/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/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 03:06:41,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 03:06:41,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 03:06:41,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 03:06:41,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 03:06:41,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 03:06:41,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 03:06:41,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 03:06:41,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 03:06:41,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 03:06:41,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 03:06:41,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 03:06:41,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 03:06:41,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 03:06:41,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 03:06:41,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 03:06:41,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 03:06:41,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 03:06:41,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 03:06:41,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 03:06:41,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 03:06:41,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 03:06:41,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 03:06:41,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 03:06:41,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 03:06:41,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 03:06:41,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 03:06:41,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 03:06:41,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 03:06:41,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 03:06:41,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 03:06:41,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 03:06:41,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 03:06:41,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 03:06:41,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 03:06:41,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 03:06:41,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 03:06:41,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 03:06:41,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 03:06:41,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 03:06:41,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 03:06:41,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 03:06:42,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 03:06:42,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 03:06:42,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 03:06:42,011 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 03:06:42,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 03:06:42,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 03:06:42,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 03:06:42,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 03:06:42,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 03:06:42,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 03:06:42,014 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 03:06:42,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 03:06:42,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 03:06:42,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 03:06:42,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 03:06:42,015 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 03:06:42,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 03:06:42,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 03:06:42,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:06:42,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 03:06:42,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 03:06:42,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 03:06:42,017 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 03:06:42,017 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 03:06:42,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 03:06:42,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 03:06:42,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 03:06:42,460 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 03:06:42,460 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 03:06:42,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2021-02-24 03:06:42,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e08b1f0c/6817c1df17394ee0b1273fa1637c5cab/FLAGb955af35e [2021-02-24 03:06:43,265 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 03:06:43,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2021-02-24 03:06:43,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e08b1f0c/6817c1df17394ee0b1273fa1637c5cab/FLAGb955af35e [2021-02-24 03:06:43,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e08b1f0c/6817c1df17394ee0b1273fa1637c5cab [2021-02-24 03:06:43,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 03:06:43,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 03:06:43,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 03:06:43,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 03:06:43,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 03:06:43,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:06:43" (1/1) ... [2021-02-24 03:06:43,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1d9c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:06:43, skipping insertion in model container [2021-02-24 03:06:43,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:06:43" (1/1) ... [2021-02-24 03:06:43,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 03:06:43,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 03:06:43,974 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] [2021-02-24 03:06:44,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:06:44,197 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 03:06:44,259 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] [2021-02-24 03:06:44,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:06:44,419 INFO L208 MainTranslator]: Completed translation [2021-02-24 03:06:44,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:06:44 WrapperNode [2021-02-24 03:06:44,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 03:06:44,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 03:06:44,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 03:06:44,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 03:06:44,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:06:44" (1/1) ... [2021-02-24 03:06:44,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:06:44" (1/1) ... [2021-02-24 03:06:44,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:06:44" (1/1) ... [2021-02-24 03:06:44,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:06:44" (1/1) ... [2021-02-24 03:06:44,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:06:44" (1/1) ... [2021-02-24 03:06:44,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:06:44" (1/1) ... [2021-02-24 03:06:44,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:06:44" (1/1) ... [2021-02-24 03:06:44,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 03:06:44,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 03:06:44,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 03:06:44,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 03:06:44,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:06:44" (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 [2021-02-24 03:06:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 03:06:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 03:06:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-24 03:06:44,730 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 03:06:44,730 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2021-02-24 03:06:44,730 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2021-02-24 03:06:44,730 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2021-02-24 03:06:44,730 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2021-02-24 03:06:44,730 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2021-02-24 03:06:44,731 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-24 03:06:44,731 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 03:06:44,731 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2021-02-24 03:06:44,731 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-24 03:06:44,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-24 03:06:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-24 03:06:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-24 03:06:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-24 03:06:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2021-02-24 03:06:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2021-02-24 03:06:44,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2021-02-24 03:06:44,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-02-24 03:06:44,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-02-24 03:06:44,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-02-24 03:06:44,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-02-24 03:06:44,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2021-02-24 03:06:44,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2021-02-24 03:06:44,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2021-02-24 03:06:44,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2021-02-24 03:06:44,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-02-24 03:06:44,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-02-24 03:06:44,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-02-24 03:06:44,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-02-24 03:06:44,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-02-24 03:06:44,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2021-02-24 03:06:44,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-02-24 03:06:44,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2021-02-24 03:06:44,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-02-24 03:06:44,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2021-02-24 03:06:44,736 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2021-02-24 03:06:44,736 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-02-24 03:06:44,736 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2021-02-24 03:06:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2021-02-24 03:06:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2021-02-24 03:06:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2021-02-24 03:06:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-02-24 03:06:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-02-24 03:06:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2021-02-24 03:06:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2021-02-24 03:06:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2021-02-24 03:06:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2021-02-24 03:06:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2021-02-24 03:06:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-24 03:06:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2021-02-24 03:06:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-24 03:06:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-24 03:06:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-24 03:06:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-24 03:06:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-24 03:06:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-24 03:06:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2021-02-24 03:06:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2021-02-24 03:06:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2021-02-24 03:06:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2021-02-24 03:06:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2021-02-24 03:06:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-02-24 03:06:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-02-24 03:06:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2021-02-24 03:06:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2021-02-24 03:06:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2021-02-24 03:06:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2021-02-24 03:06:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-02-24 03:06:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-02-24 03:06:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2021-02-24 03:06:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2021-02-24 03:06:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-02-24 03:06:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-02-24 03:06:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2021-02-24 03:06:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2021-02-24 03:06:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-02-24 03:06:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2021-02-24 03:06:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-02-24 03:06:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2021-02-24 03:06:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-02-24 03:06:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-02-24 03:06:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2021-02-24 03:06:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2021-02-24 03:06:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2021-02-24 03:06:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-02-24 03:06:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2021-02-24 03:06:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-02-24 03:06:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2021-02-24 03:06:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2021-02-24 03:06:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 03:06:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 03:06:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 03:06:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 03:06:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 03:06:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-24 03:06:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-24 03:06:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2021-02-24 03:06:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-02-24 