/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 0.2.1-dev-36cd7be [2021-02-23 16:06:22,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 16:06:22,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 16:06:22,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 16:06:22,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 16:06:22,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 16:06:22,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 16:06:22,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 16:06:22,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 16:06:22,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 16:06:22,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 16:06:22,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 16:06:22,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 16:06:22,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 16:06:22,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 16:06:22,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 16:06:22,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 16:06:22,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 16:06:22,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 16:06:22,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 16:06:22,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 16:06:22,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 16:06:22,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 16:06:22,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 16:06:22,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 16:06:22,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 16:06:22,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 16:06:22,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 16:06:22,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 16:06:22,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 16:06:22,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 16:06:22,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 16:06:22,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 16:06:22,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 16:06:22,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 16:06:22,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 16:06:22,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 16:06:22,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 16:06:22,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 16:06:22,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 16:06:22,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 16:06:22,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 16:06:22,483 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 16:06:22,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 16:06:22,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 16:06:22,485 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 16:06:22,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 16:06:22,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 16:06:22,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 16:06:22,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 16:06:22,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 16:06:22,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 16:06:22,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 16:06:22,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 16:06:22,487 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 16:06:22,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 16:06:22,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 16:06:22,488 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 16:06:22,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 16:06:22,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 16:06:22,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 16:06:22,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 16:06:22,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 16:06:22,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 16:06:22,489 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 16:06:22,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 16:06:22,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 16:06:22,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 16:06:22,907 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 16:06:22,907 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 16:06:22,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2021-02-23 16:06:23,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/767271a48/bd8a76b698374bb2bc9de5b3e20b02ae/FLAG47d3572bc [2021-02-23 16:06:23,872 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 16:06:23,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2021-02-23 16:06:23,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/767271a48/bd8a76b698374bb2bc9de5b3e20b02ae/FLAG47d3572bc [2021-02-23 16:06:24,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/767271a48/bd8a76b698374bb2bc9de5b3e20b02ae [2021-02-23 16:06:24,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 16:06:24,039 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 16:06:24,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 16:06:24,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 16:06:24,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 16:06:24,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:06:24" (1/1) ... [2021-02-23 16:06:24,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52939616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:06:24, skipping insertion in model container [2021-02-23 16:06:24,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:06:24" (1/1) ... [2021-02-23 16:06:24,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 16:06:24,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 16:06:24,516 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c[19591,19604] [2021-02-23 16:06:24,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 16:06:24,785 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 16:06:24,886 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c[19591,19604] [2021-02-23 16:06:24,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 16:06:25,047 INFO L208 MainTranslator]: Completed translation [2021-02-23 16:06:25,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:06:25 WrapperNode [2021-02-23 16:06:25,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 16:06:25,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 16:06:25,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 16:06:25,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 16:06:25,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:06:25" (1/1) ... [2021-02-23 16:06:25,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:06:25" (1/1) ... [2021-02-23 16:06:25,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:06:25" (1/1) ... [2021-02-23 16:06:25,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:06:25" (1/1) ... [2021-02-23 16:06:25,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:06:25" (1/1) ... [2021-02-23 16:06:25,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:06:25" (1/1) ... [2021-02-23 16:06:25,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:06:25" (1/1) ... [2021-02-23 16:06:25,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 16:06:25,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 16:06:25,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 16:06:25,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 16:06:25,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:06:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 16:06:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 16:06:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 16:06:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 16:06:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 16:06:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2021-02-23 16:06:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2021-02-23 16:06:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2021-02-23 16:06:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2021-02-23 16:06:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2021-02-23 16:06:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 16:06:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 16:06:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2021-02-23 16:06:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 16:06:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 16:06:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 16:06:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 16:06:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 16:06:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2021-02-23 16:06:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2021-02-23 16:06:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2021-02-23 16:06:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-02-23 16:06:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-02-23 16:06:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-02-23 16:06:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-02-23 16:06:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2021-02-23 16:06:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2021-02-23 16:06:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2021-02-23 16:06:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2021-02-23 16:06:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-02-23 16:06:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-02-23 16:06:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-02-23 16:06:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-02-23 16:06:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-02-23 16:06:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2021-02-23 16:06:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-02-23 16:06:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2021-02-23 16:06:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-02-23 16:06:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2021-02-23 16:06:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2021-02-23 16:06:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-02-23 16:06:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2021-02-23 16:06:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2021-02-23 16:06:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2021-02-23 16:06:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2021-02-23 16:06:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-02-23 16:06:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-02-23 16:06:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2021-02-23 16:06:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2021-02-23 16:06:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2021-02-23 16:06:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2021-02-23 16:06:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2021-02-23 16:06:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 16:06:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2021-02-23 16:06:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 16:06:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 16:06:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 16:06:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 16:06:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 16:06:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 16:06:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2021-02-23 16:06:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2021-02-23 16:06:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2021-02-23 16:06:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2021-02-23 16:06:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2021-02-23 16:06:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-02-23 16:06:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-02-23 16:06:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2021-02-23 16:06:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2021-02-23 16:06:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2021-02-23 16:06:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2021-02-23 16:06:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-02-23 16:06:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-02-23 16:06:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2021-02-23 16:06:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2021-02-23 16:06:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-02-23 16:06:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-02-23 16:06:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2021-02-23 16:06:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2021-02-23 16:06:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-02-23 16:06:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2021-02-23 16:06:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-02-23 16:06:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2021-02-23 16:06:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-02-23 16:06:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-02-23 16:06:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2021-02-23 16:06:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2021-02-23 16:06:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2021-02-23 16:06:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-02-23 16:06:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2021-02-23 16:06:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-02-23 16:06:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2021-02-23 16:06:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2021-02-23 16:06:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 16:06:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 16:06:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 16:06:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 16:06:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 16:06:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 16:06:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-23 16:06:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2021-02-23 16:06:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-02-23 16:06:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 16:06:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 16:06:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 16:06:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2021-02-23 16:06:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2021-02-23 