/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 21:43:09,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 21:43:09,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 21:43:09,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 21:43:09,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 21:43:09,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 21:43:09,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 21:43:09,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 21:43:09,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 21:43:09,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 21:43:09,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 21:43:09,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 21:43:09,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 21:43:09,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 21:43:09,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 21:43:09,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 21:43:09,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 21:43:09,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 21:43:09,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 21:43:09,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 21:43:09,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 21:43:09,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 21:43:09,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 21:43:09,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 21:43:09,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 21:43:09,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 21:43:09,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 21:43:09,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 21:43:09,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 21:43:09,802 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 21:43:09,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 21:43:09,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 21:43:09,808 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 21:43:09,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 21:43:09,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 21:43:09,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 21:43:09,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 21:43:09,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 21:43:09,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 21:43:09,811 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 21:43:09,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 21:43:09,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 21:43:09,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 21:43:09,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 21:43:09,812 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 21:43:09,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 21:43:09,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 21:43:09,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 21:43:09,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 21:43:09,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 21:43:09,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 21:43:09,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 21:43:10,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 21:43:10,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 21:43:10,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 21:43:10,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 21:43:10,276 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 21:43:10,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2021-02-23 21:43:10,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cc67aea9/2555c1b4889c48de89c8d8f665132b72/FLAG0537d0100 [2021-02-23 21:43:11,217 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 21:43:11,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2021-02-23 21:43:11,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cc67aea9/2555c1b4889c48de89c8d8f665132b72/FLAG0537d0100 [2021-02-23 21:43:11,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cc67aea9/2555c1b4889c48de89c8d8f665132b72 [2021-02-23 21:43:11,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 21:43:11,460 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 21:43:11,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 21:43:11,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 21:43:11,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 21:43:11,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 09:43:11" (1/1) ... [2021-02-23 21:43:11,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4730bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:43:11, skipping insertion in model container [2021-02-23 21:43:11,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 09:43:11" (1/1) ... [2021-02-23 21:43:11,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 21:43:11,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 21:43:11,930 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c[19591,19604] [2021-02-23 21:43:12,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 21:43:12,244 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 21:43:12,358 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c[19591,19604] [2021-02-23 21:43:12,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 21:43:12,511 INFO L208 MainTranslator]: Completed translation [2021-02-23 21:43:12,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:43:12 WrapperNode [2021-02-23 21:43:12,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 21:43:12,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 21:43:12,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 21:43:12,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 21:43:12,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:43:12" (1/1) ... [2021-02-23 21:43:12,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:43:12" (1/1) ... [2021-02-23 21:43:12,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:43:12" (1/1) ... [2021-02-23 21:43:12,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:43:12" (1/1) ... [2021-02-23 21:43:12,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:43:12" (1/1) ... [2021-02-23 21:43:12,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:43:12" (1/1) ... [2021-02-23 21:43:12,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:43:12" (1/1) ... [2021-02-23 21:43:12,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 21:43:12,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 21:43:12,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 21:43:12,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 21:43:12,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:43:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 21:43:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 21:43:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 21:43:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 21:43:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 21:43:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2021-02-23 21:43:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2021-02-23 21:43:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2021-02-23 21:43:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2021-02-23 21:43:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2021-02-23 21:43:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 21:43:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 21:43:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2021-02-23 21:43:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 21:43:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 21:43:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 21:43:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 21:43:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 21:43:12,833 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2021-02-23 21:43:12,834 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2021-02-23 21:43:12,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2021-02-23 21:43:12,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-02-23 21:43:12,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-02-23 21:43:12,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-02-23 21:43:12,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-02-23 21:43:12,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2021-02-23 21:43:12,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2021-02-23 21:43:12,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2021-02-23 21:43:12,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2021-02-23 21:43:12,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-02-23 21:43:12,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-02-23 21:43:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-02-23 21:43:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-02-23 21:43:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-02-23 21:43:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2021-02-23 21:43:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-02-23 21:43:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2021-02-23 21:43:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-02-23 21:43:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2021-02-23 21:43:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2021-02-23 21:43:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-02-23 21:43:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2021-02-23 21:43:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2021-02-23 21:43:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2021-02-23 21:43:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2021-02-23 21:43:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-02-23 21:43:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-02-23 21:43:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2021-02-23 21:43:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2021-02-23 21:43:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2021-02-23 21:43:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2021-02-23 21:43:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2021-02-23 21:43:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 21:43:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2021-02-23 21:43:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 21:43:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 21:43:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 21:43:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 21:43:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 21:43:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 21:43:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2021-02-23 21:43:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2021-02-23 21:43:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2021-02-23 21:43:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2021-02-23 21:43:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2021-02-23 21:43:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-02-23 21:43:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-02-23 21:43:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2021-02-23 21:43:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2021-02-23 21:43:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2021-02-23 21:43:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2021-02-23 21:43:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-02-23 21:43:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-02-23 21:43:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2021-02-23 21:43:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2021-02-23 21:43:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-02-23 21:43:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-02-23 21:43:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2021-02-23 21:43:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2021-02-23 21:43:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-02-23 21:43:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2021-02-23 21:43:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-02-23 21:43:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2021-02-23 21:43:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-02-23 21:43:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-02-23 21:43:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2021-02-23 21:43:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2021-02-23 21:43:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2021-02-23 21:43:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-02-23 21:43:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2021-02-23 21:43:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-02-23 21:43:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2021-02-23 21:43:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2021-02-23 21:43:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 21:43:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 21:43:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 21:43:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 21:43:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 21:43:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 21:43:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-23 21:43:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2021-02-23 21:43:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-02-23 21:43:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 21:43:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 21:43:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 21:43:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2021-02-23 21:43:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2021-02-23 21:43:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2021-02-23 21:43:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-02-23 21:43:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-02-23 21:43:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2021-02-23 21:43:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2021-02-23 21:43:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2021-02-23 21:43:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2021-02-23 21:43:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2021-02-23 