/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 00:41:07,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 00:41:07,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 00:41:07,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 00:41:07,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 00:41:07,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 00:41:07,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 00:41:07,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 00:41:07,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 00:41:07,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 00:41:07,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 00:41:07,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 00:41:07,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 00:41:07,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 00:41:07,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 00:41:07,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 00:41:07,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 00:41:07,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 00:41:07,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 00:41:07,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 00:41:07,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 00:41:07,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 00:41:07,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 00:41:07,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 00:41:07,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 00:41:07,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 00:41:07,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 00:41:07,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 00:41:07,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 00:41:07,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 00:41:07,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 00:41:07,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 00:41:07,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 00:41:07,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 00:41:07,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 00:41:07,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 00:41:07,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 00:41:07,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 00:41:07,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 00:41:07,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 00:41:07,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 00:41:07,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 00:41:07,371 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 00:41:07,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 00:41:07,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 00:41:07,374 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 00:41:07,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 00:41:07,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 00:41:07,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 00:41:07,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 00:41:07,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 00:41:07,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 00:41:07,375 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 00:41:07,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 00:41:07,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 00:41:07,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 00:41:07,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 00:41:07,377 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 00:41:07,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 00:41:07,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 00:41:07,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 00:41:07,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 00:41:07,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 00:41:07,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 00:41:07,378 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 00:41:07,378 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 00:41:07,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 00:41:07,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 00:41:07,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 00:41:07,847 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 00:41:07,848 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 00:41:07,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2021-02-22 00:41:07,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64d94ad85/353d55d9acbc41b19debbc14572aef05/FLAGf27865a40 [2021-02-22 00:41:08,825 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 00:41:08,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2021-02-22 00:41:08,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64d94ad85/353d55d9acbc41b19debbc14572aef05/FLAGf27865a40 [2021-02-22 00:41:09,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64d94ad85/353d55d9acbc41b19debbc14572aef05 [2021-02-22 00:41:09,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 00:41:09,070 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 00:41:09,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 00:41:09,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 00:41:09,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 00:41:09,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:41:09" (1/1) ... [2021-02-22 00:41:09,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dac1bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:41:09, skipping insertion in model container [2021-02-22 00:41:09,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:41:09" (1/1) ... [2021-02-22 00:41:09,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 00:41:09,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 00:41:09,596 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] [2021-02-22 00:41:09,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:41:09,851 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 00:41:09,949 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] [2021-02-22 00:41:10,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:41:10,086 INFO L208 MainTranslator]: Completed translation [2021-02-22 00:41:10,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:41:10 WrapperNode [2021-02-22 00:41:10,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 00:41:10,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 00:41:10,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 00:41:10,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 00:41:10,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:41:10" (1/1) ... [2021-02-22 00:41:10,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:41:10" (1/1) ... [2021-02-22 00:41:10,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:41:10" (1/1) ... [2021-02-22 00:41:10,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:41:10" (1/1) ... [2021-02-22 00:41:10,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:41:10" (1/1) ... [2021-02-22 00:41:10,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:41:10" (1/1) ... [2021-02-22 00:41:10,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:41:10" (1/1) ... [2021-02-22 00:41:10,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 00:41:10,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 00:41:10,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 00:41:10,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 00:41:10,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:41:10" (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 [2021-02-22 00:41:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 00:41:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 00:41:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-22 00:41:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 00:41:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2021-02-22 00:41:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2021-02-22 00:41:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2021-02-22 00:41:10,385 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2021-02-22 00:41:10,385 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2021-02-22 00:41:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-22 00:41:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 00:41:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2021-02-22 00:41:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-22 00:41:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-22 00:41:10,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-22 00:41:10,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-22 00:41:10,387 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-22 00:41:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2021-02-22 00:41:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2021-02-22 00:41:10,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2021-02-22 00:41:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-02-22 00:41:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-02-22 00:41:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-02-22 00:41:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-02-22 00:41:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2021-02-22 00:41:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2021-02-22 00:41:10,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2021-02-22 00:41:10,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2021-02-22 00:41:10,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-02-22 00:41:10,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-02-22 00:41:10,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-02-22 00:41:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-02-22 00:41:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-02-22 00:41:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2021-02-22 00:41:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-02-22 00:41:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2021-02-22 00:41:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-02-22 00:41:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2021-02-22 00:41:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2021-02-22 00:41:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-02-22 00:41:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2021-02-22 00:41:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2021-02-22 00:41:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2021-02-22 00:41:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2021-02-22 00:41:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-02-22 00:41:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-02-22 00:41:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2021-02-22 00:41:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2021-02-22 00:41:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2021-02-22 00:41:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2021-02-22 00:41:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2021-02-22 00:41:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-22 00:41:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2021-02-22 00:41:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-22 00:41:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-22 00:41:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-22 00:41:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-22 00:41:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-22 00:41:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-22 00:41:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2021-02-22 00:41:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2021-02-22 00:41:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2021-02-22 00:41:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2021-02-22 00:41:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2021-02-22 00:41:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-02-22 00:41:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-02-22 00:41:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2021-02-22 00:41:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2021-02-22 00:41:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2021-02-22 00:41:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2021-02-22 00:41:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-02-22 00:41:10,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-02-22 00:41:10,401 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2021-02-22 00:41:10,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2021-02-22 00:41:10,402 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-02-22 00:41:10,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-02-22 00:41:10,402 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2021-02-22 00:41:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2021-02-22 00:41:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-02-22 00:41:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2021-02-22 00:41:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-02-22 00:41:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2021-02-22 00:41:10,404 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-02-22 00:41:10,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-02-22 00:41:10,405 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2021-02-22 00:41:10,405 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2021-02-22 00:41:10,406 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2021-02-22 00:41:10,406 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-02-22 00:41:10,406 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2021-02-22 00:41:10,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-02-22 00:41:10,407 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2021-02-22 00:41:10,407 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2021-02-22 00:41:10,407 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 00:41:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 00:41:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 00:41:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 00:41:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 00:41:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 00:41:10,409 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-22 00:41:10,409 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2021-02-22 00:41:10,409 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-02-22 00:41:10,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-22 00:41:10,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-22 00:41:10,409 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-22 00:41:10,409 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2021-02-22 00:41:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2021-02-22 00:41:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2021-02-22 00:41:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-02-22 00:41:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-02-22 00:41:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2021-02-22 00:41:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2021-02-22 00:41:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2021-02-22 00:41:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2021-02-22 