16:06:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2021-02-23 16:06:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-02-23 16:06:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-02-23 16:06:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2021-02-23 16:06:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2021-02-23 16:06:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2021-02-23 16:06:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2021-02-23 16:06:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2021-02-23 16:06:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 16:06:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 16:06:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 16:06:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2021-02-23 16:06:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 16:06:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2021-02-23 16:06:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2021-02-23 16:06:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2021-02-23 16:06:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-02-23 16:06:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-02-23 16:06:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-02-23 16:06:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-02-23 16:06:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2021-02-23 16:06:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2021-02-23 16:06:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2021-02-23 16:06:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2021-02-23 16:06:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-02-23 16:06:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-02-23 16:06:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-02-23 16:06:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-02-23 16:06:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-02-23 16:06:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2021-02-23 16:06:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-02-23 16:06:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2021-02-23 16:06:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-02-23 16:06:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2021-02-23 16:06:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2021-02-23 16:06:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2021-02-23 16:06:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2021-02-23 16:06:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2021-02-23 16:06:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-02-23 16:06:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2021-02-23 16:06:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2021-02-23 16:06:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2021-02-23 16:06:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2021-02-23 16:06:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2021-02-23 16:06:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2021-02-23 16:06:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2021-02-23 16:06:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 16:06:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-02-23 16:06:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2021-02-23 16:06:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 16:06:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 16:06:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 16:06:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 16:06:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 16:06:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 16:06:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 16:06:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 16:06:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 16:06:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 16:06:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 16:06:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 16:06:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 16:06:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 16:06:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 16:06:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2021-02-23 16:06:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2021-02-23 16:06:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2021-02-23 16:06:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2021-02-23 16:06:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-02-23 16:06:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-02-23 16:06:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2021-02-23 16:06:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2021-02-23 16:06:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2021-02-23 16:06:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-02-23 16:06:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-02-23 16:06:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-02-23 16:06:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-02-23 16:06:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2021-02-23 16:06:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-02-23 16:06:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2021-02-23 16:06:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-02-23 16:06:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2021-02-23 16:06:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-02-23 16:06:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2021-02-23 16:06:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2021-02-23 16:06:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-02-23 16:06:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2021-02-23 16:06:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2021-02-23 16:06:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2021-02-23 16:06:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2021-02-23 16:06:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 16:06:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 16:06:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 16:06:27,500 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 16:06:27,500 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-02-23 16:06:27,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:06:27 BoogieIcfgContainer [2021-02-23 16:06:27,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 16:06:27,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 16:06:27,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 16:06:27,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 16:06:27,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 04:06:24" (1/3) ... [2021-02-23 16:06:27,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472cf63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 04:06:27, skipping insertion in model container [2021-02-23 16:06:27,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:06:25" (2/3) ... [2021-02-23 16:06:27,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472cf63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 04:06:27, skipping insertion in model container [2021-02-23 16:06:27,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:06:27" (3/3) ... [2021-02-23 16:06:27,521 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2021-02-23 16:06:27,528 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 16:06:27,535 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 16:06:27,556 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 16:06:27,584 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 16:06:27,584 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 16:06:27,584 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 16:06:27,585 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 16:06:27,585 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 16:06:27,585 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 16:06:27,585 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 16:06:27,585 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 16:06:27,615 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states. [2021-02-23 16:06:27,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-02-23 16:06:27,650 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:06:27,652 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, 1, 1, 1, 1, 1] [2021-02-23 16:06:27,655 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:06:27,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:06:27,663 INFO L82 PathProgramCache]: Analyzing trace with hash -377162890, now seen corresponding path program 1 times [2021-02-23 16:06:27,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:06:27,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1117111254] [2021-02-23 16:06:27,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:06:27,774 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:06:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:28,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:28,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:28,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:28,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,024 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 16:06:30,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:06:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 16:06:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 16:06:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 16:06:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 16:06:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:06:30,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 16:06:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:06:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 16:06:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:06:30,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:06:30,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:06:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:06:30,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:06:30,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-23 16:06:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:06:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-02-23 16:06:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 16:06:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 16:06:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-23 16:06:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-02-23 16:06:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-02-23 16:06:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-02-23 16:06:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:06:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-02-23 16:06:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:30,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-23 16:06:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:30,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:30,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:31,036 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-02-23 16:06:31,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1117111254] [2021-02-23 16:06:31,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:06:31,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-23 16:06:31,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900670801] [2021-02-23 16:06:31,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 16:06:31,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:06:31,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 16:06:31,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-02-23 16:06:31,070 INFO L87 Difference]: Start difference. First operand 584 states. Second operand 13 states. [2021-02-23 16:06:34,557 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:06:36,431 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:06:38,693 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-23 16:06:40,500 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:06:42,368 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:06:44,297 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 16:06:54,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:06:54,256 INFO L93 Difference]: Finished difference Result 1213 states and 1444 transitions. [2021-02-23 16:06:54,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-23 16:06:54,258 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 387 [2021-02-23 16:06:54,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:06:54,281 INFO L225 Difference]: With dead ends: 1213 [2021-02-23 16:06:54,281 INFO L226 Difference]: Without dead ends: 779 [2021-02-23 16:06:54,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=352, Invalid=1130, Unknown=0, NotChecked=0, Total=1482 [2021-02-23 16:06:54,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2021-02-23 16:06:54,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 563. [2021-02-23 16:06:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2021-02-23 16:06:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 613 transitions. [2021-02-23 16:06:54,900 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 613 transitions. Word has length 387 [2021-02-23 16:06:54,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:06:54,905 INFO L480 AbstractCegarLoop]: Abstraction has 563 states and 613 transitions. [2021-02-23 16:06:54,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 16:06:54,906 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 613 transitions. [2021-02-23 16:06:54,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-02-23 16:06:54,927 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:06:54,928 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] [2021-02-23 16:06:54,928 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 16:06:54,928 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:06:54,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:06:54,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1027820035, now seen corresponding path program 1 times [2021-02-23 16:06:54,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:06:54,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12921663] [2021-02-23 16:06:54,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:06:54,940 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:06:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:55,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:55,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:55,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:55,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:06:55,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:55,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,019 