03:06:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-24 03:06:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-24 03:06:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-24 03:06:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2021-02-24 03:06:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2021-02-24 03:06:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2021-02-24 03:06:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-02-24 03:06:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-02-24 03:06:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2021-02-24 03:06:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2021-02-24 03:06:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2021-02-24 03:06:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2021-02-24 03:06:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2021-02-24 03:06:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-24 03:06:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-24 03:06:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 03:06:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2021-02-24 03:06:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-24 03:06:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2021-02-24 03:06:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2021-02-24 03:06:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2021-02-24 03:06:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-02-24 03:06:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-02-24 03:06:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-02-24 03:06:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-02-24 03:06:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2021-02-24 03:06:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2021-02-24 03:06:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2021-02-24 03:06:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2021-02-24 03:06:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-02-24 03:06:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-02-24 03:06:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-02-24 03:06:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-02-24 03:06:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-02-24 03:06:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2021-02-24 03:06:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-02-24 03:06:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2021-02-24 03:06:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-02-24 03:06:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2021-02-24 03:06:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2021-02-24 03:06:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2021-02-24 03:06:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2021-02-24 03:06:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2021-02-24 03:06:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-02-24 03:06:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2021-02-24 03:06:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2021-02-24 03:06:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2021-02-24 03:06:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2021-02-24 03:06:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2021-02-24 03:06:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2021-02-24 03:06:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2021-02-24 03:06:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-24 03:06:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-02-24 03:06:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2021-02-24 03:06:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 03:06:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 03:06:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-24 03:06:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 03:06:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 03:06:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 03:06:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 03:06:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-24 03:06:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 03:06:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-24 03:06:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-24 03:06:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 03:06:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-24 03:06:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-24 03:06:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-24 03:06:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2021-02-24 03:06:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2021-02-24 03:06:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2021-02-24 03:06:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2021-02-24 03:06:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-02-24 03:06:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-02-24 03:06:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2021-02-24 03:06:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2021-02-24 03:06:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2021-02-24 03:06:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-02-24 03:06:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-02-24 03:06:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-02-24 03:06:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-02-24 03:06:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2021-02-24 03:06:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-02-24 03:06:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2021-02-24 03:06:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-02-24 03:06:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2021-02-24 03:06:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-02-24 03:06:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2021-02-24 03:06:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2021-02-24 03:06:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-02-24 03:06:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2021-02-24 03:06:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2021-02-24 03:06:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2021-02-24 03:06:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2021-02-24 03:06:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 03:06:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 03:06:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 03:06:46,874 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 03:06:46,874 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-02-24 03:06:46,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:06:46 BoogieIcfgContainer [2021-02-24 03:06:46,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 03:06:46,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 03:06:46,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 03:06:46,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 03:06:46,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:06:43" (1/3) ... [2021-02-24 03:06:46,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16004668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:06:46, skipping insertion in model container [2021-02-24 03:06:46,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:06:44" (2/3) ... [2021-02-24 03:06:46,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16004668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:06:46, skipping insertion in model container [2021-02-24 03:06:46,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:06:46" (3/3) ... [2021-02-24 03:06:46,889 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2021-02-24 03:06:46,896 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 03:06:46,903 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 03:06:46,922 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 03:06:46,952 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 03:06:46,952 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 03:06:46,952 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 03:06:46,952 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 03:06:46,953 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 03:06:46,953 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 03:06:46,953 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 03:06:46,953 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 03:06:46,983 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states. [2021-02-24 03:06:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-02-24 03:06:47,016 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:06:47,018 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] [2021-02-24 03:06:47,018 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:06:47,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:06:47,025 INFO L82 PathProgramCache]: Analyzing trace with hash -377162890, now seen corresponding path program 1 times [2021-02-24 03:06:47,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:06:47,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730611520] [2021-02-24 03:06:47,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:06:47,126 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:06:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:47,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:47,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:47,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:47,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:49,781 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-24 03:06:49,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:06:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:49,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:49,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:49,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-24 03:06:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:49,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:49,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:49,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-24 03:06:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:49,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:49,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:49,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:06:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:49,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:49,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-24 03:06:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:06:50,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:06:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:06:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 03:06:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:06:50,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:06:50,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:06:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:06:50,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:06:50,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-24 03:06:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:06:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-02-24 03:06:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 03:06:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-24 03:06:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-24 03:06:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-02-24 03:06:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-02-24 03:06:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-02-24 03:06:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:06:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-02-24 03:06:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-24 03:06:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:06:50,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:06:50,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:06:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-02-24 03:06:50,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730611520] [2021-02-24 03:06:50,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:06:50,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-24 03:06:50,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560165539] [2021-02-24 03:06:50,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-24 03:06:50,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:06:50,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-24 03:06:50,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-02-24 03:06:50,792 INFO L87 Difference]: Start difference. First operand 584 states. Second operand 13 states. [2021-02-24 03:06:54,271 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:06:56,097 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:06:58,402 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-24 03:07:00,275 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:07:02,072 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:07:03,895 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-24 03:07:14,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:07:14,830 INFO L93 Difference]: Finished difference Result 1213 states and 1444 transitions. [2021-02-24 03:07:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-24 03:07:14,833 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 387 [2021-02-24 03:07:14,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:07:14,856 INFO L225 Difference]: With dead ends: 1213 [2021-02-24 03:07:14,856 INFO L226 Difference]: Without dead ends: 779 [2021-02-24 03:07:14,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=352, Invalid=1130, Unknown=0, NotChecked=0, Total=1482 [2021-02-24 03:07:14,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2021-02-24 03:07:15,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 563. [2021-02-24 03:07:15,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2021-02-24 03:07:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 613 transitions. [2021-02-24 03:07:15,578 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 613 transitions. Word has length 387 [2021-02-24 03:07:15,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:07:15,582 INFO L480 AbstractCegarLoop]: Abstraction has 563 states and 613 transitions. [2021-02-24 03:07:15,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-24 03:07:15,583 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 613 transitions. [2021-02-24 