21:43:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 21:43:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 21:43:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 21:43:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2021-02-23 21:43:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 21:43:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2021-02-23 21:43:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2021-02-23 21:43:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2021-02-23 21:43:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-02-23 21:43:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-02-23 21:43:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-02-23 21:43:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-02-23 21:43:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2021-02-23 21:43:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2021-02-23 21:43:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2021-02-23 21:43:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2021-02-23 21:43:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-02-23 21:43:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-02-23 21:43:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-02-23 21:43:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-02-23 21:43:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-02-23 21:43:12,865 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2021-02-23 21:43:12,865 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-02-23 21:43:12,865 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2021-02-23 21:43:12,866 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-02-23 21:43:12,866 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2021-02-23 21:43:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2021-02-23 21:43:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2021-02-23 21:43:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2021-02-23 21:43:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2021-02-23 21:43:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-02-23 21:43:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2021-02-23 21:43:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2021-02-23 21:43:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2021-02-23 21:43:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2021-02-23 21:43:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2021-02-23 21:43:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2021-02-23 21:43:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2021-02-23 21:43:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 21:43:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-02-23 21:43:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2021-02-23 21:43:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 21:43:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 21:43:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 21:43:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 21:43:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 21:43:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 21:43:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 21:43:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 21:43:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 21:43:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 21:43:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 21:43:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 21:43:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 21:43:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 21:43:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 21:43:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2021-02-23 21:43:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2021-02-23 21:43:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2021-02-23 21:43:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2021-02-23 21:43:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-02-23 21:43:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-02-23 21:43:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2021-02-23 21:43:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2021-02-23 21:43:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2021-02-23 21:43:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-02-23 21:43:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-02-23 21:43:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-02-23 21:43:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-02-23 21:43:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2021-02-23 21:43:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-02-23 21:43:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2021-02-23 21:43:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-02-23 21:43:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2021-02-23 21:43:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-02-23 21:43:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2021-02-23 21:43:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2021-02-23 21:43:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-02-23 21:43:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2021-02-23 21:43:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2021-02-23 21:43:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2021-02-23 21:43:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2021-02-23 21:43:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 21:43:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 21:43:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 21:43:15,285 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 21:43:15,286 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-02-23 21:43:15,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 09:43:15 BoogieIcfgContainer [2021-02-23 21:43:15,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 21:43:15,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 21:43:15,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 21:43:15,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 21:43:15,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 09:43:11" (1/3) ... [2021-02-23 21:43:15,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb3e03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 09:43:15, skipping insertion in model container [2021-02-23 21:43:15,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:43:12" (2/3) ... [2021-02-23 21:43:15,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb3e03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 09:43:15, skipping insertion in model container [2021-02-23 21:43:15,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 09:43:15" (3/3) ... [2021-02-23 21:43:15,302 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2021-02-23 21:43:15,309 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 21:43:15,321 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 21:43:15,348 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 21:43:15,378 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 21:43:15,378 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 21:43:15,378 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 21:43:15,379 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 21:43:15,379 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 21:43:15,379 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 21:43:15,379 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 21:43:15,381 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 21:43:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states. [2021-02-23 21:43:15,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-02-23 21:43:15,502 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:43:15,504 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:43:15,504 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:43:15,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:43:15,523 INFO L82 PathProgramCache]: Analyzing trace with hash -377162890, now seen corresponding path program 1 times [2021-02-23 21:43:15,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:43:15,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012474376] [2021-02-23 21:43:15,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:43:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:16,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:16,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:16,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:16,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,199 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 21:43:18,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:43:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 21:43:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 21:43:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 21:43:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 21:43:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:43:18,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 21:43:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:43:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 21:43:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:43:18,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:43:18,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:43:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:43:18,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:43:18,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-23 21:43:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:43:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-02-23 21:43:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 21:43:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 21:43:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-23 21:43:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-02-23 21:43:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-02-23 21:43:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-02-23 21:43:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:43:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-02-23 21:43:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:18,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-23 21:43:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:18,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:18,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-02-23 21:43:19,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2012474376] [2021-02-23 21:43:19,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 21:43:19,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-02-23 21:43:19,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098961896] [2021-02-23 21:43:19,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 21:43:19,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:43:19,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 21:43:19,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-02-23 21:43:19,257 INFO L87 Difference]: Start difference. First operand 584 states. Second operand 13 states. [2021-02-23 21:43:22,666 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:43:24,505 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:43:26,762 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-23 21:43:28,564 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:43:30,347 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:43:32,155 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 21:43:42,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:43:42,500 INFO L93 Difference]: Finished difference Result 1213 states and 1444 transitions. [2021-02-23 21:43:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-23 21:43:42,504 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 387 [2021-02-23 21:43:42,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:43:42,527 INFO L225 Difference]: With dead ends: 1213 [2021-02-23 21:43:42,528 INFO L226 Difference]: Without dead ends: 779 [2021-02-23 21:43:42,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=352, Invalid=1130, Unknown=0, NotChecked=0, Total=1482 [2021-02-23 21:43:42,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2021-02-23 21:43:43,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 563. [2021-02-23 21:43:43,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2021-02-23 21:43:43,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 613 transitions. [2021-02-23 21:43:43,166 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 613 transitions. Word has length 387 [2021-02-23 21:43:43,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:43:43,167 INFO L480 AbstractCegarLoop]: Abstraction has 563 states and 613 transitions. [2021-02-23 21:43:43,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 21:43:43,168 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 613 transitions. [2021-02-23 21:43:43,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-02-23 21:43:43,178 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:43:43,178 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:43:43,179 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 21:43:43,179 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:43:43,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:43:43,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1027820035, now seen corresponding path program 1 times [2021-02-23 21:43:43,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:43:43,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [434816337] [2021-02-23 21:43:43,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:43:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:43,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:43,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:43,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:43,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:43:43,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:43,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,029 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 21:43:45,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:43:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 21:43:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 21:43:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 21:43:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 