,029 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 608 transitions. [2020-09-04 14:58:43,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 14:58:43,030 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 608 transitions. [2020-09-04 14:58:43,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2020-09-04 14:58:43,041 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 14:58:43,041 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 14:58:43,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 14:58:43,042 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 14:58:43,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 14:58:43,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1553725587, now seen corresponding path program 1 times [2020-09-04 14:58:43,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 14:58:43,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1649284779] [2020-09-04 14:58:43,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 14:58:43,047 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 14:58:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,674 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 14:58:44,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 14:58:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 14:58:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 14:58:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 14:58:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 14:58:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 14:58:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:58:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 14:58:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:58:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 14:58:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:58:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-04 14:58:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 14:58:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 14:58:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-09-04 14:58:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-09-04 14:58:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-04 14:58:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-04 14:58:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 14:58:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:44,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-09-04 14:58:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:45,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2020-09-04 14:58:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:58:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-04 14:58:45,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1649284779] [2020-09-04 14:58:45,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 14:58:45,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 14:58:45,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912979078] [2020-09-04 14:58:45,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 14:58:45,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 14:58:45,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 14:58:45,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-04 14:58:45,107 INFO L87 Difference]: Start difference. First operand 558 states and 608 transitions. Second operand 13 states. [2020-09-04 14:58:47,384 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 14:58:48,912 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 14:58:51,056 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 501 [2020-09-04 14:58:52,576 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 14:58:54,091 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 14:58:55,650 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 14:59:02,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 14:59:02,980 INFO L93 Difference]: Finished difference Result 1141 states and 1300 transitions. [2020-09-04 14:59:02,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-04 14:59:02,981 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 384 [2020-09-04 14:59:02,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 14:59:02,988 INFO L225 Difference]: With dead ends: 1141 [2020-09-04 14:59:02,988 INFO L226 Difference]: Without dead ends: 782 [2020-09-04 14:59:02,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=278, Invalid=844, Unknown=0, NotChecked=0, Total=1122 [2020-09-04 14:59:02,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2020-09-04 14:59:03,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 564. [2020-09-04 14:59:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-09-04 14:59:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 614 transitions. [2020-09-04 14:59:03,331 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 614 transitions. Word has length 384 [2020-09-04 14:59:03,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 14:59:03,335 INFO L479 AbstractCegarLoop]: Abstraction has 564 states and 614 transitions. [2020-09-04 14:59:03,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 14:59:03,336 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 614 transitions. [2020-09-04 14:59:03,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2020-09-04 14:59:03,339 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 14:59:03,340 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 14:59:03,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 14:59:03,340 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 14:59:03,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 14:59:03,341 INFO L82 PathProgramCache]: Analyzing trace with hash 714445495, now seen corresponding path program 2 times [2020-09-04 14:59:03,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 14:59:03,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [46412941] [2020-09-04 14:59:03,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 14:59:03,346 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 14:59:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:04,937 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 14:59:04,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 14:59:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 14:59:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 14:59:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 14:59:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 14:59:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 14:59:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:59:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 14:59:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:59:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 14:59:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:59:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-09-04 14:59:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 14:59:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 14:59:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-09-04 14:59:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-09-04 14:59:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-09-04 14:59:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-09-04 14:59:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 14:59:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 14:59:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-09-04 14:59:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:05,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 14:59:05,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [46412941] [2020-09-04 14:59:05,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 14:59:05,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 14:59:05,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019985501] [2020-09-04 14:59:05,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 14:59:05,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 14:59:05,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 14:59:05,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-04 14:59:05,489 INFO L87 Difference]: Start difference. First operand 564 states and 614 transitions. Second operand 13 states. [2020-09-04 14:59:07,697 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 14:59:09,286 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 14:59:11,402 