00:41:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2021-02-22 00:41:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-22 00:41:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-22 00:41:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 00:41:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2021-02-22 00:41:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-22 00:41:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2021-02-22 00:41:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2021-02-22 00:41:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2021-02-22 00:41:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-02-22 00:41:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-02-22 00:41:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-02-22 00:41:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-02-22 00:41:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2021-02-22 00:41:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2021-02-22 00:41:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2021-02-22 00:41:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2021-02-22 00:41:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-02-22 00:41:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-02-22 00:41:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-02-22 00:41:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-02-22 00:41:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-02-22 00:41:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2021-02-22 00:41:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-02-22 00:41:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2021-02-22 00:41:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-02-22 00:41:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2021-02-22 00:41:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2021-02-22 00:41:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2021-02-22 00:41:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2021-02-22 00:41:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2021-02-22 00:41:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-02-22 00:41:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2021-02-22 00:41:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2021-02-22 00:41:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2021-02-22 00:41:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2021-02-22 00:41:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2021-02-22 00:41:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2021-02-22 00:41:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2021-02-22 00:41:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-22 00:41:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-02-22 00:41:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2021-02-22 00:41:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 00:41:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 00:41:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-22 00:41:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 00:41:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 00:41:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 00:41:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 00:41:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-22 00:41:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 00:41:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-22 00:41:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-22 00:41:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 00:41:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-22 00:41:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-22 00:41:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-22 00:41:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2021-02-22 00:41:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2021-02-22 00:41:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2021-02-22 00:41:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2021-02-22 00:41:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-02-22 00:41:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-02-22 00:41:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2021-02-22 00:41:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2021-02-22 00:41:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2021-02-22 00:41:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-02-22 00:41:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-02-22 00:41:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-02-22 00:41:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-02-22 00:41:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2021-02-22 00:41:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-02-22 00:41:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2021-02-22 00:41:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-02-22 00:41:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2021-02-22 00:41:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-02-22 00:41:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2021-02-22 00:41:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2021-02-22 00:41:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-02-22 00:41:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2021-02-22 00:41:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2021-02-22 00:41:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2021-02-22 00:41:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2021-02-22 00:41:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 00:41:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 00:41:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 00:41:12,961 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 00:41:12,961 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-02-22 00:41:12,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:41:12 BoogieIcfgContainer [2021-02-22 00:41:12,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 00:41:12,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 00:41:12,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 00:41:12,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 00:41:12,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 12:41:09" (1/3) ... [2021-02-22 00:41:12,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63911e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:41:12, skipping insertion in model container [2021-02-22 00:41:12,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:41:10" (2/3) ... [2021-02-22 00:41:12,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63911e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:41:12, skipping insertion in model container [2021-02-22 00:41:12,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:41:12" (3/3) ... [2021-02-22 00:41:12,976 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2021-02-22 00:41:12,983 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 00:41:12,990 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 00:41:13,008 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 00:41:13,034 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 00:41:13,034 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 00:41:13,034 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 00:41:13,035 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 00:41:13,035 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 00:41:13,035 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 00:41:13,035 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 00:41:13,035 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 00:41:13,078 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states. [2021-02-22 00:41:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-02-22 00:41:13,117 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:41:13,119 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] [2021-02-22 00:41:13,119 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:41:13,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:41:13,127 INFO L82 PathProgramCache]: Analyzing trace with hash -377162890, now seen corresponding path program 1 times [2021-02-22 00:41:13,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:41:13,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [772370980] [2021-02-22 00:41:13,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:41:13,219 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 00:41:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:13,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:13,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:13,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:13,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:15,578 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-22 00:41:15,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:41:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:15,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:15,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:15,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-22 00:41:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:15,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:15,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:15,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-22 00:41:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:15,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:15,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:15,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 00:41:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:15,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:15,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:15,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-22 00:41:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:15,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:15,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:15,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:15,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:41:15,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:15,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:15,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 00:41:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:15,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:15,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:15,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:41:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:15,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:15,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:15,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-22 00:41:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:15,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:15,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:41:15,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:15,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:41:15,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:41:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:15,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:15,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:41:15,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:15,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:41:15,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-22 00:41:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:16,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:16,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:16,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:41:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:16,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:16,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:16,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-02-22 00:41:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:16,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:16,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:16,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 00:41:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:16,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:16,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:16,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-22 00:41:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:16,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:16,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:16,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-22 00:41:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:16,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:16,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:16,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-02-22 00:41:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:16,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:16,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:16,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-02-22 00:41:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:16,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:16,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:16,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-02-22 00:41:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:16,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:16,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:16,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 00:41:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:16,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:16,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:16,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-02-22 00:41:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:16,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:16,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:16,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-22 00:41:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:16,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:16,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:16,588 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-02-22 00:41:16,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [772370980] [2021-02-22 00:41:16,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 00:41:16,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-22 00:41:16,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778816647] [2021-02-22 00:41:16,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-22 00:41:16,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 00:41:16,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-22 00:41:16,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-02-22 00:41:16,629 INFO L87 Difference]: Start difference. First operand 584 states. Second operand 13 states. [2021-02-22 00:41:20,129 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:41:22,055 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:41:24,396 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-22 00:41:26,256 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:41:28,032 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:41:29,868 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-22 00:41:40,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 