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 16:06:57,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:06:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 16:06:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 16:06:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 16:06:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 16:06:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 16:06:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:06:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 16:06:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:06:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 16:06:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:06:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-02-23 16:06:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 16:06:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 16:06:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-02-23 16:06:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-02-23 16:06:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-02-23 16:06:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-02-23 16:06:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:06:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-02-23 16:06:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-02-23 16:06:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:06:57,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:06:57,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:06:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-23 16:06:57,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12921663] [2021-02-23 16:06:57,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:06:57,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 16:06:57,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037724156] [2021-02-23 16:06:57,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 16:06:57,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:06:57,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 16:06:57,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 16:06:57,527 INFO L87 Difference]: Start difference. First operand 563 states and 613 transitions. Second operand 9 states. [2021-02-23 16:07:01,780 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:07:08,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:07:08,458 INFO L93 Difference]: Finished difference Result 1008 states and 1141 transitions. [2021-02-23 16:07:08,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 16:07:08,459 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 389 [2021-02-23 16:07:08,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:07:08,466 INFO L225 Difference]: With dead ends: 1008 [2021-02-23 16:07:08,466 INFO L226 Difference]: Without dead ends: 780 [2021-02-23 16:07:08,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-02-23 16:07:08,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2021-02-23 16:07:08,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 565. [2021-02-23 16:07:08,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2021-02-23 16:07:08,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 615 transitions. [2021-02-23 16:07:08,902 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 615 transitions. Word has length 389 [2021-02-23 16:07:08,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:07:08,903 INFO L480 AbstractCegarLoop]: Abstraction has 565 states and 615 transitions. [2021-02-23 16:07:08,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 16:07:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 615 transitions. [2021-02-23 16:07:08,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-02-23 16:07:08,913 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:07:08,913 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:07:08,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 16:07:08,914 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:07:08,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:07:08,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1939209913, now seen corresponding path program 1 times [2021-02-23 16:07:08,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:07:08,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [832235953] [2021-02-23 16:07:08,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:07:08,920 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:07:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:09,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:09,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:09,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:09,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:07:09,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:09,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:07:09,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:09,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:10,764 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 16:07:10,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:07:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:10,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:10,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:10,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 16:07:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:10,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:10,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:10,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 16:07:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:10,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:10,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:10,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 16:07:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:10,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:10,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:10,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 16:07:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:10,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:10,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:10,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 16:07:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:10,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:10,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:10,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:07:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:10,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:10,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:10,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 16:07:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:10,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:10,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:10,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:07:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:10,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:10,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:10,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 16:07:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:10,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:10,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:10,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:07:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:10,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:10,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:10,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-02-23 16:07:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:10,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:10,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:10,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 16:07:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:10,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:10,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:11,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 16:07:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:11,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:11,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:11,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-02-23 16:07:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:11,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:11,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:11,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-02-23 16:07:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:11,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:11,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:11,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-02-23 16:07:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:11,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:11,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:11,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-02-23 16:07:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:11,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:11,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:11,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:07:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:11,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:11,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:11,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-02-23 16:07:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:11,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:11,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:11,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-02-23 16:07:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:11,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:11,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-23 16:07:11,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [832235953] [2021-02-23 16:07:11,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:07:11,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 16:07:11,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004931002] [2021-02-23 16:07:11,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 16:07:11,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:07:11,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 16:07:11,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-02-23 16:07:11,311 INFO L87 Difference]: Start difference. First operand 565 states and 615 transitions. Second operand 10 states. [2021-02-23 16:07:15,313 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:07:17,032 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:07:24,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:07:24,235 INFO L93 Difference]: Finished difference Result 1083 states and 1241 transitions. [2021-02-23 16:07:24,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-23 16:07:24,238 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 398 [2021-02-23 16:07:24,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:07:24,247 INFO L225 Difference]: With dead ends: 1083 [2021-02-23 16:07:24,247 INFO L226 Difference]: Without dead ends: 855 [2021-02-23 16:07:24,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2021-02-23 16:07:24,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2021-02-23 16:07:24,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 635. [2021-02-23 16:07:24,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2021-02-23 16:07:24,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 708 transitions. [2021-02-23 16:07:24,711 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 708 transitions. Word has length 398 [2021-02-23 16:07:24,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:07:24,712 INFO L480 AbstractCegarLoop]: Abstraction has 635 states and 708 transitions. [2021-02-23 16:07:24,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 16:07:24,712 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 708 transitions. [2021-02-23 16:07:24,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-02-23 16:07:24,716 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:07:24,717 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, 1, 1, 1, 1, 1, 1] [2021-02-23 16:07:24,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 16:07:24,717 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:07:24,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:07:24,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1663948186, now seen corresponding path program 1 times [2021-02-23 16:07:24,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:07:24,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [284133902] [2021-02-23 16:07:24,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:07:24,723 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:07:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:24,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:24,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:24,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:24,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:07:24,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:24,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,512 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 16:07:26,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:07:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 16:07:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 16:07:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 16:07:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 16:07:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 16:07:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:07:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 16:07:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:07:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 16:07:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:07:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-02-23 16:07:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 16:07:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 16:07:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-02-23 16:07:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-02-23 16:07:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-02-23 16:07:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-02-23 16:07:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:07:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-02-23 