03:07:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-02-24 03:07:15,601 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:07:15,602 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] [2021-02-24 03:07:15,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 03:07:15,603 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:07:15,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:07:15,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1027820035, now seen corresponding path program 1 times [2021-02-24 03:07:15,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:07:15,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2125880933] [2021-02-24 03:07:15,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:07:15,613 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:07:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:15,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:15,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:15,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:15,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:07:15,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:15,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,663 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-24 03:07:17,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:07:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-24 03:07:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-24 03:07:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:07:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-24 03:07:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:07:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:07:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 03:07:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:07:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 03:07:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:07:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-02-24 03:07:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 03:07:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-24 03:07:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-02-24 03:07:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-02-24 03:07:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-02-24 03:07:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-02-24 03:07:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:07:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-02-24 03:07:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:17,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-02-24 03:07:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:17,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:17,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:18,182 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 03:07:18,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2125880933] [2021-02-24 03:07:18,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:07:18,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-24 03:07:18,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831940262] [2021-02-24 03:07:18,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-24 03:07:18,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:07:18,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-24 03:07:18,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-24 03:07:18,186 INFO L87 Difference]: Start difference. First operand 563 states and 613 transitions. Second operand 9 states. [2021-02-24 03:07:22,241 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:07:28,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:07:28,734 INFO L93 Difference]: Finished difference Result 1008 states and 1141 transitions. [2021-02-24 03:07:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 03:07:28,735 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 389 [2021-02-24 03:07:28,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:07:28,743 INFO L225 Difference]: With dead ends: 1008 [2021-02-24 03:07:28,744 INFO L226 Difference]: Without dead ends: 780 [2021-02-24 03:07:28,746 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-02-24 03:07:28,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2021-02-24 03:07:29,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 565. [2021-02-24 03:07:29,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2021-02-24 03:07:29,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 615 transitions. [2021-02-24 03:07:29,167 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 615 transitions. Word has length 389 [2021-02-24 03:07:29,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:07:29,168 INFO L480 AbstractCegarLoop]: Abstraction has 565 states and 615 transitions. [2021-02-24 03:07:29,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-24 03:07:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 615 transitions. [2021-02-24 03:07:29,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-02-24 03:07:29,177 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:07:29,178 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] [2021-02-24 03:07:29,178 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 03:07:29,178 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:07:29,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:07:29,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1939209913, now seen corresponding path program 1 times [2021-02-24 03:07:29,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:07:29,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676002895] [2021-02-24 03:07:29,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:07:29,185 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:07:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:29,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:29,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:29,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:29,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:07:29,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:29,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:07:29,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:29,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,020 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-24 03:07:31,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:07:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-24 03:07:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-24 03:07:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:07:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-24 03:07:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:07:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:07:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 03:07:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:07:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 03:07:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:07:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-02-24 03:07:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 03:07:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-24 03:07:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-02-24 03:07:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-02-24 03:07:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-02-24 03:07:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-02-24 03:07:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:07:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-02-24 03:07:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-02-24 03:07:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:31,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:31,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:31,494 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 03:07:31,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676002895] [2021-02-24 03:07:31,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:07:31,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-24 03:07:31,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334396401] [2021-02-24 03:07:31,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 03:07:31,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:07:31,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 03:07:31,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-02-24 03:07:31,499 INFO L87 Difference]: Start difference. First operand 565 states and 615 transitions. Second operand 10 states. [2021-02-24 03:07:35,488 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:07:37,208 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:07:44,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:07:44,801 INFO L93 Difference]: Finished difference Result 1083 states and 1241 transitions. [2021-02-24 03:07:44,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-24 03:07:44,808 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 398 [2021-02-24 03:07:44,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:07:44,814 INFO L225 Difference]: With dead ends: 1083 [2021-02-24 03:07:44,815 INFO L226 Difference]: Without dead ends: 855 [2021-02-24 03:07:44,816 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 [2021-02-24 03:07:44,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2021-02-24 03:07:45,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 635. [2021-02-24 03:07:45,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2021-02-24 03:07:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 708 transitions. [2021-02-24 03:07:45,283 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 708 transitions. Word has length 398 [2021-02-24 03:07:45,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:07:45,284 INFO L480 AbstractCegarLoop]: Abstraction has 635 states and 708 transitions. [2021-02-24 03:07:45,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 03:07:45,284 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 708 transitions. [2021-02-24 03:07:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-02-24 03:07:45,293 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:07:45,294 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] [2021-02-24 03:07:45,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 03:07:45,294 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:07:45,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:07:45,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1663948186, now seen corresponding path program 1 times [2021-02-24 03:07:45,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:07:45,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866900970] [2021-02-24 03:07:45,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:07:45,300 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:07:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:45,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:45,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:45,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:45,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:07:45,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:45,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,227 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-24 03:07:47,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:07:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-24 03:07:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-24 03:07:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:07:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-24 03:07:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:07:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:07:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 03:07:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:07:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 03:07:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:07:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-02-24 03:07:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 03:07:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-24 03:07:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-02-24 03:07:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-02-24 03:07:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-02-24 03:07:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-02-24 03:07:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:07:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-02-24 03:07:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-02-24 03:07:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:47,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:47,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:47,695 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 03:07:47,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866900970] [2021-02-24 03:07:47,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:07:47,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-24 03:07:47,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056767504] [2021-02-24 03:07:47,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-24 03:07:47,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:07:47,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-24 03:07:47,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-24 03:07:47,699 INFO L87 Difference]: Start difference. First operand 635 states and 708 transitions. Second operand 9 states. [2021-02-24 03:07:51,432 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:07:58,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:07:58,315 INFO L93 Difference]: Finished difference Result 1360 states and 1611 transitions. [2021-02-24 03:07:58,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-24 03:07:58,321 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 401 [2021-02-24 03:07:58,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:07:58,327 INFO L225 Difference]: With dead ends: 1360 [2021-02-24 03:07:58,327 INFO L226 Difference]: Without dead ends: 986 [2021-02-24 03:07:58,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-02-24 03:07:58,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2021-02-24 03:07:58,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 702. [2021-02-24 03:07:58,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2021-02-24 03:07:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 796 transitions. [2021-02-24 03:07:58,898 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 796 transitions. Word has length 401 [2021-02-24 03:07:58,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:07:58,898 