00:41:40,358 INFO L93 Difference]: Finished difference Result 1213 states and 1444 transitions. [2021-02-22 00:41:40,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-22 00:41:40,360 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 387 [2021-02-22 00:41:40,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 00:41:40,383 INFO L225 Difference]: With dead ends: 1213 [2021-02-22 00:41:40,383 INFO L226 Difference]: Without dead ends: 779 [2021-02-22 00:41:40,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=352, Invalid=1130, Unknown=0, NotChecked=0, Total=1482 [2021-02-22 00:41:40,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2021-02-22 00:41:41,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 563. [2021-02-22 00:41:41,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2021-02-22 00:41:41,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 613 transitions. [2021-02-22 00:41:41,143 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 613 transitions. Word has length 387 [2021-02-22 00:41:41,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 00:41:41,144 INFO L480 AbstractCegarLoop]: Abstraction has 563 states and 613 transitions. [2021-02-22 00:41:41,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-22 00:41:41,144 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 613 transitions. [2021-02-22 00:41:41,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-02-22 00:41:41,156 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:41:41,157 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] [2021-02-22 00:41:41,157 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 00:41:41,157 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:41:41,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:41:41,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1027820035, now seen corresponding path program 1 times [2021-02-22 00:41:41,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:41:41,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237301373] [2021-02-22 00:41:41,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:41:41,166 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 00:41:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:41,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:41,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:41,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:41,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:41:41,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:41,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,016 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-22 00:41:43,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:41:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-22 00:41:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-22 00:41:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 00:41:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-22 00:41:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 00:41:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:41:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-22 00:41:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:41:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-22 00:41:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:41:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-02-22 00:41:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 00:41:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-22 00:41:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-02-22 00:41:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-02-22 00:41:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-02-22 00:41:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-02-22 00:41:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 00:41:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-02-22 00:41:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-02-22 00:41:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:43,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:43,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:43,497 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-22 00:41:43,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237301373] [2021-02-22 00:41:43,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 00:41:43,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-22 00:41:43,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842737672] [2021-02-22 00:41:43,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-22 00:41:43,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 00:41:43,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-22 00:41:43,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-22 00:41:43,501 INFO L87 Difference]: Start difference. First operand 563 states and 613 transitions. Second operand 9 states. [2021-02-22 00:41:47,555 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:41:53,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 00:41:53,914 INFO L93 Difference]: Finished difference Result 1008 states and 1141 transitions. [2021-02-22 00:41:53,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-22 00:41:53,915 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 389 [2021-02-22 00:41:53,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 00:41:53,922 INFO L225 Difference]: With dead ends: 1008 [2021-02-22 00:41:53,922 INFO L226 Difference]: Without dead ends: 780 [2021-02-22 00:41:53,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-02-22 00:41:53,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2021-02-22 00:41:54,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 565. [2021-02-22 00:41:54,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2021-02-22 00:41:54,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 615 transitions. [2021-02-22 00:41:54,310 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 615 transitions. Word has length 389 [2021-02-22 00:41:54,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 00:41:54,311 INFO L480 AbstractCegarLoop]: Abstraction has 565 states and 615 transitions. [2021-02-22 00:41:54,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-22 00:41:54,312 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 615 transitions. [2021-02-22 00:41:54,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-02-22 00:41:54,315 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:41:54,316 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] [2021-02-22 00:41:54,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 00:41:54,316 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:41:54,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:41:54,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1939209913, now seen corresponding path program 1 times [2021-02-22 00:41:54,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:41:54,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852331168] [2021-02-22 00:41:54,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:41:54,323 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 00:41:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:54,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:54,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:54,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:54,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:41:54,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:54,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:41:54,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:54,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,142 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-22 00:41:56,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:41:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-22 00:41:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-22 00:41:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 00:41:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-22 00:41:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 00:41:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:41:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-22 00:41:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:41:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-22 00:41:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:41:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-02-22 00:41:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 00:41:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-22 00:41:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-02-22 00:41:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-02-22 00:41:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-02-22 00:41:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-02-22 00:41:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 00:41:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-02-22 00:41:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-02-22 00:41:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:41:56,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:41:56,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:41:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-22 00:41:56,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852331168] [2021-02-22 00:41:56,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 00:41:56,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-22 00:41:56,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666631842] [2021-02-22 00:41:56,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-22 00:41:56,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 00:41:56,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-22 00:41:56,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-02-22 00:41:56,610 INFO L87 Difference]: Start difference. First operand 565 states and 615 transitions. Second operand 10 states. [2021-02-22 00:42:00,617 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:42:02,308 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:42:09,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 00:42:09,727 INFO L93 Difference]: Finished difference Result 1083 states and 1241 transitions. [2021-02-22 00:42:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-22 00:42:09,733 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 398 [2021-02-22 00:42:09,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 00:42:09,742 INFO L225 Difference]: With dead ends: 1083 [2021-02-22 00:42:09,742 INFO L226 Difference]: Without dead ends: 855 [2021-02-22 00:42:09,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2021-02-22 00:42:09,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2021-02-22 00:42:10,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 635. [2021-02-22 00:42:10,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2021-02-22 00:42:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 708 transitions. [2021-02-22 00:42:10,276 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 708 transitions. Word has length 398 [2021-02-22 00:42:10,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 00:42:10,276 INFO L480 AbstractCegarLoop]: Abstraction has 635 states and 708 transitions. [2021-02-22 00:42:10,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-22 00:42:10,277 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 708 transitions. [2021-02-22 00:42:10,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-02-22 00:42:10,280 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:42:10,280 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] [2021-02-22 00:42:10,280 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 00:42:10,281 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:42:10,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:42:10,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1663948186, now seen corresponding path program 1 times [2021-02-22 00:42:10,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:42:10,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058815918] [2021-02-22 00:42:10,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:42:10,287 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 00:42:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:10,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:10,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:10,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:10,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:42:10,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:10,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,215 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-22 00:42:12,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:42:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-22 00:42:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-22 00:42:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 00:42:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-22 00:42:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 00:42:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:42:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-22 00:42:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:42:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-22 00:42:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:42:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-02-22 00:42:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 00:42:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-22 00:42:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-02-22 00:42:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-02-22 00:42:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-02-22 00:42:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-02-22 00:42:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 00:42:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-02-22 00:42:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-02-22 00:42:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:12,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:12,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-22 00:42:12,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1058815918] [2021-02-22 00:42:12,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 00:42:12,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-22 00:42:12,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126908206] [2021-02-22 00:42:12,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-22 00:42:12,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 00:42:12,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-22 00:42:12,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-22 00:42:12,697 INFO L87 Difference]: Start difference. First operand 635 states and 708 transitions. Second operand 9 states. [2021-02-22 00:42:16,583 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:42:23,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 00:42:23,486 INFO L93 Difference]: Finished difference Result 1360 states and 1611 transitions. [2021-02-22 00:42:23,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-22 00:42:23,487 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 401 [2021-02-22 00:42:23,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 00:42:23,493 INFO L225 Difference]: With dead ends: 1360 [2021-02-22 00:42:23,493 INFO L226 