16:07:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-02-23 16:07:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:26,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:26,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-23 16:07:26,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [284133902] [2021-02-23 16:07:26,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:07:26,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 16:07:26,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667312987] [2021-02-23 16:07:26,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 16:07:26,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:07:26,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 16:07:26,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 16:07:26,962 INFO L87 Difference]: Start difference. First operand 635 states and 708 transitions. Second operand 9 states. [2021-02-23 16:07:30,271 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:07:36,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:07:36,797 INFO L93 Difference]: Finished difference Result 1360 states and 1611 transitions. [2021-02-23 16:07:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 16:07:36,798 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 401 [2021-02-23 16:07:36,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:07:36,806 INFO L225 Difference]: With dead ends: 1360 [2021-02-23 16:07:36,806 INFO L226 Difference]: Without dead ends: 986 [2021-02-23 16:07:36,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-02-23 16:07:36,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2021-02-23 16:07:37,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 702. [2021-02-23 16:07:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2021-02-23 16:07:37,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 796 transitions. [2021-02-23 16:07:37,381 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 796 transitions. Word has length 401 [2021-02-23 16:07:37,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:07:37,382 INFO L480 AbstractCegarLoop]: Abstraction has 702 states and 796 transitions. [2021-02-23 16:07:37,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 16:07:37,382 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 796 transitions. [2021-02-23 16:07:37,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-02-23 16:07:37,386 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:07:37,387 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:07:37,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 16:07:37,387 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:07:37,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:07:37,388 INFO L82 PathProgramCache]: Analyzing trace with hash -2070444459, now seen corresponding path program 1 times [2021-02-23 16:07:37,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:07:37,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2016709526] [2021-02-23 16:07:37,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:07:37,392 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:07:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:37,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:37,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:37,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:37,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:07:37,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:37,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,166 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 16:07:39,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:07:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 16:07:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 16:07:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 16:07:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 16:07:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 16:07:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:07:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 16:07:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:07:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 16:07:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:07:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-02-23 16:07:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 16:07:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 16:07:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-02-23 16:07:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-02-23 16:07:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-23 16:07:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-02-23 16:07:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:07:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-02-23 16:07:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-02-23 16:07:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:39,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:39,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-23 16:07:39,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2016709526] [2021-02-23 16:07:39,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:07:39,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 16:07:39,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4430889] [2021-02-23 16:07:39,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 16:07:39,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:07:39,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 16:07:39,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 16:07:39,620 INFO L87 Difference]: Start difference. First operand 702 states and 796 transitions. Second operand 9 states. [2021-02-23 16:07:43,303 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:07:50,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:07:50,466 INFO L93 Difference]: Finished difference Result 1666 states and 2017 transitions. [2021-02-23 16:07:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 16:07:50,469 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 405 [2021-02-23 16:07:50,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:07:50,478 INFO L225 Difference]: With dead ends: 1666 [2021-02-23 16:07:50,479 INFO L226 Difference]: Without dead ends: 1234 [2021-02-23 16:07:50,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-02-23 16:07:50,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2021-02-23 16:07:51,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 827. [2021-02-23 16:07:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-02-23 16:07:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 960 transitions. [2021-02-23 16:07:51,251 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 960 transitions. Word has length 405 [2021-02-23 16:07:51,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:07:51,252 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 960 transitions. [2021-02-23 16:07:51,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 16:07:51,252 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 960 transitions. [2021-02-23 16:07:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-02-23 16:07:51,256 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:07:51,257 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:07:51,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 16:07:51,257 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:07:51,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:07:51,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1992018237, now seen corresponding path program 2 times [2021-02-23 16:07:51,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:07:51,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1911781821] [2021-02-23 16:07:51,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:07:51,262 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:07:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:51,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:51,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:51,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:51,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:07:51,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:51,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:07:51,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:51,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:51,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:51,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:07:51,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:51,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,082 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 16:07:53,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:07:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 16:07:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 16:07:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 16:07:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:07:53,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:07:53,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 16:07:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 16:07:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:07:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 16:07:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:07:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 16:07:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:07:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-02-23 16:07:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 16:07:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 16:07:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-02-23 16:07:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-02-23 16:07:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-02-23 16:07:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-02-23 16:07:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:07:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-02-23 16:07:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-02-23 16:07:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:07:53,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:07:53,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:07:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-23 16:07:53,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1911781821] [2021-02-23 16:07:53,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:07:53,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-23 16:07:53,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774559283] [2021-02-23 16:07:53,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 16:07:53,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:07:53,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 16:07:53,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-02-23 16:07:53,565 INFO L87 Difference]: Start difference. First operand 827 states and 960 transitions. Second operand 13 states. [2021-02-23 16:07:56,230 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 16:07:58,009 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 16:07:59,745 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:08:01,485 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:08:03,209 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:08:06,377 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 16:08:15,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:08:15,697 INFO L93 Difference]: Finished difference Result 1733 states and 2101 transitions. [2021-02-23 16:08:15,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-23 16:08:15,698 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 407 [2021-02-23 16:08:15,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:08:15,705 INFO L225 Difference]: With dead ends: 1733 [2021-02-23 16:08:15,705 INFO L226 Difference]: Without dead ends: 1234 [2021-02-23 16:08:15,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=192, Invalid=510, Unknown=0, NotChecked=0, Total=702 [2021-02-23 16:08:15,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2021-02-23 16:08:16,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 827. [2021-02-23 16:08:16,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-02-23 16:08:16,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 958 transitions. [2021-02-23 16:08:16,533 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 958 transitions. Word has length 407 [2021-02-23 16:08:16,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:08:16,533 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 958 transitions. [2021-02-23 16:08:16,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 16:08:16,534 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 958 transitions. [2021-02-23 16:08:16,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-02-23 16:08:16,538 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:08:16,538 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:08:16,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 16:08:16,539 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:08:16,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:08:16,539 INFO L82 PathProgramCache]: Analyzing trace with hash -790316358, now seen corresponding path program 1 times [2021-02-23 16:08:16,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:08:16,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741830366] [2021-02-23 16:08:16,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:08:16,544 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:08:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:16,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:16,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:16,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:16,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:16,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:16,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,500 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 16:08:18,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:08:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 16:08:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 16:08:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 16:08:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 16:08:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 16:08:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:08:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 16:08:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:08:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 