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 501 [2020-09-04 14:59:12,950 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 14:59:14,457 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 14:59:16,034 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 14:59:23,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 14:59:23,313 INFO L93 Difference]: Finished difference Result 1139 states and 1297 transitions. [2020-09-04 14:59:23,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-04 14:59:23,314 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 385 [2020-09-04 14:59:23,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 14:59:23,319 INFO L225 Difference]: With dead ends: 1139 [2020-09-04 14:59:23,319 INFO L226 Difference]: Without dead ends: 783 [2020-09-04 14:59:23,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=278, Invalid=844, Unknown=0, NotChecked=0, Total=1122 [2020-09-04 14:59:23,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-09-04 14:59:23,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 563. [2020-09-04 14:59:23,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-04 14:59:23,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 612 transitions. [2020-09-04 14:59:23,660 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 612 transitions. Word has length 385 [2020-09-04 14:59:23,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 14:59:23,661 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 612 transitions. [2020-09-04 14:59:23,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 14:59:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 612 transitions. [2020-09-04 14:59:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2020-09-04 14:59:23,664 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 14:59:23,664 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 14:59:23,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 14:59:23,665 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 14:59:23,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 14:59:23,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1836986340, now seen corresponding path program 1 times [2020-09-04 14:59:23,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 14:59:23,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203675973] [2020-09-04 14:59:23,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 14:59:23,670 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 14:59:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,233 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 14:59:25,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 14:59:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 14:59:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 14:59:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 14:59:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 14:59:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 14:59:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:59:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 14:59:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:59:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 14:59:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:59:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-09-04 14:59:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 14:59:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 14:59:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-09-04 14:59:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-09-04 14:59:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-09-04 14:59:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-09-04 14:59:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 14:59:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 14:59:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-09-04 14:59:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:25,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 14:59:25,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203675973] [2020-09-04 14:59:25,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 14:59:25,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 14:59:25,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202461133] [2020-09-04 14:59:25,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 14:59:25,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 14:59:25,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 14:59:25,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-04 14:59:25,713 INFO L87 Difference]: Start difference. First operand 563 states and 612 transitions. Second operand 13 states. [2020-09-04 14:59:27,965 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 14:59:29,454 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 505 [2020-09-04 14:59:31,548 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 14:59:33,056 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 505 [2020-09-04 14:59:34,592 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 505 [2020-09-04 14:59:36,204 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-04 14:59:37,827 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-04 14:59:44,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 14:59:44,946 INFO L93 Difference]: Finished difference Result 1129 states and 1285 transitions. [2020-09-04 14:59:44,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 14:59:44,947 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 385 [2020-09-04 14:59:44,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 14:59:44,952 INFO L225 Difference]: With dead ends: 1129 [2020-09-04 14:59:44,952 INFO L226 Difference]: Without dead ends: 774 [2020-09-04 14:59:44,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=278, Invalid=778, Unknown=0, NotChecked=0, Total=1056 [2020-09-04 14:59:44,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-09-04 14:59:45,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 563. [2020-09-04 14:59:45,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-04 14:59:45,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 611 transitions. [2020-09-04 14:59:45,300 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 611 transitions. Word has length 385 [2020-09-04 14:59:45,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 14:59:45,301 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 611 transitions. [2020-09-04 14:59:45,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 14:59:45,301 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 611 transitions. [2020-09-04 14:59:45,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-09-04 14:59:45,303 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 14:59:45,304 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 14:59:45,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 14:59:45,304 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 14:59:45,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 14:59:45,305 INFO L82 PathProgramCache]: Analyzing trace with hash 442569497, now seen corresponding path program 1 times [2020-09-04 14:59:45,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 14:59:45,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056670709] [2020-09-04 14:59:45,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 14:59:45,308 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 14:59:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:46,835 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 14:59:46,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 14:59:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:46,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 14:59:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:46,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 14:59:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:46,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 14:59:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:46,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 14:59:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:46,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 14:59:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:46,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:59:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:46,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 