Difference]: Without dead ends: 986 [2021-02-22 00:42:23,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-02-22 00:42:23,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2021-02-22 00:42:24,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 702. [2021-02-22 00:42:24,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2021-02-22 00:42:24,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 796 transitions. [2021-02-22 00:42:24,071 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 796 transitions. Word has length 401 [2021-02-22 00:42:24,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 00:42:24,072 INFO L480 AbstractCegarLoop]: Abstraction has 702 states and 796 transitions. [2021-02-22 00:42:24,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-22 00:42:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 796 transitions. [2021-02-22 00:42:24,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-02-22 00:42:24,076 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:42:24,077 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] [2021-02-22 00:42:24,077 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 00:42:24,077 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:42:24,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:42:24,078 INFO L82 PathProgramCache]: Analyzing trace with hash -2070444459, now seen corresponding path program 1 times [2021-02-22 00:42:24,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:42:24,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720206078] [2021-02-22 00:42:24,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:42:24,083 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 00:42:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:24,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:24,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:24,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:24,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:42:24,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:24,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:25,950 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-22 00:42:25,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:42:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-22 00:42:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-22 00:42:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 00:42:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-22 00:42:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 00:42:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:42:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-22 00:42:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:42:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-22 00:42:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:42:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-02-22 00:42:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 00:42:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-22 00:42:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-02-22 00:42:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-02-22 00:42:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-22 00:42:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-02-22 00:42:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 00:42:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-02-22 00:42:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-02-22 00:42:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:26,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:26,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-22 00:42:26,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720206078] [2021-02-22 00:42:26,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 00:42:26,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-22 00:42:26,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387788235] [2021-02-22 00:42:26,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-22 00:42:26,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 00:42:26,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-22 00:42:26,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-22 00:42:26,436 INFO L87 Difference]: Start difference. First operand 702 states and 796 transitions. Second operand 9 states. [2021-02-22 00:42:30,272 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:42:37,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 00:42:37,625 INFO L93 Difference]: Finished difference Result 1666 states and 2017 transitions. [2021-02-22 00:42:37,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-22 00:42:37,628 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 405 [2021-02-22 00:42:37,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 00:42:37,637 INFO L225 Difference]: With dead ends: 1666 [2021-02-22 00:42:37,637 INFO L226 Difference]: Without dead ends: 1234 [2021-02-22 00:42:37,639 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 [2021-02-22 00:42:37,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2021-02-22 00:42:38,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 827. [2021-02-22 00:42:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-02-22 00:42:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 960 transitions. [2021-02-22 00:42:38,377 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 960 transitions. Word has length 405 [2021-02-22 00:42:38,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 00:42:38,378 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 960 transitions. [2021-02-22 00:42:38,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-22 00:42:38,378 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 960 transitions. [2021-02-22 00:42:38,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-02-22 00:42:38,382 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:42:38,383 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] [2021-02-22 00:42:38,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-22 00:42:38,383 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:42:38,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:42:38,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1992018237, now seen corresponding path program 2 times [2021-02-22 00:42:38,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:42:38,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558580035] [2021-02-22 00:42:38,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:42:38,389 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 00:42:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:38,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:38,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:38,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:38,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:42:38,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:38,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:42:38,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:38,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:38,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:38,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:42:38,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:38,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,255 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-22 00:42:40,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:42:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-22 00:42:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-22 00:42:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 00:42:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 00:42:40,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 00:42:40,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-22 00:42:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 00:42:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:42:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-22 00:42:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:42:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-22 00:42:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:42:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-02-22 00:42:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 00:42:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-22 00:42:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-02-22 00:42:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-02-22 00:42:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-02-22 00:42:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-02-22 00:42:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 00:42:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-02-22 00:42:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-02-22 00:42:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:42:40,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:42:40,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:42:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-22 00:42:40,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558580035] [2021-02-22 00:42:40,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 00:42:40,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-22 00:42:40,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867218647] [2021-02-22 00:42:40,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-22 00:42:40,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 00:42:40,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-22 00:42:40,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-02-22 00:42:40,705 INFO L87 Difference]: Start difference. First operand 827 states and 960 transitions. Second operand 13 states. [2021-02-22 00:42:43,417 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-22 00:42:45,265 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-22 00:42:47,113 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:42:48,854 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:42:50,573 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:42:53,974 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-22 00:43:02,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 00:43:02,706 INFO L93 Difference]: Finished difference Result 1733 states and 2101 transitions. [2021-02-22 00:43:02,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-22 00:43:02,706 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 407 [2021-02-22 00:43:02,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 00:43:02,722 INFO L225 Difference]: With dead ends: 1733 [2021-02-22 00:43:02,722 INFO L226 Difference]: Without dead ends: 1234 [2021-02-22 00:43:02,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=192, Invalid=510, Unknown=0, NotChecked=0, Total=702 [2021-02-22 00:43:02,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2021-02-22 00:43:03,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 827. [2021-02-22 00:43:03,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-02-22 00:43:03,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 958 transitions. [2021-02-22 00:43:03,508 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 958 transitions. Word has length 407 [2021-02-22 00:43:03,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 00:43:03,509 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 958 transitions. [2021-02-22 00:43:03,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-22 00:43:03,509 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 958 transitions. [2021-02-22 00:43:03,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-02-22 00:43:03,513 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:43:03,514 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] [2021-02-22 00:43:03,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-22 00:43:03,514 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:43:03,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:43:03,514 INFO L82 PathProgramCache]: Analyzing trace with hash -790316358, now seen corresponding path program 1 times [2021-02-22 00:43:03,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:43:03,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762889263] [2021-02-22 00:43:03,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:43:03,519 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 00:43:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:03,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:03,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:03,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:03,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:03,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:03,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,269 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-22 00:43:05,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:43:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-22 00:43:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-22 00:43:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 00:43:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-22 00:43:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 00:43:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:43:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-22 00:43:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:43:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-22 00:43:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:43:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-02-22 00:43:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 00:43:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-22 00:43:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-02-22 00:43:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-02-22 00:43:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-02-22 00:43:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-02-22 00:43:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 00:43:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-02-22 00:43:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-02-22 00:43:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:05,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:05,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:05,722 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-22 00:43:05,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762889263] [2021-02-22 00:43:05,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 00:43:05,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-22 00:43:05,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795421603] [2021-02-22 00:43:05,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-22 00:43:05,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 00:43:05,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-22 00:43:05,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-22 00:43:05,725 INFO L87 Difference]: Start difference. First operand 827 states and 958 transitions. Second operand 9 states. [2021-02-22 00:43:09,459 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:43:17,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 00:43:17,470 INFO L93 Difference]: Finished difference Result 2261 states and 2803 transitions. [2021-02-22 00:43:17,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-22 00:43:17,471 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 