21:43:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 21:43:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:43:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 21:43:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:43:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 21:43:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:43:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-02-23 21:43:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 21:43:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 21:43:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-02-23 21:43:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-02-23 21:43:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-02-23 21:43:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-02-23 21:43:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:43:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-02-23 21:43:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-02-23 21:43:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:45,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:45,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:45,540 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-02-23 21:43:45,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [434816337] [2021-02-23 21:43:45,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:43:45,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 21:43:45,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772714644] [2021-02-23 21:43:45,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 21:43:45,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:43:45,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 21:43:45,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 21:43:45,545 INFO L87 Difference]: Start difference. First operand 563 states and 613 transitions. Second operand 9 states. [2021-02-23 21:43:49,627 WARN L202 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:43:55,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:43:55,883 INFO L93 Difference]: Finished difference Result 1008 states and 1141 transitions. [2021-02-23 21:43:55,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 21:43:55,883 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 389 [2021-02-23 21:43:55,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:43:55,890 INFO L225 Difference]: With dead ends: 1008 [2021-02-23 21:43:55,891 INFO L226 Difference]: Without dead ends: 780 [2021-02-23 21:43:55,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-02-23 21:43:55,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2021-02-23 21:43:56,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 565. [2021-02-23 21:43:56,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2021-02-23 21:43:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 615 transitions. [2021-02-23 21:43:56,316 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 615 transitions. Word has length 389 [2021-02-23 21:43:56,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:43:56,317 INFO L480 AbstractCegarLoop]: Abstraction has 565 states and 615 transitions. [2021-02-23 21:43:56,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 21:43:56,318 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 615 transitions. [2021-02-23 21:43:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-02-23 21:43:56,327 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:43:56,327 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:43:56,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 21:43:56,328 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:43:56,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:43:56,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1939209913, now seen corresponding path program 1 times [2021-02-23 21:43:56,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:43:56,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861796915] [2021-02-23 21:43:56,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:43:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:56,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:56,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:56,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:56,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:43:56,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:56,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:43:56,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:56,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,189 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 21:43:58,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:43:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 21:43:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 21:43:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 21:43:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 21:43:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 21:43:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:43:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 21:43:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:43:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 21:43:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:43:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-02-23 21:43:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 21:43:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 21:43:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-02-23 21:43:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-02-23 21:43:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-02-23 21:43:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-02-23 21:43:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:43:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-02-23 21:43:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-02-23 21:43:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:43:58,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:43:58,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:43:58,684 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-02-23 21:43:58,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1861796915] [2021-02-23 21:43:58,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 21:43:58,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-23 21:43:58,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399561751] [2021-02-23 21:43:58,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 21:43:58,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:43:58,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 21:43:58,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-02-23 21:43:58,686 INFO L87 Difference]: Start difference. First operand 565 states and 615 transitions. Second operand 10 states. [2021-02-23 21:44:02,471 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:44:04,133 WARN L202 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:44:11,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:44:11,468 INFO L93 Difference]: Finished difference Result 1083 states and 1241 transitions. [2021-02-23 21:44:11,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-23 21:44:11,471 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 398 [2021-02-23 21:44:11,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:44:11,480 INFO L225 Difference]: With dead ends: 1083 [2021-02-23 21:44:11,481 INFO L226 Difference]: Without dead ends: 855 [2021-02-23 21:44:11,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2021-02-23 21:44:11,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2021-02-23 21:44:12,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 635. [2021-02-23 21:44:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2021-02-23 21:44:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 708 transitions. [2021-02-23 21:44:12,022 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 708 transitions. Word has length 398 [2021-02-23 21:44:12,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:44:12,023 INFO L480 AbstractCegarLoop]: Abstraction has 635 states and 708 transitions. [2021-02-23 21:44:12,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 21:44:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 708 transitions. [2021-02-23 21:44:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-02-23 21:44:12,027 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:44:12,028 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:44:12,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 21:44:12,028 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:44:12,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:44:12,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1663948186, now seen corresponding path program 1 times [2021-02-23 21:44:12,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:44:12,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872085383] [2021-02-23 21:44:12,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:44:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:12,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:12,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:12,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:12,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:44:12,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:12,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,014 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 21:44:14,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:44:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 21:44:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 21:44:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 21:44:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 21:44:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 21:44:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:44:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 21:44:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:44:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 21:44:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:44:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-02-23 21:44:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 21:44:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 21:44:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-02-23 21:44:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-02-23 21:44:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-02-23 21:44:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-02-23 21:44:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:44:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-02-23 21:44:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-02-23 21:44:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:14,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:14,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:14,472 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-02-23 21:44:14,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872085383] [2021-02-23 21:44:14,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:44:14,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 21:44:14,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756169082] [2021-02-23 21:44:14,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 21:44:14,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:44:14,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 21:44:14,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 21:44:14,475 INFO L87 Difference]: Start difference. First operand 635 states and 708 transitions. Second operand 9 states. [2021-02-23 21:44:18,013 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:44:24,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:44:24,972 INFO L93 Difference]: Finished difference Result 1360 states and 1611 transitions. [2021-02-23 21:44:24,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 21:44:24,973 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 401 [2021-02-23 21:44:24,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:44:24,979 INFO L225 Difference]: With dead ends: 1360 [2021-02-23 21:44:24,979 INFO L226 Difference]: Without dead ends: 986 [2021-02-23 21:44:25,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-02-23 21:44:25,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2021-02-23 21:44:25,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 702. [2021-02-23 21:44:25,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2021-02-23 21:44:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 796 transitions. [2021-02-23 21:44:25,532 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 796 transitions. Word has length 401 [2021-02-23 21:44:25,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:44:25,533 INFO L480 AbstractCegarLoop]: Abstraction has 702 states and 796 transitions. [2021-02-23 21:44:25,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 21:44:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 796 transitions. [2021-02-23 21:44:25,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-02-23 21:44:25,537 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:44:25,538 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:44:25,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 21:44:25,538 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:44:25,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:44:25,539 INFO L82 PathProgramCache]: Analyzing trace with hash -2070444459, now seen corresponding path program 1 times [2021-02-23 21:44:25,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:44:25,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130985061] [2021-02-23 21:44:25,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:44:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:25,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:25,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:25,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:25,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:44:25,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:25,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,335 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 21:44:27,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:44:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 21:44:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 