14:59:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:46,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:59:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:46,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 14:59:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:46,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:59:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:46,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-09-04 14:59:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:47,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 14:59:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:47,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 14:59:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:47,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2020-09-04 14:59:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:47,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2020-09-04 14:59:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:47,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-09-04 14:59:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:47,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-09-04 14:59:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:47,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 14:59:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:47,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 14:59:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:47,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-09-04 14:59:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:47,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 14:59:47,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056670709] [2020-09-04 14:59:47,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 14:59:47,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 14:59:47,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934160380] [2020-09-04 14:59:47,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 14:59:47,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 14:59:47,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 14:59:47,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-04 14:59:47,345 INFO L87 Difference]: Start difference. First operand 563 states and 611 transitions. Second operand 9 states. [2020-09-04 14:59:50,774 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 14:59:56,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 14:59:56,821 INFO L93 Difference]: Finished difference Result 1001 states and 1130 transitions. [2020-09-04 14:59:56,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 14:59:56,821 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 386 [2020-09-04 14:59:56,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 14:59:56,827 INFO L225 Difference]: With dead ends: 1001 [2020-09-04 14:59:56,827 INFO L226 Difference]: Without dead ends: 773 [2020-09-04 14:59:56,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-09-04 14:59:56,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-09-04 14:59:57,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 565. [2020-09-04 14:59:57,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-09-04 14:59:57,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 613 transitions. [2020-09-04 14:59:57,191 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 613 transitions. Word has length 386 [2020-09-04 14:59:57,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 14:59:57,192 INFO L479 AbstractCegarLoop]: Abstraction has 565 states and 613 transitions. [2020-09-04 14:59:57,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 14:59:57,192 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 613 transitions. [2020-09-04 14:59:57,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-09-04 14:59:57,195 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 14:59:57,195 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 14:59:57,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 14:59:57,195 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 14:59:57,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 14:59:57,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1807353342, now seen corresponding path program 1 times [2020-09-04 14:59:57,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 14:59:57,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410021914] [2020-09-04 14:59:57,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 14:59:57,216 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 14:59:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,784 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 14:59:58,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 14:59:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 14:59:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 14:59:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 14:59:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 14:59:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 14:59:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:59:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 14:59:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:59:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 14:59:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 14:59:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-09-04 14:59:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 14:59:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 14:59:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-09-04 14:59:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-09-04 14:59:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2020-09-04 14:59:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:58,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-04 14:59:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:59,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 14:59:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:59,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-09-04 14:59:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:59,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2020-09-04 14:59:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 14:59:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 14:59:59,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410021914] [2020-09-04 14:59:59,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 14:59:59,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 14:59:59,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711253895] [2020-09-04 14:59:59,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 14:59:59,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 14:59:59,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 14:59:59,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-04 14:59:59,180 INFO L87 Difference]: Start difference. First operand 565 states and 613 transitions. Second operand 10 states. [2020-09-04 15:00:02,320 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 15:00:03,789 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 15:00:10,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:00:10,536 INFO L93 Difference]: Finished difference Result 1076 states and 1230 transitions. [2020-09-04 15:00:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 15:00:10,537 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 395 [2020-09-04 15:00:10,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:00:10,542 INFO L225 Difference]: With dead ends: 1076 [2020-09-04 15:00:10,543 INFO L226 Difference]: Without dead ends: 848 [2020-09-04 15:00:10,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2020-09-04 15:00:10,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2020-09-04 15:00:10,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 635. [2020-09-04 15:00:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-09-04 15:00:10,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 706 transitions. [2020-09-04 15:00:10,969 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 706 transitions. Word has length 395 [2020-09-04 15:00:10,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:00:10,969 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 706 transitions. [2020-09-04 15:00:10,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 15:00:10,969 