409 [2021-02-22 00:43:17,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 00:43:17,481 INFO L225 Difference]: With dead ends: 2261 [2021-02-22 00:43:17,481 INFO L226 Difference]: Without dead ends: 1712 [2021-02-22 00:43:17,484 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 [2021-02-22 00:43:17,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2021-02-22 00:43:18,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1067. [2021-02-22 00:43:18,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2021-02-22 00:43:18,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1273 transitions. [2021-02-22 00:43:18,889 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1273 transitions. Word has length 409 [2021-02-22 00:43:18,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 00:43:18,890 INFO L480 AbstractCegarLoop]: Abstraction has 1067 states and 1273 transitions. [2021-02-22 00:43:18,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-22 00:43:18,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1273 transitions. [2021-02-22 00:43:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-02-22 00:43:18,895 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:43:18,896 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] [2021-02-22 00:43:18,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-22 00:43:18,896 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:43:18,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:43:18,897 INFO L82 PathProgramCache]: Analyzing trace with hash 532157824, now seen corresponding path program 1 times [2021-02-22 00:43:18,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:43:18,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [368906756] [2021-02-22 00:43:18,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:43:18,902 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 00:43:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:19,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:19,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:19,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:19,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:43:19,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:19,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,663 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-22 00:43:20,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:43:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-22 00:43:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-22 00:43:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 00:43:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-22 00:43:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:20,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 00:43:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:43:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-22 00:43:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:43:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-22 00:43:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:43:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-22 00:43:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:20,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:43:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:20,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:20,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-02-22 00:43:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 00:43:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:20,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:20,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:20,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-22 00:43:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:21,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:21,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:21,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-02-22 00:43:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:21,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:21,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:21,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-02-22 00:43:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:21,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:21,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:21,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-02-22 00:43:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:21,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:21,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:21,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-02-22 00:43:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:21,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:21,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:21,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 00:43:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:21,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:21,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:21,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-02-22 00:43:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:21,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:21,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:21,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-02-22 00:43:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:21,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:21,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-22 00:43:21,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [368906756] [2021-02-22 00:43:21,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 00:43:21,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-22 00:43:21,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780660041] [2021-02-22 00:43:21,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-22 00:43:21,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 00:43:21,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-22 00:43:21,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-02-22 00:43:21,220 INFO L87 Difference]: Start difference. First operand 1067 states and 1273 transitions. Second operand 14 states. [2021-02-22 00:43:23,430 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:43:25,903 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-22 00:43:28,814 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:43:30,564 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-22 00:43:38,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 00:43:38,220 INFO L93 Difference]: Finished difference Result 2452 states and 3054 transitions. [2021-02-22 00:43:38,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-22 00:43:38,221 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 418 [2021-02-22 00:43:38,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 00:43:38,230 INFO L225 Difference]: With dead ends: 2452 [2021-02-22 00:43:38,230 INFO L226 Difference]: Without dead ends: 1709 [2021-02-22 00:43:38,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2021-02-22 00:43:38,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2021-02-22 00:43:39,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1066. [2021-02-22 00:43:39,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2021-02-22 00:43:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1271 transitions. [2021-02-22 00:43:39,398 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1271 transitions. Word has length 418 [2021-02-22 00:43:39,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 00:43:39,399 INFO L480 AbstractCegarLoop]: Abstraction has 1066 states and 1271 transitions. [2021-02-22 00:43:39,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-22 00:43:39,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1271 transitions. [2021-02-22 00:43:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-02-22 00:43:39,405 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:43:39,405 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] [2021-02-22 00:43:39,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-22 00:43:39,405 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:43:39,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:43:39,406 INFO L82 PathProgramCache]: Analyzing trace with hash -734072453, now seen corresponding path program 1 times [2021-02-22 00:43:39,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:43:39,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1319616437] [2021-02-22 00:43:39,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:43:39,410 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 00:43:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:39,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:39,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:39,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:39,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:43:39,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:39,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:43:39,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:39,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:43:39,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:39,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:43:39,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:39,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:43:39,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:39,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:43:39,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:39,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:43:39,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:39,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:43:39,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:39,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:43:39,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:39,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:43:39,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:39,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,504 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-22 00:43:41,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:43:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-22 00:43:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-22 00:43:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 00:43:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-22 00:43:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:41,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 00:43:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:43:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-22 00:43:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:43:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-22 00:43:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:43:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-22 00:43:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:43:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-22 00:43:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:41,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:41,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 00:43:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-22 00:43:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:41,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:41,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-22 00:43:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-22 00:43:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-22 00:43:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:41,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:41,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:41,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:41,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:42,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-02-22 00:43:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:42,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:42,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:42,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 00:43:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:42,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:42,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:42,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-02-22 00:43:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:42,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:42,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:42,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:42,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:43:42,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-02-22 00:43:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:43:42,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:43:42,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:43:42,386 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-22 00:43:42,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1319616437] [2021-02-22 00:43:42,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 00:43:42,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-22 00:43:42,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594045694] [2021-02-22 00:43:42,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-22 00:43:42,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 00:43:42,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-22 00:43:42,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2021-02-22 00:43:42,390 INFO L87 Difference]: Start difference. First operand 1066 states and 1271 transitions. Second operand 26 states. [2021-02-22 00:43:44,769 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:43:47,705 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:43:53,149 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-22 00:43:55,226 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-22 00:43:57,505 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-22 00:44:00,759 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-22 00:44:05,191 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-22 00:44:07,147 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 526 [2021-02-22 00:44:09,137 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-22 00:44:11,151 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-22 00:44:13,082 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-22 00:44:14,947 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-22 00:44:16,756 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-22 00:44:19,011 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-22 00:44:20,945 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 526 [2021-02-22 00:44:25,233 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-22 00:44:28,519 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-22 00:44:30,411 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 523 [2021-02-22 00:44:32,630 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:44:34,563 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-22 00:44:37,458 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:44:41,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 00:44:41,284 INFO L93 Difference]: Finished difference Result 2195 states and 2672 transitions. [2021-02-22 