21:44:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 21:44:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 21:44:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 21:44:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:44:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 21:44:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:44:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 21:44:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:44:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-02-23 21:44:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 21:44:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 21:44:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-02-23 21:44:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-02-23 21:44:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-23 21:44:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-02-23 21:44:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:44:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-02-23 21:44:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-02-23 21:44:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:27,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:27,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-02-23 21:44:27,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130985061] [2021-02-23 21:44:27,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:44:27,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 21:44:27,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039256796] [2021-02-23 21:44:27,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 21:44:27,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:44:27,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 21:44:27,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 21:44:27,786 INFO L87 Difference]: Start difference. First operand 702 states and 796 transitions. Second operand 9 states. [2021-02-23 21:44:31,640 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:44:38,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:44:38,851 INFO L93 Difference]: Finished difference Result 1666 states and 2017 transitions. [2021-02-23 21:44:38,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 21:44:38,854 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 405 [2021-02-23 21:44:38,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:44:38,863 INFO L225 Difference]: With dead ends: 1666 [2021-02-23 21:44:38,864 INFO L226 Difference]: Without dead ends: 1234 [2021-02-23 21:44:38,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-02-23 21:44:38,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2021-02-23 21:44:39,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 827. [2021-02-23 21:44:39,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-02-23 21:44:39,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 960 transitions. [2021-02-23 21:44:39,613 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 960 transitions. Word has length 405 [2021-02-23 21:44:39,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:44:39,613 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 960 transitions. [2021-02-23 21:44:39,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 21:44:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 960 transitions. [2021-02-23 21:44:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-02-23 21:44:39,618 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:44:39,619 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:44:39,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 21:44:39,619 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:44:39,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:44:39,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1992018237, now seen corresponding path program 2 times [2021-02-23 21:44:39,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:44:39,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1443813346] [2021-02-23 21:44:39,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:44:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:39,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:39,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:39,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:39,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:44:39,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:39,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:44:39,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:39,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:39,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:39,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:44:39,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:39,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,416 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 21:44:41,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:44:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 21:44:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 21:44:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 21:44:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 21:44:41,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 21:44:41,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 21:44:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 21:44:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:44:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 21:44:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:44:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 21:44:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:44:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-02-23 21:44:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 21:44:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 21:44:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-02-23 21:44:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-02-23 21:44:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-02-23 21:44:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-02-23 21:44:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:44:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-02-23 21:44:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-02-23 21:44:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:44:41,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:44:41,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:44:41,855 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-02-23 21:44:41,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1443813346] [2021-02-23 21:44:41,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:44:41,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-23 21:44:41,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818763230] [2021-02-23 21:44:41,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 21:44:41,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:44:41,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 21:44:41,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-02-23 21:44:41,857 INFO L87 Difference]: Start difference. First operand 827 states and 960 transitions. Second operand 13 states. [2021-02-23 21:44:44,726 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 21:44:46,588 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 21:44:48,425 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:44:50,148 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:44:51,830 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:44:54,976 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 21:45:03,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:45:03,490 INFO L93 Difference]: Finished difference Result 1733 states and 2101 transitions. [2021-02-23 21:45:03,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-23 21:45:03,490 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 407 [2021-02-23 21:45:03,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:45:03,498 INFO L225 Difference]: With dead ends: 1733 [2021-02-23 21:45:03,498 INFO L226 Difference]: Without dead ends: 1234 [2021-02-23 21:45:03,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=192, Invalid=510, Unknown=0, NotChecked=0, Total=702 [2021-02-23 21:45:03,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2021-02-23 21:45:04,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 827. [2021-02-23 21:45:04,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-02-23 21:45:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 958 transitions. [2021-02-23 21:45:04,404 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 958 transitions. Word has length 407 [2021-02-23 21:45:04,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:45:04,404 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 958 transitions. [2021-02-23 21:45:04,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 21:45:04,405 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 958 transitions. [2021-02-23 21:45:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-02-23 21:45:04,409 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:45:04,409 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:45:04,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 21:45:04,410 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:45:04,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:45:04,410 INFO L82 PathProgramCache]: Analyzing trace with hash -790316358, now seen corresponding path program 1 times [2021-02-23 21:45:04,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:45:04,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068852380] [2021-02-23 21:45:04,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:45:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:04,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:04,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:04,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:04,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:04,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:04,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,184 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 21:45:06,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:45:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 21:45:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 21:45:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 21:45:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 21:45:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 21:45:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:45:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 21:45:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:45:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 21:45:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:45:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-02-23 21:45:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 21:45:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 21:45:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-02-23 21:45:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-02-23 21:45:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-02-23 21:45:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-02-23 21:45:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:45:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-02-23 21:45:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-02-23 21:45:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:06,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:06,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-02-23 21:45:06,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068852380] [2021-02-23 21:45:06,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:45:06,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 21:45:06,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980207986] [2021-02-23 21:45:06,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 21:45:06,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:45:06,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 21:45:06,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 21:45:06,561 INFO L87 Difference]: Start difference. First operand 827 states and 958 transitions. Second operand 9 states. [2021-02-23 21:45:10,192 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:45:17,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:45:17,999 INFO L93 Difference]: Finished difference Result 2261 states and 2803 transitions. [2021-02-23 21:45:18,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 21:45:18,000 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 409 [2021-02-23 21:45:18,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:45:18,010 INFO L225 Difference]: With dead ends: 2261 [2021-02-23 21:45:18,010 INFO L226 Difference]: Without dead ends: 1712 [2021-02-23 21:45:18,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-02-23 21:45:18,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2021-02-23 21:45:19,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1067. [2021-02-23 21:45:19,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2021-02-23 21:45:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1273 transitions. [2021-02-23 21:45:19,343 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1273 transitions. Word has length 409 [2021-02-23 21:45:19,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:45:19,343 INFO L480 AbstractCegarLoop]: Abstraction has 1067 states and 1273 transitions. [2021-02-23 21:45:19,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 21:45:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1273 transitions. [2021-02-23 21:45:19,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-02-23 21:45:19,348 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:45:19,349 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:45:19,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 21:45:19,349 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:45:19,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:45:19,350 INFO L82 PathProgramCache]: Analyzing trace with hash 532157824, now seen corresponding path program 1 times [2021-02-23 21:45:19,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:45:19,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921602613] [2021-02-23 