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 706 transitions. [2020-09-04 15:00:10,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2020-09-04 15:00:10,973 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:00:10,974 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:00:10,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 15:00:10,974 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:00:10,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:00:10,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1153949430, now seen corresponding path program 1 times [2020-09-04 15:00:10,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:00:10,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192239262] [2020-09-04 15:00:10,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:00:10,984 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:00:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,664 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 15:00:12,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:00:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 15:00:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 15:00:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 15:00:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 15:00:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 15:00:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:00:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 15:00:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:00:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 15:00:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:00:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-04 15:00:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 15:00:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:00:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-09-04 15:00:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-04 15:00:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-09-04 15:00:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 15:00:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:00:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-09-04 15:00:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:12,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2020-09-04 15:00:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:13,012 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 15:00:13,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192239262] [2020-09-04 15:00:13,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:00:13,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 15:00:13,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502897898] [2020-09-04 15:00:13,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 15:00:13,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:00:13,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 15:00:13,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-04 15:00:13,015 INFO L87 Difference]: Start difference. First operand 635 states and 706 transitions. Second operand 9 states. [2020-09-04 15:00:16,143 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 15:00:22,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:00:22,519 INFO L93 Difference]: Finished difference Result 1353 states and 1600 transitions. [2020-09-04 15:00:22,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 15:00:22,520 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 398 [2020-09-04 15:00:22,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:00:22,525 INFO L225 Difference]: With dead ends: 1353 [2020-09-04 15:00:22,525 INFO L226 Difference]: Without dead ends: 979 [2020-09-04 15:00:22,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-09-04 15:00:22,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2020-09-04 15:00:23,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 702. [2020-09-04 15:00:23,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-09-04 15:00:23,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 794 transitions. [2020-09-04 15:00:23,119 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 794 transitions. Word has length 398 [2020-09-04 15:00:23,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:00:23,120 INFO L479 AbstractCegarLoop]: Abstraction has 702 states and 794 transitions. [2020-09-04 15:00:23,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 15:00:23,120 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 794 transitions. [2020-09-04 15:00:23,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-09-04 15:00:23,124 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:00:23,124 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:00:23,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 15:00:23,125 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:00:23,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:00:23,125 INFO L82 PathProgramCache]: Analyzing trace with hash -125608335, now seen corresponding path program 1 times [2020-09-04 15:00:23,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:00:23,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566137179] [2020-09-04 15:00:23,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:00:23,136 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:00:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:24,792 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 15:00:24,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:00:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:24,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 15:00:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:24,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 15:00:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:24,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 15:00:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:24,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 15:00:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:24,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 15:00:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:24,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:00:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:24,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 15:00:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:24,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:00:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:24,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 15:00:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:24,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:00:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:24,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-09-04 15:00:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:24,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 15:00:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:25,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:00:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:25,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-09-04 15:00:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:25,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2020-09-04 15:00:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:25,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-09-04 15:00:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:25,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-09-04 15:00:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:25,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:00:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:25,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-04 15:00:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:25,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2020-09-04 15:00:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 15:00:25,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566137179] [2020-09-04 15:00:25,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:00:25,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 15:00:25,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212648339] [2020-09-04 15:00:25,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 15:00:25,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:00:25,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 