00:44:41,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-02-22 00:44:41,285 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 419 [2021-02-22 00:44:41,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 00:44:41,297 INFO L225 Difference]: With dead ends: 2195 [2021-02-22 00:44:41,297 INFO L226 Difference]: Without dead ends: 1946 [2021-02-22 00:44:41,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 43.8s TimeCoverageRelationStatistics Valid=1347, Invalid=6135, Unknown=0, NotChecked=0, Total=7482 [2021-02-22 00:44:41,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1946 states. [2021-02-22 00:44:42,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1946 to 1255. [2021-02-22 00:44:42,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-02-22 00:44:42,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1476 transitions. [2021-02-22 00:44:42,769 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1476 transitions. Word has length 419 [2021-02-22 00:44:42,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 00:44:42,770 INFO L480 AbstractCegarLoop]: Abstraction has 1255 states and 1476 transitions. [2021-02-22 00:44:42,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-22 00:44:42,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1476 transitions. [2021-02-22 00:44:42,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-02-22 00:44:42,775 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:44:42,776 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] [2021-02-22 00:44:42,776 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-22 00:44:42,776 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:44:42,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:44:42,777 INFO L82 PathProgramCache]: Analyzing trace with hash 2016191617, now seen corresponding path program 1 times [2021-02-22 00:44:42,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:44:42,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925583583] [2021-02-22 00:44:42,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:44:42,781 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 00:44:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:42,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:42,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:42,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:42,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:44:42,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:42,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:44:42,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:42,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:44:42,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:42,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:44:42,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:42,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:44:42,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:42,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:44:42,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:42,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:44:42,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:42,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,763 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-22 00:44:44,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:44:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-22 00:44:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-22 00:44:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 00:44:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-22 00:44:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 00:44:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:44:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-22 00:44:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:44:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-22 00:44:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:44:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-22 00:44:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:44:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-22 00:44:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:44,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:44,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 00:44:44,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:44,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 00:44:45,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:45,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 00:44:45,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 00:44:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:45,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:45,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:45,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-22 00:44:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:45,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:45,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:45,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-22 00:44:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:45,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:45,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:45,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-22 00:44:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:45,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:45,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:45,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-22 00:44:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:45,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:45,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:44:45,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:45,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:44:45,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-02-22 00:44:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:45,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:45,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:45,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 00:44:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:45,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:45,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:45,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-02-22 00:44:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:45,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:45,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:45,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-02-22 00:44:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:44:45,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:44:45,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:44:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-22 00:44:45,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925583583] [2021-02-22 00:44:45,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 00:44:45,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-02-22 00:44:45,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389897092] [2021-02-22 00:44:45,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-22 00:44:45,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 00:44:45,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-22 00:44:45,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-02-22 00:44:45,341 INFO L87 Difference]: Start difference. First operand 1255 states and 1476 transitions. Second operand 21 states. [2021-02-22 00:44:53,141 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-22 00:44:56,952 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-22 00:44:59,213 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 527 [2021-02-22 00:45:01,430 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:45:03,514 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:45:05,542 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:45:07,632 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:45:09,455 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:45:11,314 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:45:13,863 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:45:15,710 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:45:17,585 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:45:19,355 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 523 [2021-02-22 00:45:25,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 00:45:25,080 INFO L93 Difference]: Finished difference Result 2356 states and 2843 transitions. [2021-02-22 00:45:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-02-22 00:45:25,083 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 420 [2021-02-22 00:45:25,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 00:45:25,094 INFO L225 Difference]: With dead ends: 2356 [2021-02-22 00:45:25,094 INFO L226 Difference]: Without dead ends: 1938 [2021-02-22 00:45:25,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1061 ImplicationChecksByTransitivity, 27.9s TimeCoverageRelationStatistics Valid=813, Invalid=4157, Unknown=0, NotChecked=0, Total=4970 [2021-02-22 00:45:25,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2021-02-22 00:45:26,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1271. [2021-02-22 00:45:26,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2021-02-22 00:45:26,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1492 transitions. [2021-02-22 00:45:26,815 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1492 transitions. Word has length 420 [2021-02-22 00:45:26,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 00:45:26,816 INFO L480 AbstractCegarLoop]: Abstraction has 1271 states and 1492 transitions. [2021-02-22 00:45:26,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-02-22 00:45:26,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1492 transitions. [2021-02-22 00:45:26,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-02-22 00:45:26,820 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:45:26,821 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] [2021-02-22 00:45:26,821 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-22 00:45:26,821 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:45:26,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:45:26,822 INFO L82 PathProgramCache]: Analyzing trace with hash -516557178, now seen corresponding path program 1 times [2021-02-22 00:45:26,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:45:26,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448601911] [2021-02-22 00:45:26,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:45:26,827 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 00:45:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:26,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:26,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:26,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:26,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:45:26,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:26,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:45:26,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:26,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:26,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:26,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:45:26,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:26,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 00:45:26,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:26,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:28,814 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-22 00:45:28,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:45:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:28,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:28,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:28,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-22 00:45:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:28,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:28,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:28,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-22 00:45:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:28,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:28,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:28,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 00:45:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:28,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:28,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:28,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:28,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 00:45:28,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:28,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 00:45:28,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-22 00:45:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:28,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:28,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:28,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 00:45:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:28,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:28,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:28,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:45:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:28,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:28,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:28,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-22 00:45:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:28,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:28,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:28,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:45:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:28,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:28,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:28,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-22 00:45:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 00:45:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-22 00:45:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 00:45:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-22 00:45:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 00:45:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-22 00:45:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-22 00:45:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-22 00:45:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-22 00:45:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-02-22 00:45:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 00:45:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-02-22 00:45:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-02-22 00:45:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:45:29,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 00:45:29,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:45:29,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 00:45:29,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 00:45:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-22 00:45:29,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448601911] [2021-02-22 00:45:29,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 