21:45:19,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:45:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:19,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:19,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:19,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:19,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:19,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:19,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,129 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 21:45:21,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:45:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 21:45:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 21:45:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 21:45:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 21:45:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:21,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 21:45:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:45:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 21:45:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:45:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 21:45:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:45:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-23 21:45:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:21,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:45:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:21,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:21,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-02-23 21:45:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 21:45:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 21:45:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-02-23 21:45:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-02-23 21:45:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-02-23 21:45:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-02-23 21:45:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:45:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-02-23 21:45:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-02-23 21:45:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,712 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-02-23 21:45:21,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921602613] [2021-02-23 21:45:21,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:45:21,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-23 21:45:21,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171341218] [2021-02-23 21:45:21,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-23 21:45:21,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:45:21,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-23 21:45:21,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-02-23 21:45:21,715 INFO L87 Difference]: Start difference. First operand 1067 states and 1273 transitions. Second operand 14 states. [2021-02-23 21:45:24,080 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:45:26,732 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-23 21:45:29,825 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:45:31,725 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 21:45:39,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:45:39,699 INFO L93 Difference]: Finished difference Result 2452 states and 3054 transitions. [2021-02-23 21:45:39,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-23 21:45:39,700 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 418 [2021-02-23 21:45:39,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:45:39,709 INFO L225 Difference]: With dead ends: 2452 [2021-02-23 21:45:39,709 INFO L226 Difference]: Without dead ends: 1709 [2021-02-23 21:45:39,713 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 [2021-02-23 21:45:39,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2021-02-23 21:45:41,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1066. [2021-02-23 21:45:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2021-02-23 21:45:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1271 transitions. [2021-02-23 21:45:41,090 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1271 transitions. Word has length 418 [2021-02-23 21:45:41,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:45:41,091 INFO L480 AbstractCegarLoop]: Abstraction has 1066 states and 1271 transitions. [2021-02-23 21:45:41,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-23 21:45:41,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1271 transitions. [2021-02-23 21:45:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-02-23 21:45:41,098 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:45:41,099 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:45:41,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 21:45:41,099 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:45:41,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:45:41,100 INFO L82 PathProgramCache]: Analyzing trace with hash -734072453, now seen corresponding path program 1 times [2021-02-23 21:45:41,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:45:41,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253546547] [2021-02-23 21:45:41,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:45:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:41,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:41,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:41,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:41,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:41,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:41,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:41,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:41,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:41,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:41,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:41,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:41,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:41,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:41,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:41,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:41,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:41,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:41,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:41,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:41,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:41,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:41,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:41,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:41,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,093 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 21:45:43,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:45:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 21:45:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 21:45:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 21:45:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 21:45:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:43,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 21:45:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:45:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 21:45:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:45:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 21:45:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:45:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-23 21:45:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:45:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-23 21:45:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:43,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:43,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 21:45:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 21:45:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:43,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:43,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-23 21:45:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-23 21:45:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-23 21:45:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:43,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:43,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-02-23 21:45:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:45:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:43,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-02-23 21:45:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:43,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:43,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-02-23 21:45:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:43,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:43,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:44,031 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-02-23 21:45:44,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253546547] [2021-02-23 21:45:44,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:45:44,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-23 21:45:44,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499167123] [2021-02-23 21:45:44,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-23 21:45:44,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:45:44,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-23 21:45:44,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2021-02-23 21:45:44,036 INFO L87 Difference]: Start difference. First operand 1066 states and 1271 transitions. Second operand 26 states. [2021-02-23 21:45:46,434 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:45:49,364 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:45:54,893 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 21:45:56,767 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-23 21:45:58,916 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 21:46:01,916 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 21:46:06,173 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 21:46:07,970 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 526 [2021-02-23 21:46:09,978 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 21:46:11,880 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-23 21:46:13,774 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 21:46:15,602 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 21:46:17,546 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-23 21:46:19,812 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-23 21:46:21,778 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 526 [2021-02-23 21:46:26,162 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-23 21:46:29,505 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 21:46:31,368 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 523 [2021-02-23 21:46:33,631 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:46:35,490 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 21:46:38,346 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:46:42,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:46:42,039 INFO L93 Difference]: Finished difference Result 2195 states and 2672 transitions. [2021-02-23 21:46:42,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-02-23 21:46:42,040 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 419 [2021-02-23 21:46:42,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:46:42,053 INFO L225 Difference]: With dead ends: 2195 [2021-02-23 21:46:42,053 INFO L226 Difference]: Without dead ends: 1946 [2021-02-23 21:46:42,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 42.8s TimeCoverageRelationStatistics Valid=1347, Invalid=6135, Unknown=0, NotChecked=0, Total=7482 [2021-02-23 21:46:42,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1946 states. [2021-02-23 21:46:43,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1946 to 1255. [2021-02-23 21:46:43,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-02-23 21:46:43,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1476 transitions. [2021-02-23 21:46:43,663 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1476 transitions. Word has length 419 [2021-02-23 21:46:43,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:46:43,663 INFO L480 AbstractCegarLoop]: Abstraction has 1255 states and 1476 transitions. [2021-02-23 21:46:43,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-23 21:46:43,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1476 transitions. [2021-02-23 21:46:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-02-23 21:46:43,668 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:46:43,669 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:46:43,669 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 21:46:43,669 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:46:43,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:46:43,670 INFO L82 PathProgramCache]: Analyzing trace with hash 2016191617, now seen corresponding path program 1 times [2021-02-23 21:46:43,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:46:43,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060773454] [2021-02-23 21:46:43,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:46:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:43,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:43,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:43,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:43,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:46:43,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:43,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:46:43,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:43,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:46:43,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:43,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:46:43,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:43,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:46:43,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:43,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:46:43,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:43,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:46:43,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:43,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,662 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 