15:00:25,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-04 15:00:25,124 INFO L87 Difference]: Start difference. First operand 702 states and 794 transitions. Second operand 9 states. [2020-09-04 15:00:29,106 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 15:00:37,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:00:37,483 INFO L93 Difference]: Finished difference Result 1659 states and 2006 transitions. [2020-09-04 15:00:37,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 15:00:37,484 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 402 [2020-09-04 15:00:37,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:00:37,490 INFO L225 Difference]: With dead ends: 1659 [2020-09-04 15:00:37,490 INFO L226 Difference]: Without dead ends: 1227 [2020-09-04 15:00:37,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-09-04 15:00:37,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2020-09-04 15:00:38,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 827. [2020-09-04 15:00:38,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2020-09-04 15:00:38,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 958 transitions. [2020-09-04 15:00:38,157 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 958 transitions. Word has length 402 [2020-09-04 15:00:38,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:00:38,158 INFO L479 AbstractCegarLoop]: Abstraction has 827 states and 958 transitions. [2020-09-04 15:00:38,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 15:00:38,158 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 958 transitions. [2020-09-04 15:00:38,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-09-04 15:00:38,161 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:00:38,161 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:00:38,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 15:00:38,162 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:00:38,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:00:38,162 INFO L82 PathProgramCache]: Analyzing trace with hash 268666041, now seen corresponding path program 2 times [2020-09-04 15:00:38,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:00:38,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32123612] [2020-09-04 15:00:38,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:00:38,168 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:00:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:39,869 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 15:00:39,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:00:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:39,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 15:00:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:39,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 15:00:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:39,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 15:00:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:39,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 15:00:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 15:00:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:00:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 15:00:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:00:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 15:00:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:00:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-09-04 15:00:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 15:00:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:00:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-04 15:00:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-09-04 15:00:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-09-04 15:00:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 15:00:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:00:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-04 15:00:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-09-04 15:00:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:00:40,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 15:00:40,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32123612] [2020-09-04 15:00:40,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:00:40,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 15:00:40,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582346027] [2020-09-04 15:00:40,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 15:00:40,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:00:40,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 15:00:40,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-04 15:00:40,250 INFO L87 Difference]: Start difference. First operand 827 states and 958 transitions. Second operand 13 states. [2020-09-04 15:00:42,314 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 503 [2020-09-04 15:00:43,841 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 15:00:45,374 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 15:00:46,875 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:00:48,348 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 15:00:51,186 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 503 [2020-09-04 15:00:59,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:00:59,233 INFO L93 Difference]: Finished difference Result 1726 states and 2090 transitions. [2020-09-04 15:00:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 15:00:59,234 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 404 [2020-09-04 15:00:59,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:00:59,240 INFO L225 Difference]: With dead ends: 1726 [2020-09-04 15:00:59,240 INFO L226 Difference]: Without dead ends: 1227 [2020-09-04 15:00:59,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2020-09-04 15:00:59,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2020-09-04 15:01:00,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 827. [2020-09-04 15:01:00,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2020-09-04 15:01:00,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 956 transitions. [2020-09-04 15:01:00,008 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 956 transitions. Word has length 404 [2020-09-04 15:01:00,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:01:00,008 INFO L479 AbstractCegarLoop]: Abstraction has 827 states and 956 transitions. [2020-09-04 15:01:00,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 15:01:00,009 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 956 transitions. [2020-09-04 15:01:00,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-09-04 15:01:00,012 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:01:00,013 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:01:00,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 15:01:00,013 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:01:00,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:01:00,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1474494058, now seen corresponding path program 1 times [2020-09-04 15:01:00,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:01:00,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463333545] [2020-09-04 15:01:00,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:01:00,018 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:01:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,660 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 15:01:01,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:01:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 15:01:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 15:01:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 15:01:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 15:01:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 15:01:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:01:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 15:01:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:01:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 15:01:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:01:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-09-04 15:01:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 15:01:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:01:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-09-04 