00:45:29,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-22 00:45:29,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081787857] [2021-02-22 00:45:29,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-22 00:45:29,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 00:45:29,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-22 00:45:29,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-02-22 00:45:29,340 INFO L87 Difference]: Start difference. First operand 1271 states and 1492 transitions. Second operand 17 states. [2021-02-22 00:45:31,776 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-22 00:45:33,546 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-22 00:45:35,323 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:45:37,140 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:45:38,948 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:45:49,218 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-22 00:45:51,113 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:45:53,090 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-22 00:45:55,010 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-22 00:45:56,885 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-22 00:45:59,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 00:45:59,310 INFO L93 Difference]: Finished difference Result 1936 states and 2377 transitions. [2021-02-22 00:45:59,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-22 00:45:59,310 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 420 [2021-02-22 00:45:59,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 00:45:59,312 INFO L225 Difference]: With dead ends: 1936 [2021-02-22 00:45:59,312 INFO L226 Difference]: Without dead ends: 0 [2021-02-22 00:45:59,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 20.7s TimeCoverageRelationStatistics Valid=346, Invalid=1060, Unknown=0, NotChecked=0, Total=1406 [2021-02-22 00:45:59,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-22 00:45:59,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-22 00:45:59,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-22 00:45:59,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-22 00:45:59,320 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 420 [2021-02-22 00:45:59,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 00:45:59,320 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-22 00:45:59,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-22 00:45:59,320 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-22 00:45:59,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-22 00:45:59,321 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-22 00:45:59,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-22 00:45:59,461 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2021-02-22 00:45:59,578 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:45:59,753 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-22 00:45:59,960 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:46:00,584 WARN L202 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 51 [2021-02-22 00:46:00,712 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-22 00:46:00,838 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-22 00:46:00,957 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2021-02-22 00:46:01,067 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:46:02,252 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 591 DAG size of output: 548 [2021-02-22 00:46:02,650 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 524 [2021-02-22 00:46:02,913 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-22 00:46:03,205 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-22 00:46:03,311 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2021-02-22 00:46:03,421 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:46:04,141 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:46:05,628 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-22 00:46:06,844 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2021-02-22 00:46:07,295 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-22 00:46:07,761 WARN L202 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-22 00:46:08,251 WARN L202 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-22 00:46:08,427 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-22 00:46:08,597 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-22 00:46:08,775 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-22 00:46:09,025 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-22 00:46:10,619 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 541 [2021-02-22 00:46:17,654 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:46:19,675 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:46:24,603 WARN L202 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:46:25,221 WARN L202 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:46:26,401 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-22 00:46:26,651 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-22 00:46:27,270 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-22 00:46:27,520 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-22 00:46:27,769 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-22 00:46:28,010 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-22 00:46:28,260 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-22 00:46:28,510 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-22 00:46:28,768 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-22 00:46:29,027 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-22 00:46:29,288 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-22 00:46:29,541 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-22 00:46:29,742 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-22 00:46:31,024 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-22 00:46:31,651 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-22 00:46:31,858 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-22 00:46:32,061 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-22 00:46:34,366 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 358 [2021-02-22 00:46:34,533 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-22 00:46:34,932 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 514 [2021-02-22 00:46:35,095 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-22 00:46:35,355 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 305 [2021-02-22 00:46:37,076 WARN L202 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 641 DAG size of output: 73 [2021-02-22 00:46:38,610 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 641 DAG size of output: 73 [2021-02-22 00:46:39,883 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-22 00:46:41,055 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-22 00:46:41,522 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-22 00:46:41,911 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-22 00:46:42,307 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-22 00:46:42,473 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-22 00:46:42,639 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-22 00:46:42,805 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-22 00:46:43,036 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-22 00:46:43,688 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 48 [2021-02-22 00:46:44,083 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 46 [2021-02-22 00:46:44,585 WARN L202 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 548 [2021-02-22 00:46:45,084 WARN L202 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-22 00:46:46,148 WARN L202 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-22 00:46:46,627 WARN L202 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-22 00:46:47,575 WARN L202 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-22 00:46:48,478 WARN L202 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-22 00:46:49,005 WARN L202 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-22 00:46:49,292 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2021-02-22 00:46:49,825 WARN L202 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-22 00:46:50,496 WARN L202 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 21 [2021-02-22 00:46:51,046 WARN L202 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-22 00:46:51,601 WARN L202 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-22 00:46:51,756 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2021-02-22 00:46:51,918 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2021-02-22 00:46:52,293 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2021-02-22 00:46:53,218 WARN L202 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-22 00:46:54,118 WARN L202 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-22 00:46:54,576 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-22 00:46:54,792 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2021-02-22 00:46:55,199 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 46 [2021-02-22 00:46:55,863 WARN L202 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:46:56,417 WARN L202 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:46:56,973 WARN L202 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:46:57,521 WARN L202 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:46:58,019 WARN L202 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:46:58,501 WARN L202 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:47:00,501 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:02,550 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:04,575 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:06,589 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:08,625 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:10,676 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:12,803 WARN L202 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:14,794 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:17,449 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-22 00:47:19,928 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-22 00:47:21,942 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:23,959 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:25,975 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:28,005 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:29,990 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:31,996 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:34,038 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:36,129 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:36,726 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-22 00:47:36,904 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-22 00:47:38,577 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-22 00:47:39,765 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-22 00:47:39,948 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-22 00:47:40,128 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-22 00:47:40,838 WARN L202 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:47:41,391 WARN L202 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:47:41,739 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-22 00:47:41,938 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-22 00:47:42,193 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-22 00:47:42,448 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-22 00:47:42,903 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 524 [2021-02-22 00:47:43,038 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-22 00:47:43,170 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-22 00:47:44,896 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-22 00:47:46,091 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-22 00:47:48,119 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:50,136 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:52,163 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:54,191 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:56,160 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:47:58,167 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:00,161 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:02,217 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:04,230 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:06,223 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:08,269 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:10,229 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:12,225 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:14,234 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:16,258 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:18,254 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:18,616 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 44 [2021-02-22 00:48:18,965 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 41 [2021-02-22 00:48:19,206 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 34 [2021-02-22 00:48:20,991 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 44 [2021-02-22 00:48:21,348 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 41 [2021-02-22 00:48:21,597 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 34 [2021-02-22 00:48:23,215 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 406 [2021-02-22 00:48:24,461 WARN L202 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 501 [2021-02-22 00:48:26,964 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 41 [2021-02-22 00:48:27,321 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 41 [2021-02-22 00:48:30,713 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-22 00:48:33,177 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-22 00:48:34,346 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-22 00:48:35,355 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-22 00:48:36,589 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-22 00:48:37,780 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-22 00:48:37,998 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 43 [2021-02-22 00:48:38,274 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 37 [2021-02-22 00:48:39,179 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 510 [2021-02-22 00:48:40,730 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 544 [2021-02-22 00:48:42,564 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-22 00:48:42,803 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-22 00:48:43,063 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-22 00:48:45,100 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:47,143 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:49,182 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:51,237 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:53,374 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-22 00:48:54,574 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-22 00:48:56,713 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:48:58,706 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:00,852 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:02,883 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:04,203 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-22 00:49:05,390 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-22 