21:46:45,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:46:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 21:46:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 21:46:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 21:46:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 21:46:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 21:46:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:46:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 21:46:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:46:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 21:46:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:46:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-23 21:46:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:46:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-23 21:46:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:45,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 21:46:45,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 21:46:45,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 21:46:45,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 21:46:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:45,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:45,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:46,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 21:46:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:46,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:46,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:46,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-23 21:46:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:46,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:46,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:46,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-23 21:46:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:46,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:46,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:46,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-23 21:46:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:46,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:46,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:46:46,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:46,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:46:46,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-02-23 21:46:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:46,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:46,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:46,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:46:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:46,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:46,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:46,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-02-23 21:46:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:46,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:46,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:46,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-02-23 21:46:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:46,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:46,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-02-23 21:46:46,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2060773454] [2021-02-23 21:46:46,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:46:46,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-02-23 21:46:46,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490783516] [2021-02-23 21:46:46,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-23 21:46:46,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:46:46,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-23 21:46:46,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-02-23 21:46:46,276 INFO L87 Difference]: Start difference. First operand 1255 states and 1476 transitions. Second operand 21 states. [2021-02-23 21:46:53,715 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 21:46:57,270 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 21:46:59,464 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 527 [2021-02-23 21:47:01,560 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:47:03,509 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:47:05,475 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:47:07,444 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:47:09,188 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:47:10,945 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:47:13,521 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:47:15,300 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:47:17,094 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:47:18,855 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 523 [2021-02-23 21:47:24,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:47:24,279 INFO L93 Difference]: Finished difference Result 2356 states and 2843 transitions. [2021-02-23 21:47:24,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-02-23 21:47:24,281 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 420 [2021-02-23 21:47:24,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:47:24,292 INFO L225 Difference]: With dead ends: 2356 [2021-02-23 21:47:24,293 INFO L226 Difference]: Without dead ends: 1938 [2021-02-23 21:47:24,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1061 ImplicationChecksByTransitivity, 26.9s TimeCoverageRelationStatistics Valid=813, Invalid=4157, Unknown=0, NotChecked=0, Total=4970 [2021-02-23 21:47:24,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2021-02-23 21:47:25,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1271. [2021-02-23 21:47:25,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2021-02-23 21:47:25,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1492 transitions. [2021-02-23 21:47:25,878 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1492 transitions. Word has length 420 [2021-02-23 21:47:25,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:47:25,878 INFO L480 AbstractCegarLoop]: Abstraction has 1271 states and 1492 transitions. [2021-02-23 21:47:25,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-02-23 21:47:25,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1492 transitions. [2021-02-23 21:47:25,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-02-23 21:47:25,883 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:47:25,884 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:47:25,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 21:47:25,884 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:47:25,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:47:25,885 INFO L82 PathProgramCache]: Analyzing trace with hash -516557178, now seen corresponding path program 1 times [2021-02-23 21:47:25,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:47:25,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293166105] [2021-02-23 21:47:25,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:47:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:25,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:25,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:25,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:25,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:47:25,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:26,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:47:26,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:26,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:26,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:26,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:47:26,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:26,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:47:26,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:26,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,742 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-23 21:47:27,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:47:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 21:47:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 21:47:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 21:47:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 21:47:27,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 21:47:27,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-23 21:47:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 21:47:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:47:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 21:47:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:47:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 21:47:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 21:47:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-23 21:47:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:47:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:27,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-23 21:47:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:27,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:27,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:28,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 21:47:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:28,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:28,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:28,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 21:47:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:28,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:28,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:28,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-23 21:47:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:28,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:28,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:28,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-23 21:47:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:28,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:28,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:28,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-23 21:47:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:28,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:28,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:28,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-02-23 21:47:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:28,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:28,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:28,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:47:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:28,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:28,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:28,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-02-23 21:47:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:28,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:28,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:28,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-02-23 21:47:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:47:28,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:28,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:47:28,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:28,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:47:28,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:47:28,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:47:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-02-23 21:47:28,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293166105] [2021-02-23 21:47:28,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:47:28,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-23 21:47:28,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253100905] [2021-02-23 21:47:28,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-23 21:47:28,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:47:28,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-23 21:47:28,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-02-23 21:47:28,308 INFO L87 Difference]: Start difference. First operand 1271 states and 1492 transitions. Second operand 17 states. [2021-02-23 21:47:30,729 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 21:47:32,587 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 21:47:34,390 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:47:36,094 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:47:37,807 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:47:47,450 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-23 21:47:49,178 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:47:51,095 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 21:47:52,990 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-23 21:47:54,854 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-23 21:47:57,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:47:57,338 INFO L93 Difference]: Finished difference Result 1936 states and 2377 transitions. [2021-02-23 21:47:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-23 21:47:57,338 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 420 [2021-02-23 21:47:57,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:47:57,340 INFO L225 Difference]: With dead ends: 1936 [2021-02-23 21:47:57,340 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 21:47:57,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=346, Invalid=1060, Unknown=0, NotChecked=0, Total=1406 [2021-02-23 21:47:57,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 21:47:57,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 21:47:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 21:47:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 21:47:57,348 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 420 [2021-02-23 21:47:57,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:47:57,348 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 21:47:57,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-23 21:47:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 21:47:57,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 21:47:57,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 21:47:57,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 21:47:57,499 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2021-02-23 