15:01:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-09-04 15:01:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-04 15:01:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-09-04 15:01:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:01:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-09-04 15:01:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:01,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-09-04 15:01:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:02,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 15:01:02,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1463333545] [2020-09-04 15:01:02,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:01:02,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 15:01:02,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376884356] [2020-09-04 15:01:02,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 15:01:02,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:01:02,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 15:01:02,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-04 15:01:02,063 INFO L87 Difference]: Start difference. First operand 827 states and 956 transitions. Second operand 9 states. [2020-09-04 15:01:05,078 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 15:01:12,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:01:12,188 INFO L93 Difference]: Finished difference Result 2254 states and 2792 transitions. [2020-09-04 15:01:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 15:01:12,188 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 406 [2020-09-04 15:01:12,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:01:12,196 INFO L225 Difference]: With dead ends: 2254 [2020-09-04 15:01:12,196 INFO L226 Difference]: Without dead ends: 1705 [2020-09-04 15:01:12,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-09-04 15:01:12,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2020-09-04 15:01:13,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1067. [2020-09-04 15:01:13,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2020-09-04 15:01:13,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1271 transitions. [2020-09-04 15:01:13,236 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1271 transitions. Word has length 406 [2020-09-04 15:01:13,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:01:13,236 INFO L479 AbstractCegarLoop]: Abstraction has 1067 states and 1271 transitions. [2020-09-04 15:01:13,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 15:01:13,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1271 transitions. [2020-09-04 15:01:13,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2020-09-04 15:01:13,240 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:01:13,241 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:01:13,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 15:01:13,241 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:01:13,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:01:13,242 INFO L82 PathProgramCache]: Analyzing trace with hash 433836126, now seen corresponding path program 1 times [2020-09-04 15:01:13,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:01:13,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199550746] [2020-09-04 15:01:13,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:01:13,257 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:01:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,038 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 15:01:15,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:01:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 15:01:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 15:01:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 15:01:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 15:01:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 15:01:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:01:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 15:01:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:01:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 15:01:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:01:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-04 15:01:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:01:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-09-04 15:01:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 15:01:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:01:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-09-04 15:01:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-09-04 15:01:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 15:01:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-04 15:01:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:01:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2020-09-04 15:01:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2020-09-04 15:01:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:01:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 15:01:15,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199550746] [2020-09-04 15:01:15,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:01:15,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:01:15,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057231388] [2020-09-04 15:01:15,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:01:15,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:01:15,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:01:15,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:01:15,540 INFO L87 Difference]: Start difference. First operand 1067 states and 1271 transitions. Second operand 17 states. [2020-09-04 15:01:18,112 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 503 [2020-09-04 15:01:19,667 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 15:01:21,198 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 15:01:22,748 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:01:24,254 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 15:01:34,396 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 15:01:35,973 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:01:37,535 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 503 [2020-09-04 15:01:39,176 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 15:01:40,707 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 503 [2020-09-04 15:01:43,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:01:43,571 INFO L93 Difference]: Finished difference Result 1703 states and 2113 transitions. [2020-09-04 15:01:43,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-04 15:01:43,572 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 415 [2020-09-04 15:01:43,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:01:43,573 INFO L225 Difference]: With dead ends: 1703 [2020-09-04 15:01:43,573 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 15:01:43,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=331, Invalid=1001, Unknown=0, NotChecked=0, Total=1332 [2020-09-04 15:01:43,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 15:01:43,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 15:01:43,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 15:01:43,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 15:01:43,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 415 [2020-09-04 15:01:43,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:01:43,578 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 15:01:43,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:01:43,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 15:01:43,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 15:01:43,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 15:01:43,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 15:01:44,664 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:01:45,702 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:01:46,750 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:01:47,787 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:01:48,824 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:01:49,861 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:01:50,913 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 508 [2020-09-04 15:01:51,924 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 