INFO L480 AbstractCegarLoop]: Abstraction has 702 states and 796 transitions. [2021-02-24 03:07:58,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-24 03:07:58,899 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 796 transitions. [2021-02-24 03:07:58,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-02-24 03:07:58,907 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:07:58,907 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] [2021-02-24 03:07:58,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 03:07:58,908 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:07:58,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:07:58,908 INFO L82 PathProgramCache]: Analyzing trace with hash -2070444459, now seen corresponding path program 1 times [2021-02-24 03:07:58,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:07:58,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550134653] [2021-02-24 03:07:58,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:07:58,913 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:07:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:07:59,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:59,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:07:59,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:59,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:07:59,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:07:59,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:00,857 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-24 03:08:00,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:08:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:00,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:00,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:00,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-24 03:08:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:00,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:00,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:00,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-24 03:08:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:00,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:00,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:00,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:08:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:00,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:00,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:00,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-24 03:08:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:00,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:00,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:08:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:08:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 03:08:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:08:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 03:08:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:08:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-02-24 03:08:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 03:08:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-24 03:08:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-02-24 03:08:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-02-24 03:08:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-24 03:08:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-02-24 03:08:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:08:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-02-24 03:08:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-02-24 03:08:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:01,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:01,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:01,384 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 03:08:01,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [550134653] [2021-02-24 03:08:01,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:08:01,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-24 03:08:01,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038958624] [2021-02-24 03:08:01,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-24 03:08:01,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:08:01,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-24 03:08:01,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-24 03:08:01,387 INFO L87 Difference]: Start difference. First operand 702 states and 796 transitions. Second operand 9 states. [2021-02-24 03:08:05,323 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:08:12,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:08:12,956 INFO L93 Difference]: Finished difference Result 1666 states and 2017 transitions. [2021-02-24 03:08:12,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-24 03:08:12,957 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 405 [2021-02-24 03:08:12,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:08:12,965 INFO L225 Difference]: With dead ends: 1666 [2021-02-24 03:08:12,965 INFO L226 Difference]: Without dead ends: 1234 [2021-02-24 03:08:12,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-02-24 03:08:12,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2021-02-24 03:08:13,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 827. [2021-02-24 03:08:13,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-02-24 03:08:13,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 960 transitions. [2021-02-24 03:08:13,707 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 960 transitions. Word has length 405 [2021-02-24 03:08:13,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:08:13,708 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 960 transitions. [2021-02-24 03:08:13,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-24 03:08:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 960 transitions. [2021-02-24 03:08:13,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-02-24 03:08:13,713 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:08:13,713 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] [2021-02-24 03:08:13,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 03:08:13,714 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:08:13,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:08:13,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1992018237, now seen corresponding path program 2 times [2021-02-24 03:08:13,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:08:13,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [158929861] [2021-02-24 03:08:13,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:08:13,720 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:08:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:13,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:13,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:13,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:13,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:08:13,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:13,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:08:13,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:13,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:13,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:13,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:08:13,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:13,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,702 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-24 03:08:15,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:08:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-24 03:08:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-24 03:08:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:08:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:08:15,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:08:15,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-24 03:08:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:08:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:08:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 03:08:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:08:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 03:08:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:08:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-02-24 03:08:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 03:08:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-24 03:08:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-02-24 03:08:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-02-24 03:08:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-02-24 03:08:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-02-24 03:08:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:08:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-02-24 03:08:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:15,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:15,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:15,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-02-24 03:08:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:16,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:16,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 03:08:16,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [158929861] [2021-02-24 03:08:16,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:08:16,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-24 03:08:16,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64932205] [2021-02-24 03:08:16,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-24 03:08:16,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:08:16,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-24 03:08:16,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-02-24 03:08:16,171 INFO L87 Difference]: Start difference. First operand 827 states and 960 transitions. Second operand 13 states. [2021-02-24 03:08:18,923 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-24 03:08:20,707 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-24 03:08:22,466 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:08:24,203 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:08:25,942 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:08:29,106 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-24 03:08:37,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:08:37,746 INFO L93 Difference]: Finished difference Result 1733 states and 2101 transitions. [2021-02-24 03:08:37,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-24 03:08:37,746 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 407 [2021-02-24 03:08:37,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:08:37,752 INFO L225 Difference]: With dead ends: 1733 [2021-02-24 03:08:37,753 INFO L226 Difference]: Without dead ends: 1234 [2021-02-24 03:08:37,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=192, Invalid=510, Unknown=0, NotChecked=0, Total=702 [2021-02-24 03:08:37,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2021-02-24 03:08:38,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 827. [2021-02-24 03:08:38,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-02-24 03:08:38,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 958 transitions. [2021-02-24 03:08:38,457 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 958 transitions. Word has length 407 [2021-02-24 03:08:38,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:08:38,458 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 958 transitions. [2021-02-24 03:08:38,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-24 03:08:38,458 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 958 transitions. [2021-02-24 03:08:38,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-02-24 03:08:38,462 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:08:38,462 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] [2021-02-24 03:08:38,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 03:08:38,463 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:08:38,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:08:38,463 INFO L82 PathProgramCache]: Analyzing trace with hash -790316358, now seen corresponding path program 1 times [2021-02-24 03:08:38,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:08:38,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1560081982] [2021-02-24 03:08:38,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:08:38,468 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:08:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:38,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:38,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:38,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:38,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:08:38,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:38,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,218 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-24 03:08:40,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:08:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-24 03:08:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-24 03:08:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:08:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-24 03:08:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:08:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:08:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 03:08:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:08:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 03:08:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:08:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-02-24 03:08:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 03:08:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-24 03:08:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-02-24 03:08:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-02-24 03:08:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-02-24 03:08:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-02-24 03:08:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:08:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-02-24 03:08:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-02-24 03:08:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:40,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:40,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:40,679 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 