16:08:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:08:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-02-23 16:08:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 16:08:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 16:08:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-02-23 16:08:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-02-23 16:08:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-02-23 16:08:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-02-23 16:08:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:08:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-02-23 16:08:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-02-23 16:08:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:18,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:18,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-23 16:08:18,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741830366] [2021-02-23 16:08:18,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:08:18,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 16:08:18,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155140297] [2021-02-23 16:08:18,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 16:08:18,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:08:18,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 16:08:18,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 16:08:18,935 INFO L87 Difference]: Start difference. First operand 827 states and 958 transitions. Second operand 9 states. [2021-02-23 16:08:22,925 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:08:31,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:08:31,198 INFO L93 Difference]: Finished difference Result 2261 states and 2803 transitions. [2021-02-23 16:08:31,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 16:08:31,199 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 409 [2021-02-23 16:08:31,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:08:31,208 INFO L225 Difference]: With dead ends: 2261 [2021-02-23 16:08:31,209 INFO L226 Difference]: Without dead ends: 1712 [2021-02-23 16:08:31,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-02-23 16:08:31,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2021-02-23 16:08:32,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1067. [2021-02-23 16:08:32,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2021-02-23 16:08:32,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1273 transitions. [2021-02-23 16:08:32,730 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1273 transitions. Word has length 409 [2021-02-23 16:08:32,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:08:32,731 INFO L480 AbstractCegarLoop]: Abstraction has 1067 states and 1273 transitions. [2021-02-23 16:08:32,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 16:08:32,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1273 transitions. [2021-02-23 16:08:32,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-02-23 16:08:32,739 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:08:32,740 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:08:32,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 16:08:32,741 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:08:32,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:08:32,741 INFO L82 PathProgramCache]: Analyzing trace with hash 532157824, now seen corresponding path program 1 times [2021-02-23 16:08:32,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:08:32,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609783466] [2021-02-23 16:08:32,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:08:32,748 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:08:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:32,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:32,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:32,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:32,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:08:32,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:32,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,676 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 16:08:34,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:08:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 16:08:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 16:08:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 16:08:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 16:08:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:34,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 16:08:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:08:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 16:08:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:08:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 16:08:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:08:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-23 16:08:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:34,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:08:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:34,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:34,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-02-23 16:08:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 16:08:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 16:08:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-02-23 16:08:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-02-23 16:08:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-02-23 16:08:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:34,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:34,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:34,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-02-23 16:08:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:35,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:35,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:35,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:08:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:35,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:35,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:35,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-02-23 16:08:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:35,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:35,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:35,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-02-23 16:08:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:35,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:35,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:35,191 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-23 16:08:35,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609783466] [2021-02-23 16:08:35,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:08:35,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-23 16:08:35,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50827641] [2021-02-23 16:08:35,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-23 16:08:35,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:08:35,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-23 16:08:35,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-02-23 16:08:35,193 INFO L87 Difference]: Start difference. First operand 1067 states and 1273 transitions. Second operand 14 states. [2021-02-23 16:08:37,402 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:08:39,952 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-23 16:08:42,994 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:08:44,807 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 16:08:52,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:08:52,799 INFO L93 Difference]: Finished difference Result 2452 states and 3054 transitions. [2021-02-23 16:08:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-23 16:08:52,800 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 418 [2021-02-23 16:08:52,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:08:52,809 INFO L225 Difference]: With dead ends: 2452 [2021-02-23 16:08:52,809 INFO L226 Difference]: Without dead ends: 1709 [2021-02-23 16:08:52,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2021-02-23 16:08:52,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2021-02-23 16:08:54,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1066. [2021-02-23 16:08:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2021-02-23 16:08:54,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1271 transitions. [2021-02-23 16:08:54,272 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1271 transitions. Word has length 418 [2021-02-23 16:08:54,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:08:54,273 INFO L480 AbstractCegarLoop]: Abstraction has 1066 states and 1271 transitions. [2021-02-23 16:08:54,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-23 16:08:54,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1271 transitions. [2021-02-23 16:08:54,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-02-23 16:08:54,278 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:08:54,278 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:08:54,279 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 16:08:54,279 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:08:54,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:08:54,279 INFO L82 PathProgramCache]: Analyzing trace with hash -734072453, now seen corresponding path program 1 times [2021-02-23 16:08:54,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:08:54,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466016463] [2021-02-23 16:08:54,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:08:54,284 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:08:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:54,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:54,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:54,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:54,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:08:54,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:54,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:08:54,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:54,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:08:54,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:54,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:08:54,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:54,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:08:54,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:54,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:08:54,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:54,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:08:54,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:54,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:08:54,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:54,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:08:54,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:54,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:08:54,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:54,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,249 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 16:08:56,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:08:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 16:08:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 16:08:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 16:08:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 16:08:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:56,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 16:08:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:08:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 16:08:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:08:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 16:08:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:08:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-23 16:08:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:08:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-23 16:08:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:56,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:56,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 16:08:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 16:08:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:56,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:56,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-23 16:08:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-23 16:08:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-23 16:08:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:56,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:56,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-02-23 16:08:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:08:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:56,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-02-23 16:08:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:56,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:08:56,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-02-23 16:08:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:08:56,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:08:56,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:08:57,272 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-23 16:08:57,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466016463] [2021-02-23 16:08:57,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:08:57,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-23 16:08:57,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934641899] [2021-02-23 16:08:57,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-23 16:08:57,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:08:57,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-23 16:08:57,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2021-02-23 16:08:57,276 INFO L87 Difference]: Start difference. First operand 1066 states and 1271 transitions. Second operand 26 states. [2021-02-23 16:08:59,669 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:09:02,620 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:09:08,084 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 16:09:09,961 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-23 16:09:12,083 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 16:09:15,153 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 16:09:19,360 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 