21:47:57,615 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:47:57,740 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-23 21:47:57,946 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:47:58,646 WARN L202 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 51 [2021-02-23 21:47:58,772 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-23 21:47:58,893 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-23 21:47:59,002 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2021-02-23 21:47:59,113 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-23 21:48:00,173 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 591 DAG size of output: 548 [2021-02-23 21:48:00,500 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 524 [2021-02-23 21:48:00,761 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-23 21:48:00,997 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-23 21:48:01,564 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2021-02-23 21:48:03,055 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2021-02-23 21:48:04,338 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2021-02-23 21:48:04,818 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-23 21:48:05,171 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-23 21:48:05,626 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-23 21:48:05,777 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 21:48:05,929 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 21:48:06,080 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 21:48:06,320 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-23 21:48:07,801 WARN L202 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 541 [2021-02-23 21:48:14,477 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:48:16,400 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:48:18,674 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 522 [2021-02-23 21:48:21,082 WARN L202 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:48:21,595 WARN L202 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:48:22,698 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-23 21:48:22,922 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-23 21:48:23,516 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-23 21:48:23,745 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 21:48:23,986 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 21:48:24,218 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 21:48:24,463 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-23 21:48:24,703 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-23 21:48:24,938 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-23 21:48:25,180 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-23 21:48:25,409 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 21:48:25,641 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 21:48:25,815 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-23 21:48:27,023 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 21:48:27,615 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 21:48:27,808 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 21:48:27,997 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 21:48:30,163 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 358 [2021-02-23 21:48:30,320 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 21:48:30,676 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 514 [2021-02-23 21:48:30,823 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 21:48:31,057 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 305 [2021-02-23 21:48:32,688 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 641 DAG size of output: 73 [2021-02-23 21:48:34,078 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 641 DAG size of output: 73 [2021-02-23 21:48:35,268 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 21:48:36,362 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 21:48:36,770 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-23 21:48:37,109 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-23 21:48:37,454 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-23 21:48:37,603 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 21:48:37,750 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 21:48:37,899 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 21:48:38,116 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-23 21:48:38,724 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 48 [2021-02-23 21:48:39,086 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 46 [2021-02-23 21:48:39,550 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 548 [2021-02-23 21:48:39,981 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-23 21:48:40,929 WARN L202 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 21:48:41,354 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-23 21:48:42,190 WARN L202 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 21:48:43,021 WARN L202 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 21:48:43,515 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 21:48:43,779 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2021-02-23 21:48:44,262 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 21:48:44,851 WARN L202 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 21 [2021-02-23 21:48:45,323 WARN L202 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 21:48:45,798 WARN L202 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 21:48:45,939 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2021-02-23 21:48:46,085 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2021-02-23 21:48:46,420 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2021-02-23 21:48:47,246 WARN L202 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 21:48:48,070 WARN L202 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 21:48:48,484 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-23 21:48:48,681 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2021-02-23 21:48:49,034 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 46 [2021-02-23 21:48:49,645 WARN L202 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:48:50,146 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:48:50,660 WARN L202 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:48:51,147 WARN L202 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:48:51,601 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:48:52,030 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:48:53,911 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:48:55,777 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:48:57,598 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:48:59,405 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:01,246 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:03,073 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:04,938 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:06,803 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:09,242 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-23 21:49:11,489 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-23 21:49:13,329 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:15,164 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:17,013 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:18,837 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:20,698 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:22,550 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:24,422 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:26,288 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:26,835 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-23 21:49:26,997 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-23 21:49:28,566 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 21:49:29,676 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 21:49:29,843 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-23 21:49:30,009 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-23 21:49:30,659 WARN L202 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:49:31,156 WARN L202 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:49:31,470 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 21:49:31,640 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-23 21:49:31,865 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 21:49:32,097 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 21:49:32,516 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 524 [2021-02-23 21:49:32,641 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-23 21:49:32,765 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-23 21:49:34,381 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 21:49:35,455 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 21:49:37,293 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:39,101 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:40,945 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:42,786 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:44,595 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:46,471 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:48,293 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:50,175 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:52,029 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:53,832 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:55,649 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:57,473 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:49:59,320 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:01,134 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:03,163 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:05,167 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:05,535 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 44 [2021-02-23 21:50:05,864 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 41 [2021-02-23 21:50:06,083 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 34 [2021-02-23 21:50:07,776 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 44 [2021-02-23 21:50:08,105 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 41 [2021-02-23 21:50:08,323 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 34 [2021-02-23 21:50:09,828 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 406 [2021-02-23 21:50:10,946 WARN L202 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 501 [2021-02-23 21:50:13,273 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 41 [2021-02-23 21:50:13,594 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 41 [2021-02-23 21:50:16,725 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-23 21:50:19,011 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-23 21:50:20,099 WARN L202 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 21:50:21,017 WARN L202 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 21:50:22,149 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 21:50:23,237 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 21:50:23,439 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 43 [2021-02-23 21:50:23,689 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 37 [2021-02-23 21:50:24,498 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 510 [2021-02-23 21:50:25,908 WARN L202 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 544 [2021-02-23 21:50:27,677 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-23 21:50:27,895 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-23 21:50:28,135 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 21:50:29,977 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:31,846 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:33,673 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:35,519 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:37,517 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 21:50:38,636 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 21:50:40,615 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:42,468 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:44,418 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:46,255 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:47,434 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 21:50:48,533 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 21:50:50,391 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:52,212 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:54,272 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 688 DAG size of output: 60 [2021-02-23 21:50:56,283 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 688 DAG size of output: 60 [2021-02-23 21:50:58,078 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:50:59,890 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:01,745 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:03,610 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:04,520 WARN L202 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 21:51:05,444 WARN L202 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 21:51:07,379 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:09,219 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:11,068 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:12,932 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:13,349 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-23 21:51:14,269 WARN L202 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 21:51:14,684 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-23 21:51:15,494 WARN L202 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 21:51:16,304 WARN L202 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 21:51:16,781 WARN L202 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 21:51:17,043 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2021-02-23 21:51:17,542 WARN L202 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 21:51:18,151 WARN L202 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 21 [2021-02-23 21:51:18,667 WARN L202 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 21:51:19,167 WARN L202 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-23 21:51:19,313 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2021-02-23 21:51:19,462 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2021-02-23 21:51:19,810 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2021-02-23 