03:08:40,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1560081982] [2021-02-24 03:08:40,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:08:40,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-24 03:08:40,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458912048] [2021-02-24 03:08:40,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-24 03:08:40,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:08:40,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-24 03:08:40,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-24 03:08:40,682 INFO L87 Difference]: Start difference. First operand 827 states and 958 transitions. Second operand 9 states. [2021-02-24 03:08:44,477 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:08:53,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:08:53,202 INFO L93 Difference]: Finished difference Result 2261 states and 2803 transitions. [2021-02-24 03:08:53,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-24 03:08:53,205 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 409 [2021-02-24 03:08:53,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:08:53,214 INFO L225 Difference]: With dead ends: 2261 [2021-02-24 03:08:53,214 INFO L226 Difference]: Without dead ends: 1712 [2021-02-24 03:08:53,217 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 [2021-02-24 03:08:53,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2021-02-24 03:08:54,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1067. [2021-02-24 03:08:54,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2021-02-24 03:08:54,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1273 transitions. [2021-02-24 03:08:54,628 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1273 transitions. Word has length 409 [2021-02-24 03:08:54,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:08:54,629 INFO L480 AbstractCegarLoop]: Abstraction has 1067 states and 1273 transitions. [2021-02-24 03:08:54,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-24 03:08:54,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1273 transitions. [2021-02-24 03:08:54,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-02-24 03:08:54,635 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:08:54,635 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] [2021-02-24 03:08:54,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-24 03:08:54,636 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:08:54,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:08:54,636 INFO L82 PathProgramCache]: Analyzing trace with hash 532157824, now seen corresponding path program 1 times [2021-02-24 03:08:54,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:08:54,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1484346669] [2021-02-24 03:08:54,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:08:54,641 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:08:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:54,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:54,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:54,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:54,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:08:54,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:54,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,519 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-24 03:08:56,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:08:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-24 03:08:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-24 03:08:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:08:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-24 03:08:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:08:56,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:08:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:08:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 03:08:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:08:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 03:08:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:08:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-24 03:08:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:08:56,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:08:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:08:56,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:08:56,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-02-24 03:08:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 03:08:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-24 03:08:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-02-24 03:08:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-02-24 03:08:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-02-24 03:08:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-02-24 03:08:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:08:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-02-24 03:08:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:56,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-02-24 03:08:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:08:56,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:08:56,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:08:57,136 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 03:08:57,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1484346669] [2021-02-24 03:08:57,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:08:57,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-24 03:08:57,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138799008] [2021-02-24 03:08:57,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-24 03:08:57,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:08:57,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-24 03:08:57,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-02-24 03:08:57,139 INFO L87 Difference]: Start difference. First operand 1067 states and 1273 transitions. Second operand 14 states. [2021-02-24 03:08:59,418 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:09:02,028 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-24 03:09:05,101 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:09:06,976 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-24 03:09:14,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:09:14,670 INFO L93 Difference]: Finished difference Result 2452 states and 3054 transitions. [2021-02-24 03:09:14,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-24 03:09:14,671 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 418 [2021-02-24 03:09:14,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:09:14,679 INFO L225 Difference]: With dead ends: 2452 [2021-02-24 03:09:14,680 INFO L226 Difference]: Without dead ends: 1709 [2021-02-24 03:09:14,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2021-02-24 03:09:14,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2021-02-24 03:09:15,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1066. [2021-02-24 03:09:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2021-02-24 03:09:15,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1271 transitions. [2021-02-24 03:09:15,875 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1271 transitions. Word has length 418 [2021-02-24 03:09:15,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:09:15,876 INFO L480 AbstractCegarLoop]: Abstraction has 1066 states and 1271 transitions. [2021-02-24 03:09:15,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-24 03:09:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1271 transitions. [2021-02-24 03:09:15,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-02-24 03:09:15,881 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:09:15,881 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] [2021-02-24 03:09:15,882 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-24 03:09:15,882 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:09:15,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:09:15,882 INFO L82 PathProgramCache]: Analyzing trace with hash -734072453, now seen corresponding path program 1 times [2021-02-24 03:09:15,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:09:15,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798449652] [2021-02-24 03:09:15,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:09:15,887 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:09:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:16,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:16,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:16,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:16,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:09:16,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:16,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:09:16,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:16,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:09:16,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:16,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:09:16,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:16,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:09:16,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:16,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:09:16,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:16,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:09:16,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:16,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:09:16,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:16,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:09:16,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:16,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:09:16,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:16,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:17,848 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-24 03:09:17,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:09:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:17,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:17,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:17,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-24 03:09:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:17,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:17,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:17,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-24 03:09:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:17,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:17,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:17,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:09:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:17,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:17,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:17,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-24 03:09:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:17,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:17,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:17,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:17,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:09:17,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:09:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:17,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:17,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:17,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:09:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:17,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:17,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 03:09:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:09:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 03:09:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:09:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-24 03:09:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:09:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-24 03:09:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:09:18,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:09:18,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 03:09:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-24 03:09:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:09:18,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:09:18,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-24 03:09:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-24 03:09:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-24 03:09:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:09:18,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:09:18,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-02-24 03:09:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:09:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-02-24 03:09:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:09:18,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:09:18,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-02-24 03:09:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:09:18,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:09:18,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:09:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 03:09:18,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798449652] [2021-02-24 03:09:18,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:09:18,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-24 03:09:18,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404576890] [2021-02-24 03:09:18,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-24 03:09:18,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:09:18,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-24 03:09:18,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2021-02-24 03:09:18,594 INFO L87 Difference]: Start difference. First operand 1066 states and 1271 transitions. Second operand 26 states. [2021-02-24 03:09:21,024 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:09:24,073 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:09:29,672 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-24 03:09:31,740 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-24 03:09:33,999 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-24 03:09:37,237 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-24 03:09:41,855 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-24 03:09:43,864 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 526 [2021-02-24 03:09:45,969 