15:01:52,964 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:01:53,998 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:01:55,049 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:02:03,562 WARN L193 SmtUtils]: Spent 8.50 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 15:02:04,609 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:02:05,634 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:02:06,642 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 15:02:07,685 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-04 15:02:08,721 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:02:09,767 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:02:16,123 WARN L193 SmtUtils]: Spent 6.34 s on a formula simplification. DAG size of input: 547 DAG size of output: 523 [2020-09-04 15:02:22,494 WARN L193 SmtUtils]: Spent 6.37 s on a formula simplification. DAG size of input: 547 DAG size of output: 523 [2020-09-04 15:02:30,675 WARN L193 SmtUtils]: Spent 8.16 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 15:02:38,771 WARN L193 SmtUtils]: Spent 8.09 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 15:02:46,843 WARN L193 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 15:02:54,943 WARN L193 SmtUtils]: Spent 8.10 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 15:03:03,020 WARN L193 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 15:03:11,069 WARN L193 SmtUtils]: Spent 8.05 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 15:03:12,114 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:13,189 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 511 [2020-09-04 15:03:14,233 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:27,958 WARN L193 SmtUtils]: Spent 13.72 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 15:03:28,117 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 46 [2020-09-04 15:03:29,155 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:30,197 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:31,254 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:32,295 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:33,328 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:34,367 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:35,402 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:36,442 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:37,475 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:38,506 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:39,545 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:40,582 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:43,703 WARN L193 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 536 DAG size of output: 44 [2020-09-04 15:03:44,741 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:45,775 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:46,813 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:47,860 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:48,894 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:49,937 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:50,974 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:52,009 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:53,007 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 15:03:54,007 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 15:03:55,042 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:56,079 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:57,146 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 15:03:58,185 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:03:59,220 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:00,231 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 509 DAG size of output: 502 [2020-09-04 15:04:01,231 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 15:04:02,272 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:03,317 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:04,355 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:05,390 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:06,433 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:07,474 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:08,506 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:09,544 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:10,582 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 15:04:11,614 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-04 15:04:12,660 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 508 [2020-09-04 15:04:13,700 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:14,738 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:15,775 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:16,847 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 511 [2020-09-04 15:04:17,893 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:18,938 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:19,983 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:21,016 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:22,059 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:23,094 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:24,132 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:25,174 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:26,210 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:27,250 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:28,283 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:29,320 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:30,357 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:31,390 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:32,424 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:33,460 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:34,498 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:35,535 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:36,569 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:37,606 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:38,648 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:39,680 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:40,713 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:41,745 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:42,778 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:43,775 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 15:04:44,813 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:45,815 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 15:04:46,850 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:47,892 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:48,931 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:49,966 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:51,001 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:52,032 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:53,064 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:54,101 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:55,135 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:56,168 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:57,208 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:58,244 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:04:59,292 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-04 15:05:00,332 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:05:13,982 WARN L193 SmtUtils]: Spent 13.65 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 15:05:18,424 WARN L193 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 539 DAG size of output: 42 [2020-09-04 15:05:22,841 WARN L193 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 539 DAG size of output: 42 [2020-09-04 15:05:36,497 WARN L193 SmtUtils]: Spent 13.65 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 15:05:50,169 WARN L193 SmtUtils]: Spent 13.67 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 15:05:51,202 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:05:52,236 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:05:53,266 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:05:54,300 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:05:55,338 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:05:56,335 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 15:06:04,734 WARN L193 SmtUtils]: Spent 8.38 