16:09:21,239 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 526 [2021-02-23 16:09:23,125 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 16:09:25,038 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-23 16:09:26,849 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 16:09:28,685 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 16:09:30,490 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-23 16:09:32,662 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 16:09:34,492 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 526 [2021-02-23 16:09:38,621 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-23 16:09:41,803 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 16:09:43,650 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 523 [2021-02-23 16:09:45,803 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:09:47,629 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 16:09:50,490 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:09:54,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:09:54,540 INFO L93 Difference]: Finished difference Result 2195 states and 2672 transitions. [2021-02-23 16:09:54,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-02-23 16:09:54,540 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 419 [2021-02-23 16:09:54,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:09:54,571 INFO L225 Difference]: With dead ends: 2195 [2021-02-23 16:09:54,571 INFO L226 Difference]: Without dead ends: 1946 [2021-02-23 16:09:54,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 42.0s TimeCoverageRelationStatistics Valid=1347, Invalid=6135, Unknown=0, NotChecked=0, Total=7482 [2021-02-23 16:09:54,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1946 states. [2021-02-23 16:09:56,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1946 to 1255. [2021-02-23 16:09:56,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-02-23 16:09:56,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1476 transitions. [2021-02-23 16:09:56,160 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1476 transitions. Word has length 419 [2021-02-23 16:09:56,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:09:56,160 INFO L480 AbstractCegarLoop]: Abstraction has 1255 states and 1476 transitions. [2021-02-23 16:09:56,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-23 16:09:56,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1476 transitions. [2021-02-23 16:09:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-02-23 16:09:56,165 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:09:56,166 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:09:56,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 16:09:56,166 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:09:56,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:09:56,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2016191617, now seen corresponding path program 1 times [2021-02-23 16:09:56,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:09:56,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709451767] [2021-02-23 16:09:56,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:09:56,172 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:09:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:56,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:56,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:56,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:56,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:09:56,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:56,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:09:56,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:56,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:09:56,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:56,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:09:56,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:56,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:09:56,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:56,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:09:56,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:56,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:09:56,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:56,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,212 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 16:09:58,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:09:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 16:09:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 16:09:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 16:09:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 16:09:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 16:09:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:09:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 16:09:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:09:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 16:09:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:09:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-23 16:09:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:09:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-23 16:09:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:09:58,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:09:58,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:09:58,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 16:09:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 16:09:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-23 16:09:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-23 16:09:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-23 16:09:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:09:58,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:09:58,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-02-23 16:09:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:09:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-02-23 16:09:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-02-23 16:09:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:09:58,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:09:58,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:09:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-23 16:09:58,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709451767] [2021-02-23 16:09:58,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:09:58,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-02-23 16:09:58,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109431016] [2021-02-23 16:09:58,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-23 16:09:58,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:09:58,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-23 16:09:58,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-02-23 16:09:58,906 INFO L87 Difference]: Start difference. First operand 1255 states and 1476 transitions. Second operand 21 states. [2021-02-23 16:10:06,742 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 16:10:10,534 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 16:10:12,763 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 527 [2021-02-23 16:10:15,032 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:10:17,045 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:10:19,065 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:10:21,097 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:10:22,899 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:10:24,706 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:10:27,327 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:10:29,139 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:10:31,094 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:10:32,876 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 523 [2021-02-23 16:10:38,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:10:38,736 INFO L93 Difference]: Finished difference Result 2356 states and 2843 transitions. [2021-02-23 16:10:38,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-02-23 16:10:38,743 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 420 [2021-02-23 16:10:38,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:10:38,755 INFO L225 Difference]: With dead ends: 2356 [2021-02-23 16:10:38,756 INFO L226 Difference]: Without dead ends: 1938 [2021-02-23 16:10:38,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1060 ImplicationChecksByTransitivity, 27.8s TimeCoverageRelationStatistics Valid=813, Invalid=4157, Unknown=0, NotChecked=0, Total=4970 [2021-02-23 16:10:38,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2021-02-23 16:10:40,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1271. [2021-02-23 16:10:40,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2021-02-23 16:10:40,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1492 transitions. [2021-02-23 16:10:40,484 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1492 transitions. Word has length 420 [2021-02-23 16:10:40,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:10:40,485 INFO L480 AbstractCegarLoop]: Abstraction has 1271 states and 1492 transitions. [2021-02-23 16:10:40,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-02-23 16:10:40,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1492 transitions. [2021-02-23 16:10:40,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-02-23 16:10:40,490 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:10:40,490 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:10:40,490 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 16:10:40,491 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:10:40,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:10:40,491 INFO L82 PathProgramCache]: Analyzing trace with hash -516557178, now seen corresponding path program 1 times [2021-02-23 16:10:40,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:10:40,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433017444] [2021-02-23 16:10:40,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:10:40,496 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:10:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:40,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:40,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:40,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:40,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:10:40,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:40,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:10:40,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:40,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:40,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:40,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:10:40,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:40,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:10:40,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:40,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,475 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 16:10:42,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:10:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 16:10:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 16:10:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 16:10:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:10:42,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:10:42,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 16:10:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 16:10:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:10:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 16:10:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:10:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 16:10:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:10:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-23 16:10:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:10:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-23 16:10:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 16:10:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 16:10:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-23 16:10:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-23 16:10:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-23 16:10:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-02-23 16:10:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:10:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-02-23 16:10:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-02-23 16:10:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:10:42,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:10:42,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:10:42,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:10:42,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:10:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-23 16:10:42,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433017444] [2021-02-23 16:10:42,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:10:42,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-23 16:10:42,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762270368] [2021-02-23 16:10:42,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-23 16:10:42,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:10:42,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-23 16:10:42,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-02-23 16:10:42,986 INFO L87 Difference]: Start difference. First operand 1271 states and 1492 transitions. Second operand 17 states. [2021-02-23 16:10:45,619 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 16:10:47,541 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 16:10:49,456 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:10:51,325 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:10:53,123 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:11:03,312 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 16:11:05,126 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:11:06,991 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 16:11:08,900 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 16:11:10,714 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 16:11:12,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:11:12,983 INFO L93 Difference]: Finished difference Result 1936 states and 2377 transitions. [2021-02-23 16:11:12,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-23 16:11:12,984 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 420 [2021-02-23 