00:49:07,422 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:09,393 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:11,668 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 688 DAG size of output: 60 [2021-02-22 00:49:13,927 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 688 DAG size of output: 60 [2021-02-22 00:49:15,986 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:18,028 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:20,104 WARN L202 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:22,206 WARN L202 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:23,243 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-22 00:49:24,252 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-22 00:49:26,474 WARN L202 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:28,484 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:30,505 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:32,552 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:33,035 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-22 00:49:34,117 WARN L202 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-22 00:49:34,599 WARN L202 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-22 00:49:35,544 WARN L202 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-22 00:49:36,490 WARN L202 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-22 00:49:37,049 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-22 00:49:37,348 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2021-02-22 00:49:37,889 WARN L202 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-22 00:49:38,529 WARN L202 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 21 [2021-02-22 00:49:39,075 WARN L202 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-22 00:49:39,635 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-22 00:49:39,795 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2021-02-22 00:49:39,954 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2021-02-22 00:49:40,330 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2021-02-22 00:49:41,247 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-22 00:49:42,163 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-22 00:49:42,644 WARN L202 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-22 00:49:42,869 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2021-02-22 00:49:44,056 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-22 00:49:45,237 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-22 00:49:47,308 WARN L202 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:49,332 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:51,348 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:53,362 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:55,560 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:57,654 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:49:59,666 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:01,743 WARN L202 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:03,766 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:05,901 WARN L202 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:07,924 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:09,972 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:12,105 WARN L202 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:14,195 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:16,328 WARN L202 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:18,437 WARN L202 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:20,487 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:22,564 WARN L202 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:24,570 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:26,667 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:28,655 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:30,687 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:32,702 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:34,731 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:36,755 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:38,770 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:40,792 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:42,813 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:44,859 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:46,870 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:48,097 WARN L202 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 501 [2021-02-22 00:50:50,874 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:52,930 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:50:55,244 WARN L202 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:50:55,745 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:50:56,296 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 523 [2021-02-22 00:50:57,821 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 358 [2021-02-22 00:50:57,990 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-22 00:50:58,393 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 514 [2021-02-22 00:50:58,563 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-22 00:50:58,823 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 305 [2021-02-22 00:50:59,524 WARN L202 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:51:00,063 WARN L202 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:51:00,268 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-22 00:51:00,469 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-22 00:51:00,678 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-22 00:51:01,266 WARN L202 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:51:01,769 WARN L202 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:51:02,492 WARN L202 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:51:03,045 WARN L202 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:51:04,630 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:04,875 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:05,120 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:05,369 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:05,614 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:05,859 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:06,105 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:06,350 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:06,590 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:07,234 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-22 00:51:07,414 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-22 00:51:07,921 WARN L202 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:51:08,429 WARN L202 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:51:09,208 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:09,447 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:09,691 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:09,931 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:10,175 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:10,419 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:10,661 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:10,901 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:11,140 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-22 00:51:13,444 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:15,444 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:18,027 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:20,033 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:22,110 WARN L202 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:24,160 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:26,175 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:28,217 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:30,232 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:32,238 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:34,385 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:36,411 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:38,463 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:40,498 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:42,532 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:44,589 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:47,179 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:49,200 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-22 00:51:50,411 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-22 00:51:51,412 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-22 00:51:52,581 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-22 00:51:53,779 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-22 00:51:55,295 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-22 00:51:56,322 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-22 00:51:57,605 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-22 00:51:58,807 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-22 00:51:59,920 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-22 00:52:00,925 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-22 00:52:01,172 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-22 00:52:01,369 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-22 00:52:01,623 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-22 00:52:01,872 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-22 00:52:03,062 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-22 00:52:04,253 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-22 00:52:05,251 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:52:05,739 WARN L202 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:52:06,302 WARN L202 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:52:06,853 WARN L202 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:52:07,503 WARN L202 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:52:08,006 WARN L202 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:52:08,268 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 525 [2021-02-22 00:52:08,552 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 523 [2021-02-22 00:52:09,215 WARN L202 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:52:09,714 WARN L202 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-22 00:52:11,119 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:52:12,505 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 363 DAG size of output: 26 [2021-02-22 00:52:13,925 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:52:17,973 WARN L202 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 369 DAG size of output: 30 [2021-02-22 00:52:19,475 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 381 DAG size of output: 28 [2021-02-22 00:52:24,417 WARN L202 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 365 DAG size of output: 20 [2021-02-22 00:52:28,482 WARN L202 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-22 00:52:29,895 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:52:32,318 WARN L202 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 369 DAG size of output: 20 [2021-02-22 00:52:36,357 WARN L202 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-22 00:52:37,772 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:52:39,181 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:52:41,924 WARN L202 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 360 DAG size of output: 12 [2021-02-22 00:52:43,333 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:52:44,635 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 355 DAG size of output: 18 [2021-02-22 00:52:48,689 WARN L202 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-22 00:52:51,454 WARN L202 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 359 DAG size of output: 9 [2021-02-22 00:52:54,161 WARN L202 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 359 DAG size of output: 9 [2021-02-22 00:52:55,487 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-22 00:52:56,810 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-22 00:52:58,135 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-22 00:53:00,889 WARN L202 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 362 DAG size of output: 13 [2021-02-22 00:53:02,226 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-22 00:53:03,627 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 370 DAG size of output: 45 [2021-02-22 00:53:06,340 WARN L202 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-22 00:53:07,796 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 375 DAG size of output: 22 [2021-02-22 00:53:09,235 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:53:10,652 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:53:12,063 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:53:13,475 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:53:14,799 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 358 DAG size of output: 21 [2021-02-22 00:53:18,838 WARN L202 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-22 00:53:22,883 WARN L202 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-22 00:53:26,912 WARN L202 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-22 00:53:29,592 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 357 DAG size of output: 12 [2021-02-22 00:53:31,005 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:53:32,342 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-22 00:53:36,383 WARN L202 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-22 00:53:37,844 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:53:40,623 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 359 DAG size of output: 11 [2021-02-22 00:53:43,312 WARN L202 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 358 DAG size of output: 8 [2021-02-22 00:53:44,682 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 357 DAG size of output: 13 [2021-02-22 00:53:46,023 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-22 00:53:47,366 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 367 DAG size of output: 55 [2021-02-22 00:53:50,099 WARN L202 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-22 00:53:52,803 WARN L202 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-22 00:53:55,503 WARN L202 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-22 00:53:56,943 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:53:59,678 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 360 DAG size of output: 12 [2021-02-22 00:54:01,051 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-22 00:54:02,391 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-22 00:54:03,790 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 370 DAG size of output: 45 [2021-02-22 00:54:05,264 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:54:06,674 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:54:08,051 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 366 DAG size of output: 34 [2021-02-22 00:54:10,736 WARN L202 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 358 DAG size of output: 12 [2021-02-22 00:54:14,774 WARN L202 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-22 00:54:16,179 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:54:17,603 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-22 00:54:21,299 WARN L202 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 372 DAG size of output: 34