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 15:06:05,773 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:06:06,795 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 15:06:07,829 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:06:08,872 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:06:09,905 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:06:10,957 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:06:24,728 WARN L193 SmtUtils]: Spent 13.77 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 15:06:25,764 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:06:39,529 WARN L193 SmtUtils]: Spent 13.76 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 15:06:53,218 WARN L193 SmtUtils]: Spent 13.68 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 15:07:06,834 WARN L193 SmtUtils]: Spent 13.61 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 15:07:20,495 WARN L193 SmtUtils]: Spent 13.66 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 15:07:23,689 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 536 DAG size of output: 49 [2020-09-04 15:07:26,879 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 536 DAG size of output: 49 [2020-09-04 15:07:30,073 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 536 DAG size of output: 49 [2020-09-04 15:07:33,267 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 536 DAG size of output: 49 [2020-09-04 15:07:34,303 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:07:35,338 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:07:35,502 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 46 [2020-09-04 15:07:36,535 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:07:37,573 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:07:38,609 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:07:39,645 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:07:40,681 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:07:41,721 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:07:42,750 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:07:43,764 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 15:07:44,811 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-04 15:07:45,851 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:07:46,885 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:07:47,964 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 511 [2020-09-04 15:07:49,008 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:07:57,352 WARN L193 SmtUtils]: Spent 8.34 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 15:08:07,168 WARN L193 SmtUtils]: Spent 9.81 s on a formula simplification. DAG size of input: 584 DAG size of output: 486 [2020-09-04 15:08:20,848 WARN L193 SmtUtils]: Spent 13.68 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 15:08:34,522 WARN L193 SmtUtils]: Spent 13.67 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 15:08:48,184 WARN L193 SmtUtils]: Spent 13.66 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 15:08:54,541 WARN L193 SmtUtils]: Spent 6.34 s on a formula simplification. DAG size of input: 547 DAG size of output: 523 [2020-09-04 15:09:00,891 WARN L193 SmtUtils]: Spent 6.35 s on a formula simplification. DAG size of input: 547 DAG size of output: 523 [2020-09-04 15:09:01,932 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:09:02,964 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:09:04,014 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:09:12,394 WARN L193 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 15:09:15,808 WARN L193 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 536 DAG size of output: 46 [2020-09-04 15:09:16,598 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 21 [2020-09-04 15:09:17,569 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 21 [2020-09-04 15:09:19,280 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 551 DAG size of output: 21 [2020-09-04 15:09:20,692 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 545 DAG size of output: 21 [2020-09-04 15:09:29,387 WARN L193 SmtUtils]: Spent 8.69 s on a formula simplification. DAG size of input: 569 DAG size of output: 21 [2020-09-04 15:09:30,001 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 21 [2020-09-04 15:09:38,703 WARN L193 SmtUtils]: Spent 8.70 s on a formula simplification. DAG size of input: 569 DAG size of output: 21 [2020-09-04 15:09:47,351 WARN L193 SmtUtils]: Spent 8.65 s on a formula simplification. DAG size of input: 569 DAG size of output: 21 [2020-09-04 15:09:55,374 WARN L193 SmtUtils]: Spent 8.02 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 15:10:03,422 WARN L193 SmtUtils]: Spent 8.05 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 15:10:11,504 WARN L193 SmtUtils]: Spent 8.08 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 15:10:20,114 WARN L193 SmtUtils]: Spent 8.61 s on a formula simplification. DAG size of input: 569 DAG size of output: 21 [2020-09-04 15:10:28,163 WARN L193 SmtUtils]: Spent 8.05 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 15:10:28,840 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 21 [2020-09-04 15:10:37,479 WARN L193 SmtUtils]: Spent 8.64 s on a formula simplification. DAG size of input: 569 DAG size of output: 21 [2020-09-04 15:10:38,650 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 539 DAG size of output: 21 [2020-09-04 15:10:40,669 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 557 DAG size of output: 21 [2020-09-04 15:10:41,708 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:10:50,063 WARN L193 SmtUtils]: Spent 8.35 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 15:10:51,101 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:10:59,133 WARN L193 SmtUtils]: Spent 8.03 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 15:11:07,163 WARN L193 SmtUtils]: Spent 8.03 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 15:11:08,203 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:09,244 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:10,302 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:11,358 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 508 [2020-09-04 15:11:12,397 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:13,448 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:14,489 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:15,526 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:16,566 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:17,235 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 40 [2020-09-04 15:11:17,876 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 40 [2020-09-04 15:11:26,231 WARN L193 SmtUtils]: Spent 8.35 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 15:11:34,614 WARN L193 SmtUtils]: Spent 8.38 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 15:11:43,014 WARN L193 SmtUtils]: Spent 8.39 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 15:11:44,058 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:45,093 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:46,127 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:47,164 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:48,200 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:49,273 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 511 [2020-09-04 15:11:50,308 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:51,343 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:52,376 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:53,411 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:54,058 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 40 [2020-09-04 15:11:54,700 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 40 [2020-09-04 15:11:55,737 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:56,771 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:57,815 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:58,852 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:11:59,901 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:12:00,944 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:12:01,981 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:12:03,022 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:12:04,048 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 15:12:07,469 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 536 DAG size of output: 46