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-24 03:09:48,020 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-24 03:09:49,939 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-24 03:09:51,849 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-24 03:09:53,858 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-24 03:09:56,155 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-24 03:09:58,086 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 526 [2021-02-24 03:10:02,453 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-24 03:10:05,862 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-24 03:10:07,715 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 523 [2021-02-24 03:10:10,037 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:10:11,932 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-24 03:10:14,731 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:10:18,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:10:18,595 INFO L93 Difference]: Finished difference Result 2195 states and 2672 transitions. [2021-02-24 03:10:18,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-02-24 03:10:18,595 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 419 [2021-02-24 03:10:18,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:10:18,606 INFO L225 Difference]: With dead ends: 2195 [2021-02-24 03:10:18,606 INFO L226 Difference]: Without dead ends: 1946 [2021-02-24 03:10:18,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 44.4s TimeCoverageRelationStatistics Valid=1347, Invalid=6135, Unknown=0, NotChecked=0, Total=7482 [2021-02-24 03:10:18,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1946 states. [2021-02-24 03:10:20,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1946 to 1255. [2021-02-24 03:10:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-02-24 03:10:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1476 transitions. [2021-02-24 03:10:20,186 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1476 transitions. Word has length 419 [2021-02-24 03:10:20,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:10:20,187 INFO L480 AbstractCegarLoop]: Abstraction has 1255 states and 1476 transitions. [2021-02-24 03:10:20,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-24 03:10:20,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1476 transitions. [2021-02-24 03:10:20,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-02-24 03:10:20,193 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:10:20,194 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] [2021-02-24 03:10:20,194 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-24 03:10:20,194 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:10:20,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:10:20,195 INFO L82 PathProgramCache]: Analyzing trace with hash 2016191617, now seen corresponding path program 1 times [2021-02-24 03:10:20,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:10:20,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571908982] [2021-02-24 03:10:20,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:10:20,200 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:10:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:20,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:20,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:20,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:20,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:10:20,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:20,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:10:20,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:20,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:10:20,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:20,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:10:20,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:20,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:10:20,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:20,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:10:20,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:20,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:10:20,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:20,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,201 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-24 03:10:22,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:10:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-24 03:10:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-24 03:10:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:10:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-24 03:10:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:10:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:10:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 03:10:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:10:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 03:10:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:10:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-24 03:10:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:10:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-24 03:10:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:10:22,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:10:22,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:10:22,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 03:10:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-24 03:10:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-24 03:10:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-24 03:10:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-24 03:10:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:10:22,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:10:22,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-02-24 03:10:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:10:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-02-24 03:10:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-02-24 03:10:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:10:22,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:10:22,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:10:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 03:10:22,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571908982] [2021-02-24 03:10:22,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:10:22,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-02-24 03:10:22,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263899480] [2021-02-24 03:10:22,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-24 03:10:22,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:10:22,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-24 03:10:22,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-02-24 03:10:22,840 INFO L87 Difference]: Start difference. First operand 1255 states and 1476 transitions. Second operand 21 states. [2021-02-24 03:10:30,406 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-24 03:10:34,005 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-24 03:10:36,144 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 527 [2021-02-24 03:10:38,312 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:10:40,364 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:10:42,449 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:10:44,583 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:10:46,458 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:10:48,431 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:10:51,145 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:10:53,118 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:10:55,100 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:10:57,023 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 523 [2021-02-24 03:11:02,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:11:02,823 INFO L93 Difference]: Finished difference Result 2356 states and 2843 transitions. [2021-02-24 03:11:02,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-02-24 03:11:02,825 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 420 [2021-02-24 03:11:02,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:11:02,835 INFO L225 Difference]: With dead ends: 2356 [2021-02-24 03:11:02,836 INFO L226 Difference]: Without dead ends: 1938 [2021-02-24 03:11:02,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1061 ImplicationChecksByTransitivity, 28.3s TimeCoverageRelationStatistics Valid=813, Invalid=4157, Unknown=0, NotChecked=0, Total=4970 [2021-02-24 03:11:02,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2021-02-24 03:11:04,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1271. [2021-02-24 03:11:04,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2021-02-24 03:11:04,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1492 transitions. [2021-02-24 03:11:04,351 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1492 transitions. Word has length 420 [2021-02-24 03:11:04,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:11:04,352 INFO L480 AbstractCegarLoop]: Abstraction has 1271 states and 1492 transitions. [2021-02-24 03:11:04,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-02-24 03:11:04,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1492 transitions. [2021-02-24 03:11:04,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-02-24 03:11:04,357 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:11:04,357 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] [2021-02-24 03:11:04,357 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-24 03:11:04,357 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:11:04,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:11:04,358 INFO L82 PathProgramCache]: Analyzing trace with hash -516557178, now seen corresponding path program 1 times [2021-02-24 03:11:04,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:11:04,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527708082] [2021-02-24 03:11:04,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:11:04,362 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:11:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:04,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:04,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:04,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:04,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:11:04,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:04,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:11:04,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:04,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:04,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:04,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:11:04,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:04,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:11:04,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:04,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,278 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-24 03:11:06,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:11:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-24 03:11:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-24 03:11:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:11:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:11:06,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:11:06,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-24 03:11:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:11:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:11:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 03:11:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:11:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-24 03:11:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:11:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-24 03:11:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:11:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-24 03:11:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 03:11:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-24 03:11:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-24 03:11:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-24 03:11:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-24 03:11:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-02-24 03:11:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:11:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-02-24 03:11:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-02-24 03:11:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:11:06,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:11:06,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:11:06,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:11:06,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:11:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 03:11:06,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [527708082] [2021-02-24 03:11:06,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:11:06,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-24 03:11:06,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129620589] [2021-02-24 03:11:06,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-24 03:11:06,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:11:06,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-24 03:11:06,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-02-24 03:11:06,805 INFO L87 Difference]: Start difference. First operand 1271 states and 1492 transitions. Second operand 17 states. [2021-02-24 03:11:09,372 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-24 03:11:11,262 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-24 03:11:13,066 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:11:14,871 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:11:16,755 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:11:26,834 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-24 03:11:28,651 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:11:30,497 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-24 03:11:32,399 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-24 03:11:34,228 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-24 03:11:36,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:11:36,656 INFO L93 Difference]: Finished difference Result 1936 states and 2377 transitions. [2021-02-24 03:11:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-24 03:11:36,656 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 