16:11:12,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:11:12,985 INFO L225 Difference]: With dead ends: 1936 [2021-02-23 16:11:12,985 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 16:11:12,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 20.7s TimeCoverageRelationStatistics Valid=346, Invalid=1060, Unknown=0, NotChecked=0, Total=1406 [2021-02-23 16:11:12,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 16:11:12,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 16:11:12,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 16:11:12,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 16:11:12,993 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 420 [2021-02-23 16:11:12,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:11:12,994 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 16:11:12,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-23 16:11:12,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 16:11:12,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 16:11:12,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 16:11:12,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 16:11:13,120 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2021-02-23 16:11:13,232 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:11:13,352 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-23 16:11:13,463 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2021-02-23 16:11:14,289 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 51 [2021-02-23 16:11:14,410 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-23 16:11:14,523 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-23 16:11:15,667 WARN L202 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 548 [2021-02-23 16:11:16,027 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 524 [2021-02-23 16:11:16,257 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-23 16:11:16,485 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-23 16:11:16,828 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2021-02-23 16:11:18,277 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2021-02-23 16:11:19,558 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:11:20,209 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-23 16:11:20,582 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-23 16:11:21,030 WARN L202 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-23 16:11:21,185 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 16:11:21,342 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 16:11:21,509 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 16:11:21,730 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-23 16:11:23,263 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 541 [2021-02-23 16:11:30,087 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:11:32,053 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:11:32,244 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 16:11:36,732 WARN L202 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:11:37,224 WARN L202 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:11:38,352 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-23 16:11:38,588 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-23 16:11:39,255 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 16:11:39,497 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 16:11:39,738 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 16:11:39,924 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-23 16:11:40,175 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-23 16:11:40,427 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-23 16:11:40,681 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-23 16:11:40,934 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-23 16:11:41,178 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 16:11:41,420 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 16:11:41,602 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-23 16:11:42,876 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 16:11:43,500 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 16:11:43,707 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 16:11:43,910 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 16:11:46,190 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 358 [2021-02-23 16:11:46,353 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 16:11:46,729 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 514 [2021-02-23 16:11:46,887 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 16:11:47,150 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 305 [2021-02-23 16:11:48,851 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 641 DAG size of output: 73 [2021-02-23 16:11:50,346 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 641 DAG size of output: 73 [2021-02-23 16:11:51,612 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 16:11:52,780 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 16:11:53,214 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-23 16:11:53,588 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-23 16:11:53,967 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-23 16:11:54,127 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 16:11:54,286 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 16:11:54,443 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 16:11:54,671 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-23 16:11:55,308 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 48 [2021-02-23 16:11:55,704 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 46 [2021-02-23 16:11:56,210 WARN L202 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 548 [2021-02-23 16:11:57,219 WARN L202 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 16:11:58,116 WARN L202 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 16:11:59,018 WARN L202 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 16:11:59,474 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-23 16:11:59,928 WARN L202 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-23 16:12:00,441 WARN L202 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 16:12:00,725 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2021-02-23 16:12:01,249 WARN L202 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 16:12:01,875 WARN L202 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 21 [2021-02-23 16:12:02,395 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 16:12:02,913 WARN L202 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 16:12:03,066 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2021-02-23 16:12:03,222 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2021-02-23 16:12:03,574 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2021-02-23 16:12:04,432 WARN L202 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 16:12:05,318 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 16:12:05,782 WARN L202 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-23 16:12:05,994 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2021-02-23 16:12:06,384 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 46 [2021-02-23 16:12:06,983 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:12:07,450 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:12:07,982 WARN L202 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:12:08,515 WARN L202 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:12:09,043 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:12:09,552 WARN L202 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:12:11,536 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:13,558 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:15,529 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:17,429 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:19,360 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:21,313 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:23,256 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:25,193 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:27,684 WARN L202 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-23 16:12:30,055 WARN L202 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-23 16:12:31,967 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:33,901 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:35,813 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:37,694 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:39,609 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:41,515 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:43,509 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:45,569 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:46,217 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-23 16:12:46,398 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-23 16:12:48,049 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 16:12:49,238 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 16:12:49,419 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-23 16:12:49,597 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-23 16:12:50,231 WARN L202 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:12:50,718 WARN L202 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:12:51,057 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 16:12:51,244 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-23 16:12:51,492 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 16:12:51,743 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 16:12:52,190 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 524 [2021-02-23 16:12:52,326 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-23 16:12:52,462 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-23 16:12:54,166 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 16:12:55,372 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 16:12:57,329 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:12:59,308 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:01,319 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:03,276 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:05,214 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:07,194 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:09,137 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:11,094 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:13,083 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:15,067 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:17,022 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:18,962 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:20,927 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:22,848 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:24,774 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:26,706 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:27,057 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 44 [2021-02-23 16:13:27,400 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 41 [2021-02-23 16:13:27,626 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 34 [2021-02-23 16:13:29,422 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 44 [2021-02-23 16:13:29,774 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 41 [2021-02-23 16:13:30,009 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 34 [2021-02-23 16:13:31,594 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 406 [2021-02-23 16:13:32,767 WARN L202 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 501 [2021-02-23 16:13:35,239 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 41 [2021-02-23 16:13:35,587 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 41 [2021-02-23 16:13:38,905 WARN L202 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-23 16:13:41,277 WARN L202 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-23 16:13:42,369 WARN L202 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 16:13:43,328 WARN L202 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 16:13:44,502 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 16:13:45,647 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 16:13:45,857 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 43 [2021-02-23 16:13:46,122 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 37 [2021-02-23 16:13:46,978 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 510 [2021-02-23 16:13:48,493 WARN L202 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 544 [2021-02-23 16:13:50,373 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-23 16:13:50,612 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-23 16:13:50,879 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 16:13:52,922 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:54,977 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:57,019 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:13:59,052 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:01,178 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 16:14:02,347 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 16:14:04,432 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:06,434 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:08,520 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:10,484 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:11,734 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 16:14:12,914 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 16:14:14,858 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:16,841 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:18,956 WARN L202 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 688 DAG size of output: 60 [2021-02-23 16:14:21,200 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 688 DAG size of output: 60 [2021-02-23 16:14:23,219 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:25,205 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:27,207 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:29,158 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:30,135 WARN L202 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 16:14:31,089 WARN L202 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 16:14:33,125 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:35,087 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:37,034 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:38,981 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:39,997 WARN L202 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 16:14:40,859 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 16:14:41,723 WARN L202 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 16:14:42,162 WARN L202 