21:51:20,666 WARN L202 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 21:51:21,502 WARN L202 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-23 21:51:21,963 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-23 21:51:22,162 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2021-02-23 21:51:23,329 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 21:51:24,510 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-23 21:51:26,416 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:28,306 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:30,178 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:32,056 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:34,072 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:35,952 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:37,818 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:39,728 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:41,587 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:43,465 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:45,340 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:47,197 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:49,089 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:50,951 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:52,774 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:54,607 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:56,508 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:51:58,399 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:00,309 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:02,205 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:04,069 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:05,974 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:07,864 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:09,739 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:11,599 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:13,475 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:15,287 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:17,120 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:18,960 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:20,853 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:21,985 WARN L202 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 501 [2021-02-23 21:52:24,533 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:26,381 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:28,545 WARN L202 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:52:28,994 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:52:29,503 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 523 [2021-02-23 21:52:30,936 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 358 [2021-02-23 21:52:31,083 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 21:52:31,434 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 514 [2021-02-23 21:52:31,581 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-23 21:52:31,816 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 305 [2021-02-23 21:52:32,459 WARN L202 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:52:32,959 WARN L202 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:52:33,153 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 21:52:33,342 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 21:52:33,531 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-23 21:52:34,053 WARN L202 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:52:34,488 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:52:35,136 WARN L202 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:52:35,635 WARN L202 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:52:37,118 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:37,339 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:37,562 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:37,778 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:37,998 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:38,218 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:38,432 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:38,649 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:38,865 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:39,460 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-23 21:52:39,616 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-23 21:52:40,074 WARN L202 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:52:40,515 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:52:41,260 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:41,475 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:41,694 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:41,910 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:42,131 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:42,346 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:42,561 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:42,775 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:42,995 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-23 21:52:45,065 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:46,877 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:49,231 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:51,089 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:52,942 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:54,773 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:56,632 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:52:58,471 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:53:00,328 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:53:02,229 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:53:04,175 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:53:06,002 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:53:07,813 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:53:09,613 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:53:11,517 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:53:13,342 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:53:15,735 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:53:17,642 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-23 21:53:18,817 WARN L202 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 21:53:19,796 WARN L202 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 21:53:20,928 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 21:53:22,084 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 21:53:23,610 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 21:53:24,587 WARN L202 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 21:53:25,831 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 21:53:26,967 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 21:53:28,064 WARN L202 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 21:53:29,024 WARN L202 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-23 21:53:29,256 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 21:53:29,440 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-23 21:53:29,673 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 21:53:29,910 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-23 21:53:31,015 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 21:53:32,119 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-23 21:53:33,048 WARN L202 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:53:33,518 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:53:34,051 WARN L202 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:53:34,576 WARN L202 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:53:35,187 WARN L202 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:53:35,642 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:53:35,964 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 523 [2021-02-23 21:53:36,587 WARN L202 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:53:37,050 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-23 21:53:38,541 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:53:39,985 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 363 DAG size of output: 26 [2021-02-23 21:53:41,402 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:53:45,557 WARN L202 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 369 DAG size of output: 30 [2021-02-23 21:53:47,045 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 381 DAG size of output: 28 [2021-02-23 21:53:52,050 WARN L202 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 365 DAG size of output: 20 [2021-02-23 21:53:56,115 WARN L202 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-23 21:53:57,566 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:54:00,104 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 369 DAG size of output: 20 [2021-02-23 21:54:04,155 WARN L202 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-23 21:54:05,554 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:54:07,036 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:54:09,834 WARN L202 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 360 DAG size of output: 12 [2021-02-23 21:54:11,221 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:54:12,529 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 355 DAG size of output: 18 [2021-02-23 21:54:16,637 WARN L202 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-23 21:54:19,504 WARN L202 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 359 DAG size of output: 9 [2021-02-23 21:54:22,194 WARN L202 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 359 DAG size of output: 9 [2021-02-23 21:54:23,505 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-23 21:54:24,828 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-23 21:54:26,205 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-23 21:54:29,070 WARN L202 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 362 DAG size of output: 13 [2021-02-23 21:54:30,404 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-23 21:54:31,797 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 370 DAG size of output: 45 [2021-02-23 21:54:34,455 WARN L202 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-23 21:54:35,921 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 375 DAG size of output: 22 [2021-02-23 21:54:37,327 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:54:38,740 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:54:40,157 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:54:41,538 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:54:42,863 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 358 DAG size of output: 21 [2021-02-23 21:54:46,950 WARN L202 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-23 21:54:50,949 WARN L202 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-23 21:54:55,130 WARN L202 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-23 21:54:57,959 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 357 DAG size of output: 12 [2021-02-23 21:54:59,448 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:55:00,852 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-23 21:55:05,088 WARN L202 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-23 21:55:06,650 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:55:09,579 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 359 DAG size of output: 11 [2021-02-23 21:55:12,400 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 358 DAG size of output: 8 [2021-02-23 21:55:13,856 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 357 DAG size of output: 13 [2021-02-23 21:55:15,269 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-23 21:55:16,680 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 367 DAG size of output: 55 [2021-02-23 21:55:19,549 WARN L202 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-23 21:55:22,384 WARN L202 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-23 21:55:25,216 WARN L202 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-23 21:55:26,727 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:55:29,518 WARN L202 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 360 DAG size of output: 12 [2021-02-23 21:55:30,881 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-23 21:55:32,187 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-23 21:55:33,552 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 370 DAG size of output: 45 [2021-02-23 21:55:34,999 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:55:36,380 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:55:37,721 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 366 DAG size of output: 34 [2021-02-23 21:55:40,351 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 358 DAG size of output: 12 [2021-02-23 21:55:44,295 WARN L202 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-23 21:55:45,674 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:55:47,061 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:55:50,670 WARN L202 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 372 DAG size of output: 34 [2021-02-23 21:55:54,270 WARN L202 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 372 DAG size of output: 34 [2021-02-23 21:55:56,888 WARN L202 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 358 DAG size of output: 12 [2021-02-23 21:56:00,518 WARN L202 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 375 DAG size of output: 37 [2021-02-23 21:56:01,892 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:56:03,285 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:56:04,581 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-23 21:56:05,977 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:56:08,639 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 358 DAG size of output: 15 [2021-02-23 21:56:09,971 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 366 DAG size of output: 34 [2021-02-23 21:56:12,660 WARN L202 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 359 DAG size of output: 11 [2021-02-23 21:56:15,315 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 358 DAG size of output: 8 [2021-02-23 21:56:16,723 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-23 21:56:19,369 WARN L202 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-23 21:56:20,658 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 358 DAG size of output: 21