420 [2021-02-24 03:11:36,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:11:36,658 INFO L225 Difference]: With dead ends: 1936 [2021-02-24 03:11:36,658 INFO L226 Difference]: Without dead ends: 0 [2021-02-24 03:11:36,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 20.6s TimeCoverageRelationStatistics Valid=346, Invalid=1060, Unknown=0, NotChecked=0, Total=1406 [2021-02-24 03:11:36,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-24 03:11:36,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-24 03:11:36,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-24 03:11:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-24 03:11:36,666 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 420 [2021-02-24 03:11:36,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:11:36,666 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-24 03:11:36,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-24 03:11:36,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-24 03:11:36,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-24 03:11:36,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-24 03:11:36,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-24 03:11:36,809 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2021-02-24 03:11:36,925 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:11:37,039 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-24 03:11:37,158 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2021-02-24 03:11:37,264 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:11:38,031 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 51 [2021-02-24 03:11:38,153 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-24 03:11:38,264 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-24 03:11:38,376 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2021-02-24 03:11:38,480 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-24 03:11:39,486 WARN L202 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 548 [2021-02-24 03:11:39,927 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 524 [2021-02-24 03:11:40,198 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-24 03:11:40,459 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-24 03:11:41,776 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 524 [2021-02-24 03:11:42,457 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2021-02-24 03:11:44,061 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-24 03:11:44,536 WARN L202 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-24 03:11:44,944 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-24 03:11:45,113 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-24 03:11:45,273 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-24 03:11:45,444 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-24 03:11:45,859 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-24 03:11:47,383 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 541 [2021-02-24 03:11:54,178 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:11:56,192 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:12:00,831 WARN L202 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:12:01,359 WARN L202 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:12:02,502 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-24 03:12:02,747 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-24 03:12:03,425 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-24 03:12:03,667 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-24 03:12:03,908 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-24 03:12:04,101 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-24 03:12:04,359 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-24 03:12:04,608 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-24 03:12:04,861 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-24 03:12:05,105 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-24 03:12:05,346 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-24 03:12:05,579 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-24 03:12:05,757 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-24 03:12:06,997 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-24 03:12:07,599 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-24 03:12:07,818 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-24 03:12:08,019 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-24 03:12:10,235 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 358 [2021-02-24 03:12:10,397 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-24 03:12:10,793 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 514 [2021-02-24 03:12:10,952 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-24 03:12:11,205 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 305 [2021-02-24 03:12:12,859 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 641 DAG size of output: 73 [2021-02-24 03:12:14,299 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 641 DAG size of output: 73 [2021-02-24 03:12:15,519 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-24 03:12:16,638 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-24 03:12:17,061 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-24 03:12:17,422 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-24 03:12:17,779 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-24 03:12:17,942 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-24 03:12:18,098 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-24 03:12:18,258 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-24 03:12:18,478 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-24 03:12:19,104 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 48 [2021-02-24 03:12:19,491 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 46 [2021-02-24 03:12:19,985 WARN L202 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 548 [2021-02-24 03:12:20,982 WARN L202 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-24 03:12:21,866 WARN L202 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-24 03:12:22,786 WARN L202 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-24 03:12:23,253 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-24 03:12:23,712 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-24 03:12:24,241 WARN L202 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-24 03:12:24,534 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2021-02-24 03:12:25,070 WARN L202 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-24 03:12:25,712 WARN L202 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 21 [2021-02-24 03:12:26,239 WARN L202 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-24 03:12:26,771 WARN L202 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-24 03:12:26,930 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2021-02-24 03:12:27,083 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2021-02-24 03:12:27,448 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2021-02-24 03:12:28,361 WARN L202 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-24 03:12:29,270 WARN L202 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-24 03:12:29,741 WARN L202 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-24 03:12:29,960 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2021-02-24 03:12:30,360 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 46 [2021-02-24 03:12:30,958 WARN L202 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:12:31,452 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:12:31,993 WARN L202 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:12:32,534 WARN L202 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:12:33,102 WARN L202 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:12:33,668 WARN L202 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:12:35,735 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:12:37,704 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:12:39,734 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:12:41,706 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:12:43,740 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:12:45,722 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:12:47,690 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:12:49,689 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:12:52,222 WARN L202 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-24 03:12:54,595 WARN L202 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-24 03:12:56,554 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:12:58,548 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:00,533 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:02,478 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:04,394 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:06,299 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:08,242 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:10,234 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:10,801 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-24 03:13:10,970 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-24 03:13:12,585 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-24 03:13:13,731 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-24 03:13:13,908 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-24 03:13:14,084 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-24 03:13:14,707 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:13:15,179 WARN L202 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:13:15,510 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-24 03:13:15,690 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-24 03:13:15,934 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-24 03:13:16,187 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-24 03:13:16,615 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 524 [2021-02-24 03:13:16,745 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-24 03:13:16,875 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-24 03:13:18,504 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-24 03:13:19,655 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-24 03:13:21,613 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:23,555 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:25,519 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:27,502 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:29,467 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:31,453 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:33,374 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:35,300 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:37,322 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:39,411 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:41,457 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:43,477 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:45,546 WARN L202 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:47,577 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:49,624 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:51,614 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:13:51,965 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 44 [2021-02-24 03:13:52,319 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 41 [2021-02-24 03:13:52,557 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 34 [2021-02-24 03:13:54,296 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 44 [2021-02-24 03:13:54,655 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 41 [2021-02-24 03:13:54,885 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 34 [2021-02-24 03:13:56,455 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 406 [2021-02-24 03:13:57,661 WARN L202 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 501 [2021-02-24 03:14:00,050 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 41 [2021-02-24 03:14:00,418 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 41 [2021-02-24 03:14:03,737 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-24 03:14:06,190 WARN L202 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-24 03:14:07,294 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-24 03:14:08,249 WARN L202 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-24 03:14:09,443 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-24 03:14:10,647 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-24 03:14:10,869 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 43 [2021-02-24 03:14:11,143 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 37 [2021-02-24 03:14:12,008 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 510 [2021-02-24 03:14:13,485 WARN L202 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 544 [2021-02-24 03:14:15,238 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-24 03:14:15,470 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-24 03:14:15,736 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-24 03:14:17,713 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:19,727 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:21,683 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:23,607 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:25,683 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-24 03:14:26,848 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-24 03:14:28,861 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:30,847 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:32,892 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:34,892 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:36,165 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-24 03:14:37,303 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-24 03:14:39,215 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:41,148 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:43,326 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 688 DAG size of output: 60 [2021-02-24 03:14:45,490 WARN L202 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 688 DAG size of output: 60 [2021-02-24 03:14:47,485 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:49,423 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:51,371 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:53,362 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:54,399 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-24 03:14:55,459 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-24 03:14:57,668 WARN L202 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:14:59,684 