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-23 16:14:42,598 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-23 16:14:43,097 WARN L202 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 16:14:43,370 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2021-02-23 16:14:43,863 WARN L202 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 16:14:44,468 WARN L202 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 21 [2021-02-23 16:14:44,961 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 16:14:45,459 WARN L202 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 16:14:45,609 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2021-02-23 16:14:45,767 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2021-02-23 16:14:46,123 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2021-02-23 16:14:47,011 WARN L202 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 16:14:47,894 WARN L202 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 16:14:48,332 WARN L202 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-23 16:14:48,536 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2021-02-23 16:14:49,685 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 16:14:50,820 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 16:14:52,757 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:54,667 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:56,566 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:14:58,470 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:00,466 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:02,506 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:04,550 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:06,588 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:08,633 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:10,635 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:12,642 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:14,636 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:16,649 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:18,676 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:20,641 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:22,599 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:24,586 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:26,543 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:28,541 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:30,573 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:32,538 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:34,476 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:36,375 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:38,309 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:40,208 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:42,079 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:44,005 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:45,933 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:47,887 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:49,815 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:50,999 WARN L202 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 501 [2021-02-23 16:15:53,629 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:55,619 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:15:57,879 WARN L202 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:15:58,371 WARN L202 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:15:58,904 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 523 [2021-02-23 16:15:59,009 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 525 [2021-02-23 16:16:00,406 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 358 [2021-02-23 16:16:00,571 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 16:16:00,971 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 514 [2021-02-23 16:16:01,134 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 16:16:01,387 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 305 [2021-02-23 16:16:02,039 WARN L202 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:16:02,529 WARN L202 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:16:02,737 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 16:16:02,941 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 16:16:03,155 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 16:16:03,749 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:16:04,229 WARN L202 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:16:04,924 WARN L202 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:16:05,473 WARN L202 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:16:07,016 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:07,255 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:07,486 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:07,721 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:07,958 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:08,199 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:08,431 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:08,660 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:08,887 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:09,523 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-23 16:16:09,684 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-23 16:16:10,242 WARN L202 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:16:10,781 WARN L202 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:16:11,547 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:11,785 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:12,017 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:12,261 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:12,506 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:12,756 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:12,994 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:13,231 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:13,478 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 16:16:15,640 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:17,554 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:20,058 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:22,009 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:23,983 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:25,956 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:27,911 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:29,883 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:31,842 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:33,818 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:35,820 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:37,736 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:39,675 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:41,588 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:43,494 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:45,427 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:47,903 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:49,816 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 16:16:50,995 WARN L202 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 16:16:51,947 WARN L202 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 16:16:53,062 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 16:16:54,196 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 16:16:55,694 WARN L202 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 16:16:56,674 WARN L202 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 16:16:57,889 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 16:16:59,012 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 16:17:00,062 WARN L202 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 16:17:01,009 WARN L202 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 16:17:01,240 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 16:17:01,417 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-23 16:17:01,653 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 16:17:01,888 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 16:17:03,024 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 16:17:04,165 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 16:17:05,140 WARN L202 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:17:05,602 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:17:06,071 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:17:06,541 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:17:07,184 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:17:07,662 WARN L202 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:17:07,992 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 523 [2021-02-23 16:17:08,628 WARN L202 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:17:09,109 WARN L202 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 16:17:10,661 WARN L202 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:17:12,197 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 363 DAG size of output: 26 [2021-02-23 16:17:13,750 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:17:18,168 WARN L202 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 369 DAG size of output: 30 [2021-02-23 16:17:19,791 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 381 DAG size of output: 28 [2021-02-23 16:17:24,958 WARN L202 SmtUtils]: Spent 5.16 s on a formula simplification. DAG size of input: 365 DAG size of output: 20 [2021-02-23 16:17:29,211 WARN L202 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-23 16:17:30,649 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:17:33,209 WARN L202 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 369 DAG size of output: 20 [2021-02-23 16:17:37,459 WARN L202 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-23 16:17:38,956 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:17:40,463 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:17:43,395 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 360 DAG size of output: 12 [2021-02-23 16:17:44,823 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:17:46,175 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 355 DAG size of output: 18 [2021-02-23 16:17:50,445 WARN L202 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-23 16:17:53,260 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 359 DAG size of output: 9 [2021-02-23 16:17:56,110 WARN L202 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 359 DAG size of output: 9 [2021-02-23 16:17:57,459 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-23 16:17:58,830 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-23 16:18:00,214 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-23 16:18:03,153 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 362 DAG size of output: 13 [2021-02-23 16:18:04,540 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-23 16:18:06,009 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 370 DAG size of output: 45 [2021-02-23 16:18:08,894 WARN L202 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-23 16:18:10,491 WARN L202 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 375 DAG size of output: 22 [2021-02-23 16:18:12,028 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:18:13,471 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:18:14,945 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:18:16,442 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:18:17,880 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 358 DAG size of output: 21 [2021-02-23 16:18:22,046 WARN L202 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-23 16:18:26,246 WARN L202 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-23 16:18:30,347 WARN L202 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-23 16:18:33,072 WARN L202 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 357 DAG size of output: 12 [2021-02-23 16:18:34,554 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:18:35,907 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-23 16:18:40,025 WARN L202 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-23 16:18:41,510 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:18:44,321 WARN L202 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 359 DAG size of output: 11 [2021-02-23 16:18:47,090 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 358 DAG size of output: 8 [2021-02-23 16:18:48,484 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 357 DAG size of output: 13 [2021-02-23 16:18:49,843 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-23 16:18:51,207 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 367 DAG size of output: 55 [2021-02-23 16:18:53,988 WARN L202 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-23 16:18:56,738 WARN L202 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-23 16:18:59,484 WARN L202 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-23 16:19:00,936 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:19:03,714 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 360 DAG size of output: 12 [2021-02-23 16:19:05,124 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-23 16:19:06,487 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-23 16:19:07,912 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 370 DAG size of output: 45 [2021-02-23 16:19:09,422 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:19:10,845 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:19:12,239 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 366 DAG size of output: 34 [2021-02-23 16:19:14,971 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 358 DAG size of output: 12 [2021-02-23 16:19:19,098 WARN L202 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-23 16:19:20,537 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:19:21,971 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:19:25,771 WARN L202 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 372 DAG size of output: 34 [2021-02-23 16:19:29,537 WARN L202 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 372 DAG size of output: 34 [2021-02-23 16:19:32,267 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 358 DAG size of output: 12 [2021-02-23 16:19:36,060 WARN L202 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 375 DAG size of output: 37 [2021-02-23 16:19:37,502 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:19:39,076 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 16:19:40,533 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-23 16:19:42,098 WARN L202 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 355 DAG size of output: 1