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:01,743 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:03,778 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:04,848 WARN L202 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-24 03:15:05,801 WARN L202 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-24 03:15:06,728 WARN L202 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-24 03:15:07,208 WARN L202 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-24 03:15:07,654 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-24 03:15:08,169 WARN L202 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-24 03:15:08,445 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2021-02-24 03:15:08,945 WARN L202 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-24 03:15:09,563 WARN L202 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 21 [2021-02-24 03:15:10,085 WARN L202 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-24 03:15:10,615 WARN L202 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-24 03:15:10,769 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2021-02-24 03:15:10,921 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2021-02-24 03:15:11,275 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2021-02-24 03:15:12,183 WARN L202 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-24 03:15:13,070 WARN L202 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-24 03:15:13,517 WARN L202 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-24 03:15:13,726 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2021-02-24 03:15:14,947 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-24 03:15:16,116 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-24 03:15:18,054 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:19,955 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:21,911 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:23,934 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:25,963 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:27,970 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:29,989 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:32,014 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:33,979 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:35,968 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:37,946 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:39,917 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:41,865 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:43,820 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:45,710 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:47,612 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:49,597 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:51,589 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:53,541 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:55,469 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:57,402 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:15:59,331 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:01,295 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:03,222 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:05,171 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:07,057 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:08,996 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:10,941 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:12,856 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:14,804 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:16,007 WARN L202 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 501 [2021-02-24 03:16:18,785 WARN L202 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:20,788 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:22,990 WARN L202 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:16:23,501 WARN L202 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:16:24,036 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 523 [2021-02-24 03:16:25,524 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 358 [2021-02-24 03:16:25,689 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-24 03:16:26,081 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 514 [2021-02-24 03:16:26,243 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-24 03:16:26,492 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 305 [2021-02-24 03:16:27,124 WARN L202 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:16:27,601 WARN L202 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:16:27,810 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-24 03:16:28,018 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-24 03:16:28,221 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-24 03:16:28,820 WARN L202 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:16:29,303 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:16:30,016 WARN L202 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:16:30,572 WARN L202 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:16:32,109 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:32,355 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:32,603 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:32,842 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:33,077 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:33,307 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:33,553 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:33,802 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:34,054 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:34,680 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-24 03:16:34,854 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-24 03:16:35,397 WARN L202 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:16:35,952 WARN L202 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:16:36,703 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:36,932 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:37,162 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:37,394 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:37,627 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:37,864 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:38,098 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:38,340 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:38,572 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-24 03:16:40,830 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:42,783 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:45,313 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:47,280 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:49,252 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:51,214 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:53,201 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:55,167 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:57,168 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:16:59,152 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:17:01,199 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:17:03,127 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:17:05,076 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:17:07,006 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:17:08,987 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:17:10,916 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:17:13,394 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:17:15,360 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-24 03:17:16,509 WARN L202 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-24 03:17:17,461 WARN L202 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-24 03:17:18,594 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-24 03:17:19,743 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-24 03:17:21,317 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-24 03:17:22,356 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-24 03:17:23,637 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-24 03:17:24,823 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-24 03:17:25,953 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-24 03:17:26,943 WARN L202 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-24 03:17:27,195 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-24 03:17:27,383 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-24 03:17:27,626 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-24 03:17:27,878 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-24 03:17:29,044 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-24 03:17:30,211 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-24 03:17:31,209 WARN L202 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:17:31,703 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:17:32,169 WARN L202 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:17:32,631 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:17:33,242 WARN L202 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:17:33,739 WARN L202 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:17:34,058 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 523 [2021-02-24 03:17:34,695 WARN L202 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:17:35,198 WARN L202 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-24 03:17:36,757 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:17:38,267 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 363 DAG size of output: 26 [2021-02-24 03:17:39,774 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:17:43,978 WARN L202 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 369 DAG size of output: 30 [2021-02-24 03:17:45,556 WARN L202 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 381 DAG size of output: 28 [2021-02-24 03:17:50,660 WARN L202 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 365 DAG size of output: 20 [2021-02-24 03:17:55,034 WARN L202 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-24 03:17:56,536 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:17:59,047 WARN L202 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 369 DAG size of output: 20 [2021-02-24 03:18:03,275 WARN L202 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-24 03:18:04,758 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:18:06,277 WARN L202 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:18:09,130 WARN L202 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 360 DAG size of output: 12 [2021-02-24 03:18:10,632 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:18:12,023 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 355 DAG size of output: 18 [2021-02-24 03:18:16,183 WARN L202 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-24 03:18:19,001 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 359 DAG size of output: 9 [2021-02-24 03:18:21,759 WARN L202 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 359 DAG size of output: 9 [2021-02-24 03:18:23,123 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-24 03:18:24,474 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-24 03:18:25,896 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-24 03:18:28,869 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 362 DAG size of output: 13 [2021-02-24 03:18:30,353 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-24 03:18:31,908 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 370 DAG size of output: 45 [2021-02-24 03:18:34,919 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-24 03:18:36,529 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 375 DAG size of output: 22 [2021-02-24 03:18:38,108 WARN L202 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:18:39,663 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:18:41,200 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:18:42,668 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:18:44,050 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 358 DAG size of output: 21 [2021-02-24 03:18:48,414 WARN L202 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-24 03:18:52,695 WARN L202 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-24 03:18:56,969 WARN L202 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-24 03:18:59,799 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 357 DAG size of output: 12 [2021-02-24 03:19:01,270 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:19:02,647 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-24 03:19:06,968 WARN L202 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-24 03:19:08,448 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:19:11,378 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 359 DAG size of output: 11 [2021-02-24 03:19:14,211 WARN L202 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 358 DAG size of output: 8 [2021-02-24 03:19:15,629 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 357 DAG size of output: 13 [2021-02-24 03:19:16,995 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-24 03:19:18,404 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 367 DAG size of output: 55 [2021-02-24 03:19:21,319 WARN L202 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-24 03:19:24,139 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-24 03:19:27,050 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-24 03:19:28,590 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:19:31,382 WARN L202 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 360 DAG size of output: 12 [2021-02-24 03:19:32,795 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-24 03:19:34,166 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-24 03:19:35,602 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 370 DAG size of output: 45 [2021-02-24 03:19:37,127 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:19:38,559 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:19:39,968 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 366 DAG size of output: 34 [2021-02-24 03:19:42,725 WARN L202 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 358 DAG size of output: 12 [2021-02-24 03:19:47,015 WARN L202 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-24 03:19:48,563 WARN L202 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:19:50,032 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-24 03:19:53,832 WARN L202 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 372 DAG size of output: 34 [2021-02-24 03:19:57,669 WARN L202 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 372 DAG size of output: 34